HomeMy WebLinkAboutWPO202100060 Plan - VSMP 2023-01-20VIRGINIA STORMWATER MANAGEMENT PLAN
REFERENCES
AND CONTACTS
*BOUNDARY & TOPOGRAPHIC SURVEY:
BOHLER
12825 WORLDGATE DRIVE, SUITE 700
HERNDON, VA 20170
DATED: 04/20/2021
SURVEY JOB SV211201
ELEVATIONS: BASED ON GPS OBSERVATIONS
*ARCHITECTURAL PLAN:
ARCHITECTURAL RESOURCE TEAM
1055 E. INDIAN SCHOOL ROAD
PHOENIX, AZ 85014
CAD FILE NAMED:"VAC 12457- CHARLOTTESVILLE, VA -
CONCEPTUAL FLOOR PLAN-6B-RH-60.DWG"
DATED: 10/18/2021
GOVERNING AGENCIES
*ALBEMARLE COUNTY SITE REVIEW COMMITTEE
ALBEMARLE COUNTY, VA
401 MCINTIRE ROAD
CHARLOTTESVILLE, VA 22902
PHONE: (434) 243-7929
UTILITIES
*ALBEMARLE COUNTY SERVICE AUTHORITY
168 SPOTNAP ROAD
CHARLOTTESVILLE, VA 22911
PHONE: (434) 977-4511
' THE ABOVE REFERENCED DOCUMENTS ARE INCORPORATED BY
REFERENCE AS PART OF THESE PLANS, HOWEVER, BOHLER
ENGINEERING DOES NOT CERTIFY THE ACCURACY OF THE WORK
REFERENCED OR DERIVED FROM THESE DOCUMENTS, BY OTHERS.
GENERAL NOTE'.
IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO REVIEW ALL OF THE DRAWINGS AND SPECIFICATIONS ASSOCIATED WITH THIS PROJECT
WORK SCOPE PRIOR TO THE INITIATION OF CONSTRUCTION. SHOULD THE CONTRACTOR FIND A CONFLICT WITH THE DOCUMENTS RELATIVE TI
THE SPECIFICATIONS OR APPLICABLE CODES, IT IS THE CONTRACTORS RESPONSIBILITY TO NOTIFY THE PROJECT ENGINEER OF RECORD IN
WRITING PRIOR TO THE START OF CONSTRUCTION. FAILURE BY THE CONTRACTOR TO NOTIFY THE PROJECT ENGINEER SHALL CONSTITUTE
ACCEPTANCE OF FULL RESPONSIBILITY BY THE CONTRACTOR TO COMPLETE THE SCOPE OF THE WORK AS DEFINED BY THE DRAWINGS AND II
FNLL CONFORMANCE WITH LOCAL REGIILATIONS AND CODES.
FOR
LOCATION OF SITE
1636 SEMINOLE TRAIL ALBEMARLE COUNTY
N
CHARLOTTESVILLE, VIRGINIA
RIO MAGISTERIAL DISTRICT
D.B. 1980 PG. 239
PIN: 06100-00-00-120J O
WP0202100060
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OWNER
MIMOSA L.L.C.
OWNER ADDRESS:C/O DUFFY
BIRCKHEAD P.O. BOX 7652
CHARLOTTESVILLE VA, 22906
OWNER CONTACT: FRANK BIRKHEAD
LOCATION MAP
SCALE: 1" = 2,000
Copyright: Microsoft Corporation
DEVELOPER
HALLE PROPERTIES, LLC C/O
DISCOUNT TIRE 20225 N.
SCOTTSDALE ROAD SCOTTSDALE,
AZ 85255
CONTACT: MATTHEW JOHNSON
DEVELOPER PHONE: (840)-606-5758
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CONTACT: RYAN T YAUGER, P.E.
SHEETINDEX
SHEET TITLE
IGENERALNOTES
SHEET NUMBER
COVER SHEET
C-101
C-102
GENERAL NOTES AND LEGEND
C-103
EXISTING CONDITIONS AND DEMOLITION PLAN
C-201
EROSION AND SEDIMENT CONTROL PLAN PHASE 1
C-601
EROSION AND SEDIMENT CONTROL PLAN PHASE 11
C-602
EROSION AND SEDIMENT CONTROL NOTES
C-603
EROSION AND SEDIMENT CONTROL DETAILS
C-604
STORMWATER COMPLIANCE PLAN
C-901 - 906
SWM SYSTEM DETAILS
C-907
VSMP NOTES
C-908
SHEET TOTAL = 16
APPROVED
by the Albemarle County
Community Development Department
Date 1-20-2023
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REVISIONS
REV
DATE
COMMENT
DRAWN BY
cxECKED er
1
01/21/2022
PER COUNTY
COMMENTS
BSC
RTY
2
04/08/2022
PER COUNTY
COMMENTS
BSC
RTY
3
08/09/2022
PER COUNTY
COMMENTS
CDH
RTY
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Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DR WNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: CNDS -1
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
®ojluuNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER/
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
TH
RVAN YAU>-iER
Lie. No. 0402056625
SHEET TITLE:
08/09/2022
COVER
SHEET
SHEET NUMBER:
C-101
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REVISION 3 - 08/09/2022
GENERAL NOTES
(Rev. 22021) DEMOLITION NOTES
(Rev.212021) SITE LAYOUT NOTES
(Rev.112020) LIGHTING NOTES
(Rev. 12020)
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1. THESE PLANS ARE SOLELY BASED ON INFORMATION THE OWNER AND OTHERS PROVIDED TO BOHLER ENGINEERING, VIRGINIA
(HEREIN "BOHLER") PRIOR TO THE DATE ON WHICH THE ENGINEER OF RECORD AND BOHLER PREPARED THESE PLANS. THE CONTRACTOR MUST
FIELD VERIFY ALL EXISTING CONDITIONS AND IMMEDIATELY NOTIFY BOHLER , IN WRITING, IF ANY ACTUAL SITE CONDITIONS DIFFER FROM THOSE
SHOWN ON THESE PLANS, OR IF THE PROPOSED WORK CONFLICTS WITH ANY OTHER SITE FEATURES.
2. THE CONTRACTOR MUST STRICTLY COMPLY WITH THESE NOTES AND ALL SPECIFICATIONSIREPORTS CONTAINED HEREIN. THE CONTRACTOR MUST
ENSURE THAT ALL SUBCONTRACTORS FULLY AND COMPLETELY CONFORM TO AND COMPLY WITH THESE REQUIREMENTS THESE NOTES AND THE
REQUIREMENTS ARTICULATED IN THE NOTES CONTAINED IN ALL THE OTHER DRAWINGS THAT COMPRISE THE PLAN SET OF DRAWINGS. ADDITIONAL
N TE AND PE IFI PLAN N TE MAY BE F ND N THE INDIVID AL PLAN . THE E ENERAL N TE APPLY T THI ENTIRE D MENT PA KA E.
O S S C C O S OU O U S S G O S O S OCU C G
IT IS THE CONTRACTOR'S RESPONSIBILITY TO REVIEW ALL CONSTRUCTION CONTRACT DOCUMENTS INCLUDING, BUT NOT LIMITED TO, ALL OF THE
DRAWINGS AND SPECIFICATIONS ASSOCIATED WITH THE PROJECT WORK SCOPE, PRIOR TO THE INITIATION AND COMMENCEMENT OF
CONSTRUCTION.
3. PRIOR TO THE COMMENCEMENT OF CONSTRUCTION, THE CONTRACTOR MUST CONFIRM WITH THE ENGINEER OF RECORD AND BOHLER THAT THE
LATEST EDITION OF THE DOCUMENTS AND/OR REPORTS REFERENCED WITHIN THE PLAN REFERENCES ARE BEING USED FOR CONSTRUCTION. THIS
IS THE CONTRACTOR'S SOLE AND COMPLETE RESPONSIBILITY.
4. PRIOR TO THE COMMENCEMENT OF CONSTRUCTION, THE CONTRACTOR MUST ENSURE THAT ALL REQUIRED PERMITS AND APPROVALS HAVE BEEN
OBTAINED. NO CONSTRUCTION OR FABRICATION IS TO BEGIN UNTIL THE CONTRACTOR HAS RECEIVED AND THOROUGHLY REVIEWED THE
CONDITIONS OF APPROVAL TO ALL PLANS AND OTHER DOCUMENTS REVIEWED AND APPROVED BY THE PERMITTING AUTHORITIES AND HAS ALSO
CONFIRMED THAT ALL NECESSARY AND REQUIRED PERMITS HAVE BEEN OBTAINED. THE CONTRACTOR MUST HAVE COPIES OF ALL PERMITS AND
APPROVALS ON SITE AT ALL TIMES.
5. THE CONTRACTOR MUST ENSURE THAT ALL WORK IS PERFORMED IN ACCORDANCE WITH THESE PLANS, SPECIFICATIONSIREPORTS AND
CONDITIONS OF APPROVAL AND ALL APPLICABLE REQUIREMENTS RULES REGULATIONS STATUTORY REQUIREMENTS CODES LAWS AND
STANDARDS OF ALL GOVERNMENTAL ENTITIES WITH JURISDICTION OVER THIS PROJECT AND ALL PROVISIONS IN AND CONDITIONS OF THE
CONSTRUCTION CONTRACT WITH THE OWNER/DEVELOPER INCLUDING ALL EXHIBITS ATTACHMENTS AND ADDENDA TO SAME.
6. PRIOR TO THE COMMENCEMENT OF CONSTRUCTION THE CONTRACTOR MUST COORDINATE THE BUILDING LAYOUT BY CAREFULLY REVIEWING THE
MOST CURRENT ARCHITECTURAL CIVIL AND STRUCTURAL CONSTRUCTION DOCUMENTS INCLUDING BUT NOT LIMITED TO MECHANICAL
ELECTRICAL, PLUMBING AND FIRE SUPPRESSION PLANS, WHERE APPLICABLE). THE CONTRACTOR MUST IMMEDIATELY NOTIFY OWNER, ARCHITECT
AND ENGINEER OF RECORD AND BOHLER, IN WRITING, OF ANY CONFLICTS, DISCREPANCIES OR AMBIGUITIES WHICH EXIST BETWEEN THESE PLANS
AND ANY OTHER PLANS THAT COMPRISE THE CONSTRUCTION DOCUMENTS.
7. CONTRACTOR MUST REFER TO AND ENSURE COMPLIANCE WITH THE APPROVED ARCHITECTURALBUILDING PLANS OF RECORD FOR EXACT
LOCATIONS AND DIMENSIONS OF ENTRYIEXIT POINTS, ELEVATIONS, PRECISE BUILDING DIMENSIONS, AND EXACT BUILDING UTILITY LOCATIONS.
8. THE CONTRACTOR MUST FIELD VERIFY ALL DIMENSIONS AND MEASUREMENTS SHOWN ON THESE PLANS, PRIOR TO THE COMMENCEMENT OF
CONSTRUCTION. THE CONTRACTOR MUST IMMEDIATELY NOTIFY ENGINEER OF RECORD AND BOHLER, IN WRITING, IF ANY CONFLICTS,
DISCREPANCIES OR AMBIGUITIES EXIST PRIOR TO PROCEEDING WITH CONSTRUCTION. NO EXTRA COMPENSATION WILL BE PAID TO THE
CONTRACTOR FOR WORK WHICH HAS TO BE RE -DONE OR REPAIRED DUE TO DIMENSIONS MEASUREMENTS OR GRADES SHOWN INCORRECTLY ON
THESE PLANS PRIOR TO BOTH A THE CONTRACTOR GIVING ENGINEER OF RECORD AND BOHLER WRITTEN NOTIFICATION OF SAME AND 8
() ()
ENGINEER OF RECORD AND BOHLER, THEREAFTER, PROVIDING THE CONTRACTOR WITH WRITTEN AUTHORIZATION TO PROCEED WITH SUCH
ADDITIONAL WORK.
9. THE CONTRACTOR MUST VERIFY ALL DIMENSIONS AND MEASUREMENTS INCLUDED ON DESIGN DOCUMENTS HEREIN AND MUST NOT SCALE OFF THE
DRAWINGS DUE TO POTENTIAL PRINTING INACCURACIES. ALL DIMENSIONS AND MEASUREMENTS ARE TO BE CHECKED AND CONFIRMED BY THE
GENERAL CONTRACTOR PRIOR TO PREPARATION OF SHOP DRAWINGS, FABRICATION/ORDERING OF PARTS AND MATERIALS AND COMMENCEMENT
OF SITE WORK. SITE PLAN DRAWINGS ARE NOT INTENDED AS SURVEY DOCUMENTS. DIMENSIONS SUPERSEDE GRAPHICAL REPRESENTATIONS. THE
CONTRACTOR MUST MAKE CONTRACTOR'S OWN MEASUREMENTS FOR LAYOUT OF IMPROVEMENTS.
10. THE OWNER AND CONTRACTOR MUST BE FAMILIAR WITH AND RESPONSIBLE FOR THE PROCUREMENT OF ANY AND ALL CERTIFICATIONS REQUIRED
FOR THE ISSUANCE OF A CERTIFICATE OF OCCUPANCY.
11. WHEN INCLUDED AS ONE OF THE REFERENCED DOCUMENTS, THE GEOTECHNICAL REPORT, SPECIFICATIONS AND RECOMMENDATIONS SET FORTH
THEREIN ARE A PART OF THE REQUIRED CONSTRUCTION DOCUMENTS AND IN CASE OF CONFLICT DISCREPANCY OR AMBIGUITY THE MORE
STRINGENT REQUIREMENTS AND/OR RECOMMENDATIONS CONTAINED IN: (A) THE PLANS; AND (B) THE GEOTECHNICAL REPORT AND
RECOMMENDATIONS, MUST TAKE PRECEDENCE UNLESS SPECIFICALLY NOTED OTHERWISE ON THE PLANS. THE CONTRACTOR MUST NOTIFY THE
ENGINEER OF RECORD AND BOHLER, IN WRITING, OF ANY SUCH CONFLICT, DISCREPANCY OR AMBIGUITY BETWEEN THE GEOTECHNICAL REPORT
AND PLANS AND SPECIFICATIONS, PRIOR TO PROCEEDING WITH ANY FURTHER WORK. IF A GEOTECHNICAL REPORT WAS NOT CREATED, THEN THE
CONTRACTOR MUST FOLLOW AND COMPLY WITH ALL OF THE REQUIREMENTS OF ANY AND ALL MUNICIPAL, COUNTY, STATE, AND FEDERAL LAWS AND
APPLICABLE SPECIFICATIONS WHICH HAVE JURISDICTION OVER THIS PROJECT.
12. ENGINEER OF RECORD AND BOHLER ARE NEITHER LIABLE NOR RESPONSIBLE FOR ANY SUBSURFACE CONDITIONS AND FURTHER, HAS NO LIABILITY
FOR ANY HAZARDOUS MATERIALS, HAZARDOUS SUBSTANCES, OR POLLUTANTS ON, ABOUT OR UNDER THE PROPERTY.
13. THE CONTRACTOR IS RESPONSIBLE FOR IDENTIFYING WHEN AND WHERE SHORING IS REQUIRED AND FOR INSTALLING ALL SHORING REQUIRED
DURING EXCAVATION (TO BE PERFORMED IN ACCORDANCE WITH CURRENT OSHA STANDARDS) AND ANY ADDITIONAL PRECAUTIONS TO BE TAKEN TO
ASSURE THE STABILITY OF ADJACENT, NEARBY AND CONTIGUOUS STRUCTURES AND PROPERTIES. ALL OF THIS WORK IS TO BE PERFORMED AT
CONTRACTOR'S SOLE COST AND EXPENSE.
14. THE CONTRACTOR MUST EXERCISE EXTREME CAUTION WHEN PERFORMING ANY WORK ACTIVITIES ADJACENT TO PAVEMENT, STRUCTURES, ETC.
WHICH ARE TO REMAIN EITHER FOR AN INITIAL PHASE OF THE PROJECT OR AS PART OF THE FINAL CONDITION. THE CONTRACTOR IS RESPONSIBLE
FOR TAKING ALL APPROPRIATE MEASURES REQUIRED TO ENSURE THE STRUCTURAL STABILITY OF SIDEWALKS AND PAVEMENT, UTILITIES,
BUILDINGS, AND INFRASTRUCTURE WHICH ARE TO REMAIN, AND TO PROVIDE A SAFE WORK AREA FOR THIRD PARTIES, PEDESTRIANS AND ANYONE
INVOLVED WITH THE PROJECT.
15. DEBRIS MUST NOT BE BURIED ON THE SUBJECT SITE. ALL DEMOLITION AND CONSTRUCTION WASTES, UNSUITABLE EXCAVATED MATERIAL, EXCESS
SOIL AND DEBRIS (SOLID WASTE) MUST BE DISPOSED OF IN ACCORDANCE WITH THE REQUIREMENTS OF ANY AND ALL MUNICIPAL, COUNTY, STATE,
AND FEDERAL LAWS AND APPLICABLE CODES WHICH HAVE JURISDICTION OVER THIS PROJECT OR OVER THE CONTRACTOR.
16. IT IS THE CONTRACTOR'S SOLE RESPONSIBILITY TO MAINTAIN RECORDS TO DEMONSTRATE PROPER AND FULLY COMPLIANT DISPOSAL ACTIVITIES,
TO BE PROMPTLY PROVIDED TO THE OWNER UPON REQUEST.
17. THE CONTRACTOR MUST REPAIR, AT CONTRACTOR'S SOLE COST, ALL DAMAGE DONE TO ANY NEW OR EXISTING CONSTRUCTION OR PROPERTY
DURING THE COURSE OF CONSTRUCTION, INCLUDING BUT NOT LIMITED TO DRAINAGE, UTILITIES, PAVEMENT, STRIPING, CURB, ETC. AND MUST BEAR
ALL COSTS ASSOCIATED WITH SAME TO INCLUDE, BUT NOT BE LIMITED TO, REDESIGN, RE -SURVEY, RE -PERMITTING AND CONSTRUCTION. THE
CONTRACTOR IS RESPONSIBLE FOR AND MUST REPLACE ALL SIGNAL INTERCONNECTION CABLE, WIRING CONDUITS, AND ANY UNDERGROUND
ACCESSORY EQUIPMENT DAMAGED DURING CONSTRUCTION AND MUST BEAR ALL COSTS ASSOCIATED WITH SAME. THE REPAIR OF ANY SUCH NEW
OR EXISTING CONSTRUCTION OR PROPERTY MUST RESTORE SUCH CONSTRUCTION OR PROPERTY TO A CONDITION EQUIVALENT TO OR BETTER
THAN THE CONDITIONS PRIOR TO COMMENCEMENT OF THE CONSTRUCTION, AND IN CONFORMANCE WITH APPLICABLE CODES, LAWS, RULES,
REGULATIONS, STATUTORY REQUIREMENTS AND STATUTES. THE CONTRACTOR MUST BEAR ALL COSTS ASSOCIATED WITH SAME. THE CONTRACTOR
MUST, PROMPTLY, DOCUMENT ALL EXISTING DAMAGE AND NOTIFY, IN WRITING, THE OWNER AND THE CONSTRUCTION MANAGER PRIOR TO THE
START OF CONSTRUCTION.
18. THE ENGINEER OF RECORD AND BOHLER ARE NOT RESPONSIBLE FOR AND HAVE NO CONTRACTUAL, LEGAL OR OTHER RESPONSIBILITIES FOR JOB
SITE SAFETY JOB SITE SUPERVISION, OR ANYTHING RELATED TO SAME. THE ENGINEER OF RECORD AND BOHLER HAVE NOT BEEN RETAINED TO
PERFORM OR TO BE RESPONSIBLE FOR JOB SITE SAFETY, SAME BEING WHOLLY OUTSIDE OF ENGINEER OF RECORD's AND BOHLER SERVICES AS
RELATED TO THE PROJECT. THE ENGINEER OF RECORD AND BOHLER ARE NOT RESPONSIBLE TO IDENTIFY OR REPORT ANY JOB SITE SAFETY ISSUES
OR ANY JOB SITE CONDITIONS, AT ANY TIME.
19. THE CONTRACTOR MUST IMMEDIATELY IDENTIFY IN WRITING, TO THE ENGINEER OF RECORD AND BOHLER , ANY DISCREPANCIES THAT MAY OR
COULD AFFECT THE PUBLIC SAFETY, HEALTH OR GENERAL WELFARE, OR PROJECT COST. IF THE CONTRACTOR PROCEEDS WITH CONSTRUCTION
WITHOUT PROVIDING PROPER WRITTEN NOTIFICATION AS DESCRIBED ABOVE, IT WILL BE AT THE CONTRACTOR'S OWN RISK AND, FURTHER, THE
NTRA T R M T INDEMNIFY DEFEND AND H LD HARMLE THE EN INEER F RE RD AND EI HLER F R ANY AND ALL DAMA E T
CO C O US O SS G O CO O O G S COS S
INJURIES, ATTORNEY'S FEES AND THE LIKE WHICH RESULT FROM OR ARE IN ANY WAY RELATED TO SAME INCLUDING, BUT NOT LIMITED TO, ANY
THIRD PARTY AND FIRST PARTY CLAIMS.
20. THE ENGINEER OF RECORD AND BOHLER ARE NOT RESPONSIBLE FOR ANY INJURY OR DAMAGES RESULTING FROM THE CONTRACTOR'S FAILURE TO
BUILD OR CONSTRUCT IN STRICT ACCORDANCE WITH THE APPROVED PLANS, AND CURRENT CODES, RULES, STATUTES AND THE LIKE. IF THE
CONTRACTOR AND/OR OWNER FAIL TO BUILD OR CONSTRUCT IN STRICT ACCORDANCE WITH APPROVED PLANS, RULES, STATUTES, CODES AND THE
LIKE, THE CONTRACTOR AND/OR OWNER AGREE TO AND MUST JOINTLY, INDEPENDENTLY, SEPARATELY, AND SEVERALLY INDEMNIFY AND HOLD THE
ENGINEER OF RECORD AND BOHLER HARMLESS FOR AND FROM ALL INJURIES, CLAIMS AND DAMAGES THAT ENGINEER AND BOHLER SUFFER AND
ANY AND ALL COSTS THAT ENGINEER AND BOHLER INCUR AS RELATED TO SAME.
21. ALL CONTRACTORS MUST CARRY AT LEAST THE MINIMUM AMOUNT OF THE SPECIFIED AND COMMERCIALLY REASONABLE STATUTORY WORKER'S
COMPENSATION INSURANCE, EMPLOYER'S LIABILITY INSURANCE AND COMMERCIAL GENERAL LIABILITY INSURANCE (CGL) INCLUDING ALSO ALL
UMBRELLA COVERAGES. ALL CONTRACTORS MUST HAVE THEIR CGL POLICIES ENDORSED TO NAME BOHLER , AND ITS PAST, PRESENT AND FUTURE
OWNERS, OFFICERS, DIRECTORS, PARTNERS, SHAREHOLDERS, MEMBERS, PRINCIPALS, COMMISSIONERS, AGENTS, SERVANTS, EMPLOYEES,
AFFILIATES, SUBSIDIARIES, AND RELATED ENTITIES, AND ITS SUBCONTRACTORS AND SUBCONSULTANTS AS ADDITIONAL NAMED INSUREDS AND TO
PROVIDE CONTRACTUAL LIABILITY COVERAGE SUFFICIENT TO INSURE (DEFEND, IF APPLICABLE) AND HOLD HARMLESS AND INDEMNITY OBLIGATIONS
ASSUMED AND AGREED TO BY THE CONTRACTOR HEREIN. ALL CONTRACTORS MUST FURNISH BOHLER WITH CERTIFICATIONS OF INSURANCE OR
CERTIFICATES OF INSURANCE AS EVIDENCE OF THE REQUIRED INSURANCE COVERAGES PRIOR TO COMMENCING ANY WORK AND UPON RENEWAL
OF EACH POLICY DURING THE ENTIRE PERIOD OF CONSTRUCTION AND FOR TWO YEARS AFTER THE COMPLETION OF CONSTRUCTION AND AFTER
ALL PERMITS ARE ISSUED, WHICHEVER DATE IS LATER. IN ADDITION, ALL CONTRACTORS AGREE THAT THEY WILL, TO THE FULLEST EXTENT
PERMITTED UNDER THE LAW, INDEMNIFY, DEFEND AND HOLD HARMLESS BOHLER AND ITS PAST, PRESENT AND FUTURE OWNERS, OFFICERS,
DIRECTORS, PARTNERS, SHAREHOLDERS, MEMBERS, PRINCIPALS, COMMISSIONERS, AGENTS, SERVANTS, EMPLOYEES, AFFILIATES, SUBSIDIARIES,
AND RELATED ENTITIES, AND ITS SUBCONTRACTORS AND SUBCONSULTANTS FROM AND AGAINST ANY DAMAGES, INJURIES, CLAIMS, ACTIONS,
PENALTIES, EXPENSES, PUNITIVE DAMAGES, TORT DAMAGES, STATUTORY CLAIMS, STATUTORY CAUSES OF ACTION, LOSSES, CAUSES OF ACTION,
LIABILITIES OR COSTS, INCLUDING, BUT NOT LIMITED TO, REASONABLE ATTORNEYS' FEES AND DEFENSE COSTS, ARISING OUT OF OR IN ANY WAY
CONNECTED WITH OR TO THE PROJECT, INCLUDING ALL CLAIMS BY EMPLOYEES OF THE CONTRACTOR(S), ALL CLAIMS BY THIRD PARTIES AND ALL
CLAIMS RELATED TO THE PROJECT. THE CONTRACTOR MUST NOTIFY ENGINEER, IN WRITING, AT LEAST THIRTY (30) DAYS PRIOR TO ANY
TERMINATION, SUSPENSION OR CHANGE OF ITS INSURANCE HEREUNDER.
22. THE ENGINEER OF RECORD AND BOHLER ARE NOT RESPONSIBLE FOR CONSTRUCTION METHODS, MEANS, TECHNIQUES OR PROCEDURES,
GENERALLY OR FOR THE CONSTRUCTION MEANS, METHODS, TECHNIQUES OR PROCEDURES FOR COMPLETION OF THE WORK DEPICTED BOTH ON
THESE PLANS, AND FOR ANY CONFLICTS IN SCOPE AND REVISIONS THAT RESULT FROM SAME. THE CONTRACTOR IS FULLY AND SOLELY
RESPONSIBLE FOR DETERMINING THE MEANS AND METHODS FOR COMPLETION OF THE WORK, PRIOR TO THE COMMENCEMENT OF CONSTRUCTION.
23. NEITHER THE PROFESSIONAL ACTIVITIES OF BOHLER, NOR THE PRESENCE OF BOHLER AND/OR ITS PAST, PRESENT AND FUTURE OWNERS,
OFFICERS, DIRECTORS, PARTNERS, SHAREHOLDERS, MEMBERS, PRINCIPALS, COMMISSIONERS, AGENTS, SERVANTS, EMPLOYEES, AFFILIATES,
SUBSIDIARIES, AND RELATED ENTITIES, AND ITS SUBCONTRACTORS AND SUBCONSULTANTS AT A CONSTRUCTION/PROJECT SITE (HEREIN "BOHLER
PARTIES-), RELIEVES OR WILL RELIEVE THE CONTRACTOR OF AND FROM CONSTRUCTION MEANS, METHODS, SEQUENCE, TECHNIQUES OR
PROCEDURES NECESSARY FOR PERFORMING, OVERSEEING, SUPERINTENDING AND COORDINATING THE WORK IN ACCORDANCE WITH THE
CONTRACT DOCUMENTS AND COMPLIANCE WITH ALL HEALTH AND SAFETY PRECAUTIONS REQUIRED BY ANY REGULATORY AGENCIES WITH
JURISDICTION OVER THE PROJECT AND/OR PROPERTY. BOHLER PARTIES HAVE NO AUTHORITY TO EXERCISE ANY CONTROL OVER (OR ANY
RESPONSIBILITY FOR) ANY CONSTRUCTION, THE CONTRACTOR OR ITS EMPLOYEES RELATING TO THEIR WORK AND ANY AND ALL HEALTH AND
SAFETY PROGRAMS OR PROCEDURES. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR JOB SITE SAFETY. THE CONTRACTOR MUST INDEMNIFY,
DEFEND, PROTECT AND HOLD HARMLESS BOHLER PARTIES FOR AND FROM ANY LIABILITY TO BOHLER PARTIES RESULTING FROM THE
CONTRACTOR'S WORK, SERVICES AND/OR VIOLATIONS OF THIS NOTE, THESE NOTES OR ANY NOTES IN THE PLAN SET AND, FURTHER, THE
CONTRACTOR MUST NAME BOHLER AS AN ADDITIONAL INSURED UNDER THE GENERAL CONTRACTOR'S POLICIES OF GENERAL LIABILITY INSURANCE
AS DESCRIBED ABOVE.
24. WHEN IT IS CLEARLY AND SPECIFICALLY WITHIN BOHLER'S SCOPE OF SERVICES CONTRACT WITH THE OWNEWDEVELOPER, BOHLER WILL REVIEW OR
TAKE OTHER APPROPRIATE ACTION ON THE CONTRACTOR SUBMITTALS, SUCH AS SHOP DRAWINGS, PRODUCT DATA SAMPLES, AND OTHER DATA,
WHICH THE CONTRACTOR IS REQUIRED TO SUBMIT, BUT ONLY FOR THE LIMITED PURPOSE OF EVALUATING CONFORMANCE WITH THE DESIGN
INTENT AND THE INFORMATION SHOWN IN THE CONSTRUCTION CONTRACT DOCUMENTS. CONSTRUCTION MEANS AND METHODS AND/OR
TECHNIQUES OR PROCEDURES, COORDINATION OF THE WORK WITH OTHER TRADES, AND CONSTRUCTION SAFETY PRECAUTIONS ARE THE SOLE
RESPONSIBILITY OF THE CONTRACTOR AND BOHLER HAS NO RESPONSIBILITY OR LIABILITY FOR SAME. BOHLER WILL PERFORM ITS SHOP DRAWING
REVIEW WITH REASONABLE PROMPTNESS, AS CONDITIONS PERMIT. ANY DOCUMENT, DOCUMENTING BOHLER'S REVIEW OF A SPECIFIC ITEM OR
LIMITED SCOPE, MUST NOT INDICATE THAT BOHLER HAS REVIEWED THE ENTIRE ASSEMBLY OF WHICH THE ITEM IS A COMPONENT. BOHLER IS NOT
RESPONSIBLE FOR ANY DEVIATIONS FROM THE CONSTRUCTION DOCUMENTS. THE CONTRACTOR MUST, IN WRITING, PROMPTLY AND IMMEDIATELY
BRING ANY DEVIATIONS FROM THE CONSTRUCTION DOCUMENTS TO BOHLER'S ATTENTION. BOHLER IS NOT REQUIRED TO REVIEW PARTIAL
SUBMISSIONS OR THOSE FOR WHICH SUBMISSIONS OF CORRELATED ITEMS HAVE NOT BEEN RECEIVED.
25. IF THE CONTRACTOR DEVIATES FROM THESE PLANS AND/OR SPECIFICATIONS, INCLUDING THE NOTES CONTAINED HEREIN, WITHOUT FIRST
OBTAINING THE PRIOR WRITTEN AUTHORIZATION OF THE ENGINEER OF RECORD AND BOHLER FOR ALL DEVIATIONS WITHIN ENGINEER'S SCOPE, THE
CONTRACTOR IS SOLELY RESPONSIBLE FOR THE PAYMENT OF ALL COSTS INCURRED IN CORRECTING ANY WORK PERFORMED WHICH DEVIATES
FROM THE PLANS, ALL FINES AND/OR PENALTIES ASSESSED WITH RESPECT THERETO AND ALL COMPENSATORY OR PUNITIVE DAMAGES RESULTING
THEREFROM AND, FURTHER, MUST DEFEND, INDEMNIFY, PROTECT, AND HOLD HARMLESS THE ENGINEER OF RECORD AND BOHLER PARTIES TO THE
FULLEST EXTENT PERMITTED UNDER THE LAW, FOR AND FROM ALL FEES, ATTORNEYS' FEES, DAMAGES, COSTS, JUDGMENTS, CLAIMS, INJURIES,
PENALTIES AND THE LIKE RELATED TO SAME.
26. THE CONTRACTOR IS RESPONSIBLE FOR A MAINTAINING AND PROTECTING THE TRAFFIC CONTROL PLAN AND ELEMENTS IN ACCORDANCE WITH
FEDERAL, STATE, AND LOCAL REQUIREMENTS, FOR ALL WORK THAT AFFECTS PUBLIC TRAVEL EITHER IN THE RIGHT OF WAY OR ON SITE. THE COST
FOR THIS ITEM MUST BE INCLUDED IN THE CONTRACTOR'S PRICE AND IS THE CONTRACTOR'S SOLE RESPONSIBILITY.
27. OWNER MUST MAINTAIN AND PRESERVE ALL PHYSICAL SITE FEATURES AND DESIGN FEATURES DEPICTED ON THE PLANS AND RELATED DOCUMENTS
IN STRICT ACCORDANCE WITH THE APPROVED PLAN(S) AND DESIGN; AND, FURTHER, THE ENGINEER OF RECORD AND BOHLER ARE NOT
RESPONSIBLE FOR ANY FAILURE TO SO MAINTAIN OR PRESERVE SITE AND/OR DESIGN FEATURES. IF OWNER FAILS TO MAINTAIN AND/OR PRESERVE
ALL PHYSICAL SITE FEATURES AND/OR DESIGN FEATURES DEPICTED ON THE PLANS AND RELATED DOCUMENTS, OWNER AGREES TO INDEMNIFY
AND HOLD THE ENGINEER OF RECORD AND BOHLER PARTIES, HARMLESS FOR ALL INJURIES, DAMAGES AND COSTS THAT ENGINEER OF RECORD
AND BOHLER INCUR AS A RESULT OF SAID FAILURE OR FAILURE TO PRESERVE.
28. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR ENSURING THAT ALL CONSTRUCTION ACTIVITIES AND MATERIALS COMPLY WITH AND CONFORM TO
APPLICABLE FEDERAL, STATE AND LOCAL RULES AND REGULATIONS, LAWS, ORDINANCES, AND CODES, AND ALL APPLICABLE REQUIREMENTS OF
THE OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970, (29 U.S.C. 651 ET SEQ.) AS AMENDED, AND ANY MODIFICATIONS, AMENDMENTS OR REVISIONS
TO SAME.
29. THE CONTRACTOR MUST STRICTLY COMPLY WITH THE LATEST AND CURRENT OSHA STANDARDS AND REGULATIONS, AND/OR ANY OTHER AGENCY
WITH JURISDICTION OVER EXCAVATION AND TRENCHING PROCEDURES. ENGINEER OF RECORD AND BOHLER HAS NO RESPONSIBILITY FOR OR AS
RELATED TO EXCAVATION AND TRENCHING PROCEDURES AND WORK.
30. THE CONTRACTOR AND THE OWNER MUST INSTALL ALL ELEMENTS AND COMPONENTS IN STRICT COMPLIANCE WITH AND IN ACCORDANCE WITH
MANUFACTURER'S STANDARDS AND RECOMMENDED INSTALLATION CRITERIA AND SPECIFICATIONS. IF THE CONTRACTOR AND/OR OWNER FAIL TO
DO SO, THEY AGREE TO JOINTLY, INDEPENDENTLY, SEPARATELY, COLLECTIVELY, AND SEVERALLY INDEMNIFY, DEFEND, PROTECT AND HOLD
ENGINEER OF RECORD AND BOHLER PARTIES HARMLESS FOR ALL INJURIES AND DAMAGES THAT ENGINEER SUFFERS AND COSTS THAT ENGINEER
INCURS AS A RESULT OF SAID FAILURE.
31. THE CONTRACTOR IS RESPONSIBLE TO MAINTAIN AN ON -SITE STORMWATER POLLUTION PREVENTION PLAN (SWPPP) IN COMPLIANCE WITH THE
ENVIRONMENTAL PROTECTION AGENCY (EPA) REQUIREMENTS OR LOCAL GOVERNING AGENCY FOR SITES WHERE ONE (1) ACRE OR MORE IS
DISTURBED BY CONSTRUCTION ACTIVITIES (UNLESS THE LOCAL JURISDICTION REQUIRES A DIFFERENT THRESHOLD). THE CONTRACTOR MUST
ENSURE THAT ALL ACTIVITIES, INCLUDING THOSE OF ALL SUBCONTRACTORS, ARE IN COMPLIANCE WITH THE SWPPP, INCLUDING BUT NOT LIMITED
TO LOGGING ACTIVITIES (MINIMUM ONCE PER WEEK AND AFTER RAINFALL EVENTS) AND CORRECTIVE MEASURES, AS APPROPRIATE AND FURTHER,
THE CONTRACTOR IS SOLELY AND COMPLETELY RESPONSIBLE FOR FAILING TO DO SO.
32. AS CONTAINED IN THESE DRAWINGS AND ASSOCIATED DOCUMENTS PREPARED BY THE ENGINEER OF RECORD AND BOHLER, THE USE OF THE
WORDS'CERTIFY' OR'CERTIFICATION' CONSTITUTE(S) AN EXPRESSION ONLY OF PROFESSIONAL OPINION REGARDING THE INFORMATION WHICH IS
THE SUBJECT OF THE ENGINEER OF RECORD's AND BOHLER KNOWLEDGE OR BELIEF AND IN ACCORDANCE WITH COMMON AND ACCEPTED
PROCEDURE CONSISTENT WITH THE APPLICABLE STANDARDS OF PRACTICE, AND DOES NOT CONSTITUTE A WARRANTY OR GUARANTEE OF ANY
NATURE OR TYPE, EITHER EXPRESSED OR IMPLIED, UNDER ANY CIRCUMSTANCES.
1. THE GENERAL NOTES MUST BE INCLUDED AS PART OF THIS ENTIRE DOCUMENT PACKAGE AND ARE PART OF THE CONTRACT
DOCUMENTS. THE GENERAL NOTES ARE REFERENCED HEREIN AND THE CONTRACTOR MUST REFER TO THEM AND FULLY
COMPLY WITH THESE NOTES IN THEIR ENTIRETY. THE CONTRACTOR MUST BE FAMILIAR WITH AND ACKNOWLEDGE FAMILIARITY
WITH ALL OF THE GENERAL NOTES AND ALL OF THE PLANS' SPECIFIC NOTES.
2. THE CONTRACTOR MUST CONDUCT DEMOLITION/REMOVALS ACTIVITIES IN SUCH A MANNER AS TO ENSURE MINIMUM
INTERFERENCE WITH ROADS STREETS SIDEWALKS WALKWAYS AND ALL OTHER ADJACENT FACILITIES. THE CONTRACTOR
MUST OBTAIN ALL APPLICABLE PERMITS FROM THE APPROPRIATE GOVERNMENTAL AUTHORITY IES PRIOR TO THE
( )
COMMENCEMENT OF ANY ROAD OPENING OR DEMOLITION ACTIVITIES IN OR ADJACENT TO THE RIGHT-OF-WAY.
3. WHEN DEMOLITION -RELATED ACTIVITIES IMPACT ROADWAYS AND/OR ROADWAY RIGHT-OF-WAY, THE CONTRACTOR MUST
PROVIDE TRAFFIC CONTROL AND GENERALLY ACCEPTED SAFE PRACTICES IN CONFORMANCE WITH THE CURRENT FEDERAL
HIGHWAY ADMINISTRATION "MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES" MUTCD AND THE FEDERAL STATE AND LOCAL
( ).
REGULATIONS.
4. THE DEMOLITION AND/OR REMOVALS PLAN IS INTENDED TO PROVIDE GENERAL INFORMATION AND TO IDENTIFY ONLY
( )
CONDITIONS REGARDING ITEMS TO BE DEMOLISHED REMOVED AND/OR TO REMAIN.
A THE CONTRACTOR MUST ALSO REVIEW ALL CONSTRUCTION DOCUMENTS AND INCLUDE WITHIN THE DEMOLITION ACTIVITIES
ALL INCIDENTAL WORK NECESSARY FOR THE CONSTRUCTION OF THE NEW SITE IMPROVEMENTS.
B. THIS PLAN IS NOT INTENDED TO AND DOES NOT PROVIDE DIRECTION REGARDING THE MEANS METHODS SEQUENCING
TECHNIQUES AND PROCEDURES TO BE EMPLOYED TO ACCOMPLISH THE WORK. ALL MEANS METHODS SEQUENCING
TECHNIQUES AND PROCEDURES TO BE USED MUST BE IN STRICT ACCORDANCE AND CONFORMANCE WITH ALL STATE,
FEDERAL, LOCAL, AND JURISDICTIONAL REQUIREMENTS. THE CONTRACTOR MUST COMPLY WITH ALL OSHA AND OTHER
SAFETY PRECAUTIONS NECESSARY TO PROVIDE A SAFE WORK SITE FOR THE CONTRACTOR AND THE PUBLIC.
5. THE CONTRACTOR MUST PROVIDE ALL "METHODS AND MEANS" NECESSARY TO PREVENT MOVEMENT, SETTLEMENT, OR
COLLAPSE OF EXISTING STRUCTURES, AND ANY OTHER IMPROVEMENTS THAT ARE REMAINING ON OR OFF SITE. THE
CONTRACTOR, AT THE CONTRACTOR'S SOLE COST, MUST REPAIR ALL DAMAGE TO ALL ITEMS AND FEATURES THAT ARE TO
REMAIN. CONTRACTOR MUST USE NEW MATERIAL FOR ALL REPAIRS. CONTRACTOR'S REPAIRS MUST INCLUDE THE
RESTORATION OF ALL ITEMS AND FEATURES REPAIRED TO THEIR PRE -DEMOLITION CONDITION, OR BETTER. CONTRACTOR MUST
PERFORM ALL REPAIRS AT THE CONTRACTOR'S SOLE EXPENSE.
6. ENGINEER OF RECORD AND BOHLER ARE NOT RESPONSIBLE FOR JOB SITE SAFETY OR SUPERVISION. THE CONTRACTOR MUST
PROCEED WITH THE DEMOLITION IN A SYSTEMATIC AND SAFE MANNER COMPLYING WITH ALL OSHA REQUIREMENTS TO
ENSURE PUBLIC AND CONTRACTOR SAFETY AND SAFETY TO ALL PROPERTY ON THE SITE OR ADJACENT OR NEAR TO THE SAME.
7. THE CONTRACTOR IS RESPONSIBLE FOR JOB SITE SAFETY, WHICH MUST INCLUDE, BUT IS NOT LIMITED TO, THE INSTALLATION
AND MAINTENANCE OF BARRIERS, FENCING, OTHER APPROPRIATE AND/OR NECESSARY SAFETY FEATURES AND ITEMS
NECESSARY TO PROTECT THE PUBLIC FROM AREAS OF CONSTRUCTION AND CONSTRUCTION ACTIVITIES. THE CONTRACTOR
MUST SAFEGUARD THE SITE AS NECESSARY TO PERFORM THE DEMOLITION IN SUCH A MANNER AS TO PREVENT THE ENTRY OF
ALL UNAUTHORIZED PERSONS AT ANY TIME, TO OR NEAR THE DEMOLITION AREA.
8. PRIOR TO THE COMMENCEMENT OF ANY SITE ACTIVITY AND ANY DEMOLITION ACTIVITY, THE CONTRACTOR MUST, IN WRITING,
RAISE ANY QUESTIONS CONCERNING THE ACCURACY OR INTENT OF THESE PLANS AND/OR SPECIFICATIONS, ALL CONCERNS OR
QUESTIONS REGARDING THE APPLICABLE SAFETY STANDARDS, AND/OR THE SAFETY OF THE CONTRACTOR AND/OR THIRD
PARTIES IN PERFORMING THE WORK ON THIS PROJECT. ANY SUCH CONCERNS MUST BE CONVEYED TO THE ENGINEER OF
RECORD AND BOHLER , IN WRITING AND MUST ADDRESS ALL ISSUES AND ITEMS RESPONDED TO, BY THE ENGINEER OF RECORD
AND BY BOHLER, IN WRITING. ALL DEMOLITION ACTIVITIES MUST BE PERFORMED IN ACCORDANCE WITH THE REQUIREMENTS OF
THESE PLANS AND SPECIFICATIONS AND ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS, RULES, REQUIREMENTS,
STATUTES, ORDINANCES AND CODES.
9. THE CONTRACTOR MUST BECOME FAMILIAR WITH THE APPLICABLE UTILITY SERVICE PROVIDER REQUIREMENTS AND IS
RESPONSIBLE FOR ALL COORDINATION REGARDING UTILITY DEMOLITION AND/OR DISCONNECTION AS IDENTIFIED OR REQUIRED
FOR THE PROJECT. THE CONTRACTOR MUST PROVIDE THE OWNER WITH WRITTEN NOTIFICATION THAT THE EXISTING UTILITIES
AND SERVICES HAVE BEEN TERMINATED, REMOVED AND/OR ABANDONED IN ACCORDANCE WITH THE JURISDICTION AND UTILITY
COMPANY REQUIREMENTS AND ALL OTHER APPLICABLE REQUIREMENTS, RULES, STATUTES, LAWS, ORDINANCES AND CODES.
10. PRIOR TO COMMENCING ANY DEMOLITION, THE CONTRACTOR MUST:
A. OBTAIN ALL REQUIRED PERMITS AND MAINTAIN THE SAME ON SITE FOR REVIEW BY THE ENGINEER AND ALL PUBLIC
AGENCIES WITH JURISDICTION THROUGHOUT THE DURATION OF THE PROJECT, SITE WORK, AND DEMOLITION WORK.
B. NOTIFY, AT A MINIMUM, THE MUNICIPAL ENGINEER, DESIGN ENGINEER, AND LOCAL SOIL CONSERVATION JURISDICTION, AT
LEAST 72 BUSINESS HOURS PRIOR TO THE COMMENCEMENT OF WORK.
C. INSTALL THE REQUIRED SOIL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO SITE DISTURBANCE, AND MAINTAIN
SAID CONTROLS UNTIL SITE IS STABILIZED
D. IN ACCORDANCE WITH STATE LAW, THE CONTRACTOR MUST CALL THE STATE ONE -CALL DAMAGE PROTECTION SYSTEM FOR
UTILITY MARK OUT, IN ADVANCE OF ANY EXCAVATION.
E. LOCATE AND PROTECT ALL UTILITIES AND SERVICES, INCLUDING BUT NOT LIMITED TO GAS, WATER, ELECTRIC, SANITARY
AND STORM SEWER, TELEPHONE, CABLE, FIBER OPTIC CABLE, ETC. WITHIN AND ADJACENT TO THE LIMITS OF PROJECT
ACTIVITIES. THE CONTRACTOR MUST USE AND COMPLY WITH THE REQUIREMENTS OF THE APPLICABLE UTILITY
NOTIFICATION SYSTEM TO LOCATE ALL UNDERGROUND UTILITIES.
F. PROTECT AND MAINTAIN IN OPERATION, ALL ACTIVE UTILITIES AND SYSTEMS THAT ARE NOT BEING REMOVED DURING ANY
DEMOLITION ACTIVITIES.
G. ARRANGE FOR AND COORDINATE WITH THE APPLICABLE UTILITY SERVICE PROVIDER(S) FOR THE TEMPORARY OR
PERMANENT TERMINATION OF SERVICE REQUIRED BY THE PROJECT PLANS AND SPECIFICATIONS REGARDING THE
METHODS AND MEANS TO CONSTRUCT SAME. THESE ARE NOT THE ENGINEER OF RECORD's RESPONSIBILITY. IN THE EVENT
OF ABANDONMENT, THE CONTRACTOR MUST PROVIDE THE UTILITY ENGINEER AND OWNER WITH IMMEDIATE WRITTEN
NOTIFICATION THAT THE EXISTING UTILITIES AND SERVICES HAVE BEEN TERMINATED AND ABANDONED IN ACCORDANCE
WITH JURISDICTIONAL AND UTILITY COMPANY REQUIREMENTS.
H. ARRANGE FOR AND COORDINATE WITH THE APPLICABLE UTILITY SERVICE PROVIDER(S) REGARDING WORKING "OFF-PEAK'
HOURS OR ON WEEKENDS AS NECESSARY OR AS REQUIRED TO MINIMIZE THE IMPACT ON, OF, AND TO THE AFFECTED
PARTIES. WORK REQUIRED TO BE PERFORMED "OFF-PEAK" IS TO BE PERFORMED AT NO ADDITIONAL COST TO THE OWNER.
I. IN THE EVENT THE CONTRACTOR DISCOVERS ANY HAZARDOUS MATERIAL, THE REMOVAL OF WHICH IS NOT ADDRESSED IN
THE PROJECT PLANS AND SPECIFICATIONS OR THE CONTRACT WITH THE OWNER/DEVELOPER, THE CONTRACTOR MUST
IMMEDIATELY CEASE ALL WORK IN THE AREA OF DISCOVERY, AND IMMEDIATELY NOTIFY, IN WRITING AND VERBALLY, THE
OWNER AND ENGINEER OF RECORD AND BOHLER, THE DISCOVERY OF SUCH MATERIALS TO PURSUE PROPER AND
COMPLIANT REMOVAL OF SAME.
11. THE CONTRACTOR MUST NOT PERFORM ANY EARTH MOVEMENT ACTIVITIES, DEMOLITION OR REMOVAL OF FOUNDATION WALLS,
FOOTINGS, OR OTHER MATERIALS WITHIN THE LIMITS OF DISTURBANCE, UNLESS SAME IS IN STRICT ACCORDANCE AND
CONFORMANCE WITH THE PROJECT PLANS AND SPECIFICATIONS, OR PURSUANT TO THE WRITTEN DIRECTION OF THE OWNER'S
STRUCTURAL OR GEOTECHNICAL ENGINEER.
12. DEMOLITION ACTIVITIES AND EQUIPMENT MUST NOT USE OR INCLUDE AREAS OUTSIDE THE DEFINED PROJECT LIMIT LINE,
WITHOUT SPECIFIC WRITTEN PERMISSION AND AUTHORITY OF AND FROM THE OWNER AND ALL GOVERNMENTAL AGENCIES
WITH JURISDICTION.
13. THE CONTRACTOR MUST BACKFILL ALL EXCAVATION RESULTING FROM, OR INCIDENTAL TO, DEMOLITION ACTIVITIES. BACKFILL
MUST BE ACCOMPLISHED WITH APPROVED BACKFILL MATERIALS AND MUST BE SUFFICIENTLY COMPACTED TO SUPPORT ALL
NEW IMPROVEMENTS AND MUST BE PERFORMED IN COMPLIANCE WITH THE RECOMMENDATIONS AND GUIDANCE ARTICULATED
IN THE GEOTECHNICAL REPORT. BACKFILLING MUST OCCUR IMMEDIATELY AFTER DEMOLITION ACTIVITIES AND MUST BE
PERFORMED SO AS TO PREVENT WATER ENTERING THE EXCAVATION. FINISHED SURFACES MUST BE GRADED TO PROMOTE
POSITIVE DRAINAGE. THE CONTRACTOR IS RESPONSIBLE FOR COMPACTION TESTING AND MUST SUBMIT SUCH REPORTS AND
RESULTS TO THE ENGINEER OF RECORD AND THE OWNER.
14. EXPLOSIVES MUST NOT BE USED WITHOUT PRIOR WRITTEN CONSENT FROM BOTH THE OWNER AND ALL APPLICABLE,
NECESSARY AND REQUIRED GOVERNMENTAL AUTHORITIES. PRIOR TO COMMENCING ANY EXPLOSIVE PROGRAM AND/OR ANY
DEMOLITION ACTIVITIES, THE CONTRACTOR MUST ENSURE AND OVERSEE THE INSTALLATION OF ALL OF THE REQUIRED PERMIT
AND EXPLOSIVE CONTROL MEASURES THAT THE FEDERAL, STATE, AND LOCAL GOVERNMENTS REQUIRE. THE CONTRACTOR IS
ALSO RESPONSIBLE TO CONDUCT AND PERFORM ALL INSPECTION AND SEISMIC VIBRATION TESTING THAT IS REQUIRED TO
MONITOR THE EFFECTS ON ALL LOCAL STRUCTURES AND THE LIKE.
15. IN ACCORDANCE WITH FEDERAL, STATE, AND/OR LOCAL STANDARDS, THE CONTRACTOR MUST USE DUST CONTROL MEASURES
TO LIMIT AIRBORNE DUST AND DIRT RISING AND SCATTERING IN THE AIR. AFTER THE DEMOLITION IS COMPLETE, THE
CONTRACTOR MUST CLEAN ALL ADJACENT STRUCTURES AND IMPROVEMENTS TO REMOVE ALL DUST AND DEBRIS WHICH THE
DEMOLITION OPERATIONS CAUSE. THE CONTRACTOR IS RESPONSIBLE FOR RETURNING ALL ADJACENT AREAS TO THEIR
"PRE -DEMOLITION" CONDITION AT CONTRACTOR'S SOLE COST.
16. PAVEMENT MUST BE SAW CUT IN STRAIGHT LINES. ALL DEBRIS FROM REMOVAL OPERATIONS MUST BE REMOVED FROM THE
SITE AT THE TIME OF EXCAVATION. STOCKPILING OF DEBRIS OUTSIDE OF APPROVED AREAS WILL NOT BE PERMITTED,
INCLUDING BUT NOT LIMITED TO, THE PUBLIC RIGHT-OF-WAY.
17. THE CONTRACTOR MUST MAINTAIN A RECORD SET OF PLANS WHICH INDICATES THE LOCATION OF EXISTING UTILITIES THAT ARE
CAPPED, ABANDONED IN PLACE, OR RELOCATED DUE TO DEMOLITION ACTIVITIES. THIS RECORD DOCUMENT MUST BE
PREPARED IN A NEAT AND WORKMAN -LIKE MANNER AND TURNED OVER TO THE OWNERIDEVELOPER UPON COMPLETION OF THE
WORK, ALL OF WHICH IS AT THE CONTRACTOR'S SOLE COST.
18. THE CONTRACTOR MUST EMPTY, CLEAN AND REMOVE FROM THE SITE ALL UNDERGROUND STORAGE TANKS, IF ENCOUNTERED,
IN ACCORDANCE WITH FEDERAL, STATE, COUNTY AND LOCAL REQUIREMENTS, PRIOR TO CONTINUING CONSTRUCTION IN THE
AREA AROUND THE TANK WHICH EMPTYING, CLEANING AND REMOVAL ARE AT THE CONTRACTOR'S SOLE COST.
SOIL EROSION & SEDIMENT CONTROL PLAN NOTES (Rev.12020)
1. THE GENERAL NOTES MUST BE INCLUDED AS PART OF THIS ENTIRE DOCUMENT PACKAGE AND ARE PART OF THE CONTRACT
DOCUMENTS. THE GENERAL NOTES ARE REFERENCED HEREIN, AND THE CONTRACTOR MUST REFER TO THEM AND FULLY
COMPLY WITH THESE NOTES, IN THEIR ENTIRETY. THE CONTRACTOR MUST BE FAMILIAR WITH AND ACKNOWLEDGE FAMILIARITY
WITH ALL OF THE GENERAL NOTES AND ALL OF THE PLANS' SPECIFIC NOTES.
2. EROSION CONTROL MEASURES MUST CONFORM TO THE VIRGINA GUIDELINES FOR URBAN EROSION AND SEDIMENT
CONTROL UNLESS OTHERWISE NOTED, OR UNLESS ENGINEER CLEARLY AND SPECIFICALLY, IN WRITING, DIRECTS OTHERWISE.
INSTALLATION OF EROSION CONTROL, CLEARING, AND SITE WORK MUST BE PERFORMED EXACTLY AS INDICATED IN THE
EROSION CONTROL CONSTRUCTION NOTES.
3. THE DISTURBED LAND AREA OF THIS SITE IS APPROXIMATELY 1.31 ACRES.
4. THE FOLLOWING EROSION CONTROL MEASURES ARE PROPOSED FOR THIS SITE:
A. STABILIZED CONSTRUCTION ENTRANCE/ EXIT -A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT IS TO BE INSTALLED
AT THE DESIGNATED LOCATION SHOWN ON THE PLAN. THIS AREA MUST BE GRADED SO THAT RUNOFF WATER WILL BE
RETAINED ON -SITE.
B. SEDIMENT FENCE - INSTALL SILT FENCE(S) AND/OR SILT SOCK AROUND ALL OF THE DOWNSLOPE PERIMETERS OF THE SITE,
TEMPORARY FILL AND SOIL STOCKPILES.
C. INSTALL FILTER FABRIC DROP INLET PROTECTION AROUND EACH DRAINAGE INLET AS DRAINAGE STRUCTURES ARE
INSTALLED TO REDUCE THE QUANTITY OF SEDIMENT. INSTALL TEMPORARY INLET PROTECTION ON INLETS DOWNSLOPE
FROM DISTURBANCE, WHICH MAY BE BEYOND THE LIMITS OF DISTURBED AREA.
5. INSTALLATION OF EROSION CONTROL DEVICES MUST BE IN ACCORDANCE WITH ALL OF THE MANUFACTURER'S
RECOMMENDATIONS.
6. THE CONTRACTOR MUST INSPECT EROSION CONTROL MEASURES WEEKLY. THE CONTRACTOR MUST REMOVE ANY SILT
DEPOSITS GREATER THAN 6" COLLECTED ON THE FILTER FABRIC AND/OR SILT SOCK BARRIERS AND EXCAVATE AND REMOVE
ANY SILT FROM DROP INLET PROTECTION.
7. THE CONTRACTOR MUST APPLY TEMPORARY SEED AND MULCH TO ALL DISTURBED AREAS THAT WILL NOT BE BROUGHT TO
FINISHED GRADE AND VEGETATED WITHIN 7 DAYS. WHEN AREAS ARE DISTURBED AFTER THE GROWING SEASON, THE
CONTRACTOR MUST STABILIZE SAME WITH GEOTEXTILE FABRIC AND MAINTAIN SAME IN STRICT ACCORDANCE WITH BEST
MANAGEMENT PRACTICES.
8. THE CONTRACTOR MUST INSTALL ADDITIONAL EROSION CONTROL MEASURES IF ENGINEER SO REQUIRES, TO PREVENT ANY,
INCLUDING THE INCIDENTAL, DISCHARGE OF SILT -LADEN RUNOFF FROM EXITING THE SITE.
9. THE CONTRACTOR MUST BE RESPONSIBLE FOR INSPECTING AND MAINTAINING ALL EROSION CONTROL MEASURES ON THE SITE
UNTIL PERMANENT PAVING AND TURFMNDSCAPING IS ESTABLISHED. THE COSTS OF INSTALLING AND MAINTAINING THE
EROSION CONTROL MEASURES MUST BE INCLUDED IN THE BID PRICE FOR THE SITE WORK AND THE CONTRACTOR IS
RESPONSIBLE FOR ALL SUCH COSTS.
10. THE CONTRACTOR MUST CONTINUE TO MAINTAIN ALL EROSION CONTROL MEASURES UNTIL THE COMPLETION OF
CONSTRUCTION AND THE ESTABLISHMENT OF VEGETATION.
11. THE CONTRACTOR MUST REMOVE EROSION CONTROL MEASURES, SILT AND DEBRIS AFTER ESTABLISHING PERMANENT
VEGETATION COVER OR OTHER INSTALLING A DIFFERENT, SPECIFIED METHOD OF STABILIZATION.
12. THIS PLAN REPRESENTS THE MINIMUM LEVEL OF IMPLEMENTATION OF TEMPORARY EROSION AND SEDIMENTATION CONTROL
FACILITIES, MEASURES AND STRUCTURES. ADDITIONAL FACILITIES, MEASURES AND STRUCTURES MUST BE INSTALLED WHERE
NECESSARY TO COMPLY WITH ALL APPLICABLE CODES AND STANDARDS AND/OR TO PREVENT ANY, INCLUDING THE INCIDENTAL
DISCHARGE OF SILT -LADEN RUNOFF FROM EXITING THE SITE.
13. THE CONTRACTOR MUST PROTECT ALL EXISTING TREES AND SHRUBS. THE CONTRACTOR MUST REFER TO THE LANDSCAPE
AND/OR DEMOLITION PLAN(S) FOR TREE PROTECTION, FENCE LOCATIONS AND DETAILS.
14. THE CONTRACTOR MUST REFER TO GRADING PLANS FOR ADDITIONAL INFORMATION.
15. THE CONTRACTOR MUST CLEAN EXISTING AND PROPOSED DRAINAGE STRUCTURES AND INTERCONNECTING PIPES ON OR
OFF -SITE AS THE JURISDICTIONAL AGENCY REQUIRES, BOTH AT THE TIME OF SITE STABILIZATION AND AT END OF PROJECT.
16. SOIL EROSION CONTROL MEASURES MUST BE ADJUSTED OR RELOCATED BY THE CONTRACTOR AS IDENTIFIED DURING SITE
OBSERVATION IN ORDER TO MAINTAIN THE COMPLETE EFFECTIVENESS OF ALL CONTROL MEASURES.
17. THE CONTRACTOR MUST IDENTIFY, ON THE PLAN, THE LOCATION OF WASTE CONTAINERS, FUEL STORAGE TANKS, CONCRETE
WASHOUT AREAS AND ANY OTHER LOCATIONS WHERE HAZARDOUS MATERIALS ARE STORED.
1. THE GENERAL NOTES MUST BE INCLUDED AS PART OF THIS ENTIRE DOCUMENT PACKAGE AND ARE PART OF THE CONTRACT
DOCUMENTS. THE GENERAL NOTES ARE REFERENCED HEREIN AND THE CONTRACTOR MUST REFER TO THEM AND FULLY
COMPLY WITH THESE NOTES, IN THEIR ENTIRETY. THE CONTRACTOR MUST BE FAMILIAR WITH AND ACKNOWLEDGE FAMILIARITY
WITH ALL OF THE GENERAL NOTES AND ALL OF THE PLANS' SPECIFIC NOTES.
2. PRIOR TO THE COMMENCEMENT OF GENERAL CONSTRUCTION, THE CONTRACTOR MUST INSTALL SOIL EROSION CONTROL AND
ANY STORMWATER POLLUTION PREVENTION PLAN SWPPP MEASURES NECESSARY AS INDICATED ON THE APPROVED SOIL
( )
EROSION AND SEDIMENT CONTROL PLAN AND IN ACCORDANCE WITH APPLICABLE AND/OR APPROPRIATE AGENCIES' GUIDELINES
TO PREVENT SEDIMENT AND/OR LOOSE DEBRIS FROM WASHING ONTO ADJACENT PROPERTIES OR THE RIGHT OF WAY.
3. ALL DIRECTIONAL/TRAFFIC SIGNING AND PAVEMENT STRIPING MUST CONFORM TO THE LATEST STANDARDS OF THE MANUAL ON
UNIFORM TRAFFIC CONTROL DEVICES (MUTCD) AND ANY APPLICABLE STATE OR LOCALLY APPROVED SUPPLEMENTS,
GUIDELINES RULES REGULATIONS STANDARDS AND THE LIKE.
4. THE LOCATIONS OF PROPOSED UTILITY POLES AND TRAFFIC SIGNS SHOWN ON THE PLANS ARE SCHEMATIC AND PRELIMINARY.
THE CONTRACTOR IS SOLELY RESPONSIBLE FOR FIELD -VERIFYING THEIR LOCATION. THE CONTRACTOR MUST COORDINATE THE
RELOCATION OF TRAFFIC SIGNS WITH THE ENTITY WITH JURISDICTION OVER THE PROJECT.
5. ALL DIMENSIONS SHOWN ARE TO BOTTOM FACE OF CURB, EDGE OF PAVEMENT, OR EDGE OF BUILDING, EXCEPT WHEN
DIMENSION IS TO A PROPERTY LINE, STAKE OUT OF LOCATIONS OF INLETS, LIGHT POLES, ETC. MUST BE PERFORMED IN STRICT
ACCORDANCE WITH THE DETAILS UNLESS NOTED CLEARLY OTHERWISE.
GRADING NOTES (Rev.22021)
1. THE GENERAL NOTES MUST BE INCLUDED AS PART OF THIS ENTIRE DOCUMENT PACKAGE AND ARE PART OF THE CONTRACT
DOCUMENTS. THE GENERAL NOTES ARE REFERENCED HEREIN AND THE CONTRACTOR MUST REFER TO THEM AND FULLY
COMPLY WITH THESE NOTES IN THEIR ENTIRETY. THE CONTRACTOR MUST BE FAMILIAR WITH AND ACKNOWLEDGE FAMILIARITY
WITH ALL OF THE GENERAL NOTES AND ALL OF THE PLANS' SPECIFIC NOTES.
2. SITE GRADING MUST BE PERFORMED IN ACCORDANCE WITH THESE PLANS AND SPECIFICATIONS AND THE RECOMMENDATIONS
SET FORTH IN THE GEOTECHNICAL REPORT AS REFERENCED IN THIS PLAN SET. IF NO GEOTECHNICAL REPORT HAS BEEN
REFERENCED THE CONTRACTOR MUST HAVE A GEOTECHNICAL ENGINEER PROVIDE WRITTEN SPECIFICATIONS AND
RECOMMENDATIONS PRIOR TO THE CONTRACTOR COMMENCING THE GRADING WORK. THE CONTRACTOR MUST FOLLOW THE
REQUIREMENTS OF ALL MUNICIPAL, COUNTY, STATE, AND FEDERAL LAWS, WHICH HAVE JURISDICTION OVER THIS PROJECT.
3. THE CONTRACTOR IS REQUIRED TO SECURE ALL NECESSARY AND/OR REQUIRED PERMITS AND APPROVALS FOR ALL OFF -SITE
MATERIAL SOURCES AND DISPOSAL FACILITIES. THE CONTRACTOR MUST SUPPLY A COPY OF APPROVALS TO THE ENGINEER OF
RECORD AND THE OWNER PRIOR TO THE CONTRACTOR COMMENCING ANY WORK.
4. THE CONTRACTOR IS FULLY RESPONSIBLE FOR VERIFYING EXISTING TOPOGRAPHIC INFORMATION AND UTILITY INVERT
ELEVATIONS PRIOR TO COMMENCING ANY CONSTRUCTION. SHOULD DISCREPANCIES BETWEEN THE PLANS AND INFORMATION
OBTAINED THROUGH FIELD VERIFICATIONS BE IDENTIFIED OR EXIST, THE CONTRACTOR MUST IMMEDIATELY NOTIFY THE
ENGINEER OF RECORD, IN WRITING.
5. THE CONTRACTOR IS RESPONSIBLE FOR REMOVING AND REPLACING ALL UNSUITABLE MATERIALS WITH SUITABLE MATERIALS
AS SPECIFIED IN THE GEOTECHNICAL REPORT. THE CONTRACTOR MUST COMPACT ALL EXCAVATED OR FILLED AREAS IN STRICT
ACCORDANCE WITH THE GEOTECHNICAL REPORTS GUIDANCE. MOISTURE CONTENT AT TIME OF PLACEMENT MUST BE
SUBMITTED IN A COMPACTION REPORT PREPARED BY A QUALIFIED GEOTECHNICAL ENGINEER, REGISTERED WITH THE STATE
WHERE THE WORK IS PERFORMED. THIS REPORT MUST VERIFY THAT ALL FILLED AREAS AND SUBGRADE AREAS WITHIN THE
BUILDING PAD AREA AND AREAS TO BE PAVED HAVE BEEN COMPACTED IN ACCORDANCE WITH THESE PLANS, SPECIFICATIONS
AND THE RECOMMENDATIONS SET FORTH IN THE GEOTECHNICAL REPORT AND ALL APPLICABLE REQUIREMENTS, RULES,
STATUTES, LAWS, ORDINANCES AND CODES WHICH ARE IN EFFECT AND WHICH ARE APPLICABLE TO THE PROJECT. SUBBASE
MATERIAL FOR SIDEWALKS, CURB, OR ASPHALT MUST BE FREE OF ORGANICS AND OTHER UNSUITABLE MATERIALS. SHOULD
SUBBASE BE DEEMED UNSUITABLE BY OWNERIDEVELOPER, OR OWNER/DEVELOPER'S REPRESENTATIVE, SUBBASE MUST BE
REMOVED AND FILLED WITH APPROVED FILL MATERIAL, COMPACTED AS THE GEOTECHNICAL REPORT DIRECTS. EARTHWORK
ACTIVITIES INCLUDING, BUT NOT LIMITED TO, EXCAVATION, BACKFILL, AND COMPACTING MUST COMPLY WITH THE
RECOMMENDATIONS IN THE GEOTECHNICAL REPORT AND ALL APPLICABLE REQUIREMENTS, RULES, STATUTES, LAWS,
ORDINANCES AND CODES. EARTHWORK ACTIVITIES MUST COMPLY WITH THE STANDARD STATE DOT SPECIFICATIONS FOR
ROADWAY CONSTRUCTION (LATEST EDITION) AND ANY AMENDMENTS OR REVISIONS THERETO.
6. IN THE EVENT OF A DISCREPANCY(IES) AND/OR A CONFLICT(S) BETWEEN PLANS, OR RELATIVE TO OTHER PLANS, THE GRADING
PLAN TAKES PRECEDENCE AND CONTROLS. THE CONTRACTOR MUST IMMEDIATELY NOTIFY THE ENGINEER OF RECORD, IN
WRITING, OF ANY DISCREPANCY(IES) AND/OR CONFLICT(S).
7. THE CONTRACTOR IS RESPONSIBLE TO IMPORT FILL OR EXPORT EXCESS MATERIAL AS NECESSARY TO CONFORM TO THE
PROPOSED GRADING, AND TO BACKFILL EXCAVATIONS FOR THE INSTALLATION OF UNDERGROUND IMPROVEMENTS.
ACCESSIBILITY DESIGN GUIDELINES (Rev.12020)
1. ALL ACCESSIBLE (A.KA. ADA) COMPONENTS AND ACCESSIBLE ROUTES MUST BE CONSTRUCTED TO MEET, AT A MINIMUM, THE
MORE STRINGENT OF: (A) THE REQUIREMENTS OF THE "AMERICANS WITH DISABILITIES ACT" (ADA) CODE (42 U.S.C. § 12101 ET
SEQ. AND 42 U.S.C. § 4151 ET SEQ.); AND (B) ANY APPLICABLE LOCAL AND STATE GUIDELINES, AND ANY AND ALL AMENDMENTS
TO BOTH, WHICH ARE IN EFFECT WHEN THESE PLANS WERE COMPLETED.
2. THE CONTRACTOR MUST REVIEW ALL DOCUMENTS REFERENCED IN THESE NOTES FOR ACCURACY, COMPLIANCE AND
CONSISTENCY WITH INDUSTRY GUIDELINES.
3. THE CONTRACTOR MUST EXERCISE APPROPRIATE CARE AND PRECISION IN CONSTRUCTION OF ACCESSIBLE (ADA)
COMPONENTS AND ACCESSIBLE ROUTES FOR THE SITE. FINISHED SURFACES ALONG THE ACCESSIBLE ROUTE OF TRAVEL FROM
PARKING SPACES, PUBLIC TRANSPORTATION, PEDESTRIAN ACCESS, AND INTER -BUILDING ACCESS, TO POINTS OF ACCESSIBLE
BUILDING ENTRANCEEXIT, MUST COMPLY WITH THE ACCESSIBLE GUIDELINES AND REQUIREMENTS WHICH INCLUDE, BUT ARE
NOT LIMITED TO THE FOLLOWING:
A. ACCESSIBLE PARKING SPACES AND ACCESS AISLES SLOPES MUST NOT EXCEED 1:50 (2.0%) IN ANY DIRECTION.
B. PATH OF TRAVEL ALONG ACCESSIBLE ROUTE MUST PROVIDE A 36-INCHES MINIMUM WIDTH (48-INCHES PREFERRED), OR AS
SPECIFIED BY THE GOVERNING AGENCY. UNOBSTRUCTED WIDTH OF TRAVEL (CAR OVERHANGS AND/OR HANDRAILS) MUST
NOT REDUCE THIS MINIMUM WIDTH. THE SLOPE MUST NOT EXCEED 1:20 (5.0%) IN THE DIRECTION OF TRAVEL AND MUST NOT
EXCEED 1:50 (2.0%) IN CROSS SLOPE. WHERE ACCESSIBLE PATH OF TRAVEL IS GREATER THAN 1:20 (5.0%), AN ACCESSIBLE
RAMP MUST BE PROVIDED. ALONG THE ACCESSIBLE PATH OF TRAVEL, OPENINGS MUST NOT EXCEED 12-INCH IN WIDTH.
VERTICAL CHANGES OF UP TO 12-INCH ARE PERMITTED ONLY IF THEY INCLUDES A 114-INCH BEVEL AT A SLOPE NOT
STEEPER THAN 1:2. NO VERTICAL CHANGES OVER 114-INCH ARE PERMITTED.
C. ACCESSIBLE RAMPS MUST NOT EXCEED A SLOPE OF 1:12 (8.3%) AND A RISE OF 30-INCHES. LEVEL LANDINGS MUST BE
PROVIDED AT EACH END OF ACCESSIBLE RAMPS. LANDING MUST PROVIDE POSITIVE DRAINAGE AWAY FROM STRUCTURES,
AND MUST NOT EXCEED 1:50 (2.0%) SLOPE IN ANY DIRECTION. RAMPS THAT CHANGE DIRECTION BETWEEN RUNS AT
LANDINGS MUST HAVE A CLEAR LANDING OF A MINIMUM OF 60-INCHES BY 60-INCHES. HAND RAILS ON BOTH SIDES OF THE
RAMP MUST BE PROVIDED ON AN ACCESSIBLE RAMP WITH A RISE GREATER THAN 6-INCHES.
D. ACCESSIBLE CURB RAMPS MUST NOT EXCEED A SLOPE OF 1:12 (8.3%). WHERE FLARED SIDES ARE PROVIDED, THEY MUST
NOT EXCEED 1:10 (10%) SLOPE. LEVEL LANDING MUST BE PROVIDED AT RAMPS TOP AT A MINIMUM OF 36-INCHES LONG
(48-INCHES PREFERRED). IN ALTERATIONS, WHEN THERE IS NO LANDING AT THE TOP, FLARE SIDES SLOPES MUST NOT
EXCEED A SLOPE OF 1:12 (8.3%).
E. DOORWAY LANDINGS AREAS MUST BE PROVIDED ON THE EXTERIOR SIDE OF ANY DOOR LEADING TO AN ACCESSIBLE PATH
OF TRAVEL. THIS LANDING MUST BE SLOPED AWAY FROM THE DOOR NO MORE THAN 1:50 (2.0%) FOR POSITIVE DRAINAGE.
THIS LANDING AREA MUST BE NO FEWER THAN 60-INCHES (5 FEET) LONG, EXCEPT WHERE OTHERWISE CLEARLY PERMITTED
BY ACCESSIBLE STANDARDS FOR ALTERNATIVE DOORWAY OPENING CONDITIONS. (SEE ICC/ANSI A717.1-2009 AND OTHER
REFERENCES INCORPORATED BY CODE).
F. WHEN THE PROPOSED CONSTRUCTION INVOLVES RECONSTRUCTION, MODIFICATION, REVISION OR EXTENSION OF OR TO
ACCESSIBLE COMPONENTS FROM EXISTING DOORWAYS OR SURFACES, THE CONTRACTOR MUST VERIFY ALL EXISTING
ELEVATIONS SHOWN ON THE PLAN. NOTE THAT TABLE 405.2 OF THE DEPARTMENT OF JUSTICES ADA STANDARDS FOR
ACCESSIBLE DESIGN ALLOWS FOR STEEPER RAMP SLOPES, IN RARE CIRCUMSTANCES. THE CONTRACTOR MUST
IMMEDIATELY NOTIFY THE ENGINEER OF RECORD, IN WRITING, OF ANY DISCREPANCIES AND/OR FIELD CONDITIONS THAT
DIFFER IN ANY WAY OR IN ANY RESPECT FROM WHAT IS SHOWN ON THE PLANS BEFORE COMMENCING ANY WORK.
CONSTRUCTED IMPROVEMENTS MUST FALL WITHIN THE MAXIMUM AND MINIMUM LIMITATIONS IMPOSED BY THE BARRIER
FREE REGULATIONS AND THE ACCESSIBLE GUIDELINES.
G. THE CONTRACTOR MUST VERIFY ALL OF THE SLOPES OF THE CONTRACTOR'S FORMS PRIOR TO POURING CONCRETE. IF
ANY NON-CONFORMANCE EXISTS OR IS OBSERVED OR DISCOVERED, THE CONTRACTOR MUST IMMEDIATELY NOTIFY THE
ENGINEER OF RECORD, IN WRITING, PRIOR TO POURING CONCRETE. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR ALL
COSTS TO REMOVE, REPAIR AND/OR REPLACE NON -CONFORMING CONCRETE AND/OR PAVEMENT SURFACES.
4. IT IS STRONGLY RECOMMENDED THAT THE CONTRACTOR REVIEW THE INTENDED CONSTRUCTION TO ENSURE SAME IS
CONSISTENT WITH THE LOCAL BUILDING CODE PRIOR TO COMMENCING CONSTRUCTION.
DRAINAGE AND UTILITY NOTES (Rev.22021)
1. THE GENERAL NOTES MUST BE INCLUDED AS PART OF THIS ENTIRE DOCUMENT PACKAGE AND ARE PART OF THE CONTRACT
DOCUMENTS. THE GENERAL NOTES ARE REFERENCED HEREIN, AND THE CONTRACTOR MUST REFER TO THEM AND FULLY
COMPLY WITH THESE NOTES, IN THEIR ENTIRETY. THE CONTRACTOR MUST BE FAMILIAR WITH AND ACKNOWLEDGE FAMILIARITY
WITH ALL OF THE GENERAL NOTES AND ALL OF THE PLANS' SPECIFIC NOTES.
2. LOCATIONS OF ALL EXISTING AND PROPOSED SERVICES ARE APPROXIMATE, AND THE CONTRACTOR MUST INDEPENDENTLY
VERIFY AND CONFIRM THOSE LOCATIONS AND SERVICES WITH LOCAL UTILITY COMPANIES PRIOR TO COMMENCING ANY
CONSTRUCTION OR EXCAVATION. THE CONTRACTOR MUST INDEPENDENTLY VERIFY AND CONFIRM ALL SANITARY CONNECTION
POINTS AND ALL OTHER UTILITY SERVICE CONNECTION POINTS IN THE FIELD, PRIOR TO COMMENCING ANY CONSTRUCTION. THE
CONTRACTOR MUST REPORT ALL DISCREPANCIES, ERRORS AND OMISSIONS IN WRITING, TO THE ENGINEER OF RECORD.
3. THE CONTRACTOR MUST VERTICALLY AND HORIZONTALLY LOCATE ALL UTILITIES AND SERVICES INCLUDING, BUT NOT LIMITED
TO, GAS, WATER, ELECTRIC, SANITARY AND STORM, TELEPHONE, CABLE, FIBER OPTIC CABLE, ETC. WITHIN THE LIMITS OF
DISTURBANCE OR WORK SPACE, WHICHEVER IS GREATER. THE CONTRACTOR MUST USE, REFER TO, AND COMPLY WITH THE
REQUIREMENTS OF THE APPLICABLE UTILITY NOTIFICATION SYSTEM TO LOCATE ALL OF THE UNDERGROUND UTILITIES. THE
CONTRACTOR IS RESPONSIBLE FOR REPAIRING ALL DAMAGE TO ANY EXISTING UTILITIES WHICH OCCUR DURING
CONSTRUCTION, AT NO COST TO THE OWNER AND AT CONTRACTOR'S SOLE COST AND EXPENSE. THE CONTRACTOR MUST BEAR
ALL COSTS ASSOCIATED WITH DAMAGE TO ANY EXISTING UTILITIES WHICH OCCURS DURING CONSTRUCTION.
4. THE CONTRACTOR MUST FIELD VERIFY THE PROPOSED INTERFACE POINTS (CROSSINGS) WITH EXISTING UNDERGROUND
UTILITIES BY USING A TEST PIT TO CONFIRM EXACT DEPTH, PRIOR TO COMMENCEMENT OF CONSTRUCTION.
5. STORMWATER ROOF DRAIN LOCATIONS ARE BASED ON ARCHITECTURAL PLANS. THE CONTRACTOR IS RESPONSIBLE FOR
VERIFYING LOCATIONS OF SAME BASED UPON FINAL ARCHITECTURAL PLANS.
6. THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING SITE PLAN DOCUMENTS AND ARCHITECTURAL PLANS FOR EXACT
BUILDING UTILITY CONNECTION LOCATIONS; GREASE TRAP REQUIREMENTS; AND DETAILS, DOOR ACCESS, AND EXTERIOR
GRADING. THE ARCHITECT WILL DETERMINE THE UTILITY SERVICE SIZES. THE CONTRACTOR MUST COORDINATE INSTALLATION
OF UTILITY SERVICES WITH THE INDIVIDUAL COMPANIES TO AVOID CONFLICTS AND TO ENSURE THAT PROPER DEPTHS ARE
ACHIEVED. THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT INSTALLATION OF ALL IMPROVEMENTS COMPLIES WITH ALL
UTILITY REQUIREMENTS OF THE APPLICABLE JURISDICTION AND REGULATORY AGENCIES AND ALL OTHER APPLICABLE
REQUIREMENTS, RULES, STATUTES, LAWS, ORDINANCES AND CODES AND, FURTHER, IS RESPONSIBLE FOR COORDINATING THE
UTILITY TIE-INS/CONNECTIONS PRIOR TO CONNECTING TO THE EXISTING UTILITY/SERVICE. WHERE A CONFLICT(S) EXISTS
BETWEEN THESE DOCUMENTS AND THE ARCHITECTURAL PLANS, OR WHERE ARCHITECTURAL PLAN UTILITY CONNECTION
POINTS DIFFER, THE CONTRACTOR MUST IMMEDIATELY NOTIFY THE ENGINEER OF RECORD, IN WRITING, AND PRIOR TO
CONSTRUCTION, MUST RESOLVE SAME.
7. ALL FILL, COMPACTION, AND BACKFILL MATERIALS REQUIRED FOR UTILITY INSTALLATION MUST BE EXACTLY AS PER THE
RECOMMENDATIONS PROVIDED IN THE GEOTECHNICAL REPORT AND THE CONTRACTOR MUST COORDINATE SAME WITH THE
APPLICABLE UTILITY COMPANY SPECIFICATIONS. WHEN THE PROJECT DOES NOT HAVE GEOTECHNICAL RECOMMENDATIONS,
FILL AND COMPACTION MUST COMPLY WITH APPLICABLE REQUIREMENTS AND SPECIFICATIONS. ENGINEER OF RECORD AND
BOHLER ARE NOT RESPONSIBLE FOR DESIGN OF TRENCH BACKFILL OR FOR COMPACTION REQUIREMENTS
8. DURING THE INSTALLATION OF SANITARY, STORM, AND ALL UTILITIES, THE CONTRACTOR MUST MAINTAIN A CONTEMPORANEOUS
AND THOROUGH RECORD OF CONSTRUCTION TO IDENTIFY THE AS -INSTALLED LOCATIONS OF ALL UNDERGROUND
INFRASTRUCTURE. THE CONTRACTOR MUST CAREFULLY NOTE ANY INSTALLATIONS THAT DEVIATE, IN ANY RESPECT, FROM THE
INFORMATION CONTAINED IN THESE PLANS. THIS RECORD MUST BE KEPT ON A CLEAN COPY OF THE APPROPRIATE PLAN(S),
WHICH THE CONTRACTOR MUST PROMPTLY PROVIDE TO THE OWNER IMMEDIATELY UPON THE COMPLETION OF WORK.
9. THE CONTRACTOR MUST ENSURE THAT ALL UTILITY TRENCHES LOCATED IN EXISTING PAVED ROADWAYS INCLUDING SANITARY,
WATER AND STORM SYSTEMS, ARE REPAIRED IN ACCORDANCE WITH REFERENCED MUNICIPAL, COUNTY AND OR STATE DOT
DETAILS AS APPLICABLE. THE CONTRACTOR MUST COORDINATE INSPECTION AND APPROVAL OF COMPLETED WORK WITH THE
AGENCY WITH JURISDICTION OVER SAME.
10. FINAL LOCATIONS OF PROPOSED UTILITY POLES, AND/ OR POLES TO BE RELOCATED ARE AT THE SOLE DISCRETION OF THE
RESPECTIVE UTILITY COMPANY, REGARDLESS OF WHAT THIS PLAN DEPICTS.
11. WATER SERVICE MATERIALS, BURIAL DEPTH, AND COVER REQUIREMENTS MUST BE SPECIFIED BY THE LOCAL UTILITY COMPANY.
THE CONTRACTOR MUST CONTACT THE APPLICABLE MUNICIPALITY TO CONFIRM THE PROPER WATER METER AND VAULT, PRIOR
TO COMMENCING CONSTRUCTION.
12. THE TOPS OF EXISTING MANHOLES, INLET STRUCTURES, AND SANITARY CLEANOUT MUST BE ADJUSTED, AS NECESSARY, TO
MATCH PROPOSED FINISHED GRADES WITH NO TRIPPING OR SAFETY HAZARD IN ACCORDANCE WITH ALL APPLICABLE
STANDARDS, REQUIREMENTS, RULES, STATUTES, LAWS, ORDINANCES AND CODES.
1. THE GENERAL NOTES MUST BE INCLUDED AS PART OF THIS ENTIRE DOCUMENT PACKAGE AND ARE PART OF THE CONTRACT
DOCUMENTS. THE GENERAL NOTES ARE REFERENCED HEREIN AND THE CONTRACTOR MUST REFER TO THEM AND FULLY
COMPLY WITH THESE NOTES, IN THEIR ENTIRETY. THE CONTRACTOR MUST BE FAMILIAR WITH AND ACKNOWLEDGE FAMILIARITY
WITH ALL OF THE GENERAL NOTES AND ALL OF THE PLANS' SPECIFIC NOTES.
2. THE LIGHTING CONTRACTOR MUST COMPLY WITH ALL APPLICABLE CONTRACTOR REQUIREMENTS INDICATED IN THE PLANS,
INCLUDING BUT NOT LIMITED TO GENERAL NOTES GRADING AND UTILITY NOTES SITE SAFETY AND ALL AGENCY AND
GOVERNMENTAL REGULATIONS.
3. THE LIGHTING PLAN DEPICTS PROPOSED SUSTAINED ILLUMINATION LEVELS CALCULATED USING DATA PROVIDED BY THE
NOTED MANUFACTURER. ACTUAL SUSTAINED SITE ILLUMINATION LEVELS AND PERFORMANCE OF LUMINAIRES MAY VARY DUE
TO VARIATIONS IN WEATHER, ELECTRICAL VOLTAGE, TOLERANCE IN LAMPS, THE SERVICE LIFE OF EQUIPMENT AND LUMINAIRES
AND OTHER RELATED VARIABLE FIELD CONDITIONS.
4. THE LIGHTING VALUES AND CALCULATION POINTS DEPICTED ON THIS PLAN ARE ANALYZED ON A HORIZONTAL GEOMETRIC
PLANE AT GROUND LEVEL UNLESS OTHERWISE NOTED. ILLUMINATION LEVELS ARE SHOWN IN FOOT-CANDLES FC .
( )
5. THE LUMINAIRES, LAMPS AND LENSES MUST BE REGULARLY INSPECTED/MAINTAINED TO ENSURE THAT THEY FUNCTION
PROPERLY. THIS WORK SHOULD INCLUDE, BUT IS NOT LIMITED TO, VISUAL OBSERVATION, CLEANING OF LENSES, AND
RE-LAMPING ACCORDING TO MANUFACTURER RECOMMENDATIONS. FAILURE TO FOLLOW THE ABOVE STEPS COULD RESULT IN
IMPROPER LIGHT DISTRIBUTION AND FAILURE TO COMPLY WITH THE APPROVED DESIGN. UPON COMPLETION AND OWNER'S
ACCEPTANCE OF THE WORK THE ABOVE RESPONSIBILITIES BECOMES SOLELY THE OWNER'S.
6. THE LIGHTING PLAN IS INTENDED TO SHOW THE LOCATIONS AND TYPE OF LUMINAIRES. POWER SYSTEM, CONDUITS, WIRING
AND OTHER ELECTRICAL COMPONENTS ARE SOLELY THE ARCHITECTS, MECHANICAL ENGINEER'S AND/OR LIGHTING
CONTRACTOR'S RESPONSIBILITY, AS INDICATED IN THE CONSTRUCTION CONTRACT DOCUMENTS. THE LIGHTING CONTRACTOR
MUST COORDINATE WITH THE PROJECT ARCHITECT AND/OR ELECTRICAL ENGINEER REGARDING ANY AND ALL POWER SOURCES
AND TIMING DEVICES NECESSARY TO MEET THE DESIGN INTENT. THESE ITEMS MUST BE INSTALLED AS REQUIRED BY STATE AND
LOCAL REGULATIONS. CONTRACTOR IS RESPONSIBLE FOR THE INSTALLATION OF LIGHTING FIXTURES AND APPURTENANCES IN
ACCORDANCE WITH ALL APPLICABLE BUILDING AND ELECTRICAL CODES.
7. THE CONTRACTOR MUST BRING IMMEDIATELY, IN WRITING, ANY LIGHT LOCATIONS THAT CONFLICT WITH DRAINAGE, UTILITIES,
OR OTHER STRUCTURE(S) TO THE ENGINEER OF RECORD's ATTENTION, PRIOR TO THE COMMENCEMENT OF CONSTRUCTION.
8. THE CONTRACTOR IS RESPONSIBLE TO ENSURE THAT SHIELDING AND OR ROTATED OPTICS ARE INSTALLED AS INDICATED ON
THE PLAN IN ORDER TO ACHIEVE THE LIGHTING LEVELS THE REVIEWING AGENCY APPROVED.
ALBEMARLE COUNTY NOTES
1. ACCESSIBLE PARKING SPACES, ACCESS ISLES, AND ACCESSIBLE ROUTE SHALL BE INSTALLED IN ACCORDANCE WITH ICC ANSI
A717.1-09 AND THE 2015 VIRGINIA CONSTRUCTION CODE.
2. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE LOCATED ON PRIVATE PROPERTY MUST
HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING DEPARTMENT.
3. WHERE THE FLOOD LEVEL RIMS OF PLUMBING FIXTURES ARE BELOW THE ELEVATION OF THE MANHOLE COVER OF THE NEXT
UPSTREAM MANHOLE IN THE PUBLIC SEWER, THE FIXTURES SHALL BE PROTECTED BY A BACKWATER VALVE INSTALLED IN THE
BUILDING DRAIN, BRANCH OF THE BUILDING DRAIN OR HORIZONTAL BRANCH SERVING SUCH FIXTURES. PLUMBING FIXTURES
HAVING FLOOD LEVEL RIMS ABOVE THE ELEVATION OF THE MANHOLE COVER OF THE NEXT UPSTREAM MANHOLE IN THE PUBLIC
SEWER SHALL NOT DISCHARGE THROUGH A BACKWATER VALVE.
4. ALL ROOF DRAINS SHALL DISCHARGE IN A MANNER NOT TO CAUSE A PUBLIC NUISANCE AND NOT OVER SIDEWALKS.
5. BUILDINGS OR STRUCTURES BUILT BEFORE JANUARY 1, 1985 MUST HAVE AN ASBESTOS SURVEY PERFORMED IN ORDER TO
APPLY FOR A DEMOLITION PERMIT. ASBESTOS REMOVAL PERMITS ARE REQUIRED IF POSITIVE FOR SUCH FROM ALBEMARLE
COUNTY AND VDOLI. CONTACT VDOLI FOR THEIR ADDITIONAL REQUIREMENTS AND PERMITS FOR DEMOLITION PROJECTS AT
540562-3580 X131.
6. A KNOX BOX WILL BE REQUIRED.
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IAPPROVED FOR
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THIS DRAMNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
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PROJECT No.:
V211201
DRAWN BY:
DISH
CHECKED BY:
RTY
DATE:
8/27/2021
CAD I.D.:
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PROJECT:
VIRGINIA
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1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
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2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
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Lie. No. 0402056625
08/09/2022
SHEET TITLE:
GENERAL
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AMERICANS WITH
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INV
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PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: CNDS-1
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GENERAL
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I '� _ '' � -'--- = --, D.B. 1980 PG. 239 ---- ----_
#Wg NAIIL (TBRJ' _ �� �1 / / AREA: 1.32 AC. (R) -
�� _-
\ < - _ \� �\ \ �\ t \_ _ _ -/ 57,240 S.F. 1.314 ACRES (M) \
���SS 1 � ,� \� _ wi 1 �� ' �50h \\ ! / —505' P/N: 06100-00-00-120J0
/ a _ ( -- x sa, LANDS N/F
EX/ST1Nl TREES (TBR �1 \ / , E
if —� \ / CHARLOTTESV/LL ALBEMARLE
DEMOLITION NOTES:
1. ALTAINSPS LAND TITLE SURVEY
ENTITLED "DISCOUNT TIRE CHARLOTTESVILLE"
PROVIDED BY: BOHLER
12825 WORLDGATE DRIVE SUITE 700 HERNDON, VA 20170
DATE: 01/20/2021
DATUM VCS MAD83/2011 SOUTH ZONE
ELEVATIONS: ARE BASED ON NAVD88 DATUM DETERMINED BY GPS
OBSERVATIONS
2. ADDITIONAL TOPOGRAPHICAL INFORMATION OUTSIDE OF
PROPERTY BOUNDARY IS BASED ON ALBEMARLE COUNTY GIS
CONTOURS.
3. WATER/SEWER SERVICES WILL BE REQUIRED TO BE
DISCONNECTED PRIOR TO DEMO PERMIT APPROVAL.
4. EXISTING STORM SEWER INVERTS AND FIRE INFORMATION
OBTAINED FROM PREVIOUSLY APPROVED WENDYS PLAN BY
HAMILL AND MCKINNEY ARCHITECTS AND ENGINEERS DATED
NOVEMBER 14, 1983.
5. LOCATION OF EXISTING GREASE INTERCEPTOR IS UNKNOWN.
6. CONTRACTOR IS RESPONSIBLE FOR COORDINATING GAS,
ELECTRIC, AND TELECOM SERVICES TO THE STORE.
7. CONTRACTOR RESPONSIBLE FOR MAINTENANCE OF
PEDESTRIAN/VEHICULAR TRAFFIC DURING CONSTRUCTION
ACTIVITIES.
8. CONTRACTOR TO COORDINATE WITH ALBEMARLE COUNTY ON
1 I • -- _ ;' xsaz�s RENTAL PROPERTIES LLC ,'---------------_--
STREET LIGHT POLE RELOCATION FOR MATERIALSPECIFICATION,
AND PROCESS CONTRACTOR TO RESET NORTHEASTERN MOST
EXISTING STREET LIGHT POLE IF REQUIRED DUE TO SIDEWALK
X J o `\ j ;,0� `\. _�_! - -- -- -- CONSTRUCTION IN THE VICINITY OF THE EXISTING POLE.
� / G ��� D.B. 5040 PG. 206 ` ---
PIN. 06100-00-00-120P0 `' _ 9. OVERHEAD UTILITY LINE IS TO REMAIN. IT IS WITHIN CLOSE
\ GRWR AND PAVEMENT \ ZONED. HC H/GHWAY COMMERC/AL
XJ9��� i \ \`0�2% /
_( 1
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fX1SLLLaa«< � AIMERL'
\� XSI/.a6J 4TREFS (MR) / \ / / �� / \ /`\9� / h�1 `� - _ LOCAL, STATE, AND NATIONAL REGULATIONS FOR WORKING
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' AI CCESS' `
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LAND' N F ♦ o� \\� / Q / o - \\\ \ I !� (5 pEMO NOTE 4J /� _ aW / m mw /TARP MANHOLE
D.B. 1429' PG. 330 \ \ \�\ l l 49 CON: N" (I R ao W / NO c
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_ : URB INLET
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DEMOLITION I REMOVAL
LEGEND
DEMOLITIONIREMOVAL NOTE
TYPICAL NOTE TEXT
_----------------
EASEMENT
LINE
CONCRETE CURB&
---
GUTTER
UTILITY POLE
WITH LIGHT
POLE
LIGHT
TRAFFIC
LIGHT
UTILITY
POLE
TYPICAL
l )
LIGHT
T+�
ACORN
LIGHT
---�--
TYPICAL
SIGN
/^
X�
PARKING
L
COUNTS
SPOT
C4
ELEVATIONS
SAN
SANITARY
#
LABEL
TM
STORM
#
LABEL
-------SL-------
SANITARY SEWER
LATERAL
-------W-------
UNDERGROUND
WATER LINE
-------E-------
UNDERGROUND
ELECTRIC LINE
-------0-------
UNDERGROUND
GAS LINE
-------OH ------_
OVERHEAD
WIRE
- - - - - - — T - - - - - - —
UNDERGROUND
TELEPHONE LINE
------_0_------
UNDERGROUND
CABLE LINE
STORM
SEWER
- - - - - - — 5 ------_
SANITARY
SEWER MAIN
HYDRANT
Ils)
SANITARY
MANHOLE
(\D)
STORM
MANHOLE
yyM
WATER
®
METER
NN
WATER
VALVE
GAS
VALVE
®
GAS
METER
LIMITS OF
—LOD LOD—
DISTURBANCE
ALBEMARLE COUNTY
MANAGEDSLOPES
1, LANDS N/F pg _ // / STORM ANNHOLE(IBRJ
Vim' _' I ` �' R/M=494.86
I / W/LCOHESS LLC, ` ��h ' I 1NV 9=484.86 \� 6
D.B 3682 PG. 130 �,����_, ♦ 1NVA=4B5.11 'A
_ — �'� �� -P!N_06100-00-00-120D0 ���-- - � . � EX S7REt7 (� P
/ ZONED H0_? GHWAY COMMERC/AL) cgaax / o /�i / 9sn= i/ J ,` -F��o LEGEND
USE.• UE'L, STAT/ON. ` / H- a ; /i/ 1 EK ELEC. V P� o
-- -- -- —
/ Pas °" I // � r BoX (TBR) G�� +�� \ / PROP sAwcur
—°H��� .Q�� \ //%j0�� ps' A494,51 �.�PDi�ph� -- LOW —LOW— LIMIT OF WORK
2 q9J/e o` \�.�� R/M-t 4941� ,•�P PO _.
/NV-489,96 LOD LOD LIMIT OF DISTURBANCE
\ I Up ay \
T NS NO
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HYDR NT ��� ���v
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REVISIONS
DMWN
REV DATE COMMENT r
cHMIKEDecxeD BY
1 10/29/2021 PER ISP COMMENTS DSH
RTY
2 01/21/2022 PER COUNTY BSC
COMMENTS RTY
3 04/08/2022 PER COUNTY BSC
COMMENTS RTY
4 08/09/2022 PER COUNTY CDH
COMMENTS RTY
Know whars below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRAWNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 10/29/2021
CAD I.D.: DEMO -2
PROJECT:
SITE PLAN
DOCUMENTS
FOR
u1scouml
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
rG ACTH rim
RVAN YAULiER
Lie. No. 0402056625
6, 08/09/2022 j
SHEET TITLE:
EXISTING
CONDITIONS AND
DEMOLITION
PLAN
SHEET NUMBER:
C-201
REVISION 4 - 08/09/2022
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VIRGINIA UNIFORM CODING SYSTEM
FOR EROSION AND SEDIMENT CONTROL PRACTICES
NO. TITLE KEY SYMBOL
EROSION AND SEDIMENT
CONTROL NOTES:
1. SEE SHEET C-603 FOR SEQUENCE OF CONSTRUCTION.
2. OFFSITE BORROW OR HAUL TO BE FROM AN APPROVED SITE.
SOILS TABLE
SYMBOL
SOIL NAME
SLOPES
HSG
88
UDORTHENTS, LOAMY
2-25%
D
---- _ \��;. IP -/ l T / �i �I Y-
/ d N9,917,125
_
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LANDS �/�� I `�
W/LCOHESS AGE / /
/NV B9484.B6 �► �
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06100-00700-110D0 `` LEGEND
GHWAYVQVYERC/ALJ.,,. \ J / Ip -�//
USE. FOEL�STAT/dN. / �� / �\ a��l----- .--- PROPSAWCUT
T3H, g� °N/ R \
---- Oy ___ dff. , OA _, Y TM EX-1 "g _
\� A=0.07 AC. LOW —LOW —LIMIT OF WORK
;101 �r<y` 4z GP LOD LOD LIMIT OF DISTURBANCE
�
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\� 'PRORSAW CUT 0v `)\� O J\`^Q�(� EXISTING DRAINAGE DIVIDES
IN / IN
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REVISIONS
DRAWN BY
REV DATE COMMENT CHECI(EDBY
1 01/21/2022 PER COUNTY BSC
COMMENTS RTY
2 04/08/2022 PER COUNTY BSC
COMMENTS RTY
3 08/09/2022 PER COUNTY CDH
COMMENTS RTY
Know what's bBIDW.
Call before you dig.
ALWAYS CALL 811
k
'sfast. It's free. It's the law.
mm
PPROVED FOR
ONSTRUCTION
THIS DRAMNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: GRAD -1
PROJECT:
VIRGINIA
STORMINATER
MANAGEMENT
PLAN
FOR
®oac O uNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
! 1, .ALTH e�11
RTAN YAUL;ER
Lie. No. 0402056625
�, 08/09/2022 j
SHEET TITLE:
EROSION AND
SEDIMENT
CONTROL PLAN
PHASE I
SHEET NUMBER:
C-601
REVISION 3 - 08/09/2022
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, /
D.B. 1095 PG. 237 FOR EROSION AND SEDIMENT CONTROL PRACTICES
PIN.- 06100-00-00-120WO
ZONED. HC�COH/GHWAY
US: COMMERC/ALA NO. TITLE KEY SYMBOL
MMERC/AL
,
SAFETY FENCE SAF
TEMPORARY
CONSTRUCTIONSTONE
ROP. KEYSTONE RETAINING
WALL WITH SAFETY RAILINGX__1
/ 51 / HEIGHCOLORT PALOMINO(MAX.----------------
BY 50 -_-' - — / / / F3 SILT FENCE SF X X
1 HEIGHT: 4' TO DESIGNED
h�0 OTHERS_/
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06
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505_�� INLET PROTECTION
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REVISIONS
DRAWN BY
REV DATE COMMENT CHECI(EDBY
1 01/21/2022 PER COUNTY BSC
COMMENTS RTY
2 04/08/2022 PER COUNTY BSC
COMMENTS RTY
3 08/09/2022 PER COUNTY CDH
COMMENTS RTY
Know whaPs below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRAMNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DISH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: GRAD -1
PROJECT:
VIRGINIA
STORMINATER
MANAGEMENT
PLAN
FOR
®o�IaUNt
GOMM
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
! 1, .ALTH e�11
RTAN YAUL;ER
Lie. No. 0402056625
�, 08/09/2022 j
SHEET TITLE:
EROSION AND
SEDIMENT
CONTROL PLAN
PHASE It
SHEET NUMBER
C-602
REVISION 3 - 08/09/2022
EROSION AND SEDIMENT CONTROL NARRATIVE
DESCRIPTION OF SITE
THIS PROPERTY IS LOCATED ON AN COMMERCIAL PARCEL WITH AN EXISTING COMMERCIAL BUILDING AT 1636 SEMINOLE TRAIL IN ALBEMARLE COUNTY VIRGINIA. THIS PROJECT PROPOSES
TO REDEVELOP THE EXISTING PARCEL FOR A NEW COMMERCIAL BUILDING. THE SUBJECT PARCEL SITE IS 1.32 ACRES AND THE AREA OF LAND DISTURBANCE REQUIRED FOR PROPOSED
CONSTRUCTION IS APPROXIMATELY 1.31 ACRES. APPROXIMATELY 0.31 ACRES WILL BE PERMANENTLY SEEDED.
SEDIMENT CONTROL FOR THE PROPOSED CONSTRUCTION ACTIVITIES SHALL BE IN ACCORDANCE WITH THE POLICIES AND REQUIREMENTS OF THE VIRGINIA EROSION & SEDIMENT
CONTROL FIELD HANDBOOK. AS REQUIRED, THIS PLAN PROPOSES EROSION AND SEDIMENT CONTROL IN TWO SEPARATE PHASES. A CONSTRUCTION SEQUENCE IS PROVIDED DETAILING
THE PROPOSED PHASING OF EROSION AND SEDIMENT CONTROL BEFORE AND DURING CONSTRUCTION.
EXISTING SITE CONDITIONS
THE PROPOSED SITE IS AN EXISTING COMMERCIAL LOT WITH PAVED PARKING AND GRASS AREAS. THE EXISTING SLOPE RANGES FROM 2% TO 12%. THE SITE GENERALLY DRAINS FROM
NORTHWEST TO SOUTHEAST.
CRITICAL EROSION AREAS
THERE ARE NO CRITICAL EROSION AREAS KNOWN TO EXIST ON SITE.
ADJACENT PROPERTY
THE SITE FRONTS ON SEMINOLE TRAIL TO THE EAST AND IS SURROUNDED BY HIGHWAY COMMERCIAL ZONED PROPERTIES ON THE NORTH, SOUTH AND WEST.
ADEQUATE OUTFALL
ADEQUATE OUTFALL INFORMATION CAN BE FOUND IN THE STORMWATER MANAGEMENT PLAN.
OFFSITE AREAS
NO OFF -SITE AREAS REQUIRED FOR EXPORT OF MATERIALS ARE ANTICIPATED WITH THE PROJECT. IF EXCAVATED MATERIAL IS GENERATED IT SHALL BE DISPOSED OF IN A LAWFUL
MANNER AND THE CONTRACTOR SHALL COORDINATE THE HAUL ROUTE WITH THE JURISDICTIONAL INSPECTOR. IT IS THE CONTRACTORS RESPONSIBILITY TO ENSURE ALL OFF -SITE
HAUUBORROW AREAS ARE PROPERLY PERMITTED.
SOILS
THE SOILS ON -SITE, PER THE NRCS WEB SOIL SURVEY, ARE AS FOLLOWS:
88 - UDORTHENTS, LOAMY, 2-25 PERCENT SLOPES
HYDROLOGIC SOIL GROUP - D
SINKHOLES ARE NOT ANTICIPATED TO AFFECT THE SITE.
EROSION CONTROL PROGRAM
EROSION CONTROL SHALL BE MAXIMIZED THROUGH RAPID STABILIZATION OF THE DISTURBED AREAS AND BY INSTALLATION OF PERIMETER CONTROLS. NOT MORE THAN 7 CALENDAR
DAYS ARE TO ELAPSE WITH ANY DISTURBED AREA REMAINING DENUDED. TEMPORARY COVER, BY SEEDING AND/OR MULCHING, SHALL BE APPLIED TO AREAS THAT WILL BE EXPOSED FOR
A PERIOD OF GREATER THAN 7 DAYS, BEFORE PERMANENT STABILIZATION. PERMANENT COVER SHOULD BE PROVIDED OVER ALL DISTURBED AREAS AS SOON AS POSSIBLE UPON
ACHIEVING FINAL GRADE, BY MEANS OF SEEDING AND MULCHING, SODDING AND PEGGING, PAVING, OR AS OTHERWISE DIRECTED BY THE PLAN. LIKEWISE, ALL STOCKPILES SHALL BE
STABILIZED WITHIN 7 DAYS OF ACHIEVING FINAL GRADES. UTILITY TRENCHES SHALL BE SEEDED AND MULCHED WITHIN 7 DAYS AFTER BACKFILLING TO THE PROPOSED GRADE.
SEDIMENT CONTROL PROGRAM
SEDIMENT CONTROL SHALL BE ACCOMPLISHED THROUGH RAPID STABILIZATION AND BY THE INSTALLATION OF MECHANICAL DEVICES, AS SHOWN ON THE PHASE I PLAN:
STRUCTURAL PRACTICES
1. SAFETY FENCE -3.01
TO BE PROVIDED TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC.
2. CONSTRUCTION ENTRANCE - 3.02
TEMPORARY CONSTRUCTION ENTRANCES WITH WASH RACKS AND SETTLING AREAS ARE TO BE PROVIDED AT EACH POINT OF ACCESS TO THE SITE FOR THE DURATION OF
CONSTRUCTION. THE CONTRACTOR IS TO SUPPLY A WATER SOURCE BY PROVIDING A WATER TRUCK/WATER TANK ONSITE FOR WASHING CONSTRUCTION VEHICLES BEFORE
ENTERING THE PUBLIC ROAD.
3. SILT FENCE - 3.05
TO BE PROVIDED FOR INTERCEPTING AND DETAINING SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS TO PREVENT SEDIMENT FROM LEAVING THE SITE.
4. STORM DRAIN INLET PROTECTION - 3.07
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET.
5. TEMPORARY SEEDING - 3.31
ESTABLISHMENT OF TEMPORARY VEGETATIVE COVER BY SEEDING WITH APPROPRIATE RAPIDLY GROWING PLANTS ON DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL
GRADE FOR A PERIOD OF MORE THAN 14 DAYS.
6. PERMANENT SEEDING - 3.32
ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER BY PLANTING SEED ON ROUGH -GRADED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A YEAR OR MORE OR WHERE
PERMANENT, LONG-LIVED VEGETATIVE COVER IS NEEDED ON FINE -GRADED AREAS.
VEGETATIVE PRACTICES
1. SURFACE ROUGHENING - AREAS TO BE SEEDED SHALL BE LIGHTLY ROUGHENED AND LOOSE TO A DEPTH OF 2" TO 4" PRIOR TO SEEDING. AREAS WHICH HAVE BEEN GRADED AND
WILL NOT BE STABILIZED IMMEDIATELY MAY BE ROUGHENED TO REDUCE VELOCITY UNTIL SEEDING TAKES PLACE.
2. TOPSOILING (STOCKPILES) - TOPSOIL WILL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILE ARE TO BE LOCATED ON -SITE IN OPEN SPACE
AREAS, AS DEPICTED ON THE PLAN, ARE TO BE STABILIZED WITH TEMPORARY VEGETATION, AND ARE TO BE SURROUNDED AT THE BASE BY SUPER SILT FENCE.
3. TEMPORARY SEEDING - ALL DENUDED AREAS THAT WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION
IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR THAT IT IS APPLIED.
4. EROSION CONTROL BLANKETS OR MULCH - EROSION CONTROL BLANKETS WILL BE INSTALLED OVER FILL SLOPES WHICH HAVE BEEN BROUGHT TO FINAL GRADE AND SEEDED TO
PROTECT THE SLOPES FROM RILL AND GULLY EROSION AND ALLOW THE SEED TO GERMINATE PROPERLY. MULCH (STRAW OR FIBER) WILL BE USED ON RELATIVELY FLAT AREAS AND
WILL BE APPLIED AS A SECOND STEP IN THE SEEDING OPERATION.
ALL SILTATION CONTROL MEASURES ARE INTENDED TO PREVENT SEDIMENT FROM ENCROACHING INTO ENVIRONMENTALLY SENSITIVE AREAS OR ONTO ADJACENT PROPERTIES AND
ROADWAYS. THE FAUQUIER COUNTY INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE EROSION AND SEDIMENT CONTROLS IN THE FIELD AS SITE CONDITIONS WARRANT. IN ADDITION,
NO SEDIMENT TRAPS OR SEDIMENT BASINS MAY BE REMOVED WITHOUT THE PRIOR APPROVAL OF THE COUNTY INSPECTOR.
UNLESS OTHERWISE NOTED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM
STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCH). THE MINIMUM STANDARDS OF VESCH SHALL BE ADHERED TO UNLESS
OTHERWISE WAIVED OR APPROVED BY A VARIANCE.
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SEQUENCE OF CONSTRUCTION
PHASE I:
PHASE I OPERATIONS WILL INCLUDE THE INSTALLATION OF MEASURES TO CONTROL EROSION AND SILTATION ASSOCIATED WITH INITIAL CLEARING AND GRADING
OPERATIONS. AS REQUIRED, PHASE I CONTROLS SHALL BE ESTABLISHED IN A ONE (1) STEP PROCESS:
1. CONTRACTOR TO NOTIFY ALBEMARLE COUNTY AT LEAST 48 HOURS PRIOR TO THE START OF CONSTRUCTION AND OBTAIN A LAND DISTURBANCE PERMIT.
2. OWNER CONTRACTOR RESPONSIBLE LAND DISTURBER AND PROJECT ENGINEER SHALL ATTEND A PRE -CONSTRUCTION MEETING WITH THE COUNTY INSPECTOR
PRIOR TO STARTING ANY LAND DISTURBING ACTIVITIES. OBTAIN A GRADING PERMIT AND VDOT ENTRANCE PERMIT PRIOR TO THE PRE -CONSTRUCTION MEETING.
3. AREAS WHICH ARE TO BE DISTURBED SHALL BE CLEARLY MARKED IN THE FIELD.
4. INSTALL PERIMETER CONTROLS INCLUDING SILT FENCE AND SAFETY FENCE. INSTALL INLET PROTECTION.
5. INSTALL CONSTRUCTION ENTRANCE CE AS SHOWN ON PHASE I PLAN. PROVIDE THE CONSTRUCTION ENTRANCE WITH WASH RACKS THAT DRAIN TO AN
APPROPRIATE SETTLING AREA AND ESTABLISH A PROTECTED STAGING AND EQUIPMENT AREA. ALL HARD SURFACE ROADS SHALL BE CLEANED AT THE END OF THE
DAY AND SOURCE OF WATER SHALL BE ESTABLISHED ON SITE.
6. APPLY TEMPORARY STABILIZATION TO ALL DISTURBED AREAS IN ACCORDANCE WITH THE APPLICABLE MINIMUM STANDARDS FOUND IN 9VAC25-85040.
7. EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE INSPECTED AND REPAIRED AT THE END OF EACH DAY.
8. CONTRACTOR TO ENSURE THE THE COUNTY EROSION AND SEDIMENT CONTROL INSPECTOR HAS VERIFIED ALL PHASE I E&S MEASURES ARE CORRECTLY INSTALLED
AND PHASE I WORK IS COMPLETED PRIOR TO THE START OF PHASE 11.
PHASE II:
THE PHASE II SEDIMENT CONTROL MEASURES ARE INTENDED FOR THE FINAL STAGES OF SITE DEVELOPMENT. PHASE I CONTROL MEASURES, WHICH ARE NOT IN CONFLICT
WITH FINAL CONSTRUCTION AND PROVIDE EFFECTIVE CONTROL SHALL REMAIN IN PLACE FOR FINAL DEVELOPMENT. THE CONTRACTOR AND THE RESPONSIBLE LAND
DISTURBER SHALL FOLLOW THE COUNTY INSPECTOR'S DIRECTION IN PROVIDING ADDITIONAL CONTROL MEASURES NEEDED DURING THE DEVELOPMENT PROCESS, TO
ENSURE THAT SEDIMENT IS PREVENTED FROM POLLUTING OFF -SITE AREAS, STREAMS AND/OR PROTECTED ON -SITE AREAS.
1. INSTALL PHASE II SILT FENCE AND SAFETY FENCE AS SHOWN ON THE PHASE II E&S CONTROL PLAN.
2. BEGIN ROUGH GRADING.
3. TEMPORARILY STABILIZE THROUGHOUT CONSTRUCTION AND IMMEDIATELY FOLLOWING THE COMPLETION OF THE MOST RECENT LAND DISTURBING ACTIVITY ANY
DISTURBED AREAS INCLUDING MATERIALS STOCKPILES THAT ARE SCHEDULED OR LIKELY TO REMAIN INACTIVE FOR 7 DAYS OR MORE.
4. CONSTRUCT ENTRANCE AND PROPOSED PARKING AREAS.
5. INSTALL INLET PROTECTION AS REQUIRED AS PROPOSED UTILITIES ARE INSTALLED.
6. OBTAIN COUNTY E&S INSPECTORS APPROVAL PRIOR TO THE REMOVAL OF ANY SEDIMENT CONTROLS.
7. OBTAIN CONCURRENCE FROM THE INSPECTOR THAT THE SITE HAS BEEN FULLY STABILIZED AND ALL CONSTRUCTION HAS BEEN COMPLETED. STABILIZE ANY AREAS
DISTURBED BY THE REMOVAL OF TEMPORARY EROSION CONTROL MEASURES.
PERMANENT STABILIZATION
ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE DONE WITH
KENTUCKY 31 TALL FESCUE ACCORDING TO STD. & SPEC 3.32, PERMANENT SEEDING, OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. EROSION CONTROL
BLANKETS WILL BE INSTALLED OVER FILL SLOPES, WHICH HAVE BEEN BROUGHT TO FINAL GRADE AND HAVE BEEN SEEDED. THIS WILL PROTECT THE SLOPES FROM RILL
AND GULLY EROSION AND ALLOW THE SEED TO GERMINATE PROPERLY. MULCH (STRAW OR FIBER) WILL BE USED ON RELATIVELY FLAT AREAS. IN ALL SEEDING
OPERATIONS, SEED, FERTILIZER AND LIME WILL BE APPLIED PRIOR TO MULCHING. APPROXIMATELY 3.75 ACRES OF THE SUBJECT SITE SHALL BE PERMANENTLY SEEDED.
STREAM BANK STABILIZATION
STREAM BANK STABILIZATION IS NOT REQUIRED FOR THIS SITE.
STORMWATER RUNOFF CONSIDERATIONS
CALCULATIONS PROVIDED IN STORMWATER MANAGEMENT PLAN.
MAINTENANCE PROGRAM
IN GENERAL ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL EVENT. THE FOLLOWING MEASURES WILL
BE CHECKED IN PARTICULAR.
SAFETY FENCE: INSPECTIONS SHALL BE CONDUCTED REGULARLY TO CHECK FOR WEATHER -RELATED OR OTHER DAMAGE; REQUIRED REPAIRS SHALL BE MADE
IMMEDIATELY. ALL ACCESS POINTS MUST BE SECURE AT THE END OF EACH WORKING DAY AND LOCKING DEVICES MUST BE REPLACED OR REPAIRED AS NECESSARY.
CONSTRUCTION ENTRANCES: INSPECTIONS SHALL BE MADE DAILY FOR ENTRANCE INTEGRITY; REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. THE CONSTRUCTION
ENTRANCE IS TO BE REGULARLY MAINTAINED TO INCLUDE SCARIFICATION AND ADDITION OF FRESH STONE AS NEEDED.
SILT FENCE: INSPECTIONS SHALL BE MADE DAILY FOR FENCE INTEGRITY; REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. SEDIMENT IS TO BE REMOVED WHEN DEPOSITS
REACH ONE-HALF THE FENCE HEIGHT.
TEMPORARY AND PERMANENT SEEDING: SEEDED AREAS SHALL BE CHECKED REGULARLY TO ASSURE A GOOD STAND OF GRASS IS BEING MAINTAINED. AREAS THAT FAIL
TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION SHALL BE RE -SEEDED AS SOON AS THEY ARE IDENTIFIED.
NO UNPROTECTED, DISTURBED AREA SHALL DRAIN TO ROADWAY PAVEMENTS SUCH THAT THE SUB BASE, BASE, OR WEARING SURFACE ARE CONTAMINATED BY SILT
TRAPPED AT LOW POINTS OR INLETS.
DEVICES SHOWN ARE TO BE CONSIDERED AS MINIMUM EROSION AND SEDIMENTATION CONTROLS. ADDITIONAL CONTROLS MAY BE NECESSARY DUE TO CONTRACTOR'S
PHASING OR OTHER UNANTICIPATED CONDITIONS. IT IS THE CONTRACTOR'S RESPONSIBILITY TO PROVIDE ADDITIONAL DEVICES AS NECESSARY IN ORDER TO CONTROL
EROSION AND SEDIMENTATION. EROSION AND SEDIMENTATION MEASURES SHALL BE INSTALLED AND MAINTAINED IN ACCORDANCE WITH THE STANDARDS AND
SPECIFICATIONS IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, THIRD EDITION. THE CONTRACTOR IS TO PROVIDE ADEQUATE MEANS OF CLEANING AND
REMOVING ALL LAYING DUST AS NECESSARY BY APPLYING EITHER MOISTURE, CALCIUM CHLORIDE, OR OTHER APPROVED MATERIALS ALONG THOSE SECTIONS OF THE
PROJECT ADJACENT TO EXISTING DWELLINGS OR PUBLIC ACCESS. CONTROLS MAY BE REMOVED AFTER THE AREAS ABOVE THEM HAVE BEEN STABILIZED AND WITH THE
APPROVAL OF THE COUNTY INSPECTOR.
SPECIAL CARE NOTES
IT IS THE INTENT OF THIS PLAN TO PRECLUDE SEDIMENT POLLUTION FROM LEAVING THE DELINEATED CONSTRUCTION ZONES. THE CONTRACTOR AND THE RESPONSIBLE
LAND DISTURBER SHALL TAKE SPECIAL CARE TO PREVENT CONSTRUCTION DEBRIS AND MUD FROM BEING TRACKED ONTO SURROUNDING PUBLIC AND PRIVATE ROADS.
CONSTRUCTION TRAFFIC SHALL ONLY ENTER AND EXIT THE CONSTRUCTION SITE VIA DESIGNATED LOCATIONS, WHICH HAVE WORKING CONSTRUCTION TRAFFIC WASH
RACKS. THE CONTRACTOR AND RESPONSIBLE LAND DISTURBER SHALL TAKE SPECIAL CARE TO PROTECT THE EXISTING VEGETATION AND STREAMS OUTSIDE OF THE
DESIGNATED LIMITS OF WORK SHOWN ON THE PLANS.
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED
ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK.
2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF
LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.
3. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING AND GRADING.
4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLANS SHALL BE MAINTAINED ON THE SITE AT ALL TIMES.
5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR
WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN
APPROVING AUTHORITY.
6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT EROSION AND
SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY.
7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE
DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED.
8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE
9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY
REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
10. CONTRACTOR MUST CONTACT THE COUNTY ARBORIST PRIOR TO THE INSTALLATION OF TREE PROTECTION AND PLANT MATERIAL.
11. THE CONTRACTOR SHALL PROVIDE ADEQUATE MEANS OF CLEANING MUD FROM TRUCKS AND/OR OTHER EQUIPMENT PRIOR TO ENTERING THE PUBLIC RIGHT-OF-WAY.
IT IS THE CONTRACTOR'S RESPONSIBILITY TO CLEAR THE STREETS AND TAKE WHATEVER MEASURES NECESSARY TO ENSURE THAT THE STREETS ARE MAINTAINED IN
A CLEAN AND DUST -FREE CONDITION AT ALL TIMES.
12. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO PERFORM THE WORK IN SUCH A MANNER AS TO PREVENT THE WASHING OF ANY TOPSOIL OR DEBRIS ONTO
ADJACENT PROPERTIES.
UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA:
A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME.
B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES
C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND
DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY.
D. MATERIAL USED FOR BACK FILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION.
E. RE -STABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS.
F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH.
GENERAL LAND CONSERVATION & STABILIZATION NOTES:
1. NO DISTURBED AREA WHICH IS NOT ACTIVELY BEING WORKED SHALL REMAIN DENUDED FOR MORE THAN 7 CALENDAR DAYS UNLESS OTHERWISE AUTHORIZED BY THE
DIRECTOR.
2. ALL E&S CONTROL MEASURES APPROVED WITH THE PHASE I E&S CONTROL PLAN SHALL BE PLACED AS THE FIRST STEP IN GRADING.
3. ALL STORM AND SANITARY SEWER LINES NOT IN STREETS SHALL BE SEEDED AND MULCHED WITHIN 7 DAYS AFTER BACKFILL. NO MORE THAN 500' SHALL BE OPEN AT
ANY ONE TIME.
4. ELECTRIC, TELEPHONE AND GAS SUPPLY TRENCHES SHALL BE COMPACTED, SEEDED AND MULCHED WITHIN 7 DAYS AFTER BACKFILL.
5. ALL TEMPORARY EARTH BERMS, DIVERSIONS AND SEDIMENT CONTROL DAMS SHALL BE SEEDED AND MULCHED FOR TEMPORARY VEGETATIVE COVER IMMEDIATELY
(AS SOON AS POSSIBLE, BUT NOT LATER THAN 48 HORS) AFTER COMPLETION OF GRADING. STRAW OR HAY MULCH IS REQUIRED. ALL SOIL STOCKPILES SHALL BE
SEEDED AND MULCHED WITHIN 7 DAYS AFTER GRADING.
6. ANY DISTURBED AREA NOT COVERED BY NOTE #1 ABOVE AND NOT PAVED, SODDED OR BUILT UPON BY NOVEMBER 1, OR DISTURBED AFTER THAT DATE, SHALL BE
MULCHED IMMEDIATELY WITH HAY OR STRAW MULCH AT THE RATE OF 2 TONS/ACRE (4483 KG/HA) AND OVER -SEEDED BY APRIL 15.
7. AT THE COMPLETION OF ANY PROJECT CONSTRUCTION AND PRIOR TO BOND RELEASE, ALL TEMPORARY SEDIMENT CONTROLS SHALL BE REMOVED AND ALL DENUDED
AREAS SHALL BE STABILIZED.
8. CONTRACTOR TO PROVIDE DOCUMENTATION SHOWING SOURCE OF OFF -SITE FILL AND TESTING RESULTS TO GEOTECHNICAL ENGINEER TO DOCUMENT CAPABILITY
OF FILL TO MEET COMPACTION REQUIREMENTS.
MINIMUM STANDARDS
MS-1: FOLLOWING INITIAL SOIL DISTURBANCE OR REDISTURBANCE PERMANENT OR TEMPORARY STABILIZATION SHALL BE COMPLETED WITHIN: 1 SEVEN
CALENDAR DAYS AS TO THE SURFACE OF ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES, AND ALL SLOPES GREATER THAN 3 HORIZONTAL
TO 1 VERTICAL (3:1); AND 2) SEVEN DAYS AS TO ALL OTHER DISTURBED OR GRADED AREAS UPON REACHING FINAL GRADE OR THE SITE BEING IDLE.
MS-2: TEMPORARY SOIL STOCKPILES SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. PROVIDE TEMPORARY PROTECTION AND
PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS SOIL TRANSPORTED FROM THE PROJECT SITE.
MS-3: A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION
SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IN THE OPINION OF THE ARCHITECT/ENGINEER IS UNIFORM MATURE
ENOUGH TO SURVIVE AND WILL INHIBIT EROSION.
MS-4: SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED
AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE OR TIMBERING TAKES PLACE.
MS-5: STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION.
MS-6: SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP
OR BASIN.
A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY
CONTROL DRAINAGE AREAS LESS THAT THREE ACRES.
B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL
BE CONTROLLED TO ACCOMMODATE THE ANTICIPATED SEDIMENT LOADING FROM THE LAND -DISTURBING ACTIVITY. THE OUTFALL DEVICE OR SYSTEM
DESIGN SHALL TAKE INTO ACCOUNT THE TOTAL DRAINAGE AREA FLOWING THROUGH THE DISTURBED AREA TO BE SERVED BY THE BASIN.
MS-7: CUT AND FILL SLOPES SHALL BE CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND TO BE ERODING EXCESSIVELY
WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS
CORRECTED.
MS-8: CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT
CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE.
MS-9: WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED.
MS-10: ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT
ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT.
MS-11: BEFORE STORM WATER CONVEYANCE CHANNELS ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR
PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL.
MS-12: WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT
TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE MATERIAL SHALL BE USED FOR
THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NONERODIBLE COVER
MATERIALS.
MS-13: WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY
STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIALS SHALL BE PROVIDED.
MS-14: ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET.
MS-15: THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY FOLLOWING AFTER WORK IN THE WATERCOURSE IS COMPLETED.
MS-16: UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA
A. NO MORE THAN 500 LINEAR FEET OF TRENCH SHALL BE OPENED AT ONE TIME.
B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES.
C.EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND
DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFFSITE PROPERTY.
D. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS.
E. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH.
MS-17: WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL MADE TO MINIMIZE THE TRANSPORT OF
SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL
BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED
TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER.
MS-18: ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER
THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL AUTHORITY HAVING JURISDICTION. TRAPPED
SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO
PREVENT FURTHER EROSION AND SEDIMENTATION.
MS-19: PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE
DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION
IN ACCORDANCE WITH THE FOLLOWING STANDARDS AND CRITERIA:
A. CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED DIRECTLY INTO AN ADEQUATE NATURAL OR MAN-MADE
RECEIVING CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF IS DISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM
STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED.
B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED IN THE FOLLOWING MANNER:
(1) THE APPLICANT SHALL DEMONSTRATE THAT THE TOTAL DRAINAGE AREA TO THE POINTS OF ANALYSIS WITHIN THE CHANNEL IS ONE HUNDRED TIMES
GREATER THAN THE CONTRIBUTING DRAINAGE AREA OF THE PROJECT IN QUESTION; OR
(2) (A) NATURAL CHANNELS SHALL BE ANALYZED BY THE USE OF A TWO-YEAR STORM TO VERIFY THAT STORMWATER WILL NOT OVERTOP CHANNEL BANKS
NOR CAUSE EROSION OF CHANNEL BED BANKS.
(B) ALL PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS SHALL BE ANALYZED BY THE USE OF A TEN-YEAR STORM TO VERIFY THAT STORMWATER
WILL NOT OVERTOP ITS BANKS AND BY THE USE OF A TWO-YEAR STORM TO DEMONSTRATE THAT STORMWATER WILL NOT CAUSE EROSION OF
CHANNEL BED OR BANKS; AND
(C) PIPES AND STORM SEWER SYSTEMS SHALL BE ANALYZED BY THE USE OF A TEN-YEAR STORM TO VERIFY THAT STORMWATER WILL BE CONTAINED
WITHIN THE PIPE OR SYSTEM.
C. IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS OR PIPES ARE NOT ADEQUATE, THE APPLICANT
SHALL:
(1) IMPROVE THE CHANNELS TO A CONDITION WHERE A TEN-YEAR STORM WILL NOT OVERTOP THE BANKS AND A TWO-YEAR STORM WILL NOT CAUSE
EROSION TO THE CHANNEL BED OR BANKS; OR
(2) IMPROVE THE PIPE OR PIPE SYSTEM TO A CONDITION WHERE THE TEN-YEAR STORM IS CONTAINED WITHIN THE APPURTENANCES; OR
(3) DEVELOP A SITE DESIGN THAT WILL NOT CAUSE THE PRE -DEVELOPMENT PEAK RUNOFF RATE FROM A TWO-YEAR STORM TO INCREASE WHEN RUNOFF
OUTFALLS INTO A NATURAL CHANNEL OR WILL NOT CAUSE THE PRE -DEVELOPMENT PEAK RUNOFF RATE FROM A TEN-YEAR STORM TO INCREASE WHEN
RUNOFF OUTFALLS INTO A MAN-MADE CHANNEL; OR
(4) PROVIDE A COMBINATION OF CHANNEL IMPROVEMENT, STORMWATER DETENTION OR OTHER MEASURES WHICH IS SATISFACTORY TO THE
PLAN -APPROVING AUTHORITY TO PREVENT DOWNSTREAM EROSION.
D. THE APPLICANT SHALL PROVIDE EVIDENCE OF PERMISSION TO MAKE THE IMPROVEMENTS.
E. ALL HYDROLOGIC ANALYSES SHALL BE BASED ON THE EXISTING WATERSHED CHARACTERISTICS AND THE ULTIMATE DEVELOPMENT OF THE SUBJECT
PROJECT.
F. IF THE APPLICANT CHOOSES AN OPTION THAT INCLUDES STORMWATER DETENTION, HE SHALL OBTAIN APPROVAL FROM THE LOCALITY OF A PLAN FOR
MAINTENANCE OF THE DETENTION FACILITIES. THE PLAN SHALL SET FORTH THE MAINTENANCE REQUIREMENTS OF THE FACILITY AND THE PERSON
RESPONSIBLE FOR PERFORMING THE MAINTENANCE.
G. OUTFALL FROM A DETENTION FACILITY SHALL BE DISCHARGED TO A RECEIVING CHANNEL, AND ENERGY DISSIPATERS SHALL BE PLACED AT THE
OUTFALL OF ALL DETENTION FACILITIES AS NECESSARY TO PROVIDE A STABILIZED TRANSITION FROM THE FACILITY TO THE RECEIVING CHANNEL.
H. ALL ON -SITE CHANNELS MUST BE VERIFIED TO BE ADEQUATE.
I. INCREASED VOLUMES OF SHEET FLOWS THAT MAY CAUSE EROSION OR SEDIMENT ON ADJACENT PROPERTY SHALL BE DIVERTED TO A STABLE OUTLET,
ADEQUATE CHANNEL, PIPE OR PIPE SYSTEM, OR TO A DETENTION FACILITY.
J. IN APPLYING THESE STORMWATER MANAGEMENT CRITERIA, INDIVIDUAL LOTS OR PARCELS IN A RESIDENTIAL, COMMERCIAL OR INDUSTRIAL
DEVELOPMENT SHALL NOT BE CONSIDERED TO BE SEPARATE DEVELOPMENT PROJECTS. INSTEAD, THE DEVELOPMENT, AS A WHOLE, SHALL BE
CONSIDERED TO BE A SINGLE DEVELOPMENT PROJECT. HYDROLOGIC PARAMETERS THAT REFLECT THE ULTIMATE DEVELOPMENT CONDITION SHALL BE
USED IN ALL ENGINEERING CALCULATIONS.
K. ALL MEASURES USED TO PROTECT PROPERTIES AND WATERWAYS SHALL BE EMPLOYED IN A MANNER WHICH MINIMIZES IMPACTS ON THE PHYSICAL,
CHEMICAL AND BIOLOGICAL INTEGRITY OF RIVERS, STREAMS AND OTHER WATERS OF THE STATE.
L. ANY PLAN APPROVED PRIOR TO JULY 1, 2014, THAT PROVIDES FOR STORMWATER MANAGEMENT THAT ADDRESSES ANY FLOW RATE CAPACITY AND
VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS SHALL SATISFY THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR
NATURAL OR MAN-MADE CHANNELS IF THE PRACTICES ARE DESIGNED TO (1) DETAIN THE WATER QUALITY VOLUME AND TO RELEASE IT OVER 48 HOURS;
(11) DETAIN AND RELEASE OVER A 24-HOUR PERIOD THE EXPECTED RAINFALL RESULTING FROM THE ONE YEAR, 24-HOUR STORM; AND (111) REDUCE THE
ALLOWABLE PEAK FLOW RATE RESULTING FROM THE 1.5, 2, AND 10-YEAR, 24-HOUR STORMS TO A LEVEL THAT IS LESS THAN OR EQUAL TO THE PEAK
FLOW RATE FROM THE SITE ASSUMING IT WAS IN A GOOD FORESTED CONDITION, ACHIEVED THROUGH MULTIPLICATION OF THE FORESTED PEAK FLOW
RATE BY A REDUCTION FACTOR THAT IS EQUAL TO THE RUNOFF VOLUME FROM THE SITE WHEN IT WAS IN A GOOD FORESTED CONDITION DIVIDED BY THE
RUNOFF VOLUME FROM THE SITE IN ITS PROPOSED CONDITION, AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS
FOR NATURAL OR MAN-MADE CHANNELS AS DEFINED IN ANY REGULATIONS PROMULGATED PURSUANT TO § 62.144.15:54 OR 62.1-44.15:65 OF THE ACT.
M. FOR PLANS APPROVED ON AND AFTER JULY 1, 2014, THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS OF § 62.1-44.15:52 A OF THE ACT AND
THIS SUBSECTION SHALL BE SATISFIED BY COMPLIANCE WITH WATER QUANTITY REQUIREMENTS IN THE STORMWATER MANAGEMENT ACT (§ 62.1-44.15:24
ET SEQ. OF THE CODE OF VIRGINIA) AND ATTENDANT REGULATIONS, UNLESS SUCH LAND -DISTURBING ACTIVITIES (1) ARE IN ACCORDANCE WITH
PROVISIONS FOR TIME LIMITS ON APPLICABILITY OF APPROVED DESIGN CRITERIA IN 9VAC25-870-47 OR GRANDFATHERING IN 9VAC25-87048 OF THE
VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP) REGULATION, IN WHICH CASE THE FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS OF §
62.144.15:52 A OF THE ACT SHALL APPLY, OR (11) ARE EXEMPT PURSUANT TO § 62.1-44.15:34 C 7 OF THE ACT.
N. COMPLIANCE WITH THE WATER QUANTITY MINIMUM STANDARDS SET OUT IN 9VAC25-870-66 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM
(VSMP) REGULATION SHALL BE DEEMED TO SATISFY THE REQUIREMENTS OF THIS SUBDIVISION 19.
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REVISIONS
REV
DATE
COMMENT
1
01/21/2022
PER COUNTY COMMENTS
2
04/08/2022
PER COUNTY COMMENTS
JB
3
08/09/2022
PER COUNTY COMMENTS
ro
Know whars below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
IAPPROVED FOR
CONSTRUCTION
THIS DRAWNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: GRAD -1
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR
®oJJIc Nt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
TH
MN YAU>-iER
Lie. No. 0402056625
08/09/2022
SHEET TITLE:
EROSION AND
SEDIMENT
CONTROL
NOTES
SHEET NUMBER
C-603
REVISION 3 - 08/09/2022
0
0
w
N
SAFETY FENCE 3LAT
1 1 •tr
PERSPECTIVE VIEW
n
6q' q9 �■
m: .`x
I �
j
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t
t
PERSPECTIVE VIEW PERSPECTIVE VIEW
PLASTIC FENCE METAL FENCE
SOURCE: CONWED PLASTICS, VDOT ROAD AND BRIDGE STANDARDS, VA DSWC
1992 3.32
TABLE 332-11
SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA
Total lbs.
Per Acre
Minimum Care Lawn
- Commercial or Residential
175-200lbs-
- Kentucky 31 or Turf -Type Tall Fescue
95-100%
- Improved Perennial Ryegrass
01
- Kentucky Bluegrass
0-5%
High -Maintenance I awn
200-250 Cos.
- Kentucky 31 or Turf -Type Tall Fescue
t00%
General -Slope a I or less)
- Kentucky 31 Fescue
128 tbs.
- Red Top Grass
2 lbs.
- Seasonal Nurse [lop
0 lbs.
150 lbs.
Low -Maintenance Slope (Steelier than 3.1)
- Kentucky 31 Fescue
108 tbs.
- Red Top Grass
2 lbs.
- Seasonal Nurse Crop '
20 lbs.
- Crownvetch "
201bs,
L50 Tbs,
• Use seasonal nnrseCrop in accordance with seeding dates as stated below:
February 16th through April ......................
Annual Rye
May let through August 15th .....................
Foxmil Millet
August 16th through October ......................
Annual Rye
November through February 15th ...................
Winter Rye
•' Substitute Sericea lespedeza for Crownvetch east of
Farmvine, Va. (May
through September use hulled Sericea, all tither periods,
use caballed Sericea).
If Flatpea is used in lieu of Crownvetch, increase rate to 30lbs./acre. All legume
seed must be properly inoculated. Weeping Lovegrass may be added to any slope
or low -maintenance mu during warmer seeding periods;
add 10-20 Ills./acre in
mixes.
III - 303
BLOC & GRAVEL CURB INLET
SEDIMENT FALTER
CURB INIF
PLATE
3.07-8
Albemarle County Design Standards Manual - Engineering
STONE 7D' MIN.
CONSTRUCTION
ACCESS 3" SM-2A ASPHALT TOP
COURSE
72X 7 2%
S- MIN. 21A AGGREGATE BASE
STONE
CONSTRUCTION ASPHALT PAVED
ACCESS A WA$HRACN
EXISTING
2% 2% PAVEMENT
2% 12' MIN.• —
-MUST EXTEND FULL WIDTH R^! `POSITIVE DRAINAGE
OF INGRESS AND EGRESS TO SEDIMENT
OPERATION TRAPPING DEVICE
PLAN
I� 12' MIN.— POSITIVE DRAINn T'.I
_1O SEDIMENT
. TRAPPING UEVi,
FILTER CLOTH
SECTION A -A
A miniman water tap of I inch most be installed with a movintun 1 inch badcock
shtdoff calve nipphvtg a wash hose with a diameter of 1.5 itches for adequate
constant pressure. Wash water most be carried away from the enhance to To
approved settWt.ga1 ea to i euove sadtuait. AB serlatent shad be prevented D om
aMavAg storm fiaPtII` PAVED WASHRACK
1992 3.32
TABLE 3.32-E
QUALITY OF SEED*
Minimum Seed
Minimum
Jsplmca
Purity
Germination (%1
Crowrwetch
98
65"•
Lespedeza, Korean
97
85'•
Lespedeza, Sericea
Grasses
98
85"•
Bluegrass, Kentucky
97
85
Fescue, Tall (Improved,
Turf -Type Cultivates)
98
85
Fescue, Tall (Ky-31)
97
85
Fescue, Red
98
85
Redtop
94
80
Reed Canarygrass
98
80
Perennial Ryegrass
98
90
Weeping Lovegrass
98
87
Annuals
Annual Ryegrass
97
90
German Millet
98
85
Oats
98
80
Cereal Rye
98
85
' Seed containing prohibited
or restricted noxious weeds
should not be accepted.
Seed should not contain in excess of 0.5%weed seed.
To calculate percent pure,
live seed, multiply germination times purity and divide by 100.
ExamRla: Ky-31 Tall Fescue with a germination of 85 percent and a purity of
97 percent.
97 x 85 =
8245. 8245 = 100 = 82.45
percent pure live seed.
'• Includes "hard seed"
TYPICAL ORIENTATION OF PLATE
3,36-1
TREATMENT - I
(SOIL STABILIZATION BLANKET)
ON SHALLOW SCOPES, STRIPS OF
7M
NETTING PPOTECTII/E COI/LRINCS
h
t'` MAY BE APPLIED ACROSS THE
SLOPE.
—� BERM
WIRE SCREEN _�� CONCRETE B-OCK am,
WHERE THERE /S A BERM AT THE TOP OF THE SLOPE, GRAVEL FILTER BRING THE MATERIAL REP THE BERM AND ANCHORBEHIND THE BERM. gill
RUNOFF
WATER WITH OV-RFLOW FILTERED WATER
SEDIMENTS�
SEDIMENT } : —71
WIRF SCRFFN
2" X WOOD STUo CURD INL7
SPECIAL APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE AN OVERFLOW
CAPABILITY IS NECESSARY TO PREVENT EXCESSIVE PONDING IN FRONT OF THE STRUCTURE.
* GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE
SOURCE: VA DSWC
ON ST; (FP .90PFS APPLY
PROTECTNE COVERING PARALLEL
TO THE DIRECTION OF FLOW
AND ANCHOR SECURELY.
BRING MATERIAL DOWN TO A LEVEL AREA BEFORE 4
TERMINATING THE INSFALL4TION TURN THE END `
UNDER 4"AND SIAML Al 12" INILRVALS. `-72"
IN DITCHES, APPLY PROTECTIVE COVERING
PARALLEL TO THE 0/RECTION OF FLOW
USE CHECK SLOTS AS REGUIRfD AVOID
JOINING MATRIAL IN THE CENTER OF THE
DITCH IF AT ALL POSSIBLE
SOURCE: ADAPTED FROM LUDLOW PRODUCTS BROCHURE
Page 8 of 23
1992
Figure 3-9: Typical Detail for Concrete Wash -Out Area
STAKE
STRAW BALES
10 MIL PLASTIC LINING
VISIBLE SIGN
rnrrnre
STAKE - wasour
STRAW BALES 10 MIL PLASTIC aRa
/ � � LINING T
NATURAL GROUND r�
SECTION A - A VISIBLE SIGN
BELOW GROUND
STAKES
w �F 10 MIL PLASTIC x�
/ LINING
NATURAL GROUND
SECTIONA - A WOOD PLANKS
ABOVEGROUND
3.33 1992
TABLE 3.33•A
TYPE OF SOD AVAILABLE IN VIRGINIA
AND RECOMMENDED USES
Kentucky Bluegrass: Adapted to the Northern Piedmont and Mountain
Regions. Individual varieties selected must make up not less than 10%, nor
more than 35% of the total mixture on a weight basis. All varieties must be
certified. Selections can be made from Category I alone or various
combinations of Categories I, U and III, as noted.
Category I - Recommended Kentucky Bluegrass Varieties
65% - 100% A-34, Abbey, Aspen, Asset, Baron, Blacksburg,
Bristol, Cheri, Chateau, Classic, Coventry,
Georgetown, Glade, Haga, Julia, Liberty, Loft's
1757, Merit, Midnight, Monopoly, Plush, Princeton
104, Rugby, Suffolk, Victa
Category IT - Special use varieties. If used, must contain at least 6590
Category I varieties
Shade Tolerant
10-35% Bristol, Columbia, Georgetown, Glade, Midnight
Low -Maintenance Tolerant
101 Columbia, Georgetown, Monopoly, Ram I,
Touchdown, Victa
Category III - Promising Kentucky Bluegrass - Limited
performance data or seed availability
10-35% Dawn, Estate, Freedom, Kelly
"(continued)"
��r 1®� �❑�I 4����ill
• 1�I1 �( of
1
ti. rater
OVERFLOW
RUNOFF WATER
WITH SEDIMENT
CONSTRUCTION OF A SILT FENCE 3oA5E1
(WITH WIRE SUPPORT)
1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS.
TRENCH UPSLOPE ALONG THE LINE
OF POSTS.
j-�!It�ili �� /�111111
FLOW —iIfII
3. ATTACH THE FILTER FABRIC TO THE WIRE
FENCE AND EXTEND IT INTO THE TRENCH,
FLOW
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
SOURCE: ADAPTED FROM INSTALLATION OF STRAW AND FABRIC FILTER BARRIERS FOR
SEDIMENT CONTROL, SHERWOOD & WYANT
3.33 1992
TABLE 3.33-A (CONTINUED)
TYPE OF SOD AVAILABLE IN VIRGINIA AND RECOMMENDED USES
Tall Fescue: Adapted to the entire state.
Recommended Tall Fescue Varieties:
90-100%n Amigo,Apache, Bonanza, Chieftain,Finelawn 5GL,
Mesa, Rebel B, Shenandoah, Tribute
Promising Tall Fescues
Certified Arriba, Austin, Avanti, Aztec, _ Cochise, Crossfire,
Eldorado, Hubbard 87, Jaguar D, Maverick IT, Monarch, Olympic
IT, Phoenix, Safari, Shortstop, Sundance, Taurus, Thoroughbred,
Titan, Tradition, Vegas, Winchester, Wrangler -
0-10% Kentucky bluegrass: Baron, Cheri, Columbia,
Monopoly, Nassau, Ram L Victa
Bermudagrass: Tufeote is adapted to the Richmond -Danville -Newport News
triangle. Midiron may be used east of Roanoke and south of Charlottesville.
Tifgreen and Tifway may be used to the east and south of Richmond. Vamont
may be used east of Roanoke and at lower elevations in southwestern Virginia.
Certified Midiron, Tifgreen, Tifway, Tifway D, Tufcote and Vermont
Zoysfagrass: This sod performs best in southeastern Virginia.
Meyer, Emerald
Note: Common Bermudagoos is not recommended for sod production.
# Only recommended in southeastern Virginia.
Source: 1991 Virginia Turfgrass Variety Recommendations. Virginia Crop
Improvement Association
DROP INLET
WITH GATE
SEDIMENT
SPECIFIC APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY FLOWS ARE
EXPECTED AND WHERE AN OVERFLOW CAPACITY IS NECESSARY TO PREVENT
EXCESSIVE PONDING AROUND THE STRUCTURE.
' GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE.
SOURCE: VA DSWC
CONSTRUCTION OF A SILT FENCE 309E2
(WITHOUT WIRE SUPPORT)
1. SET THE STAKES.
6'NAX.
3. STAPLE FILTER MATERIAL
TO STAKES AND EXTEND
IT INTO THE TRENCH.
2. EXCAVATE A 4"X 4" TRENCH
UPSLOPE ALONG THE LINE OF
STAKES.
I
I
4'
4. BACKFlLL AND COMPACT
THE EXCAVATED SOIL.
y
nDw
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW) ,
POINTS A SHOULD BE
HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
SOURCE: ADAPTED FROM INSTALLATION OF STRAW AND FABRIC FILTER BARRIERS FOR
SEDIMENT CONTROL,VA. DSWC, SHERWOOD AND WYANT
TABLE 3.35-A
ORGANIC MULCH MATERIALS AND APPLICATION RATES
RATES:
MULCHES.
NOTES:
Per Acre
Per 1000 sq. ft.
Straw or Hay
1=, - 2 tons
70 - 90 lbs.
Free from weeds and coarse
(Minimum 2
matter. Must be anchored,
tons for
Spread with mulch blower
winter cover)
or by hand.
Fiber Mulch
Minimum
35 lbs.
Do not use as mulch for
1500 lbs.
winter cover or during hot,
dry periods.* Apply as
slurry.
Com Stalks
4 - 6 tons
185 - 275 lbs.
Cut or shredded in 4-6"
lengths. Air-dried. Do not
use in fine turf areas. Apply
with mulch blower or by
hand.
Wood Chips
4 - 6 tons
185 - 275 lbs.
Free of coarse matter. Air-
dried. Treat with 12 lbs
nitrogen per ton. Do not
use in fine turf areas. Apply
with mulch blower, chip
handler, or by hand.
Bark Chips
50 - 70 cu.
1-2 Cn, yds,
Free of coarse matter. Air -
or
yds.
dried. Do not use in fine
Shredded
turf areas. Apply with
Bark
mulch blower, chip handler,
or by hand.
" When fiber mulch is the only available mulch during periods when straw
should be used, apply at a minimum rate of 2000 lbs./ac. or 45 lbs./1000 sq. ft.
Source: Va. DSWC
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REVISIONS
DRAWN BY
REV DATE COMMENT CHECNEDBY
1 01/21/2022 COMMENTS RTY
2 04/08/2022 PER COUNTY BSC
COMMENTS RTY
3 08/09/2022 PER COUNTY CDH
COMMENTS RTY
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRAWING IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT III V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: GRAD -1
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR
®o�IaUNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
!;c.pLTH e�
MN YAUGER
Lie. No. 0402056625
08/09/2022
SHEET TITLE:
EROSION AND
SEDIMENT
CONTROL
DETAILS
SHEET NUMBER
C-604
REVISION 3 - 08/09/2022
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1 S S C♦ACOUISIT/O/VS INC.
D.B. �429 PG. y330 -
P/N.• 06100-00-00�'120DK,
ZOr1Y2�D.• HC (Hl('HWAY C0kWZ_RC%AL)
'' � `♦ USE.• SELf'`,S'TORAGE`♦ '\`- � � �`� � ��
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- ---_ - ', _-
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HC (Hives)' Orl'eA(,PF,'42)
FUEL :S'754AW 9
---- _-- ,
P012
\ \� j�l'; \ AREA=1.19AC
Q1= 3.90 CFS
\ - - _ _ ;�' ,♦ --- \ Q10=8.19CFS
10 20 10 0 40
1 "= 40'
ENERGY BALANCE
Site: Discount Tire Charlottesville
Jurisdiction: Albemarle County
Storm Event: 1 Year
24-Hour Rainfall Depth: 3.01"
Q, Flow (cfs) 0.29 3.90
CN. Cu ve Number 83 90
RV, Runoff Volume
Post -Development
Drainage Area (ac) 0.02 1.29
RV, Runoff Volume (ac-in) 0.03 3.04
Enemv Balance (EB)
1. F. * Q pre * RV pre 0.29 1 2.43 Q, Post-Dev Allowable (c%
RV post
PRE DEVELOPED DRAINAGE AREA
Notes:
1. Q Post-Dev must always be less than or equal to Q Pre-Dev
2. Q Post-Dev is not required to be less than that calculated in the equation (Q forest x RV forest) / RV Post-Dev
3. I.F. = 0.8 for sites > 1.0 acre, 0.9 for sites <- 1.0 acre
4. 24-Hour Rainfall Depth per NOAA Atlas 14 Precipitation Frequency Estimates
5. RV value calculated using Equation 12.15, Chapter 12 of Virginia Stormwater Management Handbook
O EXISTING IMPERVIOUS AREAS
O O 37,919 SF - 0.87 AC
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EXISTING PERVIOUS AREA
19,091 SF - 0.44 AC
\ LANDS N/F '
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D.B.
N
\ 1095 PG. 237
\ O P/N. 06100-00-00-12i2AD___,-
\ POI 1 ZONELT 'US' IOHWAY COMMERC/AL% /
\ US COMMERC/AL
O\ W E AREA = 0.02 AC
`A CN=80 O
\\ o Q1=0.04CFS
N Q10 = 0.11 CFS
I
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1 S S C♦ ACOUIS/T/O/VS INC.
D.B. `J429 PG. `> UO
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ZONED. HC (H/�hWAY COM,l9ERdAL) _ o • \
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♦ 505 ,
- 4 �� �•
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------ - ----
\ -------------- - Y i
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HC9Y`C[/`, 14
USE.. FUEL ST.4t4O
O'------- - -
\ \ AREA =1.29 AC
_ ♦`;♦ \ '', Q10 = 7.62 CFS '`; � /
--- ------- I ,
40 ` 20 10 0 40
POST DEVELOPED DRAINAGE AREA
r.= 40'
PROPSEO O O 43,815O
3,8 50SF D1 00 ACIMPERVIOUS AREAS 13,7756 SIF 0 32 AC
PROPOSED PERVIOUS AREA
SMRAMA TER MANAGEMENT NARRA T/VE
THE PROPOSED PROJECT IS FOR THE DEVELOPMENT OF A DISCOUNT TIRE STORE AND ASSOCIATED SITE IMPROVEMENTS. THE EXISTING PROPERTY IS CURRENTLY DEVELOPED AS A CLOSED FAST-FOOD RESTAURANT AND ADDITIONAL COMMERCIAL BUILDINGS IN THE REAR. THE TOTAL DISTURBED AREA IS 1.31
ACRES, WITHIN THIS AREA, THERE ARE 0.87 ACRES OF IMPERVIOUS AREA IN THE EXISTING CONDITION. THE POST DEVELOPMENT CONDITIONS WILL BE 78% (1.02 ACRES) IMPERVIOUS AND 22% (0.29 ACRES) PERVIOUS. THE SITE CONDITIONS WERE ANALYZED AT TWO POINTS OF INTEREST, POI 1 AND P012.
THE FIRST ANALYZED POINT OF INTEREST (POI 1) IS LOCATED TO THE NORTHWEST OF THE SITE THE SECOND ANALYZED POINT OF INTEREST (POI 2) IS LOCATED TO THE SOUTH OF THE SITE, ALONG SEMINOLE TRAIL, WHERE THE PROPOSED SITE RUNOFF CONVERGES AT THE SAME DOWNSTREAM POINT AND THE
REDUCTION OF RUNOFF WITHIN OUR DISTURBED AREA RESULTS IN AN IMPROVED DOWNSTREAM CONDITION.
WATER QUALITY REQUIREMENTS FOR THIS SITE WILL BE MET BY PURCHASING 0.66 LBS OF NUTRIENT OFFSET CREDITS.
WATER QUANTITY REQUIREMENTS WILL BE MET THROUGH THE USE OF A UNDERGROUND STORAGE CHAMBERS. THE CHAMBERS ARE AN ON -SITE DETENTION SYSTEM THAT UTILIZES A WEIR OUTFALL STRUCTURE. THIS MEASURE ATTENUATES THE POST DEVELOPMENT FLOWS TO MEET ENERGY BALANCE AND
FLOOD PROTECTION REQUIREMENTS.
THE PRE AND POST -DEVELOPMENT FLOW RATES FOR THE 1-YEAR, 2-YEAR AND 10-YEAR STORM EVENTS FOR THIS SITE WERE CALCULATED USING THE SCS METHOD IN THE PROGRAM AUTOCAD HYDRAFLOW HYDROGRAPHS.
TO CALCULATE THE RUNOFF REDUCTION REQUIRED TO MEET THE ENERGY BALANCE REQUIREMENTS, CURVE NUMBERS WERE CALCULATED USING VALUES FROM SCS TABLE 2.2A, RUNOFF CURVE NUMBERS FOR URBAN AREAS. RAINFALL DEPTHS USED TO CALCULATE FLOWS WERE TAKEN FROM NOAAATLAS 14.
THE PRE -DEVELOPMENT FLOW RATES ARE SHOWN BELOW: THE POST -DEVELOPMENT FLOW RATES ARE SHOWN BELOW:
POI 1 POI 2 POI 1 POI 2
1-YEAR CFS: 0.294 1-YEAR CFS: 3.904 1-YEAR CFS: 0.043 1-YEAR CFS: 2.119
2-YEAR CFS: 0.400 2-YEAR CFS: 5.004 2-YEAR CFS: 0.059 2-YEAR CFS: 3.573
10-YEAR CFS: 0.719 10-YEAR CFS: 8.185 10-YEAR CFS: 0.111 10-YEAR CFS: 7.618
AS SHOWN IN THE POST DEVELOPED DRAINAGE PLAN ABOVE, THE RUNOFF FROM THE 1-YEAR, 2-YEAR AND 10-YEAR STORM EVENTS HAS BEEN REDUCED IN THE POST -DEVELOPMENT CONDITION TO LEVELS BELOW THE PRE -DEVELOPMENT CONDITION THEREFORE MEETING THE FLOOD PROTECTION
REQUIREMENT.
AS SHOWN ON THE ENERGY BALANCE CALCULATIONS ON THIS SHEET, THE REDUCTION IN THE POST DEVELOPMENT FLOWS ARE SUFFICIENT TO SATISFY THE ENERGY BALANCE EQUATION, THEREFORE MEETING THE CHANNEL PROTECTION REQUIREMENTS FOR THE SITE.
THE ALLOWABLE RELEASE RATE FOR ENERGY BALANCE WAS CALCULATED TO BE 2.43 CFS. THE COMBINED RELEASE RATE OF THE UNDERGROUND DETENTION SYSTEM WAS CALCULATED TO BE 2.12 CFS.
THEREFORE, BECAUSE BOTH FLOOD PROTECTION AND CHANNEL PROTECTION REQUIREMENTS HAVE BEEN MET FOR THE SITE, ALL STORMWATER QUANTITY REQUIREMENTS HAVE BEEN MET AND NO FURTHER CALCULATIONS ARE REQUIRED.
BEST MANAGEMENT PRACTICES NARRATIVE
SINCE THE SUBJECT SITE IS AN EXISTING DEVELOPED SITE, WATER QUALITY REQUIREMENTS FOR THE DEVELOPMENT OF THIS SITE WERE CALCULATED USING THE VIRGINIA RUNOFF REDUCTION METHOD (VRRM) REDEVELOPMENT SPREADSHEET. USING THIS SPREADSHEET IT WAS DETERMINED THAT THE
DEVELOPMENT OF THIS SITE WOULD REQUIRE THE TREATMENT OF AN ADDITIONAL 0.66 LB/YR OF PHOSPHOROUS REMOVAL.
TO MEET THIS REMOVAL REQUIREMENT, NUTRIENT OFFSET CREDITS WILL BE PURCHASED. SINCE THE PHOSPHOROUS REMOVAL ACHIEVED BY THESE CREDITS MEETS THE AMOUNT REQUIRED BY THE VRRM REDEVELOPMENT SPREADSHEET, ALL STORMWATER QUALITY REQUIREMENTS FOR THIS PROJECT HAVE
BEEN MET AND NO FURTHER ANALYSIS IS REQUIRED.
CONCLUSION
SINCE THE 1-YEAR, 2-YEAR, AND 10-YEAR FLOW RATES IN THE POST -DEVELOPED CONDITION MEET ENERGY BALANCE AND FLOOD PROTECTION, IN ADDITION TO THE PHOSPHOROUS REMOVAL RATE MEETING THE VRRM REDEVELOPMENT PHOSPHOROUS REMOVAL REQUIREMENT, IT IS THE OPINION OF THE
ENGINEER THAT THE STORMWATER QUANTITY AND QUALITY REQUIREMENTS ARE SATISFIED FOR THIS PROJECT.
ADEQUATE OUTFALL NARRATIVE
THE EXISTING SITE GENERALLY DRAINS TO THE SOUTH INTO EXISTING STORM INLETS ALONG THE EDGES OF THE SITE. THE RUNOFF IS THEN ROUTED EAST ALONG SEMINOLE TRAIL WHERE ALL OF THE SITE RUNOFF CONVERGES AT THE EXISTING STRUCTURE NOTED AS EX-1. THE PROPOSED DEVELOPMENT
CAPTURES AND DETAINS THE SITE RUNOFF BEFORE IT IS RELEASED AT POI-2 AT A RATE WHICH IS LESS THAN THE EXISTING CONDITION. SINCE THE OVERALL FLOWS TO POI-1 AND POI-2 AND ALL DOWNSTREAM STRUCTURES ARE REDUCED FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS, THIS OUTFALL IS
CONSIDERED ADEQUATE. AS SUCH, IT IS THE OPINION OF THE ENGINEER THAT ADEQUATE OUTFALL REQUIREMENTS HAVE BEEN MET FOR THE SUBJECT SITE.
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REVISIONS
REV
DATE
COMMENT
mm w
CHECx By
1
01/21/2022
PER COUNTY
COMMENTS
BSC
RTY
2
04/OS/2022
PER COUNTY
COMMENTS
BSC
RTY
3
08/09/2022
PER COUNTY
COMMENTS
CDH
RTY
Know whars below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRAWNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: DRIN A
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR
01scauNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
!;� XLTH e�
MN YAU>-iER
Lie. No. 0402056625
6, 08/09/2022 j
SHEET TITLE:
STORMWATER
COMPLIANCE
PLAN
SHEET NUMBER:
C-901
REVISION 3 - 08/09/2022
N
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W
z
3
a
y
z
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❑
a
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data input cells
Project Name:
Discount Tire Charlottesville
constant values
Date:
10/18/2021
Linear Development Project? No
calculation cells
iSite Information
Post -Development Project (Treatment Volume and Loads)
Enter Total Disturbed
Area (acres) 411.31
Check
BMP Design Specifications List.
2013 Draft Stds & S ecs
reductionMaximum
Linear project?
No
The site's net increase in impervious
cover
r
Land cover areas entered correctly?
• . • .. Load
r®
Total disturbed area entered?
Pre-ReDevelopment Land Cover (acres)
A Solis
B Solis
C Soils
D Soils
Totals
Forest/Open Space (acres) - undisturbed
forest/open space
0.00
Managed Turf (acres) -- disturbed, graded for
yards or other turf to be mowed/managed
0.43
0.43
Impervious Cover (acres)
0.88
0.88
1.31
Post -Development Land Cover (acres)
A Soils
B Soils
C Soils
D Soils
Totals
Forest/Open Space (acres) -- undisturbed,
protected forest/open space or reforested land
0.00
Managed Turf (acres) -- disturbed, graded for
yards or other turf to be mowed/managed
0.29
0.29
Impervious Cover (acres)
1.02
1.02
Area Check
OK.
OK.
OK.
OK.
1.31
Constants
Runoff Coefficients (Rv)
Annual Rainfall (inches)
43
A Soils
B Soils
C Soils
D Soils
Target Rainfall Event (inches)
1.00
Forest/Open Space
0.02
0.03
0.04
0.05
Total Phosphorus (TP) EMC (mg/L)
0.26
1 Managed Turf
0.15
0.20
0.22
0.25
Total Nitrogen (TN) EMC (mg/L)
1.86
Impervious Cover
0.95
0.95
0.95
0.95
Target TP Load (lb/acre/yr)
0.41
Pj (unitless correction factor)
0.90
LAND COVER SUMMARY -- PRE
-REDEVELOPMENT•
Land Cover Summary -Post (Final)
Post ReDev. & New Impervious
Forest/Open Space
COVER SUMMARY POST DEVELOPMENT
Land Cover Summary -Post
Post-ReDevelopment
Forest/Open Space
Land Cover Summary -Post
Post -Development New Impervious
Land Cover Summary -Pre
Pre-ReDevelopment
Listed
Adjusted'
Forest/Open Space Cover (acres)
0.00
0.00
0.00
0.00
Cover (acres)
Weighted Rv(forest) 0.00
% Forest 0%
Managed Turf Cover
Cover (acres)
Weighted Rv(forest) 0.00
% Forest 0°%
Managed Turf Cover
,,,,,,;;;;;;;,,,,,,,,,,,,,,,;;;;;;;;;;;,,,,,
Weighted Rv(forest)
0.00
0.00
% Forest
0%
0%
Managed Turf Cover (acres)
0.43
0.29
0.29
0.29
(acres)
Weighted Rv (turf) 0.25
%Managed Turf 22%
Impervious Cover 1.02
(acres)
Weighted Rv (turf) 0.25,
%Managed Turf 25%
ReDev. Impervious 0.88
New Impervious Cover 0.14
Weighted Rv(turf)
0.25
0.25
%Managed Turf
33%
25%
Impervious Cover (acres)
0.88
0.88
(acres)
Rv(impervious) 0.95
%Impervious 78%
Cover (acres)
Rv(impervious) 0.95
%Impervious 75°%
Total ReDev. Site Area
(acres)
Rv(impervious) 0.95
Rv(impervious)
0.95
0.95
%Impervious
67%
75%
Total Site Area (acres)
1.31
1.17
Final Site Area (acres) 1.31
1.17
Final Post Dev Site Rv 0.80
(acres)
ReDev Site Rv 0.78
Site Rv
0.72
0.78
Treatment Volume and Nutrient Load
Treatment
Volume and Nutrient Load
Final Post-
Post-ReDevelopment
Post -Development
Pre-ReDevelopment Treatment Volume
Development
0.0786
0.0757
0.0868
Treatment Volume 0.0757
Treatment Volume 0.0111
(acre-ft)
Treatment Volume
(acre-ft)
(acre-ft)
(acre-ft)
Final Post-
Post-ReDevelopment
Post -Development
Pre-ReDevelopment Treatment Volume
Development
3,425
3,298
3,781
Treatment Volume 3,298
Treatment Volume (cubic 483
(cubic feet)
Treatment Volume
(cubic feet)
feet)
(cubic feet)
Final Post-
Post-ReDevelopment
Pre-ReDevelopment TP Load
Post -Development TP
2.15
2.07
Development TP Load
2.38
Load (TP) 2.07
0.30
(Ib/yr)
Load (Ib/yr)
(Ib/yr)
(Ib/yr)*
Post-ReDevelopment TP
Pre-ReDevelopment TP Load per acre
Final Post -Development TP
(lb/acre/yr)
1.64
1.77
Load per acre
1.81
Load per acre 1.77
(lb/acre/yr)
(lb/acre/yr)
Baseline TP Load (lb/yr)
Max. Reduction Required
(0.41 Ibs/acre/yr applied to pre -redevelopment area excluding pervious
0.48
(Below Pre-
20%
land proposed for new impervious cover)
ReDevelopment Load)
r
Adjusted Land Cover Summary:
Pre ReDevelopment land cover minus pervious land cover (forest open space or
TP Load Reduction
Required for
0.41
TP Load Reduction
Required for New
0.25
managed turf) acreage proposed for new impervious cover.
Redeveloped Area
Impervious Area (Ib/yr)
(lb/yr)
Adjusted total acreage is consistent with Post-ReDevelopment acreage (minus
acreage of new impervious cover).
Column I shows load reduction requriement for new impervious cover (based on new
development load limit 0.41 Ibs/acre/year).
Post -Development
TP Load Reduction Required (Ib/yr) 0.66
Nitrogen Loads (Informational Purposes Only)
Final Post -Development TN Load
Pre-ReDevelopment TN Load (lb/yr)
15.39
(Post-ReDevelopment & New
16.99
Impervious) (lb/yr)
ELEV = 498.
RIM OF STRUCTURE
ELEV = 498.
RIM OF STRUCTURE
11111
°
1111
IIIIIII�IIE
d
O � d
I-1 H.
__
I-1II-1I1=1
d
-1I-1I1
-III -I
INSIDE CEILING= 494.90 1I-1I1-1I1
I I I-1I1-1I
_I
III -III
11-1
6
i
_I -III -III
-1 I I-1 11-1 I
. °
6'
-1
-III
SOLID PRE CAST
-
III-I
10YR-WSEL=494.09
CONCRETE WALLS - -III- I'
10YR-WSEL=494.09
I I-1 I
_ _ _ _ _
(TYP.)
_ _ _ -�]
2YR-WSEL= 493.53
.2YR-WSEL=493.53 a
1YR-WSEL= 49327
6"CONC. WALL
_d _ _�
-
- - - - - -
TOP = 494.00
- - - - - 1 `l`R WAS L = 493i -
1.5'WEIR AT 492.8d
- -
°
"0OWE 1.5'WEIR AT 492.80FL
IN
12" O.C.(TYP.) M.H.
a _ d
\rJ STEPS/LADDER
° B d
RUNGS STANDARD
- - °
d-
c
CONC. WALL -
�6"
a d d ° ,aT- A
15"RCP
a, .7!�
\
OUTFALL
/ °
d
V
dl d
a dl )-
/ a
.d
CEILING = 494.90
'ORIFICE (INV.=490.90)
TOR TO ENSURE TRASH RACK
ARE s 1/2")
°
INV=490.90 15" RCP d INV.= 490.90
= 490.80 OUTFACE a _
4 a - 6" REINF. CONC.
PROP TRASH RACK FOOTING SECTION A -A
2-3" LOW FLOW ORIFICES (CONTRACTOR TO ENSURE TRASH PROP TRASH RACK
(INV.=490.90) ROCK OPENINGS ARE s 1/2")
OUTLET STRUCTURE DETAIL - STRUCTURE A-20
NOT TO SCALE
NOTE: CONTRACTOR TO SUBMIT SHOP DRAWINGS TO ENGINEER FOR REVIEW AND APPROVAL PRIOR TO
CONSTRUCTION.
Virginia Runoff Reduction Method Worksheet
DEQ Virginia Runoff Reduction Method Re -Development Compliance Spreadsheet - Version 3.0
BMP Design Specifications List: 2013 Draft Stds & Specs
Site Summary
Project Title: Discount Tire Charlottesville
Date: 44487 Total Rainfall (in): 43
Total Disturbed Acreage: 1.31
Site Land Cover Summary
Pre-ReDevelopment Land Cover (acres)
A soils
B Soils
C Soils
D Soils
Totals
% of Total
Forest/Open (acres)
0.00
0.00
0.00
0.00
0.00
0
Managed Turf (acres)
0.00
0.00
0.00
0.43
0.43
33
Impervious Cover (acres)
0.00
0.00
0.00
0.88
0.88
67
1.31
100
Post-ReDevelopment Land Cover (acres)
A soils
B Soils
C Soils
D Soils
Totals
% of Total
Forest/Open (acres)
0.00
0.00
0.00
0.00
0.00
0
Managed Turf (acres)
0.00
0.00
0.00
0.29
0.29
22
Impervious Cover (acres)
0.00
0.00
0.00
1.02
1.02
78
1.31
100
Site Tv and Land Cover Nutrient Loads
Final Post -Development
Post-
Post-
Adjusted Pre-
(Post-ReDevelopment
Development
& New Im
Impervious)
p 1
ReDevelopment
(New Impervious)
ReDevelopment
Site Rv
0.80
0.78
0.95
0.78
Treatment Volume (ft3)
3,781
3,298
1 483
1 3,298
TP Load (lb/yr)
2.38
12.07
1 0.30
12.07
Total TP Load Reduction Required (lb/yr) 0.66 0.41 0.25
Final Post -Development Load
(Post-ReDevelopment & New Impervious)
Pre-
ReDevelopment
TN Load (lb/yr)
16.99
15.39
Pre-
Final Post -Development
Post-ReDevelopment TP
ReDevelopment
TP Load per acre
Load per acre
TP Load per acre
(Ib/acre/yr)
(Ib/acre/yr)
(lb/acre/yr)
1.77
1.81
1.77
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Site Compliance Summary
Maximum % Reduction Required Below 20%
Pre-ReDevelopment Load
Total Runoff Volume Reduction (ft3)
0
Total TP Load Reduction Achieved (lb/yr)
0.00
Total TN Load Reduction Achieved (lb/yr)
0.00
Remaining Post Development TP Load
(lb/yr)
2.38
Remaining TP Load Reduction (lb/yr)
Required
0.66
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REVISIONS
REV
DATE
COMMENT
HECKEDY
CHECKED BY
PER COUNTY
BSC
1
01/21/2022
COMMENTS
RTY
PER COUNTY
BSC
2
04/08/2022
COMMENTS
RTY
PER COUNTY
CDH
3
08/09/2022
COMMENTS
RTY
il&-
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRAWING IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: DRIN -1
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR
F7310UNT
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA22901
BOHLER//
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA 23146
Phone: (804)893-8200
VA@BohierEng.com
!:aALTH e^
Lie. No. 0402056625
6, 08/09/2022
SHEET TITLE:
STORMWATER
COMPLIANCE
PLAN
SHEET NUMBER
C-902
REVISION 3 - 08/09/2022
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Watershed Model Schematic HydraflowHydrographs Extension for Autodesk®Civil 3D®byAutodesk, Inc. v202O
2
Hydrograph Report
Hydrograph Report 3
4
Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 1
POI-1 Pre
Hydrograph type = SCS Runoff Peak discharge = 0.294 cfs
Storm frequency = 1 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 594 cuft
Drainage area = 0.120 Be Curve number = 83*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (Tc) = 5.00 min
Total precip. = 3.01 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 2
POI-1 Post
Hydrograph type = SCS Runoff Peak discharge = 0.043 cfs
Storm frequency = 1 yrs Time to peak = 718 min
Time interval = 2 min Hyd. volume = 86 cuft
Drainage area = 0.020 Be Curve number = 80*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (Tc) = 5.00 min
Total precip. = 3.01 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3M by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 3
POI-2 Pre
Hydrograph type = SCS Runoff Peak discharge = 3.904 cfs
Storm frequency = 1 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 8,072 cuft
Drainage area = 1.190 Be Curve number = 90*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (Tc) = 5.00 min
Total precip. = 3.01 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
2 ^
Yi
V0.40
g
` Composite (Area/CN) _ [(0.100 x 80) + (0.020 x 98)] 10.120
P0I-1 Pre
Q (Cfs) Hyd. No. 1 --1 Year Q (cfs)
` Composite (Area/CN) _ [(0.020 x 80)] / 0.020
P0I-1 Post
Q (cfs) Hyd. No. 2 -- 1 Year Q (cfs)
` Composite (Area/CN) _ [(0.330 x 80) + (0.860 x 98)] 11.190
P0I-2 Pre
Q (cfs) Hyd. No. 3 --1 Year Q (Cfs)
0.50
0.50
0.10
0.10
4.00
4.00
0.45
0.45
0.09
0.09
0.40
0.08
0.08
3.00
3.00
0.35
0.35
0.07
0.07
0.30
0.30
0.06
0.06
0.25
0.25
0.05
0.05
2.00
2.00
0.20
0.20
0.04
0.04
0.15
0.16
0.03
0.03
1.00
1.00
l
0.10
0.10
0.02
0.02
0.05
0.05
0.01
0.01
LEI
E4
0.00
0.00
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
- Hyd No. 1
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 2
0 120 240 360 480 600 720 840 960 1080 1200 1320
Time (min)
-Hyd No. 3
Project: Quantity.gpw
Wednesday, 04 / 612022
Hydrograph Report 5
Hydrograph Report 6
Hydrograph Report 7
Hydrograph Report $
Hydraflow Hydrographs Extension for Autodesk® Civil 300 by Autodesk, Inc. v2020 Wednesday, 04/6/2022
Hyd. No. 4
POI-2 to Underground
Hydrograph type = SCS Runoff Peak discharge = 4.670 cfs
Storm frequency = 1 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 10,210 cult
Drainage area = 1.220 Be Curve number = 95*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (Tc) = 5.00 min
Total precip. = 3.01 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2020 Wednesday, 04 /6/2022
Hyd. No. 5
POI-2 Undetained
Hydrograph type = SCS Runoff Peak discharge = 0.149 cfs
Storm frequency = 1 yrs Time to peak = 718 min
Time interval = 2 min Hyd. volume = 300 cult
Drainage area = 0.070 Be Curve number = 80
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (Tc) = 5.00 min
Total precip. = 3.01 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3130 by Autodesk, Inc. v2020 Wednesday, 04 /6/2022
Hyd. No. 6
Offsite Detained
Hydrograph type = SCS Runoff Peak discharge = 0.021 cfs
Storm frequency = 1 yrs Time to peak = 718 min
Time interval = 2 min Hyd. volume = 43 cult
Drainage area = 0.010 Be Curve number = 80
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (Tc) = 5.00 min
Total precip. = 3.01 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Offsite Detained
Q (cfs) Hyd. No. 6 --1 Year Q (cfs)
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04/6/2022
Hyd. No. 7
Detained
Hydrograph type = Combine Peak discharge = 4.691 cfs
Storm frequency = 1 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 10,253 cult
Inflow hyds. = 4, 6 Contrib. drain. area = 1.230 ac
Detained
Q (Cfs) Hyd. No. 7 --1 Year Q (cfs)
` Composite (Area/CN) _ [(0.200 x 80) + (1.020 x 98)] 11.220
P0I-2 to Underground
Q (Cfs) Hyd. No. 4 --1 Year Q (Cfs)
P0I-2 Undetained
Q (cfs) Hyd. No. 5 --1 Year Q (cfs)
5.00
5.00
0.50
0.50
0.10
0.10
5.00
5.00
0.45
0.45
0.09
0.09
4.00
4.00
0.40
0.40
0.08
0.08
4.00
4.00
0.35
0.35
0.07
0.07
3.00
3.00
0.30
0.30
0.06
0.06
3.00
3.00
0.25
0.05
0.05
0.25
2.00
2.00
0.20
0.20
0.04
0.04
2.00
2.00
0.15
0.15
0.03
0.03
1.00
1.00
0.10
0.10
0.02
0.02
1.00
1.00
0.05
0.05
0.01
0.01
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200
Time (min)
-Hyd No. 7 -Hyd No. 4 -Hyd No. 6
o.o0 0.00
0 120 240 360 480 600 720 840 960 1080 1200
Time (min)
- Hyd No. 4
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 5
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 6
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REVISIONS
REV
DATE
COMMENT
HM EDr
cxecxeo er
1
01/21/2022
PER COUNTY
COMMENTS
BSC
RTY
2
04/08/2022
PER COUNTY
COMMENTS
BSC
RTY
3
08/09/2022
PER COUNTY
COMMENTS
CDH
RTY
ro
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DR YANG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: DRIN A
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR -
®oJluuNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
LTH OF
O
y
V N YA R V,
Lie. No. 0402056625 Ar
08/09/2022
SHEET TITLE:
STORMWATER
COMPLIANCE
PLAN
SHEET NUMBER:
C-903
REVISION 3 - 08/09/2022
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9
Hydrograph Report
Pond Report 10
11
Hydrograph Report
12
Hydrograph Report
HydraFlow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v202O Wednesday, 04 16 / 2022
Pond No. 1 - Storage
Pond Data
Pond storage is based on user -defined values.
Stage / Storage Table
Stage ff Elevation ft Contour area s ft Incr. Storage tuft Total storage tuft
000 490.90 n/a 0 0
0.25 491.15 n/a 134 134
050 491.40 n/a 238 372
075 491.65 n/a 297 669
1 00 491.90 n/a 339 1,007
1 25 492.15 n/a 368 1,376
1.50 492.40 n/a 389 1,765
1.75 492.65 n/a 403 2,167
2.00 492.90 n/a 400 2,567
2.25 493.15 n/a 418 2,985
2.50 493.40 n/a 403 3,388
2.75 493.65 n/a 389 3,777
3.00 493.90 n/a 368 4,145
125 494.15 n/a 339 4,484
150 494.40 Ma 297 4,781
175 494.65 n/a 238 5,018
4.00 494.90 n/a 134 5,152
Hydragow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 8
POI-2 Detained
Hydrograph type =Reservoir Peak discharge = 2.041 cfs
Storm frequency = 1 yrs Time to peak = 722 min
Time interval = 2 min Hyd. volume = 10,249 cult
Inflow hyd. No. = 7 -Detained Max. Elevation = 493.13 ft
Reservoir name = Storage Max, Storage = 2,959 cult
HydraFlow Hydrographs Extension for Autodesk® Civil 3D@ by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 9
POI-2 Post
Hydrograph type =Combine Peak discharge = 2.119 cfs
Storm frequency = 1 yrs Time to peak = 722 min
Time interval = 2 min Hyd, volume = 10,548 cult
Inflow hyds. = 5, 8 Contrib. drain. area = 0.070 Be
HydraFlow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 1
POI-1 Pre
Hydrograph type =SCS Runoff Peak discharge = 0.400 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 811 tuft
Drainage area = 0.120 ac Curve number = 83*
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of cone. (To) = 5.00 min
Total precip, = 3.65 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
P0I-2 Post
0 (Cfs) Hyd. No. 9 --1 Year Q (ors)
Storage Indication method used.
POI-2 Detained
Q (ems) Hyd. No. 8 --1 Year Q (cfs)
• Composite (Arsa/CN) • [(0.100 x 80) + (0.020 x 98)] 10.120
POI-1 Pre
Q (cfe) Hyd. No. 1 -- 2 Year Q (cfs)
0.50 0.50
Culvert Orifice Structures Weir Structures
[A] IS) [C] IPrfRsr] [A] [S] [C] [D]
Rise (in) - 16.00 4.00 Inactive Inactive Crest Len (ft) = 4.50 1.50 0.00 0.00
Span (In) = 15.00 4.00 0.00 0.00 Crest El. (it) = 494,00 492.80 0,00 0.00
No. Barrels = 1 2 0 0 Weir Coeff. = 3.33 333 3,33 3.33
Invert El. (it) - 490.80 490.90 0.00 0.00 Weir Type = 1 Rest -- --
Length (ft) = 83.89 0.00 0.00 0.00 Multi -Stage = Yes Yes No No
Slope (%) = 1.08 0.00 0.00 We
N-value - .013 .013 .013 nla
Orifice Coeff. = 0.80 0.80 0.60 0.60 Exfll.(In/hr) = 0.000 (by Wet area)
Multistage = n/a Yea No No TW Elev. (ft) = 0.00
5.00
5.00
3.00
3.00
0.45
0.40
0.45
0.40
4.00
4.00
2.00
2.00
0.35
0.35
Note: CUIwNOrna euMowa ere erwl}zed antler Inlet (ic)antl outlet(m) central. Weir Jaen chocked for ariRm conditions (le)antl eubmeryenm (a).
Stage (ft) Stage / Discharge Elev (ft)
4.00 494.90
3.00
3.00
0.30
0.30
0.25
0.25
2.00
2.00
0.20
0.20
3.00
493 90
1.00
1.00
0.15
_
0.15
0.10
0.10
1.00
0.00
1.00
0.00
2.00
492.90
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 9 -Hyd No. 5 -Hyd No. 8
0.05
0.05
low
--- - --
0.009�4L] 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
-Hyd No. 1 Time (min)
1.00
491.90
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
- Hyd No. 8 -Hyd No. 7 ®Total storage used = 2,959 tuft
-
0.00 490.90
0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 11.00
- Total Q Discharge (cfs)
Hydrograph Report 73
Hydrograph Report 14
Hydrograph Report 15
Hydrograph Report 16
Hydragow Hydrographs Extension for Autodesk® Civil 3D@ by Autodesk, Inc. v2020 Wednesday, 04 /6/2022
Hyd. No. 2
POI-1 Post
Hydrograph type = SCS Runoff Peak discharge = 0.059 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 120 cult
Drainage area = 0.020 Be Curve number = 80*
Basin Slope = 0.0 % Hydraulic length = 0 ft
To method = User Time of cone. (To) = 5.00 min
Total precip. = 3.65 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydragow Hydrographs Extension for Autodesk® Civil 3130 by Autodesk, Inc. v2020 Wednesday, 04/6/2022
Hyd. No. 3
POI-2 Pre
Hydrograph type = SCS Runoff Peak discharge = 5.004 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 10,483 cult
Drainage area = 1.190 Be Curve number = 90*
Basin Slope = 0.0 % Hydraulic length = 0 ft
To method = User Time of cone. (To) = 5.00 min
Total precip. = 3.65 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydragow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04/6/2022
Hyd. No. 4
POI-2 to Underground
Hydrograph type = SCS Runoff Peak discharge = 5.775 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 12,814 cult
Drainage area = 1.220 ac Curve number = 95*
Basin Slope = 0.0 % Hydraulic length = 0 ft
To method = User Time of cone. (To) = 5.00 min
Total precip. = 3.65 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
HydraFlow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 /6/2022
Hyd. No. 5
POI-2 Undetained
Hydrograph type = SCS Runoff Peak discharge = 0.207 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 418 tuft
Drainage area = 0.070 Be Curve number = 80
Basin Slope = 0.0 % Hydraulic length = 0 ft
To method = User Time of cone. (To) = 5.00 min
Total precip. = 3.65 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
` Composite (Area/CN) _ [(0.020 x 80)] / 0.020
P0I-1 Post
Q (cfs) Q (cfs)
Hyd. No. 2 -- 2 Year
` Composite (Area/CN) _ [(0.330 x 80) + (0.860 x 98)] 11.190
P0I-2 Pre
Q (cfs) Q (cfs)
Hyd. No. 3 -- 2 Year
" Composite (Area/CN) _ [(0.200 x 80) + (1.020 x 98)] / 1.220
Q (cfs) P H to Underground Q (cfs)
Hyd. No. 4 -- 2 Year
Q (cfs) - Undetained Q (cfs)
Hyd. No. 5 -- 2 Year
0.10
0.10
6.00
6.00
6.00
6.00
0.50
0.50
0.09
0.09
0.45
0.45
5.00
5.00
5.00
5.00
0.08
0.08
0.40
0.40
0.07
0.07
0.35
0.35
4.00
4.00
4.00
4.00
0.06
0.06
0.30
0.30
0.05
0.05
3.00
3.00
3.00
3.00
0.25
0.25
0.04
0.04
0.20
0.20
2.00
2.00
2.00
2.00
0.03
0.03
0.15
0.15
Ilk
0.02
0.02
0.10
0.10
1.00
1.00
1.00
1.00
0.01
0.01
0.05
0.05
0.00
0.00
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200
Time (min)
-Hyd No. 4
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 5
o.o0 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
- Hyd No. 2
0 120 240 360 480 600 720 840 960 1080 1200 1320
Time (min)
-Hyd No. 3
2
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REVISIONS
REV
DATE
COMMENT
DcAWN r
cHMNEDecsED BY
1
01/21/2022
PER COUNTY
COMMENTS
BSC
RTY
2
04/08/2022
PER COUNTY
COMMENTS
BSC
RTY
3
08/09/2022
PER COUNTY
COMMENTS
CDH
RTY
ro
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRNWNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DISH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: DRIN A
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR -
® jluuNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
LTH OF
O
y
V N YA R V,
Lie. No. 0402056625
08/09/2022
SHEET TITLE:
STORMWATER
COMPLIANCE
PLAN
SHEET NUMBER:
C-904
REVISION 3 - 08/09/2022
N
3
w
3
a
N
z
Z
3
0
a
U
Hydrograph Report 77
Hydrograph Report 18
Hydrograph Report 19
Hydrograph Report 20
HydraFlow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 6
Offsite Detained
Hydrograph type = SCS Runoff Peak discharge = 0.030 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 60 cuft
Drainage area = 0.010 ac Curve number = 80
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of conc. (Tc) = 5.00 min
Total precip. = 3.65 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
HydraFlow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 7
Detained
Hydrograph type = Combine Peak discharge = 5.805 cfs
Storm frequency = 2 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 12,874 cuft
Inflow hyds. = 4, 6 Contrib. drain. area = 1.230 ac
HydraFlow Hydrographs Extension for Autodesk® Civil 300 by Autodesk, Inc. v2020 Wednesday, 04 16 / 2022
Hyd. No. 8
POI-2 Detained
Hydrograph type = Reservoir Peak discharge = 3.452 cfs
Storm frequency = 2 yrs Time to peak = 722 min
Time interval = 2 min Hyd. volume = 12,870 cuft
Inflow hyd. No. = 7 -Detained Max. Elevation = 493.41 ft
Reservoir name = Storage Max. Storage = 3,402 cuft
Hydraflow Hydrographs Extension for Autodesk® Civil 308 by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 9
POI-2 Post
Hydrograph type = Combine Peak discharge = 3.573 cfs
Storm frequency = 2 yrs Time to peak = 720 min
Time interval = 2 min Hyd. volume = 13,289 cuft
Inflow hyds. = 5, 8 Contrib. drain. area = 0.070 ac
Detained
Q (cfs) Hyd. No. 7 -- 2 Year Q (cfs)
P0I-2 Post
Q (cfs) Hyd. No. 9 -- 2 Year Q (cfs)
Storage Indication method used.
P0I-2 Detained
Q (cfs) Hyd. No. 8 -- 2 Year Q (cfs)
Offsite Detained
Q (afs) Hyd. No. 6 -- 2 Year Q (cfs)
0.10
0.10
6.00
6.00
6.00
6.00
4.00
4.00
0.09
0.09
5.00
5.00
5.00
5.00
0.08
0.08
3.00
3.00
0.07
0.07
4.00
4.00
4.00
4.00
0.06
0.06
0.05
0.05
3.00
3.00
3.00
3.00
2.00
2.00
0.04
0.04
2.00
1.00
2.00
1.00
2.00
2.00
0.03
0.03
1.00
1.00
0.02
0.02
1,00
1.00
0.01
0.01
0.00 f 6 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 9 -Hyd No. 5 -Hyd No. 8
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200
Time (min)
-Hyd No. 7 -Hyd No. 4 -Hyd No. 6
0.00
1
0.00
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
- Hyd No. 6
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560
Time (min)
-Hyd No. 8 -Hyd No. 7 0 Total storage used = 3,402 tuft
Hydrograph Report 21
Hydrograph Report 22
Hydrograph Report 23
Hydrograph Report za
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 1
POI-1 Pre
Hydrograph type = SCS Runoff Peak discharge = 0.719 cfs
Storm frequency = 10 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 1,486 cult
Drainage area = 0.120 aC Curve number = 83"
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of conc. (Tc) = 5.00 min
Total precip. = 5.51 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 2
POI-1 Post
Hydrograph type = SCS Runoff Peak discharge = 0.111 cfS
Storm frequency = 10 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 227 tuft
Drainage area = 0.020 ac Curve number = 80`
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of conc. (Tc) = 5.00 min
Total precip. = 5.51 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v202O Wednesday, 0416 / 2022
Hyd. No. 3
POI-2 Pre
Hydrograph type = SCS Runoff Peak discharge = 8.185 cfs
Storm frequency = 10 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 17,696 cult
Drainage area = 1.190 aC Curve number = 90'
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of conc. (Tc) = 5.00 min
Total precip. = 5.51 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v202O Wednesday, 04 / 6 / 2022
Hyd. No. 4
POI-2 to Underground
Hydrograph type = SCS Runoff Peak discharge = 8.953 cfs
Storm frequency = 10 yrs Time to peak = 716 min
Time interval = 2 min Hyd. volume = 20,448 cult
Drainage area = 1.220 aC Curve number = 95'
Basin Slope = 0.0 % Hydraulic length = 0 ft
Tc method = User Time of conc. (Tc) = 5.00 min
Total precip. = 5.51 in Distribution = Type II
Storm duration = 24 hrs Shape factor = 484
` Composite (Area/CN) _ [(0.100 x 80) + (0.020 x 98)] 10.120
P0I-1 Pre
Q (cfs) Hyd. No. 1 -- 10 Year Q (cfs)
` Composite (Area/CN) _ [(0.020 x 80)] / 0.020
P0I-1 Post
Q (cfs) Hyd. No. 2 -- 10 Year Q (cfs)
` Composite (Area/CN) _ [(0.330 x 80) + (0.860 x 98)] 11.190
P0I-2 Pre
Q (cfs) Hyd. No. 3 -- 10 Year Q (cfs)
` Composite (Area/CN) _ [(0.200 x 80) + (1.020 x 98)] 11.220
P0I-2 to Underground
Q (cfs) Hyd. No. 4 -- 10 Year Q (cfs)
1.00
1.00
0.50
0.50
10.00
10.00
10.00
10.00
0.90
0.90
0.45
0.45
0.80
0.80
0.40
0.40
8.00
8.00
8.00
8.00
0.70
0.70
0.35
0.35
0.60
0.60
0.30
0.30
6.00
6.00
6.00
6.00
0.50
0.50
0.25
0.25
0.40
0.40
0.20
0.20
4.00
4.00
4.00
4.00
0.30
0.30
0.15
0.15
0.20
0.20
0.10
0.10
2.00
2.00
2.00
2.00
0.10
0.10
0.05
0.05
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200
Time (min)
-Hyd No. 3
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200
Time (min)
-Hyd No. 4
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320
Time (min)
-Hyd No. 2
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320
Time (min)
- Hyd No. 1
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REV
DATE
COMMENT
HM EDr
cxecxeD er
1
01/21/2022
PER COUNTY
COMMENTS
BSC
RTY
2
04/08/2022
PER COUNTY
COMMENTS
BSC
RTY
3
08/09/2022
PER COUNTY
COMMENTS
CDH
RTY
ro
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DR YANG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DISH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: DRIN A
PROJECT:
VIRGINIA
STORMINATER
MANAGEMENT
PLAN
FOR -
® jluuNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
LTH OF
y
V N YA R y
LiC. No. 0402056625
08/09/2022��
�ONALE�G
SHEET TITLE:
STORMWATER
COMPLIANCE
PLAN
SHEET NUMBER:
C-905
REVISION 3 - 08/09/2022
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Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v202O
Wednesday, 04 / 6 / 2022
Hyd. No. 7
Detained
Hydrograph type
= Combine
Peak discharge
= 9.008 cfs
Storm frequency
= 10 yrs
Time to peak
= 716 min
Time interval
= 2 min
Hyd. volume
= 20,562 cult
Inflow hyds.
= 4, 6
Contrib. drain. area
= 1.230 ac
Q (cfs)
10.00
. 11
4.00
2.00
0.00
0 120
- Hyd No. 7
Detained
Hyd. No. 7 -- 10 Year
240 360 480
- Hyd No. 4
600 720
- Hyd No. 6
840 960
Q (cfs)
10.00
4.00
2.00
0.00
1080 1200
Time (min)
25
Hydrograph Report
Hydraflow HydrotImphs Extension for Autodesk(g) Civil 3138 by Autodesk, Inc. v2020
Wednesday, 0416 / 2022
Hyd. No. 5
POI-2 Undetained
Hydrograph type
= SCS Runoff
Peak discharge
= 0.390 cfs
Storm frequency
= 10 yrs
Time to peak
= 716 min
Time interval
= 2 min
Hyd. volume
= 796 cult
Drainage area
= 0.070 ac
Curve number
= 80
Basin Slope
= 0.0 %
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.00 min
Total precip.
= 5.51 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
0 120 240
Hyd No. 5
P0I-2 Undetained
Hyd. No. 5 -- 10 Year Q (Cfs)
360 480 600
Hydrograph Report
26
Hydrograph Report
Hydraflow Hydrographs Extension for Autodesk® Civil 3130 by Autodesk, Inc. v2020
Wednesday, 04 / 6 / 2022
Hyd. No. 6
Offsite Detained
Hydrograph type
= SCS Runoff
Peak discharge
= 0.056 cfs
Storm frequency
= 10 yrs
Time to peak
= 716 min
Time interval
= 2 min
Hyd. volume
= 114 cult
Drainage area
= 0.010 ac
Curve number
= 80
Basin Slope
= 0.0 %
Hydraulic length
= 0 ft
Tc method
= User
Time of conc. (Tc)
= 5.00 min
Total precip.
= 5.51 in
Distribution
= Type II
Storm duration
= 24 hrs
Shape factor
= 484
Offsite Detained
Q (cfs) Hyd. No. 6 -- 10 Year Q (cfs)
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00 .
720 840 960 1080 1200 1320 0 120 240 360 480 600 720 840 960 1080 1200 1320
Time (min) Time (min)
Hyd No. 6
Hydraflow Hydrographs Extension for Autodesk® Civil 3D® by Autodesk, Inc. v2020
Hyd. No. 8
POI-2 Detained
Hydrograph type
= Reservoir
Storm frequency
= 10 yrs
Time interval
= 2 min
Inflow hyd. No.
= 7 -Detained
Reservoir name
= Storage
Storage Indication method used
Q (cfs)
10.00
B 11
2.00
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0 00
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0 00
28 Hydrograph Report 29
Wednesday, 04 16 / 2022 Hydaflow Hydrographs Extension for Autodesk® Civil 3138 by Autodesk, Inc. v2020 Wednesday, 04 / 6 / 2022
Hyd. No. 9
POI-2 Post
Peak discharge
= 7.315 cfs
Hydrograph type
= Combine
Peak discharge
= 7.618 cfs
Time to peak
= 720 min
Storm frequency
= 10 yrs
Time to peak
= 720 min
Hyd. volume
= 20,558 cult
Time interval
= 2 min
Hyd. volume
= 21,354 cult
Max. Elevation
= 494.01 ft
Inflow hyds.
= 5, 8
Contrib. drain. area
= 0.070 ac
Max. Storage
= 4,299 cult
P0I-2 Detained
Hyd. No. 8 -- 10 Year
Q (cfs)
10.00
4.00
2.00
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
- Hyd No. 8 Hyd No. 7 Time (min)
y ®Total storage used = 4,299 tuft
Q (Cfs
8.00
. 1/
4.00
2.00
POI-2 Post
Hyd. No. 9 -- 10 Year
Q (cfs)
8.00
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REVISIONS
REV
DATE
COMMENT
DRAWN sr
CHM EDBY
PER COUNTY
BSC
1
01/21/2022
COMMENTS
RTY
PER COUNTY
BSC
2
04/08/2022
COMMENTS
RTY
PER COUNTY
CDH
3
08/09/2022
COMMENTS
RTY
1
ti
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRAWNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DISH
CHECKED BY: RTY
DATE: 8/27/20 11
CAD I.D.: DRIN A
PROJECT:
VIRGINIA
STORMINATER
MANAGEMENT
PLAN
FOR
®o04couNT
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER// I
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
!;c.pLTH e�
v RTAN YAU>-iER
4.00 Lic. No. 0402056625
104L:08/0912022 4
2.00
0.00 0.00
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
Time (min)
- Hyd No. 9 - Hyd No. 5 - Hyd No. 8
SHEET TITLE:
STORMWATER
COMPLIANCE
PLAN
SHEET NUMBER
C-906
REVISION 3 - 08/09/2022
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PROJECT SUMMARY
CALCULATION DETAILS
• LOADING = HS20/HS25
STORAGE SUMMARY
• PIPE STORAGE VOLUME = 5,152 CF
• BACKFILL STORAGE VOLUME =O OF
• TOTAL STORAGE PROVIDED = 5,152 OF
PIPE DETAILS
• DIAMETER = 48"
• CORRUGATION = 2 211
GAGE =16
• COATING =ALT2
• WALL TYPE = SOLID
• BARREL SPACING on 24"
NOTES
• ALL RISER AND STUB DIMENSIONS ARE TO
CENTERLINE. ALL ELEVATIONS, DIMENSIONS, AND
LOCATIONS OF RISERS AND INLETS, SHALL BE
VERIFIED BY THE ENGINEER OF RECORD PRIOR TO
RELEASING FOR FABRICATION.
• ALL FITTINGS AND REINFORCEMENT COMPLY WITH
ASTM A998.
• ALL RISERS AND STUBS ARE 2%"x 2"CORRUGATION
AND 18 GAGE UNLESS OTHERWISE NOTED.
• RISERS TO BE FIELD TRIMMED TO GRADE.
• QUANTITY OF PIPE SHOWN DOES NOT PROVIDE
EXTRA PIPE FOR CONNECTING THE SYSTEM TO
EXISTING PIPE OR DRAINAGE STRUCTURES. OUR
SYSTEM AS DETAILED PROVIDES NOMINAL INLET
AND/OR OUTLET PIPE STUB FOR CONNECTION TO
EXISTING DRAINAGE FACILITIES, IFADDITIONAL PIPE
IS NEEDED IT IS THE RESPONSIBILITY OF THE
CONTRACTOR.
• BAND TYPE TO BE DETERMINED UPON FINAL DESIGN.
• THE PROJECT SUMMARY IS REFLECTIVE OF THE
DYODS DESIGN, QUANTITIES ARE APPROX. AND
SHOULD BE VERIFIED UPON FINAL DESIGN AND
APPROVAL. FOR EXAMPLE, TOTAL EXCAVATION DOES
NOT CONSIDER ALL VARIABLES SUCH AS SHORING
AND ONLY ACCOUNTS FOR MATERIAL WITHIN THE
ESTIMATED EXCAVATION FOOTPRINT.
• THESE DRAWINGS ARE FOR CONCEPTUAL PURPOSES
AND DO NOT REFLECT ANY LOCAL PREFERENCES OR
ASSEMBLY
REGULATIONS. PLEASE CONTACT YOUR LOCAL
CONTECH REP FOR MODIFICATIONS.
SCALE: 1" = 11
P'"I+l_.,00irev°iemmxm,ry
e= EP,
C�MTECH
AEI/��ITCAu°
48"O UNDERGROUND DETENTION SYSTEM --
P0.NELYNa.:
T986
SOYNO MITE:
12T29 1/iT2°R2
mwo p
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D RIGNm
DR WN
mw ;;Caro
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ENGINEERED SOLUTIONS UC
CMP DETENTION SYSTEMS
DISCOUNT TIRE - CHARLOTTESVILLE
DYO
DYp
Ann
www.ContechES.com
9025 Centre Pointe Dr. Suite 400 West Chester ON 45069
CONTECH
DYODS
CHARLOTTESVILLE, VA
CHECKE➢:
DYO
APPROVED,
DYO
_
a
contain
�mi=.00un%Aasrrw
SITE DESIGNATION:
SHEET No.:
.�q n
800.338-1122 513-845-]000 513-845-]993 FAX
DRAWING
1
DATE
REVISION DESCRIPTION
BY
m.n„au msm,w". ee "m...
TEMPORARY COVER FOR
CONSTRUCTION LOADS
HEIGHT
OF
COVER
FINISHED
GRADE
FOR TEMPORARY CONSTRUCTION VEHICLE LOADS, AN EXTRA AMOUNT OF COMPACTED COVER MAY BE REQUIRED OVER
THETOPOFTHEPIPE. THE HEIGHT -OF -COVER SHALL MEET THE MINIMUM REQUIREMENTS SHOWN IN THE TABLE BELOW.
THE USE OF HEAVY CONSTRUCTION EQUIPMENT NECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED
GRADE COVER MINIMUMS FOR NORMAL HIGHWAY TRAFFIC,
PIPE SPAN,
AXLE LOADS (kips)
INCHES18-50
s 75 75-11
MINIMUM
COVER
(FT)
2.0
2.6
3.0
3.0
12.42
48-72
3.0
3.a
3.5
4.0
78-120
3.0
3.5
4A
4.0
120.144
3.5
4.0
4.6
4.5
'MINIMUM COVER MAY VARY, DEPENDING ON LOCAL CONDITIONS. THE CONTRACTOR MUST PROVIDE THE ADDITIONAL
COVER REQUIRED TOAVOID DAMAGE TO THE PIPE. MINIMUM COVER IS MEASURED FROM THE TOP OF THE PIPE TO
THE TOP OF THE MAINTAINED CONSTRUCTION ROADWAY SURFACE.
CONSTRUCTION LOADING DIAGRAM
SCALE: N.T.S.
GASKET MATERIAL
SUFFICIENT TO PREVENT
SLAB FROM BEARING ON
RISER TO BE PROVIDED BY
CONTRACTOR.
#4 DIAGONAL TRIM
BAR (TYR 4 PLACES),
SEE NOTE 7.
OPENING IN
PROTECTION
SLAB FOR
CASTING
SCOPE
PIPE
THIS SPECIFICATION COVERS THE MANUFACTURE AND INSTALLATION OF
THE PIPE SHALL BE MANUFACTURED IN ACCORDANCE TO THE APPLICABLE
THE DESIGNED DETENTION SYSTEM DETAILED IN THE PROJECT PLANS.
REQUIREMENTS LISTED BELOW:
MATERIAL
ALUMINIZED TYPE 2: AASHTO MlORASTM A-700
THE MATERIAL SHALL CONFORM TO THE APPLICABLE REQUIREMENTS
LISTED BELOW:
GALVANIZED: AASHTO M-36 ORASTM A-780
ALUMINIZED TYPE 2 STEEL COILS SHALL CONFORM TO THE
ARRDLIVAEFECOATED: AASHTO M-245 ORASTM A-762
REQUIREMENTS OFAASHTO M-274 OR ASTM A•92.
ALUMINUM: AASHTO M-196 ORASTM B445
THE GALVANIZED STEEL COILS SHALL CONFORM TO THE
APPLICABLE
REQUIREMENTS OFAASHTO M418 ORASTM A-929.
}DANDLING AND ASSEMBLY
SHALL BE IN ACCORDANCE WITH NOSE'S (NATIONAL CORRUGATED STEEL
THE POLYMER COATED STEEL COILS SHALL CONFORM TO THE
ARRBEAB6DCIATION) FOR ALUMINIZED TYPE 2, GALVANIZED OR POLYMER
REQUIREMENTS OFAASHTO M-246 ORASTM A-742,
COATED STEEL. SHALL BE IN ACCORDANCE WITH THE MANUFACTURER'S
RECOMMENDATIONS FORALUMINUM PIPE.
THE ALUMINUM COILS SHALL CONFORM TO THE APPLICABLE
REQUIREMENTS
OF AASHTO M-197 OR ASTM B-744.
INSTALLATION
SHALL BE IN ACCORDANCE WITH AASHTO STANDARD SPECIFICATIONS FOR
CONSTRUCTION LOADS
HIGHWAY BRIDGES, SECTION 26, DIVISION II DIVISION II OR ASTM A-798 (FOR
CONSTRUCTION LOADS MAY BE HIGHER THAN FINAL LOADS. FOLLOW THE
ALUMINIZED TYPE 2, GALVANIZED OR POLYMER COATED STEEL) OR ASTM
MANUFACTURER'S OR NCSPA GUIDELINES.
B-788 (FOR ALUMINUM PIPE)AND IN CONFORMANCE WITH THE PROJECT
I
PLANS AND SPECIFICATIONS. IF THERE ARE ANY INCONSISTENCIES OR
(
CONFLICTS THE CONTRACTOR SHOULD DISCUSS AND RESOLVE WITH THE
SITE ENGINEER.
NOTE
? THESE DRAWINGS ARE FOR CONCEPTUAL
IT IS ALWAYS THE RESPONSIBILITY OF THE CONTRACTOR TO FOLLOW OSHA
PURPOSES AND DO NOT REFLECTANY LOCAL
GUIDELINES FOR SAFE PRACTICES.
/ PREFERENCES OR REGULATIONS. PLEASE
i CONTACT YOUR LOCAL CONTECH REP FOR
INTERRUPTED BAR
REPLACEMENT, SEE
NOTE B.
ACCESS CASTING TO BE
PROVIDED AND INSTALLED
BY CONTRACTOR.
- B CMP RISER
e i B 11°TYP.
O
SECTION VIEW
OPENING IN
PROTECTION _
SLAB FOR
CASTING
REINFORCING TABLE
"'BEARING
a CMP
A
m B
REINFORCING
PRESSURE
RISER
(PSF)
24"
w 4'
26"
#5 @ 12" OCEW
2,410
4,X4,
#5 @ 12" OCEW
1,780
30"
32"
#5@12"OCEW
2.120
NI X 4'-6"
#5 @ 12" OCEW
11530
36"
OF 5'
38"
#5 @ 10" OCEW
1,890
X 6'
#5 @ 10" OCEW
1,350
42"
a .8 66
�
is @ 10"O OCEW
1720
X 6'-6
#5 @ 9" OCEW
1,210
4B"
'or 6'
50"
#5 @ 9" OCEW
11800
X6'
#5@B"OCEW
11100
ASSUMED SOIL BEARING CAPACITY
�IE
IMES`
�'A
IIsm
I \M
STANDARD STANDARD
REINFORCING, REINFORCING,
mg
INTERRUPTED BAR
REPLACEMENT,
SEE TABLE SEE TABLE
SEE NOTE 6.
ROUND OPTION PLAN VIEW
SQUARE OPTION PLAN VIEW
NOTES:
1. DESIGN INACCORDANCE WITHAASHTO, 17th EDITION.
7. TRIM OPENING WITH DIAGONAL#4 BARS, EXTEND
BARS AMINIMUM OF 12" BEYOND OPENING, BEND
2. DESIGN LOAD H825.
BARS AS REQUIRED TO MAINTAIN BAR COVER.
3. EARTH COVER = I'MAX.
B. PROTECTION SLAB AND ALL MATERIALS TO BE
PROVIDED AND INSTALLED BY CONTRACTOR.
4. CONCRETE STRENGTH = 3,500 psi
9. DETAIL DESIGN BY DELTA ENGINEERING, BINGHAMTON. NY.
5. REINFORCING STEEL=ASTMA615, GRADE 60.
6. PROVIDE ADDITIONAL REINFORCING AROUND
MANHOLE CAP DETAIL
OPENINGS EQUAL TO THE BARS INTERRUPTED,
HALF EACH SIDE. ADDITIONAL BARS TO BE IN
SCALE: N.T,S.
THE SAME PLANE.
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DETENTION SYSTEMS - CMP DETENTION / CMP DRAINAGE
Material Location 10escription
Material Designation
Designated
Rigid or Flexible Pavement
(If applicable)
Flood Base If applicable)
Giedinaile Layer
Non -Woven Geotextile
CONTECH C40 or
Engineer Decision for consideration to prevent soil
C45
migration into varying soil types
Rai
Well gradel,afl ar material
AASHTO M 145-A-1,
Placetl In 1E,1-loose liRsand compacted to 90%
which may, contain smell
A-2, Aa
Standard Proctor Per AASHTO T 99
amounts of silt or Gay.
Bedding Stone
Well graded poll lar bedding
AASHTO M43.
Engineers, determine if bedding is required Pipe
material Alma%Imure particle
3,357,4,457, 5, SB, 57
may be placed on the Vench bottom of a relatively
.Ise of 3"
loose, native suitable well graded 8 granular
material. For Arch pipes it is recommended to be
shaped to a relatively flat bottom or fine -grade the
foundation to a slight v-shape. Unsuitable
Thai should be aver -excavated and re -placed
with a 4"-6" layer of well graded 4 granular stone
per the material designation. See AASHTO
28.3.8.1 126.5.3 Betldin info.
GeWeallla Lair
Non -Worn 0=*Wle
C0 TECH 040 or
Engineer Decision for wnsideratlon to pnmReall
C46
milt Tinto varying soil typaa
Note. eadmill using a=halhtllow-sh6n9th material (CLSM,"flash War Towable N117 when Me opal bell Me pipe w8
not allow IorplecemaManO adegMete =mpection,rfhe beckfill.
iQ INITIAL FILL ENVELOPE
MINIMUM WIDTH DEPENDS ON SITE CONDITIONS AND ENGINEERING JUDGEMENT
FOUNDATIONIBEDDING PREPARATION
PRIOR TO PLACING THE BEDDING, THE FOUNDATION MUST BE CONSTRUCTED TOAUNIFORM AND STABLE
GRADE. IN THE EVENT THAT UNSUITABLE FOUNDATION MATERIALS ARE ENCOUNTERED DURING
EXCAVATION, THEY SHALL BE REMOVED AND BROUGHT BACK TO THE GRADE WITH A FILL MATERIAL AS
APPROVED BYTHE ENGINEER.
QHAUNCH ZONE MATERIAL SHALL BE PLACED AND UNIFORMALLY COMPACTED WITHOUT
SOFT SPOTS.
BACKFILL
WHEN PLACING THE FIRST LIFTS OF BACKFILL IT IS IMPORTANT TO
MAKE SURE THAT THE BACKFILL IS PROPERLY COMPACTED UNDERAND
AROUND THE PIPE HAUNCHES. BACKFILL SHALL BE PLACED SUCH THAT THERE IS NO MORE THAN ATWO
LIFT (16") DIFFERENTIAL BETWEEN ANY OF THE PIPES ATANY TIME DURING THE BACKFILL PROCESS. THE
BACKFILL SHALL BE ADVANCED ALONG THE LENGTH OF THE DETENTION SYSTEM AT THE SAME RATE TO
AVOID DIFFERENTIAL LOADING ON THE PIPE.
OTHERALTERNATE BACKFILL MATERIAL MAY BE ALLOWED DEPENDING ON SITE SPECIFIC CONDITIONS, AS
APPROVED BY SITE ENGINEER.
PLAN
TYPICAL MANWAY DETAIL
SCALE: N.T.S.
FRONT
NOTE:
MANWAY DETAIL APPLICABLE FOR CMP
SYSTEMS WITH DIAMETERS 48" AND
LARGER. MANWAYS MAY BE REQUIRED
ON SMALLER SYSTEMS DEPENDING ON
ACTUAL SITE SPECIFIC CONDITIONS.
ER (TYP )
E DETAIL
ELEVATION END
TYPICAL RISER DETAIL LADDERS ARE OPTIONALANDARE NOT
REQUIRED FORALL SYSTEMS.
SCALE: N.T.S.
20 MIL HDPE MEMBRANE
LINER OVER TOP OF PIPE
(IF REQUIRED)
_ P _
trE .r_
TYPICAL SECTION VIEW
LINER OVER ROWS
SCALE: N.T.S.
NOTE: IF SALTING AGENTS FOR SNOW AND ICE REMOVAL ARE USED ON OR NEAR
THE PROJECT, AN HDPE MEMBRANE LINER IS RECOMMENDED WITH THE SYSTEM.
THE IMPERMEABLE LINER IS INTENDED TO HELP PROTECT THE SYSTEM FROM THE
POTENTIAL ADVERSE EFFECTS THAT MAY RESULT FROM A CHANGE IN THE
SURROUNDING ENVIRONMENT OVER A PERIOD OF TIME. PLEASE REFER TO THE
CORRUGATED METAL PIPE DETENTION DESIGN GUIDE FOR ADDITIONAL
INFORMATION.
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CMP DETENTION SYSTEM INSPECTION AND
CMP DETENTION INSTALLATION GUIDE
IN -SITU TRENCH WALL
MAINTENANCE
WHEN FLOWABLE FILL IS USED, YOU MUST PREVENT PIPE FLOATATION.
PROPER INSTALLATION OF A FLEXIBLE UNDERGROUND DETENTION SYSTEM
IF EXCAVATION IS REQUIRED, THE TRENCH WALL NEEDS TO BE CAPABLE OF
TYPICALLY, SMALL LIFTS ARE PLACED BETWEEN THE PIPES AND THEN
UNDERGROUND STORMWATER DETENTION AND INFILTRATION SYSTEMS MUST
WILL ENSURE LONG-TERM PERFORMANCE. THE CONFIGURATION OF THESE
SUPPORTING THE LOAD THAT THE PIPE SHEDS AS THE SYSTEM IS LOADED. IF
ALLOWED TO SET-UP PRIOR TO THE PLACEMENT OF THE NEXT LIFT THE
BE INSPECTED AND MAINTAINED AT REGULAR INTERVALS FOR PURPOSES OF
SYSTEMS OFTEN REQUIRES SPECIAL CONSTRUCTION PRACTICES THAT
SOILS ARE NOT CAPABLE OF SUPPORTING THESE LOADS, THE PIPE CAN DEFLECT
ALLOWABLE THICKNESS OF THE CLSM LIFT IS A FUNCTION OF PROPER
PERFORMANCE AND LONGEVITY.
BALANCE BETWEEN THE UPLIFT FORCE OF THE CLSM, THE OPPOSING
DIFFER FROM CONVENTIONAL FLEXIBLE PIPE CONSTRUCTION. CONTECH
PERFORM ASIMPLE SOIL PRESSURE CHECK USING THE APPLIED LOADS TO
WEIGHT OF THE PIPE, AND THE EFFECT OF OTHER RESTRAINING
INSPECTION
ENGINEERED SOLUTIONS STRONGLY SUGGESTS SCHEDULING
DETERMINE THE LIMITS OF EXCAVATION BEYOND THE SPRING LINE OF THE
MEASURES. THE PIPE CAN CARRY LIMITED FLUID PRESSURE WITHOUT
PRE -CONSTRUCTION MEETING WITH YOUR LOCAL SALES ENGINEER TO
OUTER MOST PIPES.
PIPE DISTORTION OR DISPLACEMENT, WHICH ALSO AFFECTS THE CLSM
INSPECTION IS THE KEY TO EFFECTIVE MAINTENANCE OF CMP DETENTION
DETERMINE IF ADDITIONAL MEASURES, NOT COVERED IN THIS GUIDE, ARE
IN MOST CASES THE REQUIREMENTS AND
ACTIOSAFWORK
LIFT THICKNESS. YOUR LOCAL CONTECH SALES ENGINEER CAN HELP
SYSTEMS AND IS EASILY PERFORMED. CONTECH RECOMMENDS ONGOING,
APPROPRIATE FOR YOUR SITE.
PROPER BACKFILL PLACEMENT AND COMPACTION TAKE CARE OF THIS CONCERN.
COMPACTION ARE O THIS C
DETERMINE THE PROPER LIFT THICKNESS.
ANNUAL INSPECTIONS. SITES WITH HIGH TRASH LOAD OR SMALL OUTLET
CONTROL ORIFICES MAY NEED MORE FREQUENT INSPECTIONS. THE RATE AT
FOUNDATION
Q BACKFILL. WELL SHADED
LIVE LOAD a cRANutAxn os ER N MALL
WHICH THE SYSTEM COLLECTS POLLUTANTS WILL DEPEND MORE ON SITE
SPECIFIC ACTIVITIES RATHER THAN THE SIZE OR CONFIGURATION OF THE
O a
STAGEO REQUIRED TO
POURSTATIO
CONSTRUCT FOUNDATION THAT CAN SUPPORT THE DESIGN LOADING
r. ,, G
EMBANKMENT
CONTROL N
CONTROL FLOATATIONAND
OISTORTpNIO PLACEMENT
S
SYSTEM.
APPLIED SV THE PIPE AND ADJACENT BACKFILL WEIGHT AS WELL AS MAINTAIN
USM
ITS INTEGRITY DURING CONSTRUCTION.
INSPECTIONS SHOULD BE PERFORMED MORE OFTEN IN EQUIPMENT
cBOTEITESEPARATON
em6ArvxmexT
WASHDOWN AREAS, IN CLIMATES WHERE SANDING AND/OR SALTING
IF SOFT OR UNSUITABLE SOILS ARE ENCOUNTERED, REMOVE THE POOR SOILS
IABovEANO Beww
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OPERATIONS TAKE PLACE, AND IN OTHER VARIOUS INSTANCES IN WHICH ONE
DOWN TOASUITABLE DEPTH AND THEN BUILD UP TO THEAPPROPRIATE
WOULD EXPECT HIGHER ACCUMULATIONS OF SEDIMENT ORABRASIVE/
ELEVATION WITH A COMPETENT BACKFILL MATERIAL. THE STRUCTURAL FILL
eED>blNc.wsu cRAD6o
CORROSIVE CONDITIONS. A RECORD OF EACH INSPECTION IS TO BE
MATERIAL GRADATION SHOULD NOT ALLOW THE MIGRATION OF FINES, WHICH
GRANULARAxO SMALLER
MAINTAINED FOR THE LIFE OF THE SYSTEM
CAN CAUSE SETTLEMENT OF THE DETENTION SYSTEM OR PAVEMENT ABOVE.
IF THE STRUCTURAL FILL MATERIAL IS NOT COMPATIBLE WITH THE
WEIGHTED PIPE TER MOe6E
CONCRETE BARRIERS
UNDERLYING SOILS AN ENGINEERING FABRIC SHOULD BE USED AsA
(OR OTHER REMOVABLE WEIGHTS)
MAINTENANCE
SEPARATOR. IN SOME CASES, USING A STIFF REINFORCING GEOGRID
BACKFILL PLACEMENT
REDUCES OVER EXCAVATION AND REPLACEMENT FILL QUANTITIES,
CMP DETENTION SYSTEMS SHOULD BE CLEANED WHEN AN INSPECTION
MATERIAL SHALL BE WORKED INTO THE PIPE HAUNCHES BY MEANS OF
REVEALS ACCUMULATED SEDIMENT OR TRASH IS CLOGGING THE DISCHARGE
THEAMOUTOITOREDUCE encKNu
TICAMWNT OF UNDERCUT �
covER
�GEOGRID WA6NT V6ED
SHOVEL -SLICING, RODDING, AIR TAMPER, VIBRATORY ROD, OR OTHER EFFECTIVE
ORIFICE.
METHODS. CONSTRUCTION LOADING
EMBANKMENT MAVM M NENJ,tI cumno u u c ACCUMULATED HTSEDIMENT OVER
H NTYPICALLYOF MAINTEVACUATED
NANO
Ta2utm wx,r TYPICALLY THE MINIMUM COVER SPECIFIED FORA PROJECTASSUMES H•20
TRASH CA
wFP I THROUGHTHEMANHOLE
ENDED,THEOUTLET ORIFICE. IF MAINTENANCEISNOT
6Me4x1o�r+T LIVE LOAD. BECAUSE CONSTRUCTION LOADS OFTEN EXCEED DESIGN LIVE PERFORMED AS RECOMMENDED, SEDIMENT AND TRASH MAY ACCUMULATE IN
PIPEA Pins Plvec PIFCG LOADS, INCREASED TEMPORARY MINIMUM COVER REQUIREMENTSARE FRONT OF THE OUTLET ORIFICE. MANHOLE COVERS SHOULD BE SECURELY
NECESSARY. SINCE CONSTRUCTION EQUIPMENT VARIES FROM JOB TO JOB, SEATED FOLLOWING CLEANING ACTIVITIES. CONTECH SUGGESTS THATALL
SYSTEMS BE DESIGNED WITH AN ACCESS/INSPECTION MANHOLE SITUATED AT
IT IS BEST TO ADDRESS EQUIPMENT SPECIFIC MINIMUM COVER OR NEAR THE INLET AND THE OUTLET ORIFICE SHOULD IT BE NECESSARY TO
empwG1 L uwURREEWlu Lam
GRADE THE FOUNDATION SUBGRADE TO A UNIFORM OR SLIGHTLY SLOPING
GRADE. IF THE SUBGRADE IS CLAY OR RELATIVELY NON -POROUS AND THE
CONSTRUCTION SEQUENCE WILL LAST FOR AN EXTENDED PERIOD OF TIME,
IT IS BEST TO SLOPE THE GRADE TO ONE END OF THE SYSTEM. THIS WILL
ALLOW EXCESS WATER TO DRAIN QUICKLY, PREVENTING SATURATION OF THE
SUBGRADE.
GEOMEMBRANE BARRIER
A SITE'S RESISTIVITY MAY CHANGE OVERTIME WHEN VARIOUS TYPES OF
SALTING AGENTS ARE USED, SUCH AS ROAD SALTS FOR DEICING AGENTS. IF
SALTING AGENTS ARE USED ON OR NEAR THE PROJECT SITE, A GEOMEMBRANE
BARRIER IS RECOMMENDED WITH THE SYSTEM. THE GEOMEMBRANE LINER IS
INTENDED TO HELP PROTECT THE SYSTEM FROM THE POTENTIAL ADVERSE
EFFECTS THAT MAY RESULT FROM THE USE OF SUCH AGENTS INCLUDING
PREMATURE CORROSION AND REDUCEDACTUAL SERVICE LIFE.
THE PROJECTS ENGINEER OF RECORD IS TO EVALUATE WHETHER SALTING
1 11 1
S"LOO6E LIFTS REDOING
IF AASHTO T99 PROCEDURES ARE DETERMINED INFEASIBLE BY THE
GEOTECHNICAL ENGINEER OF RECORD, COMPACTION IS CONSIDERED
ADEQUATE WHEN NO FURTHER YIELDING OF THE MATERIAL IS OBSERVED
UNDER THE COMPACTOR OR UNDER FOOT AND THE GECTECHNICAL
ENGINEER OF RECORD (OR REPRESENTATIVE THEREOF) IS SATISFIED WITH
THE LEVEL OF COMPACTION.
FOR LARGE SYSTEMS, CONVEYOR SYSTEMS, BACKHOES WITH LONG
REACHES OR DRAGLINES WITH STONE BUCKETS MAY BE USED TO PLACE
BACKFILL. ONCE MINIMUM COVER FOR CONSTRUCTION LOADING ACROSS
THE ENTIRE WIDTH OF THE SYSTEM IS REACHED, ADVANCE THE EQUIPMENT
TO THE END OF THE RECENTLY PLACED FILL, AND BEGIN THE SEQUENCE
AGAIN UNTIL THE SYSTEM IS COMPLETELY BACKFILLED. THIS TYPE OF
CONSTRUCTION SEQUENCE PROVIDES ROOM FOR STOCKPILED BACKFILL
DIRECTLY BEHIND THE BACKHOE, AS WELL AS THE MOVEMENT OF
CONSTRUCTION TRAFFIC, MATERIAL STOCKPILES ON TOP OF THE
BACKFILLED DETENTION SYSTEM SHOULD BE LIMITED TO 8. TO 10-FEET HIGH
AGENTS WILL BE USED ON OR NEAR THE PROJECT SITE, AND USE HISMER AND MUST PROVIDE BALANCED LOADING ACROSS ALL BARRELS. TO
BEST JUDGEMENT TO DETERMINE IF ANYADDITIONAL PROTECTIVE DETERMINE THE PROPER COVER OVER THE PIPES TO ALLOWTHE
MEASURES ARE REQUIRED, BELOW ISATVPICAL DETAIL SHOWING THE MOVEMENT OF CONSTRUCTION EQUIPMENT SEE TABLE I, OR CONTACTYOUR
PLACEMENT OF A GEOMEMBRANE BARRIER FOR PROJECTS WHERE SALTING LOCAL CONTECH SALES ENGINEER.
AGENTS ARE USED ON OR NEAR THE PROJECT SITE.
owm Oran a TYPICAL BAG(FILL SEOUENCE
III;II Lz;
- -La
TT
EMBANKMENT
LLPE _
REQUIREMENTS WITH YOUR LOCAL CONTECH SALES ENGINEER DURING
YOUR PRE -CONSTRUCTION MEETING.
ADDITIONAL CONSIDERATIONS
BECAUSE MOST SYSTEMS ARE CONSTRUCTED BELOW -GRADE, RAINFALL
CAN RAPIDLY FILL THE EXCAVATION; POTENTIALLY CAUSING FLOATATION
AND MOVEMENT OF THE PREVIOUSLY PLACED PIPES. TO HELP MITIGATE
POTENTIAL PROBLEMS, IT IS BEST TO START THE INSTALLATION AT THE
DOWNSTREAM END WITH THE OUTLET ALREADY CONSTRUCTED TO ALLOW
A ROUTE FOR THE WATER TO ESCAPE. TEMPORARY DIVERSION MEASURES
MAYBE REQUIRED FOR HIGH FLOWS DUE TO THE RESTRICTED NATURE OF
THE OUTLET PIPE.
ISMOH &YIN
INLET
INAFER! _WATER PAVED PARKING LOT
MEN DETENTION SYSTEM-y
OUTLETOONTROL
GET INSIDE THE SYSTEM TO PERFORM MAINTENANCE ACTIVITIES, ALL
APPROPRIATE PRECAUTIONS REGARDING CONFINED SPACE ENTRYAND OSHA
REGULATIONS SHOULD BE FOLLOWED.
ANNUAL INSPECTIONS ARE BEST PRACTICE FOR ALL UNDERGROUND SYSTEMS,
DURING THIS INSPECTION, IF EVIDENCE OF SALTING/DE-ICING AGENTS IS
OBSERVED WITHIN THE SYSTEM, IT IB BEST PRACTICE FOR THE SYSTEM TO BE
RINSED INCLUDING ABOVE THE SPRING LINE SOON AFTER THE SPRING THAW
AS PART OF THE MAINTENANCE PROGRAM FOR THE SYSTEM.
MAINTAINING AN UNDERGROUND DETENTION OR INFILTRATION SYSTEM IS
EASIEST WHEN THERE IS NO FLOW ENTERING THE SYSTEM. FOR THIS
REASON, IT IS A GOOD IDEA TO SCHEDULE THE CLEANOUT DURING DRY
WEATHER
THE FOREGOING INSPECTION AND MAINTENANCE EFFORTS HELP ENSURE
UNDERGROUND PIPE SYSTEMS USED FOR STORMWATER STORAGE CONTINUE
TO FUNCTION AS INTENDED BY IDENTIFYING RECOMMENDED REGULAR
INSPECTION AND MAINTENANCE PRACTICES, INSPECTION AND MAINTENANCE
RELATED TO THE STRUCTURAL INTEGRITY OF THE PIPE OR THE SOUNDNESS
OF PIPE JOINT CONNECTIONS IS BEYOND THE SCOPE OF THIS GUIDE,
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1
ALL DETAILS IN THIS BOX ARE PROVIDED BY OTHERS AND ARE FOR
INFORMATIONAL PURPOSES, ONLY. BOHLER ENGINEERING SHALL
BE HELD HARMLESS IN THE EVENT OF ERRONEOUS INFORMATION
CONTAINED WITHIN THESE DETAILS AND/OR STRUCTURAL FAILURE.
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DATE
COMMENT
PER COUNTY
1
01/21/2022
COMMENTS
PER COUNTY
IRTY
2
04/08/2022
COMMENTS3
COUNTY
08/09/2022PER
COMMENTS
Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DRUMMING IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT I V211201
DRAWN BY: DISH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: OCDS-1
PROJECT:
VIRGINIA
STORMWATER
MANAGEMENT
PLAN
FOR
®oJcaUNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
MN YAUiGER
Lie. No. 0402056625
O� 08/09/2022 A
SHEET TITLE:
SWM SYSTEM
DETAILS
SHEET NUMBER:
C-907
REVISION 3 - 08/09/2022
co -
January 11, 2022
Brandon Campbell
Bohler
28 Blackwell Park Lane, Suite 201
Warrenton, VA 20186
Eco-Cap, LLC - Turning Point Nutrient Bank - Availability Letter
Project Reference: Discount Tire Charlottesville
This letter is to confirm the availability of Nutrient Credits sufficient to meet your project requirements at the
Turning Point Nutrient Bank located in Goochland County, Virginia. The Turning Point Nutrient Bank
received its initial release of Nutrient Credits on August 16, 2021 with a release of40.18 lbs. The nutrient
reductions resulting from this activity generated nonpoint source Nutrient "Crcdits" which are transferable to
those entities requiring nutrient reductions in accordance with the Chesapeake Bay Watershed Nutrient Credit
Exchange Program (VA Code § 62. 1-44. 19:14) and the Virginia Stormwater Credit Program (VA Code § 62.
1-44. 15:35) and will be able to service your project located.
Currently the facility has 23_41 pounds of Credits available and will be able to meet your removal requirement
of 0.66 Credits.
Feel free to contact me if you require further assistance.
Casey J. Jensen
President
Eco-Cap, LLC
Credit Sales Manager
Turning Point Nutrient Bank
Phone: 904 836-6636 Email: ecoca vad mail.com Website: ecocapiva.us
of AI gE3
COUNTY OF ALBEMARLE
Department of Community Development
�1RGINiP
Construction Record Drawings (As -built) for VSMP
The following is a list of information required on construction record drawings for
stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the
construction record drawing be prepared by someone other than the designer. Please do not
provide design drawings as construction record drawings.
A. A signed and dated professional seal of the preparing engineer or surveyor.
B. The name and address of the firm and individual preparing the drawings on the title sheet.
C. The constructed location of all items associated with each facility, and the inspection records to verify
proper dimensions, materials and installation. The items include, but are not limited to the following:
1. Inspection Records and photographs for pipe trenches and bedding, including underdrains.
2. Video Pipe Inspection for any pipes which are not accessible or viewable.
3. Updated Location with geo-coordinates of all facilities.
4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
5. Current physical and topographic survey for all earthen structures. Ponds should include a survey
of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required
for alterations from the design.
6. Plants, location and type.
7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s),
inlet and outlet protection, alignment and invert elevations compared to design.
8. Computations: For significant deviations from design, provide sealed computations verifying that
the as -built condition is equivalent or better than design.
9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical
sections and linings.
10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage
must be within platted easements. Provide copies of recorded documents.
11. Guardrail, fences or other safety provisions - Display the constructed location of all safety
provisions; fences, guardrail, including the type, length and applied end treatments, compared to
design.
12. Material layers — biofilter media, stone layers, sand layers, keyways and cores must be verified as to
material types and depths. Include inspection reports, boring or test pit reports and materials
certifications. Biofilter media must be an approved state mix.
13. Access roads — show location of access roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports are required to verify fill compaction in dams.
15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning.
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01/21/2022
PER COUNTY
COMMENTS
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2
04/08/2022
PER COUNTY
COMMENTS
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08/09/2022
PER COUNTY
COMMENTS
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Know what's below.
Call before you dig.
ALWAYS CALL 811
It's fast. It's free. It's the law.
APPROVED FOR
CONSTRUCTION
THIS DR WNG IS INTENDED FOR MUNICIPAL AND/OR AGENCY
REVIEW AND APPROVAL. IT IS NOT INTENDED AS A CONSTRUCTION
DOCUMENT UNLESS INDICATED OTHERWISE.
PROJECT No.: V211201
DRAWN BY: DSH
CHECKED BY: RTY
DATE: 8/27/2021
CAD I.D.: CNDS -1
PROJECT:
VIRGINIA
STORMINATER
MANAGEMENT
PLAN
FOR -
® JluuNt
PROPOSED
LOCATION
1636 SEMINOLE TRAIL
ALBERMARLE COUNTY
CHARLOTTESVILLE, VIRGINIA 22901
BOHLER#
2150 ASHLAND RD. SUITE 200
RICHMOND, VIRGINIA23146
Phone: (804)893-8200
VA@BohlerEng.com
TH
RTAN YAUGiER
Lie. No. 0402056625
08/09/2022
SHEET TITLE:
VSMP NOTES
SHEET NUMBER:
C-908
REVISION 3 - 08/09/2022