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HomeMy WebLinkAboutWPO201800051 Plan - Submittal (First) 2018-06-27AS NOTEDSD C-100COVER SHEETPREPARED BYCONTACT INFORMATIONLOCATION OF SITEROUTE 29 (SEMINOLE TRAIL ROAD) ANDSTATE ROUTE 643 (POLO GROUNDS ROAD)RIVANNA MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIALOCATION MAPCOPYRIGHT ADC THE MAP PEOPLEPERMIT USE NO. 20602153-5SCALE: 1"=2000'CONTACT: RYAN T. YAUGER, P.E.REFERENCESBOUNDARY & TOPOGRAPHIC/ALTA SURVEY:"ALTA/ACSM LAND TITLE SURVEY OF THE PROPERTY OF BRASS, INC."PREPARED BY: ROUDABUSH GALEPROJECT NUMBER: V152000DATED: OCTOBER 18, 2016CODE OF DEVELOPMENT:PREPARED BY: COLLINS ENGINEERINGZMA201500007DATED: JUNE 15, 2015(REVISED OCTOBER 13, 2016)(APPROVED NOVEMBER 9, 2016)SPECIAL USE PERMIT:SP201500025ROUTE 29 IMPROVEMENT PLANS:"PLAN AND PROFILE OF PROPOSED STATE HIGHWAY"PREPARED BY VIRGINIA DEPARTMENT OF TRANSPORTATIONPROJECT NUMBER: 0029-002-135DATED: 10/22/2015VIRGINIA STORMWATER MANAGEMENT PLAN WPO201700037"BROOKHILL SECTION 1, BLOCK 4A AND BLOCK 8A, ZMA2017-007 BROOKHILL"PREPARED BY: BOHLER ENGINEERINGPROJECT NUMBER: V152000DATED: 09/27/2017ROAD IMPROVEMENT PLAN"STATE ROUTE 643 POLO GROUNDS ROAD AND BROOKHILL SECTION 1 BLOCK 4A"PREPARED BY: BOHLER ENGINEERINGPROJECT NUMBER: V152000DATED: 10/26/2017VIRGINIA STORMWATER MANAGEMENT PLAN"ROAD IMPROVEMENT PLAN - PHASE I; STATE ROUTE 643 POLO GROUNDS ROAD AND BROOKHILLSECTION 1"PREPARED BY: BOHLER ENGINEERINGPROJECT NUMBER: V152000DATED:12/15/2017GOVERNING AGENCIESCOUNTY OF ALBEMARLE DEPARTMENT OF COMMUNITY DEVELOPMENT401 McINTIRE ROADCHARLOTTESVILLE, VA 22902TEL: (434) 296-5832FAX: (434) 972-4126ALBEMARLE COUNTY SERVICE AUTHORITY168 SPOTNAP ROADCHARLOTTESVILLE, VA 22911TEL:(434) 977-4511FAX:(434) 979-0698VDOT CHARLOTTESVILLE RESIDENCY701 VDOT WAYCHARLOTTESVILLE, VA 22911TEL:(434) 293-0011SHEET INDEXSHEET TITLESHEET NUMBERCOVER SHEETC-100GENERAL NOTESC-101 - C-102APPROVED PROFFERSC-103 - C-104APPROVED ZONING MAP AMENDMENT PLANC-105OVERALL BUFFER EXHIBITC-106EROSION & SEDIMENT CONTROL PLAN - PHASE IC-200 - C-201EROSION & SEDIMENT CONTROL PLAN - PHASE IIC-202 - C-203EROSION & SEDIMENT CONTROL NOTESC-204EROSION & SEDIMENT CONTROL DETAILSC-205SEDIMENT BASIN DETAILSC-206STORMWATER COMPLIANCE SHEETC-900 - C-904STORMWATER COMPUTATIONS AND DETAILSC-905POND 4B DETAILSC-906LEVEL SPREADER DETAILSC-907BIORETENTION DETAILSC-908 - C-909WPO201800013 FOR REFERENCE ONLYC-910 -C-917BLOCKS 4A AND 4B28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321www.BohlerEngineering.com¨¨¨¨¨¨¨¨CONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SD0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:51 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANFORVIRGINIA STORMWATER MANAGEMENT PLANWPO2018XXXXBROOKHILL¨TAX MAP PARCELS04600-00-00-00180004600-00-00-0018A004600-00-00-00190004600-00-00-019A004600-00-00-019B104600-00-00-019B3¨APPLICANT:RIVERBEND MANAGEMENT321 EAST MAIN STREET, SUITE 201CHARLOTTESVILLE, VA 22902(434)245-4932CONTACT: ALAN TAYLOR¨OWNER:HAUGH, CHARLES R & E. J.OLGESBY JR (TRUSTEES)435 PARK ST.CHARLOTTESVILLE VA, 22901¨ GENERAL NOTES:CONTRACTOR IS RESPONSIBLE FOR COMPLIANCE WITH THE NOTES AND SPECIFICATIONS CONTAINED HEREIN. CONTRACTORIS RESPONSIBLE TO ENSURE THAT ALL SUBCONTRACTORS FULLY AND COMPLETELY CONFORM TO AND COMPLY WITH THESEREQUIREMENTS.1.THE FOLLOWING DOCUMENTS ARE INCORPORATED BY REFERENCE AS PART OF THIS SITE PLAN:·TOPOGRAPHY WAS COMPILED FROM SURVEY BY LINCOLN SURVEYING AND BELL LAND SURVEYS, JANUARY 2015.·BOUNDARY INFORMATION WAS COMPILED BY LINCOLN SURVEYING ON MARCH 1, 2015·SUPPLEMENTAL TOPOGRAPHY BY ROUDABUSH GALE AND ASSOCIATES MARCH 2017.PROJECT NUMBER: V152000DATED: OCTOBER 18, 2016·APPROVED VIRGINIA STORMWATER MANAGEMENT PLAN, WPO201700037ENTITLED: "BROOKHILL SECTION 1, BLOCK 4A AND BLOCK 8A, ZMA2015-007 BROOKHILL" REVISION 2PREPARED BY : BOHLER ENGINEERINGDATED: 09/27/2017PRIOR TO THE START OF CONSTRUCTION, THE CONTRACTOR MUST VERIFY THAT HE/SHE HAS THE LATEST EDITION OF THEDOCUMENTS REFERENCED ABOVE. THIS IS CONTRACTOR'S RESPONSIBILITY.2.ALL ACCESSIBLE (A/K/A ADA) PARKING SPACES MUST BE CONSTRUCTED TO MEET, AT A MINIMUM, THE MORE STRINGENT OFTHE REQUIREMENTS OF THE “AMERICANS WITH DISABILITIES ACT” (ADA) CODE (42 U.S.C. § 12101 et seq. AND 42 U.S.C. § 4151et seq.) OR THE REQUIREMENTS OF THE JURISDICTION WHERE THE PROJECT IS TO BE CONSTRUCTED, AND ANY AND ALLAMENDMENTS TO BOTH WHICH ARE IN EFFECT WHEN THESE PLANS ARE COMPLETED.3.PRIOR TO STARTING CONSTRUCTION, THE CONTRACTOR IS RESPONSIBLE TO ENSURE THAT ALL REQUIRED PERMITS ANDAPPROVALS HAVE BEEN OBTAINED THAT SHALL INCLUDE (BUT NOT BE LIMITED TO): THE VSMP PERMIT ISSUED BY THE DCR;THE STREET CUT PERMIT ISSUED BY CHARLOTTESVILLE PUBLIC WORKS (970-3830); AND TRAFFIC CONTROL PERMITS ISSUEDBY THE CITY TRAFFIC ENGINEER (970-3329). NO CONSTRUCTION OR FABRICATION SHALL BEGIN UNTIL THE CONTRACTORHAS RECEIVED AND THOROUGHLY REVIEWED THE COMMENTS TO ALL PLANS AND OTHER DOCUMENTS REVIEWED ANDAPPROVED BY THE PERMITTING AUTHORITIES AND CONFIRMED THAT ALL NECESSARY OR REQUIRED PERMITS HAVE BEENOBTAINED. CONTRACTOR MUST HAVE COPIES OF ALL PERMITS AND APPROVALS ON SITE AT ALL TIMES.4.THE OWNER/CONTRACTOR MUST BE FAMILIAR WITH AND RESPONSIBLE FOR THE PROCUREMENT OF ANY AND ALLCERTIFICATIONS REQUIRED FOR THE ISSUANCE OF A CERTIFICATE OF OCCUPANCY.5.ALL WORK MUST BE PERFORMED IN ACCORDANCE WITH THESE PLANS,. SPECIFICATIONS AND CONDITIONS OF APPROVAL,AND ALL APPLICABLE REQUIREMENTS, RULES, REGULATIONS, STATUTORY REQUIREMENTS, CODES, LAWS AND STANDARDSOF ALL GOVERNMENTAL ENTITIES WITH JURISDICTION OVER THIS PROJECT.6.THE GEOTECHNICAL REPORT AND RECOMMENDATIONS SET FORTH HEREIN ARE A PART OF THE REQUIRED CONSTRUCTIONDOCUMENTS AND, IN CASE OF CONFLICT, DISCREPANCY OR AMBIGUITY, THE MORE STRINGENT REQUIREMENTS AND/ORRECOMMENDATIONS CONTAINED IN THE PLANS AND THE GEOTECHNICAL REPORT AND RECOMMENDATIONS SHALL TAKEPRECEDENCE UNLESS SPECIFICALLY NOTED OTHERWISE ON THE PLANS. THE CONTRACTOR MUST NOTIFY THE ENGINEER,IN WRITING, OF ANY SUCH CONFLICT, DISCREPANCY OR AMBIGUITY BETWEEN THE GEOTECHNICAL REPORTS AND PLANSAND SPECIFICATIONS PRIOR TO PROCEEDING WITH ANY FURTHER WORK.7.THESE PLANS ARE BASED ON INFORMATION PROVIDED TO BOHLER ENGINEERING BY THE OWNER AND OTHERS PRIOR TOTHE TIME OF PLAN PREPARATION. CONTRACTOR MUST FIELD VERIFY EXISTING CONDITIONS AND NOTIFY BOHLERENGINEERING, IN WRITING, IMMEDIATELY IF ACTUAL SITE CONDITIONS DIFFER FROM THOSE SHOWN ON THE PLAN, OR IFTHE PROPOSED WORK CONFLICTS WITH ANY OTHER SITE FEATURES.8.ALL DIMENSIONS SHOWN ON THE PLANS MUST BE FIELD VERIFIED BY THE CONTRACTOR PRIOR TO THE START OFCONSTRUCTION. CONTRACTOR MUST NOTIFY ENGINEER, IN WRITING, IF ANY CONFLICTS, DISCREPANCIES, OR AMBIGUITIESEXIST PRIOR TO PROCEEDING WITH CONSTRUCTION. NO EXTRA COMPENSATION WILL BE PAID TO THE CONTRACTOR FORWORK WHICH HAS TO BE REDONE OR REPAIRED DUE TO DIMENSIONS OR GRADES SHOWN INCORRECTLY ON THESE PLANSPRIOR TO CONTRACTOR GIVING ENGINEER WRITTEN NOTIFICATION OF SAME AND ENGINEER, THEREAFTER, PROVIDINGCONTRACTOR WITH WRITTEN AUTHORIZATION TO PROCEED WITH SUCH ADDITIONAL WORK.9.CONTRACTOR MUST REFER TO THE ARCHITECTURAL/BUILDING PLANS “OF RECORD” FOR EXACT LOCATIONS ANDDIMENSIONS OF ENTRY/EXIT POINTS, ELEVATIONS, PRECISE BUILDING DIMENSIONS, AND EXACT BUILDING UTILITYLOCATIONS.10.PRIOR TO THE START OF CONSTRUCTION, THE CONTRACTOR MUST COORDINATE THE BUILDING LAYOUT BY CAREFULREVIEW OF THE ENTIRE SITE PLAN AND THE LATEST ARCHITECTURAL PLANS (INCLUDING, BUT NOT LIMITED TO,STRUCTURAL, MECHANICAL, ELECTRICAL, PLUMBING AND FIRE SUPPRESSION PLAN, WHERE APPLICABLE). CONTRACTORMUST IMMEDIATELY NOTIFY OWNER, ARCHITECT AND SITE ENGINEER, IN WRITING, OF ANY CONFLICTS, DISCREPANCIES ORAMBIGUITIES WHICH EXIST.11.DEBRIS MUST NOT BE BURIED ON THE SUBJECT SITE AND ALL UNSUITABLE EXCAVATED MATERIAL AND DEBRIS (SOLIDWASTE) MUST BE DISPOSED OF IN ACCORDANCE WITH THE REQUIREMENTS OF ANY AND ALL GOVERNMENTAL AUTHORITIESWHICH HAVE JURISDICTION OVER THIS PROJECT OR OVER CONTRACTOR.12.THE CONTRACTOR IS RESPONSIBLE FOR IDENTIFYING WHEN SHORING IS REQUIRED AND FOR INSTALLING ALL SHORINGREQUIRED DURING EXCAVATION (TO BE PERFORMED IN ACCORDANCE WITH CURRENT OSHA STANDARDS) AND ANYADDITIONAL PRECAUTIONS TO BE TAKEN TO ASSURE THE STABILITY OF ADJACENT, NEARBY AND CONTIGUOUSSTRUCTURES AND PROPERTIES.13.THE CONTRACTOR IS TO EXERCISE EXTREME CARE 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 FINALCONDITION. CONTRACTOR IS RESPONSIBLE FOR TAKING ALL APPROPRIATE MEASURES REQUIRED TO ENSURE THESTRUCTURAL STABILITY OF SIDEWALKS AND PAVEMENT, UTILITIES, BUILDINGS, AND INFRASTRUCTURE WHICH ARE TOREMAIN, AND TO PROVIDE A SAFE WORK AREA FOR THIRD PARTIES, PEDESTRIANS AND ANYONE INVOLVED WITH THEPROJECT.14.THE CONTRACTOR IS RESPONSIBLE FOR REPAIRING ANY DAMAGE DONE TO ANY NEW OR EXISTING CONSTRUCTION ORPROPERTY DURING THE COURSE OF CONSTRUCTION, INCLUDING BUT NOT LIMITED TO DRAINAGE, UTILITIES, PAVEMENT,STRIPING, CURB, ETC. AND SHALL 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 REPLACEALL SIGNAL INTERCONNECTION CABLE, WIRING CONDUITS, AND ANY UNDERGROUND ACCESSORY EQUIPMENT DAMAGEDDURING CONSTRUCTION AND MUST BEAR ALL COSTS ASSOCIATED WITH SAME. THE REPAIR OF ANY SUCH NEW OREXISTING CONSTRUCTION OR PROPERTY MUST RESTORE SUCH CONSTRUCTION OR PROPERTY TO A CONDITIONEQUIVALENT TO OR BETTER THAN THE CONDITIONS PRIOR TO COMMENCEMENT OF THE CONSTRUCTION, AND INCONFORMANCE WITH APPLICABLE CODES, LAWS RULES, REGULATIONS, STATUTORY REQUIREMENTS AND STATUTES.CONTRACTOR MUST BEAR ALL COSTS ASSOCIATED WITH SAME. CONTRACTOR IS RESPONSIBLE TO DOCUMENT ALLEXISTING DAMAGE AND TO NOTIFY THE OWNER AND THE CONSTRUCTION MANAGER PRIOR TO THE START OFCONSTRUCTION.15.ALL CONCRETE MUST BE AIR ENTRAINED AND HAVE THE MINIMUM COMPRESSIVE STRENGTH OF 4,000 PSI AT 28 DAYSUNLESS OTHERWISE NOTED ON THE PLANS, DETAILS AND/OR GEOTECHNICAL REPORT.16.THE ENGINEER IS NOT RESPONSIBLE FOR CONSTRUCTION METHODS, MEANS, TECHNIQUES OR PROCEDURES, GENERALLYOR FOR THE CONSTRUCTION MEAN, METHODS, TECHNIQUES OR PROCEDURES FOR COMPLETION OF THE WORK DEPICTEDBOTH ON THESE PLANS, AND FOR ANY CONFLICTS/SCOPE REVISIONS WHICH RESULT FROM SAME. CONTRACTOR ISRESPONSIBLE FOR DETERMINING THE METHODS/MEANS FOR COMPLETION OF THE WORK PRIOR TO THE COMMENCEMENTOF CONSTRUCTION.17.THE ENGINEER OF RECORD IS NOT RESPONSIBLE FOR JOB SITE SAFETY. THE ENGINEER OF RECORD HAS NOT BEENRETAINED TO PERFORM OR BE RESPONSIBLE FOR JOB SITE SAFETY, SAME BEING WHOLLY OUTSIDE OF ENGINEER'SSERVICES AS RELATED TO THE PROJECT. THE ENGINEER OF RECORD IS NOT RESPONSIBLE TO IDENTIFY OR REPORT ANYJOB SITE SAFETY ISSUES, AT ANY TIME.18.ALL CONTRACTORS MUST CARRY THE SPECIFIED STATUTORY WORKER'S COMPENSATION INSURANCE, EMPLOYER'SLIABILITY INSURANCE AND LIMITS OF COMMERCIAL GENERAL LIABILITY INSURANCE (CGL). ALL CONTRACTORS MUST HAVETHEIR CGL POLICIES ENDORSED TO NAME BOHLER ENGINEERING, 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 ASADDITIONAL NAMED INSURED AND TO PROVIDE CONTRACTUAL LIABILITY COVERAGE SUFFICIENT TO INSURE THIS HOLDHARMLESS AND INDEMNITY OBLIGATIONS ASSUMED BY THE CONTRACTORS. ALL CONTRACTORS MUST FURNISH BOHLERENGINEERING WITH CERTIFICATIONS OF INSURANCE AS EVIDENCE OF THE REQUIRED INSURANCE PRIOR TO COMMENCINGWORK AND UPON RENEWAL OF EACH POLICY DURING THE ENTIRE PERIOD OF CONSTRUCTION AND FOR ONE YEAR AFTERTHE COMPLETION OF CONSTRUCTION. IN ADDITION, ALL CONTRACTORS WILL, TO THE FULLEST EXTENT PERMITTED UNDERTHE LAW, INDEMNIFY, DEFEND AND HOLD HARMLESS BOHLER ENGINEERING AND ITS PAST, PRESENT AND FUTUREOWNERS, OFFICERS, DIRECTORS, PARTNERS, SHAREHOLDERS, MEMBERS, PRINCIPALS, COMMISSIONERS, AGENTS,SERVANTS, EMPLOYEES, AFFILIATES, SUBSIDIARIES, AND RELATED ENTITIES, AND ITS SUBCONTRACTORS ANDSUBCONSULTANTS FROM AND AGAINST ANY DAMAGES, INJURIES, CLAIMS, ACTIONS, PENALTIES, EXPENSES, PUNITIVEDAMAGES, TORT DAMAGES, STATUTORY CLAIMS, STATUTORY CAUSES OF ACTION, LOSSES, CAUSES OF ACTION, LIABILITIESOR COSTS, INCLUDING, BUT NOT LIMITED TO, REASONABLE ATTORNEYS' FEES AND DEFENSE COSTS, ARISING OUT OF OR INANY WAY CONNECTED WITH OR TO THE PROJECT, INCLUDING ALL CLAIMS BY EMPLOYEES OF THE CONTRACTORS, ALLCLAIMS BY THIRD PARTIES AND ALL CLAIMS RELATED TO THE PROJECT. CONTRACTOR MUST NOTIFY ENGINEER, INWRITING, AT LEAST THIRTY (30) DAYS PRIOR TO ANY TERMINATION, SUSPENSION OR CHANGE OF ITS INSURANCEHEREUNDER.19.BOHLER ENGINEERING WILL REVIEW OR TAKE OTHER APPROPRIATE ACTION ON THE CONTRACTOR SUBMITTALS, SUCH ASSHOP DRAWINGS, PRODUCT DATA, SAMPLES, AND OTHER DATA, WHICH THE CONTRACTOR IS REQUIRED TO SUBMIT, BUTONLY FOR THE LIMITED PURPOSE OF CHECKING FOR CONFORMANCE WITH THE DESIGN INTENT AND THE INFORMATIONSHOWN IN THE CONSTRUCTION CONTRACT DOCUMENTS. CONSTRUCTION MEANS AND/OR METHODS AND/OR TECHNIQUESOR PROCEDURES, COORDINATION OF THE WORK WITH OTHER TRADES, AND CONSTRUCTION SAFETY PRECAUTIONS ARETHE SOLE RESPONSIBILITY OF THE CONTRACTOR AND BOHLER HAS NO RESPONSIBILITY OR LIABILITY FOR SAMEHEREUNDER. BOHLER ENGINEERING'S SHOP DRAWING REVIEW WILL BE CONDUCTED WITH REASONABLE PROMPTNESSWHILE ALLOWING SUFFICIENT TIME TO PERMIT ADEQUATE REVIEW. REVIEW OF A SPECIFIC ITEM MUST NOT INDICATE THATBOHLER ENGINEERING HAS REVIEWED THE ENTIRE ASSEMBLY OF WHICH THE ITEM IS A COMPONENT. BOHLERENGINEERING WILL NOT BE RESPONSIBLE FOR ANY DEVIATIONS FROM THE CONSTRUCTION DOCUMENTS NOT PROMPTLYAND IMMEDIATELY BROUGHT TO ITS ATTENTION, IN WRITING, BY THE CONTRACTOR. BOHLER ENGINEERING WILL NOT BEREQUIRED TO REVIEW PARTIAL SUBMISSIONS OR THOSE FOR WHICH SUBMISSIONS OF CORRELATED ITEMS HAVE NOT BEENRECEIVED.20.NEITHER THE PROFESSIONAL ACTIVITIES OF BOHLER ENGINEERING, NOR THE PRESENCE OF BOHLER ENGINEERINGAND/OR ITS PAST, PRESENT AND FUTURE OWNERS, OFFICERS, DIRECTORS, PARTNERS, SHAREHOLDERS, MEMBERS,PRINCIPALS, COMMISSIONERS, AGENTS, SERVANTS, EMPLOYEES, AFFILIATES, SUBSIDIARIES, AND RELATED ENTITIES, ANDITS SUBCONTRACTORS AND SUBCONSULTANTS AT A CONSTRUCTION/PROJECT SITE, SHALL RELIEVE THE GENERALCONTRACTOR OF ITS OBLIGATIONS, DUTIES AND RESPONSIBILITIES INCLUDING, BUT NOT LIMITED TO, CONSTRUCTIONMEANS, METHODS, SEQUENCE, TECHNIQUES OR PROCEDURES NECESSARY FOR PERFORMING, OVERSEEING,SUPERINTENDING AND COORDINATING THE WORK IN ACCORDANCE WITH THE CONTRACT DOCUMENTS AND COMPLIANCEANY HEALTH OR SAFETY PRECAUTIONS REQUIRED BY ANY REGULATORY AGENCIES WITH JURISDICTION OVER THEPROJECT AND/OR PROPERTY. BOHLER ENGINEERING AND ITS PERSONNEL HAVE NO AUTHORITY TO EXERCISE ANYCONTROL OVER ANY CONSTRUCTION CONTRACTOR OR ITS EMPLOYEES IN CONNECTION WITH THEIR WORK OR ANY HEALTHOR SAFETY PROGRAMS OR PROCEDURES. THE GENERAL CONTRACTOR IS SOLELY RESPONSIBLE FOR JOB SITE SAFETY.BOHLER ENGINEERING SHALL BE INDEMNIFIED BY THE GENERAL CONTRACTOR AND MUST BE NAMED AN ADDITIONALINSURED UNDER THE GENERAL CONTRACTOR'S POLICIES OF GENERAL LIABILITY INSURANCE AS DESCRIBED ABOVE INNOTE 19 FOR JOB SITE SAFETY.21.IF THE CONTRACTOR DEVIATES FROM THE PLANS AND SPECIFICATIONS, INCLUDING THE NOTES CONTAINED HEREIN,WITHOUT FIRST OBTAINING THE PRIOR WRITTEN AUTHORIZATION OF THE ENGINEER FOR SUCH DEVIATIONS, THECONTRACTOR IS SOLELY RESPONSIBLE FOR THE PAYMENT OF ALL COSTS INCURRED IN CORRECTING ANY WORK DONEWHICH DEVIATES FROM THE PLANS, ALL FINES AND/OR PENALTIES ASSESSED WITH RESPECT THERETO AND ALLCOMPENSATORY OR PUNITIVE DAMAGES RESULTING THEREFROM AND, FURTHER, SHALL DEFEND, INDEMNIFY AND HOLDHARMLESS THE ENGINEER, TO THE FULLEST EXTENT PERMITTED UNDER THE LAW, IN ACCORDANCE WITH PARAGRAPH 19HEREIN, FOR AND FROM ALL FEES, ATTORNEYS' FEES, DAMAGES, COSTS, JUDGMENTS, PENALTIES AND THE LIKE RELATEDTO SAME.22.CONTRACTOR IS RESPONSIBLE FOR MAINTENANCE AND PROTECTION OF TRAFFIC PLAN FOR ALL WORK THAT AFFECTSPUBLIC TRAVEL EITHER IN THE R.O.W. OR ON SITE. THE COST FOR THIS ITEM MUST BE INCLUDED IN THE CONTRACTOR'SPRICE.23.ALL SIGNING AND PAVEMENT STRIPING MUST CONFORM TO MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES OR LOCALLYAPPROVED SUPPLEMENT.24.ENGINEER IS NOT RESPONSIBLE FOR ANY INJURY OR DAMAGES RESULTING FROM CONTRACTOR'S FAILURE TO BUILD ORCONSTRUCT IN STRICT ACCORDANCE WITH THE APPROVED PLANS. IF CONTRACTOR AND/OR OWNER FAIL BUILD ORCONSTRUCT IN STRICT ACCORDANCE WITH APPROVED PLANS, THEY AGREE TO JOINTLY AND SEVERALLY INDEMNIFY ANDHOLD ENGINEER HARMLESS FOR ALL INJURIES AND DAMAGES THAT ENGINEER SUFFERS AND COSTS THAT ENGINEERINCURS.25.OWNER MUST MAINTAIN AND PRESERVE ALL PHYSICAL SITE FEATURES AND DESIGN FEATURES DEPICTED ON THE PLANSAND RELATED DOCUMENTS, IN STRICT ACCORDANCE WITH THE APPROVED PLAN(S) AND DESIGN AND, FURTHER ENGINEERIS NOT RESPONSIBLE FOR ANY FAILURE TO SO MAINTAIN OR PRESERVE SITE AND/OR DESIGN FEATURES. IF OWNER FAILSTO MAINTAIN AND/OR PRESERVE ALL PHYSICAL SITE FEATURES AND/OR DESIGN FEATURES DEPICTED ON THE PLANS ANDRELATED DOCUMENTS, OWNER AGREES TO INDEMNIFY AND HOLD ENGINEER HARMLESS FOR ALL INJURIES AND DAMAGESTHAT ENGINEER SUFFERS AND COSTS THAT ENGINEER INCURS AS A RESULT OF SAID FAILURE.26.ALL DIMENSIONS MUST BE TO FACE OF CURB, EDGE OF PAVEMENT, OR EDGE OF BUILDING, UNLESS NOTED OTHERWISE.27.ALL CONSTRUCTION AND MATERIALS MUST COMPLY WITH AND CONFORM TO APPLICABLE FEDERAL, STATE AND LOCALREGULATIONS, LAWS, ORDINANCES, RULES AND CODES, AND ALL APPLICABLE OSHA REQUIREMENTS.28.CONTRACTOR AND OWNER MUST INSTALL ALL ELEMENTS AND COMPONENTS IN STRICT COMPLIANCE WITH ANDACCORDANCE WITH MANUFACTURER'S STANDARDS AND RECOMMENDED INSTALLATION CRITERIA AND SPECIFICATIONS. IFCONTRACTOR AND/OR OWNER FAIL TO DO SO, THEY AGREE TO JOINTLY AND SEVERALLY INDEMNIFY AND HOLD ENGINEERHARMLESS FOR ALL INJURIES AND DAMAGES THAT ENGINEER SUFFERS AND COSTS THAT ENGINEER INCURS AS A RESULTOF SAID FAILURE.29.CONTRACTOR IS RESPONSIBLE TO MAINTAIN ON-SITE STORMWATER POLLUTION PREVENTION PLAN (SWPPP) INCOMPLIANCE WITH EPA REQUIREMENTS FOR SITES WHERE ONE (1) ACRE OR MORE (UNLESS THE LOCAL JURISDICTIONREQUIRES FEWER) IS DISTURBED BY CONSTRUCTION ACTIVITIES. CONTRACTOR IS RESPONSIBLE TO ENSURE THAT ALLACTIVITIES, INCLUDING THOSE OF SUBCONTRACTORS, ARE IN COMPLIANCE WITH THE SWPPP, INCLUDING BUT NOT LIMITEDTO LOGGING ACTIVITIES (MINIMUM ONCE PER WEEK AND AFTER RAINFALL EVENTS) AND CORRECTIVE MEASURES, ASAPPROPRIATE.30.AS CONTAINED IN THESE DRAWINGS AND ASSOCIATED APPLICATION DOCUMENTS PREPARED BY THE SIGNATORYPROFESSIONAL ENGINEER, THE USE OF THE WORDS CERTIFY OR CERTIFICATION CONSTITUTES AN EXPRESSION OF“PROFESSIONAL OPINION” REGARDING THE INFORMATION WHICH IS THE SUBJECT OF THE UNDERSIGNED PROFESSIONALKNOWLEDGE OR BELIEF AND IN ACCORDANCE WITH COMMON ACCEPTED PROCEDURE CONSISTENT WITH THE APPLICABLESTANDARDS OF PRACTICE, AND DOES NOT CONSTITUTE A WARRANTY OR GUARANTEE, EITHER EXPRESSED OR IMPLIED.GENERAL GRADING & UTILITY NOTES1.LOCATIONS OF ALL EXISTING AND PROPOSED SERVICES ARE APPROXIMATE AND MUST BE INDEPENDENTLYCONFIRMED WITH LOCAL UTILITY COMPANIES PRIOR TO COMMENCEMENT OF ANY CONSTRUCTION OR EXCAVATION.SANITARY SEWER AND ALL OTHER UTILITY SERVICE CONNECTION POINTS MUST BE INDEPENDENTLY CONFIRMED BYTHE CONTRACTOR IN THE FIELD PRIOR TO THE COMMENCEMENT OF CONSTRUCTION. ALL DISCREPANCIES MUSTIMMEDIATELY BE REPORTED, IN WRITING, TO THE ENGINEER. CONSTRUCTION MUST COMMENCE BEGINNING AT THELOWEST INVERT (POINT OF CONNECTION) AND PROGRESS UP GRADIENT. PROPOSED INTERFACE POINTS (CROSSINGS)WITH EXISTING UNDERGROUND UTILITIES SHALL BE FIELD VERIFIED BY TEST PIT PRIOR TO COMMENCEMENT OFCONSTRUCTION.2.CONTRACTOR MUST VERTICALLY AND HORIZONTALLY LOCATE ALL UTILITIES AND SERVICES INCLUDING, BUT NOTLIMITED TO, GAS, WATER, ELECTRIC, SANITARY AND STORM SEWER, TELEPHONE, CABLE, FIBER OPTIC CABLE, ETC.WITHIN THE LIMITS OF DISTURBANCE OR WORK SPACE, WHICHEVER IS GREATER. THE CONTRACTOR MUST USE, REFERTO, AND COMPLY WITH THE REQUIREMENTS OF THE APPLICABLE UTILITY NOTIFICATION SYSTEM TO LOCATE ALL THEUNDERGROUND UTILITIES. THE CONTRACTOR IS RESPONSIBLE FOR REPAIRING ALL DAMAGE TO ANY EXISTINGUTILITIES DURING CONSTRUCTION, AT NO COST TO THE OWNER. CONTRACTOR SHALL BEAR ALL COSTS ASSOCIATEDWITH DAMAGE TO ANY EXISTING UTILITIES DURING CONSTRUCTION.3.IT IS THE CONTRACTOR'S RESPONSIBILITY TO REVIEW ALL CONSTRUCTION CONTRACT DOCUMENTS INCLUDING, BUTNOT LIMITED TO, ALL OF THE DRAWINGS AND SPECIFICATIONS ASSOCIATED WITH THE PROJECT WORK SCOPE PRIORTO THE INITIATION AND COMMENCEMENT OF CONSTRUCTION. SHOULD THE CONTRACTOR FIND A CONFLICT AND/ORDISCREPANCY BETWEEN THE DOCUMENTS RELATIVE TO THE SPECIFICATIONS OR THE RELATIVE OR APPLICABLECODES, REGULATIONS, LAWS, RULES, STATUTES AND/OR ORDINANCES, IT IS THE CONTRACTOR'S SOLERESPONSIBILITY TO NOTIFY THE PROJECT ENGINEER OF RECORD, IN WRITING, OF SAID CONFLICT AND/ORDISCREPANCY PRIOR TO THE START OF CONSTRUCTION. CONTRACTOR'S FAILURE TO NOTIFY THE PROJECTENGINEER SHALL CONSTITUTE CONTRACTOR'S FULL AND COMPLETE ACCEPTANCE OF ALL RESPONSIBILITY TOCOMPLETE THE SCOPE OF WORK AS DEFINED BY THE DRAWINGS AND IN FULL COMPLIANCE WITH ALL FEDERAL, STATEAND LOCAL REGULATIONS, LAWS, STATUTES, ORDINANCES AND CODES AND, FURTHER, CONTRACTOR SHALL BERESPONSIBLE FOR ALL COSTS ASSOCIATED WITH SAME.4.THE CONTRACTOR MUST LOCATE AND CLEARLY AND UNAMBIGUOUSLY DEFINE VERTICALLY AND HORIZONTALLY ALLACTIVE AND INACTIVE UTILITY AND/OR SERVICE SYSTEMS THAT ARE TO BE REMOVED. THE CONTRACTOR ISRESPONSIBLE TO PROTECT AND MAINTAIN ALL ACTIVE AND INACTIVE SYSTEMS THAT ARE NOT BEINGREMOVED/RELOCATED DURING SITE ACTIVITY.5.THE CONTRACTOR MUST FAMILIARIZE ITSELF WITH THE APPLICABLE UTILITY SERVICE PROVIDER REQUIREMENTS ANDIS RESPONSIBLE FOR ALL COORDINATION REGARDING UTILITY DEMOLITION AS IDENTIFIED OR REQUIRED FOR THEPROJECT. THE CONTRACTOR MUST PROVIDE THE OWNER WITH WRITTEN NOTIFICATION THAT THE EXISTING UTILITIESAND SERVICES HAVE BEEN TERMINATED AND ABANDONED IN ACCORDANCE WITH THE JURISDICTION AND UTILITYCOMPANY REQUIREMENTS AND ALL OTHER APPLICABLE REQUIREMENTS, RULES, STATUTES, LAWS, ORDINANCES ANDCODES.6.THE CONTRACTOR MUST INSTALL ALL STORM SEWER AND SANITARY SEWER COMPONENTS WHICH FUNCTION BYGRAVITY PRIOR TO THE INSTALLATION OF ALL OTHER UTILITIES.7.CONTRACTOR IS RESPONSIBLE FOR COORDINATION OF SITE PLAN DOCUMENTS AND ARCHITECTURAL DESIGN FOREXACT BUILDING UTILITY CONNECTION LOCATIONS, GREASE TRAP REQUIREMENTS/DETAILS, DOOR ACCESS, ANDEXTERIOR GRADING. THE ARCHITECT WILL DETERMINE THE UTILITY SERVICE SIZES. THE CONTRACTOR MUSTCOORDINATE INSTALLATION OF UTILITIES/SERVICES WITH THE INDIVIDUAL COMPANIES, TO AVOID CONFLICTS AND TOENSURE THAT PROPER DEPTHS ARE ACHIEVED. THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THATINSTALLATION OF ALL IMPROVEMENTS COMPLIES WITH ALL UTILITY REQUIREMENTS WITH JURISDICTION AND/ORCONTROL OF THE SITE, AND ALL OTHER APPLICABLE REQUIREMENTS, RULES, STATUTES, LAWS, ORDINANCES ANDCODES AND, FURTHER, IS RESPONSIBLE FOR COORDINATING THE UTILITY TIE-INS/CONNECTIONS PRIOR TOCONNECTING TO THE EXISTING UTILITY/SERVICE. WHERE A CONFLICT(S) EXISTS BETWEEN THESE SITE PLANS AND THEARCHITECTURAL PLANS, OR WHERE ARCHITECTURAL PLAN UTILITY CONNECTION POINTS DIFFER, THE CONTRACTORMUST IMMEDIATELY NOTIFY THE ENGINEER, IN WRITING, AND PRIOR TO CONSTRUCTION, RESOLVE SAME.8.WATER SERVICE MATERIALS, BURIAL DEPTH, AND COVER REQUIREMENTS MUST BE SPECIFIED BY THE LOCAL UTILITYCOMPANY. CONTRACTOR'S PRICE FOR WATER SERVICE MUST INCLUDE ALL FEES, COSTS AND APPURTENANCESREQUIRED BY THE UTILITY TO PROVIDE FULL AND COMPLETE WORKING SERVICE. CONTRACTOR MUST CONTACT THEAPPLICABLE MUNICIPALITY TO CONFIRM THE PROPER WATER METER AND VAULT, PRIOR TO COMMENCINGCONSTRUCTION.9.ALL NEW UTILITIES/SERVICES, INCLUDING ELECTRIC, TELEPHONE, CABLE TV, ETC. ARE TO BE INSTALLEDUNDERGROUND. ALL NEW UTILITIES/SERVICES MUST BE INSTALLED IN ACCORDANCE WITH THE UTILITY/SERVICEPROVIDER INSTALLATION SPECIFICATIONS AND STANDARDS.10.SITE GRADING MUST BE PERFORMED IN ACCORDANCE WITH THESE PLANS AND SPECIFICATIONS AND THERECOMMENDATIONS SET FORTH IN THE GEOTECHNICAL REPORT REFERENCED IN THIS PLAN SET. THE CONTRACTOR ISRESPONSIBLE FOR REMOVING AND REPLACING UNSUITABLE MATERIALS WITH SUITABLE MATERIALS AS SPECIFIED INTHE GEOTECHNICAL REPORT. ALL EXCAVATED OR FILLED AREAS MUST BE COMPACTED AS OUTLINED IN THEGEOTECHNICAL REPORT. MOISTURE CONTENT AT TIME OF PLACEMENT MUST BE SUBMITTED IN A COMPACTIONREPORT PREPARED BY A QUALIFIED GEOTECHNICAL ENGINEER, REGISTERED WITH THE STATE WHERE THE WORK ISPERFORMED, VERIFYING THAT ALL FILLED AREAS AND SUBGRADE AREAS WITHIN THE BUILDING PAD AREA AND AREASTO BE PAVED HAVE BEEN COMPACTED IN ACCORDANCE WITH THESE PLANS, SPECIFICATIONS AND THERECOMMENDATIONS SET FORTH IN THE GEOTECHNICAL REPORT AND ALL APPLICABLE REQUIREMENTS, RULES,STATUTES, LAWS, ORDINANCES AND CODES. SUBBASE MATERIAL FOR SIDEWALKS, CURB, OR ASPHALT MUST BE FREEOF ORGANICS AND OTHER UNSUITABLE MATERIALS. SHOULD SUBBASE BE DEEMED UNSUITABLE BYOWNER/DEVELOPER, OR OWNER/DEVELOPER'S REPRESENTATIVE, SUBBASE IS TO BE REMOVED AND FILLED WITHAPPROVED FILL MATERIAL COMPACTED AS DIRECTED BY THE GEOTECHNICAL REPORT. EARTHWORK ACTIVITIESINCLUDING, BUT NOT LIMITED TO, EXCAVATION, BACKFILL, AND COMPACTING MUST COMPLY WITH THERECOMMENDATIONS IN THE GEOTECHNICAL REPORT AND ALL APPLICABLE REQUIREMENTS, RULES, STATUTES, LAWS,ORDINANCES AND CODES. EARTHWORK ACTIVITIES MUST COMPLY WITH THE STANDARD STATE DOT SPECIFICATIONSFOR ROADWAY CONSTRUCTION (LATEST EDITION) AND ANY AMENDMENTS OR REVISIONS THERETO.11.ALL FILL, COMPACTION, AND BACKFILL MATERIALS REQUIRED FOR UTILITY INSTALLATION MUST BE AS PER THERECOMMENDATIONS PROVIDED IN THE GEOTECHNICAL REPORT AND MUST BE COORDINATED WITH THE APPLICABLEUTILITY COMPANY SPECIFICATIONS. WHEN THE PROJECT DOES NOT HAVE GEOTECHNICAL RECOMMENDATIONS, FILLAND COMPACTION MUST, AT A MINIMUM, COMPLY WITH THE STATE DOT REQUIREMENTS AND SPECIFICATIONS ANDCONSULTANT SHALL HAVE NO LIABILITY OR RESPONSIBILITY FOR OR AS RELATED TO FILL, COMPACTION AND BACKFILL.FURTHER, CONTRACTOR IS FULLY RESPONSIBLE FOR EARTHWORK BALANCE.12.THE CONTRACTOR MUST COMPLY, TO THE FULLEST EXTENT, WITH THE LATEST OSHA STANDARDS AND REGULATIONS,AND/OR ANY OTHER AGENCY WITH JURISDICTION FOR EXCAVATION AND TRENCHING PROCEDURES. THE CONTRACTORIS RESPONSIBLE FOR DETERMINING THE “MEANS AND METHODS” REQUIRED TO MEET THE INTENT AND PERFORMANCECRITERIA OF OSHA, AS WELL AS ANY OTHER ENTITY THAT HAS JURISDICTION FOR EXCAVATION AND/OR TRENCHINGPROCEDURES AND CONSULTANT SHALL HAVE NO RESPONSIBILITY FOR OR AS RELATED FOR OR AS RELATED TOEXCAVATION AND TRENCHING PROCEDURES.13.PAVEMENT MUST BE SAW CUT IN STRAIGHT LINES, AND EXCEPT FOR EDGE OF BUTT JOINTS, MUST EXTEND TO THEFULL DEPTH OF THE EXISTING PAVEMENT. ALL DEBRIS FROM REMOVAL OPERATIONS MUST BE REMOVED FROM THESITE AT THE TIME OF EXCAVATION. STOCKPILING OF DEBRIS WILL NOT BE PERMITTED.14.THE TOPS OF EXISTING MANHOLES, INLET STRUCTURES, AND SANITARY CLEANOUT TOPS MUST BE ADJUSTED, ASNECESSARY, TO MATCH PROPOSED GRADES IN ACCORDANCE WITH ALL APPLICABLE STANDARDS, REQUIREMENTS,RULES, STATUTES, LAWS, ORDINANCES AND CODES.15.DURING THE INSTALLATION OF SANITARY SEWER, STORM SEWER, AND ALL UTILITIES, THE CONTRACTOR MUSTMAINTAIN A CONTEMPORANEOUS AND THOROUGH RECORD OF CONSTRUCTION TO IDENTIFY THE AS-INSTALLEDLOCATIONS OF ALL UNDERGROUND INFRASTRUCTURE. THE CONTRACTOR MUST CAREFULLY NOTE ANYINSTALLATIONS THAT DEVIATE FROM THE INFORMATION CONTAINED IN THE UTILITY PLAN. THIS RECORD MUST BE KEPTON A CLEAN COPY OF THE SITE PLAN, WHICH CONTRACTOR MUST PROMPTLY PROVIDE TO THE OWNER AT THECOMPLETION OF WORK.16.WHEN THE SITE IMPROVEMENT PLANS INVOLVE MULTIPLE BUILDINGS, SOME OF WHICH MAY BE BUILT AT A LATER DATE,THE CONTRACTOR MUST EXTEND ALL LINES, INCLUDING BUT NOT LIMITED TO STORM SEWER, SANITARY SEWER,UTILITIES, AND IRRIGATION LINE, TO A POINT AT LEAST FIVE (5) FEET BEYOND THE PAVED AREAS FOR WHICH THECONTRACTOR IS RESPONSIBLE. CONTRACTOR MUST CAP ENDS AS APPROPRIATE, MARK LOCATIONS WITH A 2X4, ANDMUST NOTE THE LOCATION OF ALL OF THE ABOVE ON A CLEAN COPY OF THE SITE PLAN, WHICH CONTRACTOR MUSTPROMPTLY PROVIDE TO THE OWNER UPON COMPLETION OF THE WORK.17.THE CONTRACTOR IS FULLY RESPONSIBLE FOR VERIFICATION OF EXISTING TOPOGRAPHIC INFORMATION AND UTILITYINVERT ELEVATIONS PRIOR TO COMMENCING ANY CONSTRUCTION. CONTRACTOR MUST CONFIRM AND ENSURE 0.75%MINIMUM SLOPE AGAINST ALL ISLANDS, GUTTERS, AND CURBS; 1.0% ON ALL CONCRETE SURFACES; AND 1.5% MINIMUMON ASPHALT (EXCEPT WHERE ADA REQUIREMENTS LIMIT GRADES), TO PREVENT PONDING. CONTRACTOR MUSTIMMEDIATELY IDENTIFY, IN WRITING TO THE ENGINEER, ANY DISCREPANCIES THAT MAY OR COULD AFFECT THE PUBLICSAFETY, HEALTH OR GENERAL WELFARE, OR PROJECT COST. IF CONTRACTOR PROCEEDS WITH CONSTRUCTIONWITHOUT PROVIDING PROPER NOTIFICATION, MUST BE AT THE CONTRACTOR'S OWN RISK AND, FURTHER,CONTRACTOR SHALL INDEMNIFY, DEFEND AND HOLD HARMLESS THE DESIGN ENGINEER FOR ANY DAMAGES, COSTS,INJURIES, ATTORNEY'S FEES AND THE LIKE WHICH RESULT FROM SAME.18.PROPOSED TOP OF CURB ELEVATIONS ARE GENERALLY 6” ABOVE EXISTING LOCAL ASPHALT GRADE UNLESSOTHERWISE NOTED. FIELD ADJUST TO CREATE A MINIMUM OF .075% GUTTER GRADE ALONG CURB FACE. IT ISCONTRACTOR'S OBLIGATION TO ENSURE THAT DESIGN ENGINEER APPROVES FINAL CURBING CUT SHEETS PRIOR TOINSTALLATION OF SAME.19.REFER TO SITE PLAN FOR ADDITIONAL NOTES.20.IN THE EVENT OF DISCREPANCIES AND/OR CONFLICTS BETWEEN PLANS OR RELATIVE TO OTHER PLANS, THE SITE PLANWILL TAKE PRECEDENCE AND CONTROL. CONTRACTOR MUST IMMEDIATELY NOTIFY THE DESIGN ENGINEER, INWRITING, OF ANY DISCREPANCIES AND/OR CONFLICTS.21.CONTRACTOR MUST REQUIRED TO SECURE ALL NECESSARY AND/OR REQUIRED PERMITS AND APPROVALS FOR ALLOFF SITE MATERIAL SOURCES AND DISPOSAL FACILITIES. CONTRACTOR MUST SUPPLY A COPY OF APPROVALS TOENGINEER AND OWNER PRIOR TO INITIATING WORK ANY WORK.22.WHERE RETAINING WALLS (WHETHER OR NOT THEY MEET THE JURISDICTIONAL DEFINITION) ARE IDENTIFIED ON PLANS,ELEVATIONS IDENTIFIED ARE FOR THE EXPOSED PORTION OF THE WALL. WALL FOOTINGS/FOUNDATION ELEVATIONSARE NOT IDENTIFIED HEREIN AND ARE TO BE SET/DETERMINED BY THE CONTRACTOR BASED ON FINAL STRUCTURALDESIGN SHOP DRAWINGS PREPARED BY THE APPROPRIATE PROFESSIONAL LICENSED IN THE STATE WHERE THECONSTRUCTION OCCURS.23.STORM DRAINAGE PIPE:UNLESS INDICATED OTHERWISE, ALL STORM SEWER PIPE MUST BE REINFORCED CONCRETE PIPE (RCP) CLASS III WITHSILT TIGHT JOINTS. WHEN HIGH-DENSITY POLYETHYLENE PIPE (HDPE) IS CALLED FOR ON THE PLANS, IT MUSTCONFORM TO AASHTO M294 AND TYPE S (SMOOTH INTERIOR WITH ANGULAR CORRUGATIONS) WITH GASKET FOR SILTTIGHT JOINT. PVC PIPE FOR ROOF DRAIN CONNECTION MUST BE SDR 26 OR SCHEDULE 40 UNLESS INDICATEDOTHERWISE.24.SANITARY SEWER PIPE MUST BE POLYVINYL CHLORIDE (PVC) SDR 26 OR DIP (P401 LINED) IF UNDER THE ROW OR CITYMAINTAINED ROADWAY, EXCEPT WHERE INDICATED OTHERWISE. SANITARY LATERAL MUST BE PVC SDR 26 UNLESSINDICATED, IN WRITING, OTHERWISE.25.STORM AND SANITARY SEWER PIPE LENGTHS INDICATED ARE NOMINAL AND MEASURED CENTER OF INLET AND/ORMANHOLES STRUCTURE TO CENTER OF STRUCTURE.26.STORMWATER ROOF DRAIN LOCATIONS ARE BASED ON PRELIMINARY ARCHITECTURAL PLANS. CONTRACTOR ISRESPONSIBLE TO AND FOR VERIFYING LOCATIONS OF SAME BASED ON FINAL ARCHITECTURAL PLANS.27.SEWERS CROSSING STREAMS AND/OR LOCATION WITHIN 10 FEET OF THE STREAM EMBANKMENT, OR WHERE SITECONDITIONS SO INDICATE, MUST BE CONSTRUCTED OF STEEL, REINFORCED CONCRETE, DUCTILE IRON OR OTHERSUITABLE MATERIAL.SEWERS CONVEYING SANITARY FLOW COMBINED SANITARY AND STORMWATER FLOW OR INDUSTRIAL FLOW MUST BESEPARATED FROM WATER MAINS BY A DISTANCE OF AT LEAST 10 FEET HORIZONTALLY. IF SUCH LATERAL SEPARATIONIS NOT POSSIBLE, THE PIPES MUST BE IN SEPARATE TRENCHES WITH THE SEWER AT LEAST 18 INCHES BELOW THEBOTTOM OF THE WATER MAIN, OR SUCH OTHER SEPARATION AS APPROVED BY THE GOVERNMENT AGENCY WITHJURISDICTION OVER SAME.·WHERE APPROPRIATE SEPARATION FROM A WATER MAIN IS NOT POSSIBLE, THE SEWER MUST BE ENCASED INCONCRETE, OR CONSTRUCTED OF DUCTILE IRON PIPE USING MECHANICAL OR SLIP-ON JOINTS FOR A DISTANCE OFAT LEAST 10 FEET ON EITHER SIDE OF THE CROSSING. IN ADDITION, ONE FULL LENGTH OF SEWER PIPE SHOULD BELOCATED SO BOTH JOINTS WILL BE AS FAR FROM THE WATER LINE AS POSSIBLE. WHERE A WATER MAIN CROSSESUNDER A SEWER, ADEQUATE STRUCTURAL SUPPORT FOR THE SEWER MUST BE PROVIDED.28.WATER MAIN PIPING MUST BE INSTALLED IN ACCORDANCE WITH THE REQUIREMENTS AND SPECIFICATIONS OF THELOCAL WATER PURVEYOR. IN THE ABSENCE OF SUCH REQUIREMENTS, WATER MAIN PIPING MUST BE CEMENT-LINEDDUCTILE IRON (DIP) MINIMUM CLASS 52 THICKNESS. ALL PIPE AND APPURTENANCES MUST COMPLY WITH THEAPPLICABLE AWWA STANDARDS IN EFFECT AT THE TIME OF APPLICATION.29.CONTRACTOR MUST ENSURE THAT ALL UTILITY TRENCHES LOCATED IN EXISTING PAVED ROADWAYS INCLUDINGSEWER, WATER AND STORM SYSTEMS, MUST BE REPAIRED IN ACCORDANCE WITH REFERENCED MUNICIPAL, COUNTYAND/OR VDOT DETAILS AS APPLICABLE. CONTRACTOR MUST COORDINATE INSPECTION AND APPROVAL OF COMPLETEDWORK WITH THE AGENCY WITH JURISDICTION OVER SAME.30.WHERE BASEMENTS ARE TO BE PROVIDED FOR PROPOSED DWELLING UNITS, THE DEVELOPER SHALL, BY BORING ORBY TEST PIT, DETERMINE THE DEPTH TO GROUNDWATER AT THE LOCATION OF THE PROPOSED DWELLINGS. WHEREGROUNDWATER IS ENCOUNTERED IN THE BASEMENT AREA, BASEMENTS WILL NOT BE INSTALLED UNLESS SPECIALCONSTRUCTION METHODS ARE UTILIZED, TO BE REVIEWED AND APPROVED BY THE MUNICIPAL CONSTRUCTION CODEOFFICIAL. IF AND WHERE SUMP PUMPS ARE INSTALLED, ALL DISCHARGES MUST BE CONNECTED TO THE STORMSEWER. A CLEANOUT MUST BE PROVIDED PRIOR TO THE CONNECTION TO THE STORM DRAIN IN ORDER THATBLOCKAGES CAN BE ADDRESSED.31.FOR SINGLE AND TWO-FAMILY RESIDENTIAL PROJECTS, WHERE THE PROPOSED DWELLING AND ADJACENT SPOTELEVATION(S) ARE SCHEMATIC FOR GENERIC BUILDING FOOTPRINT, GRADES MUST BE ADJUSTED BASED ON FINALARCHITECTURAL PLANS TO PROVIDE A MINIMUM OF SIX (6) INCHES BELOW TOP OF BLOCK AND /OR SIX (6) INCHESBELOW SIDING, WHICHEVER IS LOWEST, AND MUST PROVIDE POSITIVE DRAINAGE (2% MIN.) AWAY FROM DWELLING.ALL CONSTRUCTION, INCLUDING GRADING, MUST COMPLY WITH THE LATEST LOCAL AND STATE BUILDING CODE ANDALL OTHER APPLICABLE REQUIREMENTS, RULES, STATUTES, LAWS, ORDINANCES AND CODES.32.LOCATION OF PROPOSED UTILITY POLE RELOCATION IS AT THE SOLE DISCRETION OF UTILITY COMPANY.33.CONSULTANT IS NEITHER LIABLE NOR RESPONSIBLE FOR ANY SUBSURFACE CONDITIONS AND FURTHER, SHALL HAVENO LIABILITY FOR ANY HAZARDOUS MATERIALS, HAZARDOUS SUBSTANCES, OR POLLUTANTS ON, ABOUT OR UNDERTHE PROPERTY.CONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SD0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:51 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANN/ASD C-101GENERALNOTES STANDARD ABBREVIATIONSFOR ENTIRE PLAN SETACACRESPOGPOINT OF GRADEADAAMERICANS WITHDISABILITY ACTPROPPROPOSEDARCHARCHITECTURALPTPOINT OF TANGENCYBCBOTTOM OF CURBPTCRPOINT OF TANGENCY, CURBRETURNBFBASEMENT FLOORPVCPOLYVINYL CHLORIDE PIPEBKBLOCKPVIPOINT OF VERTICALINTERSECTIONBLBASELINEPVTPOINT OF VERTICALTANGENCYBLDGBUILDINGRRADIUSBMBUILDINGBENCHMARKRCPREINFORCED CONCRETE PIPEBRLBUILDINGRESTRICTION LINERETWALLRETAINING WALLCFCUBIC FEETR/WRIGHT OF WAYCLCENTERLINESSLOPECMPCORRUGATEDMETAL PIPESANSANITARY SEWERCONNCONNECTIONSFSQUARE FEETCONCCONCRETESTASTATIONCPPCORRUGATEDPLASTIC PIPESTMSTORMCYCUBIC YARDSTBRTO BE REMOVEDDECDECORATIVETBRLTO BE RELOCATEDDEPDEPRESSEDTCTOP OF CURBDIPDUCTILE IRON PIPETELETELEPHONEDOMDOMESTICTPFTREE PROTECTION FENCEELECELECTRICTWTOP OF WALLELEVELEVATIONTYPTYPICALEPEDGE OF PAVEMENTUGUNDERGROUNDESEDGE OF SHOULDERUPUTILITY POLEEWEND WALLWWIDEEXEXISTINGW/LWATER LINEFESFLARED ENDSECTIONW/MWATER METERFFFINISHED FLOOR±PLUS OR MINUSFHFIRE HYDRANT°DEGREEFGFINISHED GRADEØDIAMETERGGRADE#NUMBERGFGARAGE FLOOR (ATDOOR)GHGRADE HIGHER SIDEOF WALLGLGRADE LOWER SIDEOF WALLGRTGRATEGVGATE VALVEHDPEHIGH DENSITYPOLYETHYLENE PIPEHPHIGH POINTHORHORIZONTALHWHEADWALLINTINTERSECTIONINVINVERTLFLINEAR FOOTLOCLIMITS OF CLEARINGLODLIMITS OFDISTURBANCELOSLINE OF SIGHTLPLOW POINTL/SLANDSCAPEMAXMAXIMUMMINMINIMUMMHMANHOLEMJMECHANICAL JOINTOCON CENTERPAPOINT OF ANALYSISPCPOINT CURVATUREPCCRPOINT OFCOMPOUNDCURVATURE, CURBRETURNPIPOINT OFINTERSECTIONPROPOSED NOTECURB AND GUTTERSPILL CURBTRANSITION CURBDEPRESSED CURB AND GUTTERXTYPICAL NOTE TEXTNEIGHBORINGPROPERTY LINE /INTERIOR PARCEL LINESTANDARD DRAWING LEGENDFOR ENTIRE PLAN SET(NOT TO SCALE)ONSITE PROPERTYLINE / R.O.W. LINEEASEMENTLINESETBACKLINECONCRETE CURB &GUTTERUTILITY POLEWITH LIGHTPOLELIGHTTRAFFICLIGHTUTILITYPOLETYPICALLIGHTACORNLIGHTTYPICALSIGNPARKINGCOUNTSBORINGBENCHMARKCSLWEGOHTORETEPEBSAN#X#SANITARYLABELSTORMLABELSANITARY SEWERLATERALUNDERGROUNDWATER LINEUNDERGROUNDELECTRIC LINEUNDERGROUNDGAS LINEOVERHEADWIREUNDERGROUNDTELEPHONE LINEUNDERGROUNDCABLE LINESTORMSEWERSANITARYSEWER MAINHYDRANTSANITARYMANHOLESTORMMANHOLEWATERMETERWATERVALVEGASVALVEGASMETERTYPICAL ENDSECTIONHEADWALL ORENDWALLYARDINLETCURBINLETCLEANOUTELECTRICMANHOLETELEPHONEMANHOLEELECTRICBOXELECTRICPEDESTALMONITORINGWELLTESTPITSDSTCBC516.00515.55516.00TC190CONTOURLINESPOTELEVATIONS187 STORM DRAIN SANITARY SEWER WATER SIGHT DISTANCE PROPOSED EASEMENT LEGEND COMMON SHARED INGRESS-EGRESS PUBLIC ACCESS PUBLIC UTILITY PUIECSEPADIMWSSSTMDIMDIMDIMDIMDIMDIM-VAR VARIABLE WIDTH SSIDIMCONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SD0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:51 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANN/ASD C-102GENERALNOTESBROOKHILL SITE DATA TABULATIONZoning Information:Neighborhood Model District (ZMA201500007 Approved 11/09/2016)Magisterial District:Rivanna DistrictSpecial UsePermits:SP2015000025 (Approved 11/09/2016)Parcel IDOwnerOwner AddressTMPDB/PGArea (AC)04600-00-00-01800Haugh, Charles R &E. J. Olgesby Jr(Trustees)435 Park St.Charlottesville VA, 2290146-18731/69013.9504600-00-00-018A0 Charles R Haugh &Elizabeth AnneOglesby Haugh2575 Seminole TrailCharlottesville VA, 2290146-18A1333/45026.6804600-00-00-01900CrocketCorporation Haugh& Helvin435 Park St.Charlottesville VA, 2290146-19B4162.7504600-00-00-019A0CrocketCorporation Haugh& Helvin435 Park St.Charlottesville VA, 2290146-19A4997/72415.9004600-00-00-019B1CrocketCorporation Haugh& Helvin435 Park St.Charlottesville VA, 2290146-19B15003/3848.4704600-00-00-019B3CrocketCorporation Haugh& Helvin435 Park St.Charlottesville VA, 2290146-19B347.78 N/A SD C-103 APPROVED PROFFERS CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SD0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:51 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN N/A SD C-104 APPROVED PROFFERS CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SD0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:51 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN SHEET C-105FOR REFERENCE ONLY POLO GROUNDSROAD 30' BUFFERPOLO GROUNDS ROAD 30' BUFFERROUTE 29 100' BUFFER70' UNDISTURBED BUFFER30' PLANTED / REFORESTED BUFFER30' PLANTED / REFORESTED BUFFER20' BUFFER20' BUFFER30' PLANTED / REFORESTED BUFFER55 8820' HISTORICAL BUFFER1"=200'SD C-106OVERALLBUFFEREXHIBITCONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SD0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:51 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLAN1"=200'020050100200 PROP. CLASSA1 RIP-RAP25' MAX. FRONT SETBACK 25' MAX. FRONT SETBACK 5' MIN. FRONT SETBACK C2 5' MIN. FRONT SETBACK5' MIN. FRONT SETBACK 25' MAX. FRONT SETBACKC4PROP. PUBLIC ROW C3C5L5 L8L7L12 L11 L14C6PROP. PUBLIC ROW PROP. PUBLIC ROWLIMITS OFDISTURBANCELIMITS OFDISTURBANCELIMITS OFDISTURBANCELIMITS OFDISTURBANCEU.S. ROUTE 29 SEMINOLE TRAILARCHER AVENUE STELLA LANEXX XX XX XX XXXX XX X X X X XX XX XX XX XXXX XX XX XX XX X X X X XX XX XX XX XX XX XX IPIPIPIPIPIPCIPOPIPIPXXXXXXSSFSSFXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXTSTSTSTSTSTSTSTSPROP.PORTABLETOILETSPROP TEMPORARYSTOCKPILE AREA IFREQUIREDPROP.DUMPSTERSPROP.FUEL DRAINPAN60' X 50'STAGING AREADCDCDCDCCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONTO POND 4BDA: 2.54C=0.60TO EX. SEDIMENT BASINDA: 2.52C=0.30TO SILT FENCEDA: 1.29C=0.30TO ST-4BDA: 1.40C=0.30SFSFSFSFSSFSSFSSFSSFSSFSSFSSFSSFSFSFSFSFSFSFSFSFSFSFSFSFSFSFSSFSFSFSFSFSFSSFSFSFDDDDDDDDSFCECEPROP. CE,WASHRACK ANDSETTLING PITCEPROP. CE,WASHRACK ANDSETTLING PITSB-4BEX. SBTO SILT FENCEDA: 0.11C=0.30DDDDRWDRWDRWDST-4AST-4BTO SILT FENCEDA: 0.55C=0.30SBSTXXXXXXXXXXXX X XXXXXXXXXXXXXXXSBSTX478476474472470468466464462460458456 454452472470468466464462460458456454452 446448450 452 454 456 458460448 450 450 448 4624644684664664644624584564544 5 2 456458460438440442 444 446 443444 446448450452 454 462 460 458 456 446 444 442 440 438 436 434 432 43 0 428 426 1"=40'OA C-200EROSION &SEDIMENTCONTROL PLANPHASE I1"=40'040102040CONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000OA0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:52 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANMATCHLINE - SHEET C-201- -LIMITS OF DISTURBANCELODSILT FENCE3.05SFXPERMANENT SEEDING3.32PSPSCULVERT INLET PROTECTION3.08CIPSTORM DRAIN INLET PROTECTION3.07IPLEGEND:TEMPORARY STONE3.02CECONSTRUCTION ENTRANCECETEMPORARY DIVERSION DIKE3.09DDDDTEMPORARY SEDIMENT BASIN3.14SBOUTLET PROTECTION3.18OPTEMPORARY SEEDING3.31TSTSDUST CONTROL3.39DCDCSUPER SILT FENCE- -XXSSFSSFTEMPORARY SEDIMENT TRAP3.13ST PROP. TRASHCOMPACTOR25' MAX. FRONT SETBACK 25' MAX. FRONT SETBACK 5' MIN. FRONT SETBACK 5' MIN. FRONT SETBACKC 2 5' MIN. FRONT SETBACK5' MIN. FRONT SETBACK 25' MAX. FRONT SETBACK25' MAX. FRONT SETBACKC4PROP. PUBLIC ROW C3C5L5 L7L3L12 L11L14C6 PROP. PUBLIC ROW PROP. PUBLIC ROWPROP. CLASSA1 RIP-RAPPROP. CLASSA1 RIP-RAPLIMITS OFDISTURBANCELIMITS OFDISTURBANCELIMITS OFDISTURBANCEU.S. ROUTE 29 SEMINOLE TRAILARCHER AVENUE STELLA LANESTELLA LANE27.6'196.5'99.3'IPIPIPIPIPIPCIPOPIPIPIPIPIPIPIPXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXPROP. 21" CMPTSTSTSTSTSTSDCDCDCDCCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONTO SB-4ADA: 4.98C=0.30TO SILT FENCEDA: 1.29C=0.30TO ST-4BDA: 1.40C=0.30SFSFSFSFSFSFSFSFSSFSSFSSFSSFSSFSSFSSFSSFSSFSFSFSFSFSFSFSFSFSFSFSFDDDDDDSFCECEPROP. CE,WASHRACK ANDSETTLING PITCEPROP. CE,WASHRACK ANDSETTLING PITSB-4ASFTO SILT FENCEDA:1.42C=0.30TO SILT FENCEDA: 0.11C=0.30DDDDRWDRWDRWDST-4ATO ST-4ADA: 1.0C=0.30ST-4BTO SILT FENCEDA: 0.55C=0.30OPSTXXXXXSTSBXPROP. CE,WASHRACK ANDSETTLING PIT474472470468466464462460458456 454452446448450 452 454 456 458460448 450 450 448 4624644684664664644624604584564544 5 2 4564584604 3 6 4 3 8 4 4 0442438 4364344324304294284274264254244234244254264274284294341"=40'SP C-201EROSION &SEDIMENTCONTROL PLANPHASE I1"=40'040102040CONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000OA0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:52 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANMATCHLINE - SHEET C-200- -LIMITS OF DISTURBANCELODSILT FENCE3.05SFXPERMANENT SEEDING3.32PSPSCULVERT INLET PROTECTION3.08CIPSTORM DRAIN INLET PROTECTION3.07IPLEGEND:TEMPORARY STONE3.02CECONSTRUCTION ENTRANCECETEMPORARY DIVERSION DIKE3.09DDDDTEMPORARY SEDIMENT BASIN3.14SBOUTLET PROTECTION3.18OPTEMPORARY SEEDING3.31TSTSDUST CONTROL3.39DCDCSUPER SILT FENCE- -XXSSFSSFTEMPORARY SEDIMENT TRAP3.13ST PROP.MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'E')FF = 458.50PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'A')FFE = 456.75PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'B')FF = 454.25PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'C')FF = 456.50BF = 445.84PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'D')FF = 458.50BF = 447.84PROP. WALL CPROP.WALL CPROP. WALL BPROP.WALL APROP. TRASHCOMPACTORPROP. FENCEPROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'A')FF = 456.00PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'B')FF = 455.00PROP. WALL EPROP. WALL DPROP. LIGHTPOLE (TYP.)PROP. LIGHTPOLE (TYP.)PROP. LIGHTPOLE (TYP.)PROP. CLASSA1 RIP-RAPPROP. WALL BPROP. WALL APROP. WALL DPROP.WALL E25' MAX. FRONT SETBACK 25' MAX. FRONT SETBACK 5' MIN. FRONT SETBACK C2 5' MIN. FRONT SETBACK5' MIN. FRONT SETBACKL16 25' MAX. FRONT SETBACKC4PROP. PUBLIC ROW C3C5L5 L8C7L19L7L20L12 L11L18L17 L14C6PROP. PUBLIC ROW C8L23PROP. PUBLIC ROWPROP. ASPHALTPROP. ASPHALTPROP. ASPHALTLIMITS OFDISTURBANCEU.S. ROUTE 29 SEMINOLE TRAILARCHER AVENUE STELLA LANE454452458458 4 5 4 448442 446 446 444 442 440 4 4 8 44 8 452452454454 438 440 442 460 460454454 458 454 446450448 454 45645645645645645 6 4 5 6 454456456444444 444 458 458 454452456452456450446444442444 426 428 430432 436 434440442444 448446 442 444 442 444 456456 454 452 450 450 446 45 6 454 452 450 4 5 2470468466464462460 456458SSSSSSSSSSSSSSSSS S S S S SLWWWWWWWWWW W W W W W W WWWWWWWWWWWWWWWSL SL SL SL FWWWWW W W W WWSSSL SL SL SL F WL WLFWFSLSL STMB20FFSAN20W201234576293031891011121817161514131920212224252627282332333435363738394041424344454647484950515253545556575859606162636768666465697071727374757677787989888786848280818385STMB1190919293949597989996100101102103104105106107108108A108B108C108D108E108F109110113111112114115116128127123117118119120121122126125124129130131132133134135136137138139140141142143144145146147148149150151152153154163155156157158159160161162165166167168169170171172173174175176177189188187186185184182181180179178198183211212213214224223236237238239240241244245246247242243253252254251248255250249256257258259ROOF DRAINS INREAR TO SPLASHON GRADEROOF DRAINS INREAR TO SPLASHON GRADESTMISO1STMISO2STM25STM20STM20STM20STM25TPTPTPSTMB17STMB10STMB18STMB15STMB7STMB9STMB8STMB16STMB6STMB14STMB19STMB4STMB3STMB12STMB2STMB13STMB5STMB1XX XX XX XX XXXX XX X X X X XX XX XX XX XXXX XX XX XX XX X X X X XX XX XX XX XX XX XX IPIPIPIPIPIPCIPOPIPIPXXXXXXIPIPIPIPIPIPOPPSPSPSPSPSPSPSPSPSPSPSIPIPXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONSFSFSFSFSSFSSFSSFSSFSSFSSFSSFSSFSFSFSFSFSFSFSFSFSFSFSFSFSFSFSSFSFSFSFSFSFSSFSFSFSFRWDRWDRWDPSPSOPTO STM. B18DA: 0.14 ACC=0.90TO STM. B11DA: 0.23 ACC=0.90TO STM. B20DA: 0.27 ACC=0.90TO STM. B9DA: 0.10C=0.75TO STM. B16DA: 0.18 ACC=0.90TO STM. B17DA: 0.09 ACC=0.90TO STM. B17DA: 0.13C=0.90TO STM. B19DA: 0.31 ACC=0.90TO STM. B12DA: 1.04C=0.62TO STM. B5DA: 0.93 ACC=0.70TO STM. B13DA: 0.40 ACC=0.70TO STM. B6DA: 0.37C=0.75TO STM. B7DA: 0.41 ACC=0.78TO STM. A12DA: 0.38 ACC=0.90TO STM. A11DA: 0.12 ACC=0.90TO STM. A10DA: 0.31 ACC=0.90TO STM. B8DA: 0.11 ACC=0.75TO STM. B14DA: 0.45C=0.75TO EX. C81DA: 0.22C=0.30XXXXXXXXXXXX X XXXXXXXXXXXXXXXXCONSTRUCTIONENTRANCE AREACONSTRUCTIONENTRANCE AREACONSTRUCTIONENTRANCE AREACECE1"=40'OB C-202EROSION &SEDIMENTCONTROL PLANPHASE II1"=40'040102040CONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000OB0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:53 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANMATCHLINE - SHEET C-203- -LIMITS OF DISTURBANCELODSILT FENCE3.05SFXPERMANENT SEEDING3.32PSPSCULVERT INLET PROTECTION3.08CIPSTORM DRAIN INLET PROTECTION3.07IPLEGEND:TEMPORARY CONSTRUCTION3.02CEENTRANCE AREACETEMPORARY DIVERSION DIKE3.09DDDDTEMPORARY SEDIMENT BASIN3.14SBOUTLET PROTECTION3.18OPTEMPORARY SEEDING3.31TSTSDUST CONTROL3.39DCDCSUPER SILT FENCE- -XXSSFSSF PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'A')FFE = 456.75PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'B')FF = 454.25PROP. WALL BPROP.WALL APROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'A')FF = 456.00PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'D')FF = 447.00BF = 437.00PROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'B')FF = 455.00PROP. WALL EPROP. WALL DPROP. WALL FPROP. TRASHCOMPACTORPROP. LIGHTPROP. LIGHTPOLE (TYP.)PROP. LIGHTPOLE (TYP.)PROP. LIGHTPOLE (TYP.)FF = 455.00PROP. WALL BPROP. WALL APROP. WALL DPROP.WALL EPROP.MAINTENANCEBUILDINGPROP. MULTIFAMILYAPARTMENTS4 STORY60' MAXPROP.HEIGHT(BUILDING TYPE 'C')FF = 452.50BF = 442.50PROP. CLUBHOUSEFF = 452.00PROP.FITNESSBUILDINGFF = 454.0025' MAX. FRONT SETBACK 25' MAX. FRONT SETBACK 5' MIN. FRONT SETBACK 5' MIN. FRONT SETBACKC 2 5' MIN. FRONT SETBACK5' MIN. FRONT SETBACK 25' MAX. FRONT SETBACK25' MAX. FRONT SETBACKC4PROP. PUBLIC ROW C3C5L5 L8L7L3L2 L12 L11 L14C6PROP. PUBLIC ROW PROP. PUBLIC ROWPROP. PUBLIC ROWPROP. ASPHALTPROP.ASPHALTPROP. ASPHALTPROP. ASPHALTPROP. CLASSA1 RIP-RAPPROP. CLASSA1 RIP-RAPLIMITS OFDISTURBANCELIMITS OFDISTURBANCEU.S. ROUTE 29 SEMINOLE TRAILARCHER AVENUE STELLA LANESTELLA LANE442444446 44444244 0 4 3 8 446 440 430 42843844044244444644844844644 6 4444544564584604624 5 4452 452454454 452442 440 440 438 450448 454 452452452456456 454454 454454 454454454456448452450446454 454 452452454456452450452 458448450444 446448 454444446448454 432434436434434 436 438 456 432 434 436 436 436 436SLSSSSSS S S S S SLWWWWWWWWWWFWWWWSL SL SL W W W W W W W W W WWWWWWWWWWWW W W W W WL WL WL WWWWWWSSSSWS S S S S S S S S SSWWWLWLSLSLSLSSSSSSS F SLSLFWLSL SL SL SL F WL WLFW SSSSSSSLSTMB20FFSAN20SAN20W20W20747576777879848280818385929394959796100101102103104105106107108108A108B108C108D108E108F109110113111112114115116128127123117118119120121122126125124129130131132133134135136137138139140141142143144145146147148149150151152153154163155156157158159160161162164165166167168169170171172173174175176177196197195194193192191190206207189188187186185184182181180179178198199200201202205204183203208209210211212213214215216217218219220221222224223225226227228229230231232233234235236237238239240241244245246247242243253252254251248255250249256257258259260261262263264265266274273271270272269268267275276277278279281282280319320318317316315314313312311310283284285293294295328327326325324323322321286287288289290291292300299298297296301302303304305306307308309329330331332333334335336STMA14SLSLSLSLSLSLWLWLSTM20STM20 STM20STM47STM20TPTPSTMA11STMA10STMA7STMA6STMA9STMA12STMA5STMA8STMA4STMA3STMA2STMA1STMB15STMB19STMB12IPIPIPIPIPIPCIPOPIPIPIPIPIPIPIPXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXIPIPIPIPIPIPOPIPPSPSPSPSPSPSPSPSPSPSPSIPXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONCONTRACTORTO PROVIDERIGHT-OF-WAYDIVERSIONSFSFSFSFSFSFSFSFSFSSFSSFSSFSSFSSFSSFSSFSSFSSFSFSFSFSFSFSFSFSFSFSFSFSFSFIPRWDRWDRWDPSTO STM. B11DA: 0.23 ACC=0.90TO STM. B20DA: 0.27 ACC=0.90TO STM. B19DA: 0.31 ACC=0.90TO STM. B13DA: 0.40 ACC=0.70TO STM. A7DA: 0.66C=0.76TO STM. A8DA: 0.82 ACC=0.68TO STM. A3DA: 1.13 ACC=0.65TO STM. A4DA: 0.27 ACC=0.82TO STM. A5DA: 0.66 ACC=0.84TO STM. A2DA: 0.27 ACC=0.70TO POND 4ADA: 0.12 ACC=0.90TO POND4ADA: 0.13 ACC=0.90TO STM. A9DA: 0.14 ACC=0.90TO STM. A14DA: 0.13 ACC=0.90TO STM. A12DA: 0.38 ACC=0.90TO STM. A11DA: 0.12 ACC=0.90TO STM. A10DA: 0.31 ACC=0.90TO STM. 0.32DA: 0.32 ACC=0.84TO STM. B14DA: 0.45C=0.75TO EX. C81DA: 0.22C=0.30XXXXXXXCONSTRUCTIONENTRANCE AREACONSTRUCTIONENTRANCE AREACONSTRUCTIONENTRANCE AREACECE1"=40'UP C-203EROSION &SEDIMENTCONTROL PLANPHASE II1"=40'040102040CONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000OB0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:54 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANMATCHLINE - SHEET C-202- -LIMITS OF DISTURBANCELODSILT FENCE3.05SFXPERMANENT SEEDING3.32PSPSCULVERT INLET PROTECTION3.08CIPSTORM DRAIN INLET PROTECTION3.07IPLEGEND:TEMPORARY CONSTRUCTION3.02CEENTRANCE AREACETEMPORARY DIVERSION DIKE3.09DDDDTEMPORARY SEDIMENT BASIN3.14SBOUTLET PROTECTION3.18OPTEMPORARY SEEDING3.31TSTSDUST CONTROL3.39DCDCSUPER SILT FENCE- -XXSSFSSF EROSION CONTROL MINIMUM STANDARDSMINIMUM STANDARDS:MS-1: PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN (7) DAYS AFTERFINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN (7)DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE (1) YEAR.ACTION: SEE EROSION AND SEDIMENT CONTROL NARRATIVE, SECTION X. STABILIZATION.MS-2: DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTEDWITH SEDIMENT TRAPPING MEASURES. THE APPLICANT RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENTSTABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THEPROJECT SITE.ACTION: STOCKPILES SHALL COMPLY WITH MS-2 BY PROVIDING SILT FENCING AROUND THE BASE OF THE STOCKPILE.TEMPORARY SOIL STABILIZATION MEASURES NOTED IN MS-1 ABOVE SHALL APPLY.MS-3: A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE STABILIZED. PERMANENTVEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT, IS UNIFORM, MATURE ENOUGHTO SURVIVE AND WILL INHIBIT EROSION.ACTION: SEE EROSION AND SEDIMENT CONTROL NARRATIVE, SECTION X. STABILIZATION.MS-4: SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAPSEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND-DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONALBEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE.ACTION: SEE EROSION AND SEDIMENT CONTROL NARRATIVE, SECTION VIII. SEQUENCE OF CONSTRUCTION, PHASE III.MS-5: STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONSIMMEDIATELY AFTER INSTALLATION.ACTION: EARTHEN STRUCTURES SHALL BE STABILIZED USING TEMPORARY SOIL STABILIZATION MEASURES AS NOTED IN MS-1ABOVE SHALL APPLY.MS-6: SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGEAREA 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 THETRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES.b.SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUALTO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASINSHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THESTRUCTURAL INTEGRITY OF THE BASIN DURING A TWENTY-FIVE YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTSUSED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TOEXIST WHILE THE SEDIMENT BASIN IS UTILIZED.ACTION: THE BASINS HAVE BEEN DESIGNED TO ACCOUNT FOR THE ENTIRE DRAINAGE AREA CONTRIBUTING TO THEM. THEAPPROPRIATE SIZING AND STORM CRITERIA HAVE BEEN USED IN THE DESIGNS.MS-7: CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPESTHAT ARE FOUND TO BE ERODING EXCESSIVELY WITHIN ONE (1) YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDEDWITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED.ACTION: THE CONTRACTOR SHALL STABILIZE THE ULTIMATE CUT AND FILL SLOPES AS FINAL GRADES ARE REACHED.MS-8: CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATETEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE.ACTION: THERE ARE NO PROPOSED CONCENTRATED FLOW AREAS WHICH ARE NOT STABILIZED.MS-9: WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED.ACTION: ACKNOWLEDGED. THE CONTRACTOR SHALL IDENTIFY AND ADDRESS ANY WATER SEEPAGE AREAS.MS-10: ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THATSEDIMENT-LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISETREATED TO REMOVE SEDIMENT.ACTION: ACKNOWLEDGED.MS-11: BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATEOUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THECONVEYANCE CHANNEL AND RECEIVING CHANNEL.ACTION: ACKNOWLEDGED.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 DURINGCONSTRUCTION. NON-ERODIBLE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS.EARTHEN FILL MAY BE USED FOR THESE STRUCTURES IF ARMORED BY NON-ERODIBLE COVER MATERIALS.ACTION: ACKNOWLEDGED. THE CONTRACTOR SHALL BE RESPONSIBLE TO MINIMIZE ANY ENCROACHMENT INTO THE EXISTINGSTREAMS AND WATERCOURSES.MS-13: WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX (6) MONTHPERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NON-ERODIBLE MATERIALS SHALL BE PROVIDED.ACTION: ACKNOWLEDGED.MS-14: ALL APPLICABLE FEDERAL, STATE, AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVEWATERCOURSES SHALL BE MET.ACTION: ACKNOWLEDGED. THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING THE NECESSARY PERMITS FOR LIVEWATERCOURSE CROSSINGS.MS-15: THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE ISCOMPLETED.ACTION: ACKNOWLEDGED.MS-16: UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TOOTHER 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 TRAPPINGDEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFFSITEPROPERTY.d.MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION ANDPROMOTE STABILIZATION.e.RE-STABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS.f.APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH.ACTION: ACKNOWLEDGED.MS-17: WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADETO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT ISTRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACHDAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENTCONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THISPROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND-DISTURBING ACTIVITIES.ACTION: SEE EROSION AND SEDIMENT CONTROL NOTES, NUMBER 10.MS-18: ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITESTABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THELOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OFTEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.ACTION: ACKNOWLEDGED.MS-19: PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENTDEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATERRUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE FOLLOWING STANDARDSAND CRITERIA:a.CONCENTRATED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED DIRECTLY INTO AN ADEQUATENATURAL OR MAN-MADE RECEIVING CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THOSE SITES WHERE RUNOFF ISDISCHARGED INTO A PIPE OR PIPE SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPESYSTEM 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 POINT OF ANALYSIS WITHIN THECHANNEL 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 (2) YEAR STORM TO VERIFY THAT STORMWATER WILLNOT OVERTOP CHANNEL BANKS NOR CAUSE EROSION OF CHANNEL BED OR BANKS; AND(b)ALL PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS SHALL BE ANALYZED BY THE USE OF A TEN (10) YEAR STORM TOVERIFY THAT STORMWATER WILL NOT OVERTOP ITS BANKS BY THE USE OF A TWO (2) YEAR STORM TO DEMONSTRATETHAT 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 (10) YEAR STORM TO VERIFY THATSTORMWATER WILL BE CONTAINED WITHIN THE PIPE OR SYSTEM.c.IF EXISTING NATURAL RECEIVING CHANNELS OR PREVIOUSLY CONSTRUCTED MAN-MADE CHANNELS OR PIPES ARE NOTADEQUATE, THE APPLICANT SHALL:(1)IMPROVE THE CHANNEL TO A CONDITION WHERE A TEN (10) YEAR STORM WILL NOT OVERTOP THE BANKS AND A TWO (2)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 (10) YEAR STORM IS CONTAINED WITHIN THEAPPURTENANCES; OR(3)DEVELOP A SITE DESIGN THAT WILL NOT CAUSE THE PRE-DEVELOPMENT PEAK RUNOFF RATE FROM A TWO (2) YEARSTORM TO INCREASE WHEN RUNOFF OUTFALLS INTO A NATURAL CHANNEL OR WILL NOT CAUSE THEPRE-DEVELOPMENT PEAK RUNOFF RATE FROM A TEN (10) YEAR STORM TO INCREASE WHEN RUNOFF OUTFALLS INTO AMAN-MADE CHANNEL; OR(4)PROVIDE A COMBINATION OF CHANNEL IMPROVEMENT, STORMWATER DETENTION OR OTHER MEASURE WHICH ISSATISFACTORY 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 CASED ON THE EXISTING WATERSHED CHARACTERISTICS AND THE ULTIMATEDEVELOPMENT OF THE SUBJECT PROJECT.f.IF THE APPLICANT CHOOSES AN OPTION THAT INCLUDES STORMWATER DETENTION THEY SHALL OBTAIN APPROVAL FROM THELOCALITY OF A PLAN FOR MAINTENANCE OF THE DETENTION FACILITIES. THE PLAN SHALL SET FORTH THE MAINTENANCEREQUIREMENTS 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 BEPLACED AT THE OUTFALL OF ALL DETENTION FACILITIES AS NECESSARY TO PROVIDE A STABILIZED TRANSITION FROM THEFACILITY 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 SEDIMENTATION ON ADJACENT PROPERTY SHALL BEDIVERTED TO A STABLE OUTLET, ADEQUATE CHANNEL, PIPE OR PIPE SYSTEM, OR TO A DETENTION FACILITY.j.IN APPLYING THESE STORMWATER RUNOFF CRITERIA, INDIVIDUAL LOTS OR PARCELS IN A RESIDENTIAL, COMMERCIAL ORINDUSTRIAL DEVELOPMENT SHALL NOT BE CONSIDERED TO BE SEPARATE DEVELOPMENT PROJECTS. INSTEAD, THEDEVELOPMENT, AS A WHOLE, SHALL BE CONSIDERED TO BE A SINGLE DEVELOPMENT PROJECT. HYDROLOGIC PARAMETERSTHAT 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 MINIMIZESIMPACTS ON THE PHYSICAL, CHEMICAL AND BIOLOGICAL INTEGRITY OF RIVERS, STREAMS AND OTHER WATERS OF THE STATE.ACTION: SEE EROSION AND SEDIMENT CONTROL NARRATIVE, SECTION XI. STORM WATER RUNOFF CONSIDERATIONS.EROSION AND SEDIMENT CONTROL NARRATIVEI.PROJECT DESCRIPTION:THE SUBJECT SITE IS LOCATED WITHIN THE BROOKHILL DEVELOPMENT ALONG US ROUTE 29 SEMINOLE TRAIL ROAD. THE SITEIS SPLIT INTO TWO SEPARATE AREAS BY THE PROPOSED ENTRANCE ROAD "ROAD A" WHICH PROVIDES ACCESS TO THE SITEFROM SEMINOLE TRAIL ROAD. THE TOTAL DISTURBED AREA FOR THE WORK PROPOSED WITH THIS PLAN IS 16.46 ACRES. THEPURPOSE OF THIS PROJECT IS TO DEVELOP BLOCK 4 BY CONSTRUCTING TWO MULTIFAMILY LIVING AREAS THAT WILL BORDER"ROAD A" . AS PART OF THIS DEVELOPMENT A TOTAL OF TWELVE (12) STRUCTURES ARE PROPOSED, NINE (9) APARTMENTBUILDINGS, ONE (1) CLUBHOUSE, ONE (1) FITNESS BUILDING, AND ONE (1) MAINTENANCE BUILDING, AS WELL AS A COMMUNITYSWIMMING POOL. TO SERVICE THE PROPOSED DEVELOPMENT THIS PLAN WILL ALSO INCLUDE THE INSTALLATION OF SANITARYSEWER, WATER LINES, AND A STORM INFRASTRUCTURE THAT WILL SERVE THE PROPOSED PARKING AREAS. THERE WILL ALSOBE THREE (3) STORMWATER BMPs CONSTRUCTED WITH THIS PLAN, ONE (1) BIORETENTION, ONE (1) LEVEL SPREADER, AND ONE(1) EXTENDED DETENTION POND WITH AN ISOLATOR ROW PRETREATMENT STRUCTURE. THE TOTAL PROJECT IS ANTICIPATEDTO TAKE NINE (9) TO TWELVE (12) MONTHS TO COMPLETE.II.EXISTING SITE CONDITIONS:CURRENTLY NO DWELLINGS EXIST ON THE TWO PROPOSED PARCELS CARVED OUT BY THE NEWLY CONSTRUCTED “ROAD A” AND STELLALANE, AND THE EXISTING ROUTE 29.  A PORTION OF THE SITE HAS BEEN PREVIOUSLY ROUGH GRADED TO ALLOW FOR THE INSTALLATIONAND GRADING TIE OUT OF THE ROADS MENTIONED ABOVE. THE REMAINING UNDISTURBED PORTIONS OF THE SITE ARE PRIMARILY ROLLINGTERRAIN WITH SLOPES THAT RANGE FROM APPROXIMATELY 1% TO 68%. THE TWO PROPOSED PARCELS WITHIN THIS PLAN DO NOTCONTAIN AREAS OF THE 100-YEAR FLOODPLAIN, AND NO WETLANDS OR STREAM CORRIDORS ARE IDENTIFIED.III.ADJACENT PROPERTY:THE SITE IS BORDERED TO THE NORTH BY CONSERVED OPEN SPACE/GREENWAY AND AN UNNAMED STREAM, TO THE EAST BYA SECTION OF STELLA LANE, TO THE SOUTH BY PARCEL 8A, AND TO THE WEST BY SEMINOLE TRAIL, ROUTE 29.IV. OFFSITE AREAS:THE PROPOSED PROJECT HAS BEEN DESIGNED TO MINIMIZE THE IMPORT AND/OR EXPORT OF DIRT FOR THE SITE. HOWEVER, ITIS ANTICIPATED THAT THERE WILL BE EXCESS CUT GENERATED DURING CONSTRUCTION THAT WILL NEED TO BE TRANSPORTEDTO AREAS WITHIN THE PROPOSED DEVELOPMENT THAT WERE INCLUDED IN THE PREVIOUSLY APPROVED WPO PLAN#WPO201700037. THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING ANY DISTURBANCE OFFSITE AND FOR ANY REQUIREDPLANS AND PERMITS THAT MAY BE REQUIRED.V.SOILS:A GEOTECHNICAL STUDY HAS NOT BEEN PERFORMED AT THIS TIME. A STUDY WILL BE PREPARED AT A FUTURE DATE. SOILSDELINEATION HAS BEEN PROVIDED ON THE EROSION CONTROL SHEETS BASED ON AVAILABLE SOIL SURVEY DATA.VI.CRITICAL AREAS:THERE ARE SEVERAL EXISTING CRITICAL AREAS ON THE SITE INCLUDING A HISTORICAL AREA THAT CONTAINS A CEMETERY.SEVERAL STREAM CORRIDORS TRAVERSE THE SITE AND INCLUDE WETLANDS AND MAPPED 100-YEAR FLOODPLAINS.APPROPRIATE MEASURES HAVE BEEN BUT INTO PLACE TO MINIMIZE THE IMPACT TO ALL CRITICAL AREAS THAT ARE IN CLOSEPROXIMITY TO THE PROPOSED PROJECT AREA ASSOCIATED WITH THIS PLAN.VII.EROSION AND SEDIMENT CONTROL MEASURES:UNLESS OTHERWISE NOTED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BECONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION ANDSEDIMENT CONTROL HANDBOOK (VESCH). THE MINIMUM STANDARDS OF VESCH SHALL BE ADHERED TO UNLESS OTHERWISEWAIVED OR APPROVED BY A VARIANCE.SPECIFIC EROSION AND SEDIMENT CONTROL MEASURES UTILIZED IN THIS PROJECT INCLUDE THE FOLLOWING:1.CONSTRUCTION ENTRANCE - 3.02A STABILIZED STONE PAD WITH FILTER FABRIC UNDERLINER LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON ACONSTRUCTION SITE.2.SILT FENCE - 3.05A PROTECTIVE BARRIER TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURINGCONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE.3.SUPER SILT FENCE - N/AREINFORCED SILT FENCE TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURINGCONSTRUCTION OPERATIONS IN ORDER TO PRESENT SEDIMENT FROM LEAVING THE SITE.4.STORM DRAIN INLET PROTECTION - 3.07A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET.5.CULVERT INLET PROTECTION - 3.08A SEDIMENT FILTER LOCATED AT THE INLET TO STORM SEWER CULVERTS.6.TEMPORARY DIVERSION DIKE - 3.09A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA.7.TEMPORARY RIGHT-OF-WAY DIVERSION - 3.11A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED RIGHTS-OF-WAY ANDSIMILAR SLOPING AREAS.8.TEMPORARY SEDIMENT TRAP - 3.13A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET.9.TEMPORARY SEDIMENT BASIN - 3.14A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING ANEMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY.10.OUTLET PROTECTION - 3.18STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT THE OUTLETS OF PIPESOR PAVES CHANNEL SECTIONS.11.TEMPORARY SEEDING - 3.31THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON A DISTURBED AREAS BY SEEDING WITH APPROPRIATERAPIDLY GROWING ANNUAL PLANTS.12.PERMANENT SEEDING - 3.32THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING SEED.13.TREE PRESERVATION AND PROTECTION - 3.38PROTECTION OF DESIRABLE TREES FROM MECHANICAL AND OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTIONACTIVITY.14.DUST CONTROL - 3.39REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION ACTIVITIES.ALL MATERIALS INDICATED ON THESE PLANS SHALL CONFORM TO THE SPECIFICATIONS AND INSTALLATION GUIDELINES SET FORTHIN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (LATEST EDITION), AND THE DETAILS AND SPECIFICATIONS SHOWNHEREIN.VIII.SEQUENCE OF CONSTRUCTION:PHASE I1.OBTAIN ALL REQUIRED PERMITS.2.ATTEND PRE-CONSTRUCTION MEETING.3.CONTRACTOR SHALL CONTACT JURISDICTION AT LEAST 1 WEEK PRIOR TO COMMENCING CONSTRUCTION.4.CONTRACTOR SHALL STAKE AND FLAG LIMITS OF DISTURBANCE.5.CONTRACTOR TO INSTALL ALL PERIMETER CONTROLS AND PERFORM GRADING SHOWN IN PHASE I TO INSTALL THECONSTRUCTION ENTRANCES PRIOR TO THE START OF ANY MASS EARTH MOVING ACTIVITIES.6.CONTRACTOR TO PERFORM THE MODIFICATIONS TO THE EXISTING EXTENDED POND SHOWN IN PHASE I OF THE EROSION ANDSEDIMENT CONTROL PLAN.7.CONTRACTOR TO CONSTRUCT THE PROPOSED TEMPORARY SEDIMENT BASIN SB-4A AS SHOWN IN PHASE I OF THE EROSIONAND SEDIMENT CONTROL PLAN.8.CONTRACTOR TO INSTALL TEMPORARY SEDIMENT TRAPS ST-48 AND ST-4A.9.CONTRACTOR TO BEGIN MASS EARTHWORK OPERATION TO REACH PROPOSED PAD ELEVATIONS. AS THE EARTHWORKOPERATION IS BEING PERFORMED CONTRACTOR TO ENSURE THAT ALL TEMPORARY DIVERSIONS ARE MAINTAINED TO KEEPRUNOFF DIRECTED TO THE EROSION AND SEDIMENT CONTROL MEASURES SHOWN IN PHASE I OF THE EROSION ANDSEDIMENT CONTROL PLAN.10.CONTRACTOR TO PROVIDE TEMPORARY SEEDING AND DUST CONTROL OF ALL DISTURBED AREAS AS NEEDED.NOTE: CONTRACTOR SHALL NOT COMMENCE PHASE II OF THE EROSION AND SEDIMENT CONTROL PLAN PRIOR TO THE COUNTYEROSION AND SEDIMENT CONTROL INSPECTORS APPROVAL AND COMPLETION OF ALL PHASE I CONSTRUCTION.PHASE II1.CONTRACTOR TO INSTALL REMAINING UTILITIES ON SITE INCLUDING PROPOSED WATERLINE, SANITARY MAIN, AND STORMSEWER.2.CONTRACTOR TO INSTALL STORM INLET PROTECTION IMMEDIATELY AFTER PROPOSED STORM INLETS ARE INSTALLED.3.CONTRACTOR TO BEGIN CONSTRUCTION OF THE PROPOSED BUILDINGS.4.CONTRACTOR TO CONSTRUCT THE REMAINING CURB AND GUTTER FOR THE PARKING AREAS.5.CONTRACTOR TO INSTALL THE PROPOSED ISOLATOR ROW.6.CONTRACTOR TO BASE PAVE THE PARKING AREAS.7.CONTRACTOR TO INSTALL THE PROPOSED BIORETENTION FACILITY.8.CONTRACTOR TO INSTALL ALL PROPOSED SIDEWALKS.9.CONTRACTOR TO PERMANENTLY SEED ALL DISTURBED AREAS AS SOON AS FINAL GRADE IS MET.NOTE: THE COUNTY E&S INSPECTOR SHALL APPROVE PREVIOUS PHASE PRIOR TO THE NEXT PHASE COMMENCING.IX.MAINTENANCE PROGRAM:1.TEMPORARY STONE CONSTRUCTION ENTRANCE - 3.02-THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOW OF MUD ONTO PUBLICRIGHTS-OF-WAY. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE OR THE WASHING AND REWORKINGOF EXISTING STONE AS CONDITIONS DEMAND AND REPAIR AND/OR CLEANOUT OF ANY STRUCTURES USED TO TRAPSEDIMENT. ALL MATERIALS SPILLED, DROPPED, WASHED, OR TRACKED FROM VEHICLES ONTO ROADWAYS OR INTO STORMDRAINS MUST BE REMOVED IMMEDIATELY. THE USE OF WATER TRUCKS TO REMOVE MATERIAL DROPPED, WASHED, ORTRACKED ONTO ROADWAYS WILL NOT BE PERMITTED UNDER ANY CIRCUMSTANCES.2.SILT FENCE - 3.05-SILT FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL.ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY.-CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCES RESULTING FROM END RUNS ANDUNDERCUTTING.SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLELIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY-SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY MUST BE REMOVED WHEN THE LEVEL OFDEPOSITS REACH APPROXIMATELY ONE-HALF THE HEIGHT OF THE BARRIERS.-ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TOCONFORM WITH THE EXISTING GRADE, PREPARED AND SEEDED.3.SUPER SILT FENCE - N/A-SILT FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL.ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY.-CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCES RESULTING FROM END RUNS ANDUNDERCUTTING.-SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLELIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY.-SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY MUST BE REMOVED WHEN THE LEVEL OFDEPOSITS REACH APPROXIMATELY ONE-HALF THE HEIGHT OF THE BARRIERS.-ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE IS NO LONGER REQUIRED SHALL BE DRESSED TOCONFORM WITH THE EXISTING GRADE, PREPARED AND SEEDED.4.STORM DRAIN INLET PROTECTION - 3.07-THE STRUCTURE SHALL BE INSPECTED AFTER EACH RAIN AND REPAIRS MADE AS NEEDED.-SEDIMENT SHALL BE REMOVED AND THE TRAP RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HASACCUMULATED TO ONE HALF THE DESIGN DEPTH OF THE TRAP. REMOVED SEDIMENT SHALL BE DEPOSITED IN A SUITABLEAREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE.-STRUCTURES SHALL BE REMOVED AND THE AREA STABILIZED WHEN THE REMAINING DRAINAGE AREA HAS BEEN PROPERLYSTABILIZED.5.CULVERT INLET PROTECTION - 3.08-THE STRUCTURE SHALL BE INSPECTED AFTER EACH RAIN AND REPAIRS MADE AS NEEDED.-AGGREGATE SHALL BE REPLACED OR CLEANED WHEN INSPECTION REVEALS THAT CLOGGED VOIDS ARE CAUSING PONDINGPROBLEMS WHICH INTERFERE WITH ON-SITE CONSTRUCTION.-SEDIMENT SHALL BE REMOVED AND THE IMPOUNDMENT RESTORED TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT HASACCUMULATED TO ONE-HALF THE DESIGN DEPTH. REMOVED SEDIMENT SHALL BE DEPOSITED IN A SUITABLE AREA AND INSUCH A MANNER THAT IT WILL NOT ERODE AND CAUSE SEDIMENTATION PROBLEMS.-TEMPORARY STRUCTURES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THEUPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED.6.TEMPORARY DIVERSION DIKE - 3.09-THE MEASURE SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE DIKE, FLOW CHANNEL, OUTLET ORSEDIMENT TRAPPING FACILITY, AS NECESSARY. ONCE EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED ORNOT, THE MEASURE SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY CONSTRUCTION TRAFFICOR OTHER ACTIVITY MUST BE REPAIRED BEFORE THE END OF EACH WORKING DAY.7.TEMPORARY RIGHT-OF-WAY DIVERSION - 3.11-THE PRACTICE SHALL BE INSPECTED AFTER EVERY RAINFALL AND REPAIRS MADE IF NECESSARY. AT LEAST ONCE EVERYTWO WEEKS, WHETHER A STORM HAS OCCURRED OR NOT, THE MEASURE SHALL BE INSPECTED AND REPAIRS MADE IFNEEDED. RIGHT-OF-WAY DIVERSIONS, WHICH ARE SUBJECT TO DAMAGE BY VEHICULAR TRAFFIC, SHOULD BE RESHAPED ATTHE END OF EACH WORKING DAY.8.TEMPORARY SEDIMENT TRAP - 3.13- SEDIMENT SHALL BE REMOVED AND THE TRAP RESTORED TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HASACCUMULATED TO ONE HALF THE DESIGN VOLUME OF THE WET STORAGE. SEDIMENT REMOVAL FROM THE BASIN SHALL BEDEPOSITED IN A SUITABLE AREA AND IN SUCH A MANNER THAT IT WILL NOT ERODE AND CAUSE SEDIMENTATION PROBLEMS.-FILTER STONE SHALL BE REGULARLY CHECKED TO ENSURE THAT FILTRATION PERFORMANCE IS MAINTAINED. STONE CHOKEDWITH SEDIMENT SHALL BE REMOVED AND CLEANED OR REPLACED.-THE STRUCTURE SHOULD BE CHECKED REGULARLY TO ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEENDAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. THE HEIGHT OF THE STONE OUTLET SHOULD BE CHECKED TOENSURE THAT ITS CENTER IS AT LEAST 1 FOOT BELOW THE TOP OF THE EMBANKMENT. 9. TEMPORARY SEDIMENT BASIN - 3.14-THE BASIN EMBANKMENT SHOULD BE CHECKED REGULARLY TO ENSURE THAT IT IS STRUCTURALLY SOUNDS AND HAS NOTBEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT.-THE EMERGENCY SPILLWAY SHOULD BE CHECKED REGULARLY TO ENSURE THAT ITS LINING IS WELL ESTABLISHED ANDEROSION-RESISTANT.-THE BASIN SHOULD BE CHECKED AFTER EACH RUNOFF-PRODUCING RAINFALL FOR SEDIMENT CLEANOUT. WHEN THESEDIMENT REACHES THE CLEAN-OUT LEVEL, IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. 10. ALL SEEDED AREAS SHALL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BEFERTILIZED AND RESEEDED AS NEEDED.11. NO AREA SHALL BE LEFT DENUDED FOR ANY PERIOD LONGER THAN SEVEN (7) DAYS. 12. NO UNPROTECTED, UNDISTURBED AREA SHALL DRAIN TO ROADWAY PAVEMENTS SUCH THAT THE SUBBASE, BASE, ORWEARING SURFACE ARE CONTAMINATED BY SILT TRAPPED AT LOW POINTS OR INLETS.13.ADJACENT ROADWAYS AND ENTRANCES WILL BE KEPT CLEAN FROM ACCUMULATED DEBRIS AT ALL TIMES.14.MONITORING REPORTS WILL BE SUBMITTED TO ALBEMARLE COUNTY BY THE RESPONSIBLE LAND DISTURBER.X.STABILIZATION:TEMPORARY SEEDING WILL BE PROVIDED IN ACCORDANCE TO VESCH REQUIREMENTS THROUGHOUT CONSTRUCTION. FINALSEEDING AND SODDING INSTALLATION PER THE SPECIFICATIONS PROVIDED ON SHEET C-617 WILL OCCUR ONCE THE SITE HASBEEN FINAL GRADED AND THE IMPROVEMENTS ARE COMPLETE.XI.STORMWATER RUNOFF CONSIDERATIONS:REFER TO SHEETS C-900 TO C-905 FOR STORMWATER RUNOFF CONSIDERATIONS.XII.CALCULATIONS:REFER TO SHEETS C-900 TO C-905 FOR STORMWATER RUNOFF CONSIDERATIONS.XIII.OTHER IMPORTANT NOTES:8.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLANS SHALL BE MAINTAINED ON THE SITE AT ALL TIMES.9.PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUTNOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSIONCONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.10.THE CONTRACTOR SHALL BE RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NOTSHOWN HEREON THAT ARE DEEMED NECESSARY BY THE APPROVING AUTHORITY AND/OR SITE INSPECTOR.11.ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING ANDGRADING.12.THE CONTRACTOR SHALL PROVIDE ADEQUATE MEANS OF CLEANING MUD FROM TRUCKS AND/OR OTHER EQUIPMENT PRIORTO ENTERING THE PUBLIC RIGHT-OF-WAY. WATER TRUCKS SHALL BE UTILIZED IN THE EVENT THAT A PUBLIC WATER SOURCEIS NOT AVAILABLE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO CLEAR THE STREETS AND TAKE WHATEVER MEASURESNECESSARY TO ENSURE THAT THE STREETS ARE MAINTAINED IN A CLEAN AND DUST-FREE CONDITION AT ALL TIMES.13.IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO PERFORM THE WORK IN SUCH A MANNER AS TO PREVENT THE WASHINGOF ANY TOPSOIL OR DEBRIS ONTO ADJACENT PROPERTIES.7. THE CONTRACTOR SHALL ENSURE THAT ALL DEWATERING OPERATIONS ON THE SITE PASS THROUGH AN APPROVED EROSIONAND SEDIMENT CONTROL DEVICE SUCH AS SILT FENCING, SEDIMENT TRAPS, OR SEDIMENT FILTER BAGS.EROSION AND SEDIMENT CONTROL NOTES1.UNLESS OTHERWISE NOTED, ALL VEGETATIVE AND EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTEDAND MAINTAINED IN ACCORDANCE WITH THE MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION ANDSEDIMENT CONTROL HANDBOOK (LATEST EDITION).2.FOR ADDITIONAL DETAILS AND SPECIFICATIONS NOT SHOWN HEREON, REFER TO THE LATEST EDITION OF THE VIRGINIAEROSION AND SEDIMENT CONTROL HANDBOOK.3.ALL EROSION CONTROL MEASURES SHALL BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING AND GRADING.4.ALL AREAS TO BE PAVED MAY BE STABILIZED BY INSTALLATION OF BASE AND SUBBASE MATERIALS INSTEAD OF TEMPORARYVEGETATION COVER.5.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON-SITE AT ALL TIMES.6.THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARYTO PREVENT POSSIBLE FUTURE OFF-SITE CONTAMINATION.7.THE CONTRACTOR SHALL INSPECT ALL EROSION AND SEDIMENT CONTROL DEVICES DAILY. ANY DAMAGED CONTROLS SHALLBE REPAIRED OR REPLACED BY THE CLOSE OF EACH WORKING DAY.8.THE CONTRACTOR MUST NOTIFY THE LANDSCAPING SUPERVISOR PRIOR TO THE INSTALLATION OF ANY TREE PROTECTIONOR PLANT MATERIAL.9.PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN THOSE INDICATED ON THESE PLANS(INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT ASUPPLEMENTARY EROSION CONTROL PLAN FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY.10.THE CONTRACTOR SHALL PROVIDE ADEQUATE MEANS OF CLEANING MUD FROM TRUCKS AND/OR OTHER EQUIPMENT PRIORTO ENTERING THE PUBLIC RIGHT-OF-WAY. IT IS THE CONTRACTORS RESPONSIBILITY TO TAKE MEASURES NECESSARY TOENSURE THAT ADJACENT STREETS ARE MAINTAINED IN A CLEAN AND DUST-FREE CONDITION AT ALL TIMES.11.THE CONTRACTOR SHALL ENSURE THAT ALL DEWATERING OPERATIONS ON THE SITE PASS THROUGH AN APPROVED EROSIONAND SEDIMENT CONTROL DEVICE SUCH AS SILT FENCING, SEDIMENT TRAPS, OR SEDIMENT FILTER BAGS.12.THE CONTRACTOR IS RESPONSIBLE FOR PERFORMING SITE WORK IN SUCH A MANNER AS TO PREVENT THE WASHING OF ANYTOPSOIL OR DEBRIS ONTO THE ADJACENT PROPERTIES.13.ALL STORM AND SANITARY SEWER LINES, NOT IN STREETS, SHALL BE SEEDED AND MULCHED WITHIN 14 DAYS AFTERBACKFILL.14.ELECTRICAL POWER, GAS SUPPLY, AND TELEPHONE TRENCHES SHALL BE COMPACTED, SEEDED, AND MULCHED WITHIN 14DAYS AFTER BACKFILL.15.AT THE COMPLETION OF CONSTRUCTION AND PRIOR TO ANY BOND RELEASE, ALL TEMPORARY SEDIMENT CONTROLS SHALLBE REMOVED AND ALL DENUDED AREAS STABILIZED.16.WORK WITHIN THE RIGHT-OF-WAY SHALL BE PERFORMED IN A MANNER SO AS TO LIMIT THE DISTURBANCE TO PUBLICTRAFFIC INCLUDING PEDESTRIAN AND BICYCLE ACCESS.ALBEMARLE COUNTY GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS:1.THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE-CONSTRUCTION CONFERENCE, ONEWEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION.2.ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUMSTANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIAREGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS.3.ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING.4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN 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, BUTNOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSIONCONTROL 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 NECESSARY TOPREVENT 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 LANDDISTURBING 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-PRODUCINGRAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROLDEVICES SHALL BE MADE IMMEDIATELY.10.ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED DESIGNATED BORROW AREA.11.ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREEOF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS.12.BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28.13.ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE.14.BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL-TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF7:00AM TO 9:00PM.15.BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN MAINTAINS LATERAL SUPPORT, ORORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGETO ANY PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE.16.THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATERMANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OFTHE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY.17.TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THEMONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR INMARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCHIS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROLINSPECTOR.18.PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADELIMESTONE SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BEAPPLIED AT 180LBS/ACRE AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0-5% PERENNIAL RYEGRASS ORKENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BYTHE COUNTY EROSION CONTROL INSPECTOR.19.MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TOSTRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WETSTORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE AGOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHTMUST BE CLEANED AND REPAIRED IMMEDIATELY.20.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITESTABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROLINSPECTOR.21.THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF APPROVAL. (WATERPROTECTION ORDINANCE SECTION 17-204G.)22.PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LANDDISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17-207B.)NAON C-204EROSION &SEDIMENTCONTROLNOTESCONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000ON0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:54 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLAN NAON C-205EROSION &SEDIMENTCONTROLDETAILSCONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000ON0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:54 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANSEDIMENT TRAP DESIGNTrapDrainageStorage VolumeDimensionsElevationsEmbankmentOutletTopSpillwayIDAreaTotal"Wet""Dry""Wet" *"Dry" **StorageTrapCleanElev.HeightHeightWidthDimensionsReq.Prov.Req.Prov.Req.Prov.L x W x DL x W x D"Wet""Dry"BottomOut***HHoWL x W(ac)(cy)(cy)(cy)(cy)(cy)(cy)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)ST-4B1.40188270941119415959 x 30 x 267 x 38 x 2448.00450.00446.00447.00451.003.02.02.59' x 14.5'NOTES* WET DIMENSIONS:LENGTH AND WIDTH ARE AT BASE OF STONE OUTLET. DEPTH IS MEASURED FROM BASE OF STONE OUTLET DOWN TO BOTTOM OF TRAP.** DRY DIMENSIONS:LENGTH AND WIDTH ARE AT CREST OF STONE OUTLET. DEPTH IS MEASURED FROM BASE OF STONE OUTLET UP TO CREST OF STONE OUTLET.*** THE CLEAN OUT ELEVATION SHALL BE MARKED USING STAKE OR SPRAY PAINT ON THE RISERSEDIMENT TRAP DESIGNTrapDrainageStorage VolumeDimensionsElevationsEmbankmentOutletTopSpillwayIDAreaTotal"Wet""Dry""Wet" *"Dry" **StorageTrapCleanElev.HeightHeightWidthDimensionsReq.Prov.Req.Prov.Req.Prov.L x W x DL x W x D"Wet""Dry"BottomOut***HHoWL x W(ac)(cy)(cy)(cy)(cy)(cy)(cy)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)(ft)ST-4A1.0614421072857212552 x 26 x 260 x 34 x 2448.00450.00446.00447.00451.003.02.02.57' x 14.5'NOTES* WET DIMENSIONS:LENGTH AND WIDTH ARE AT BASE OF STONE OUTLET. DEPTH IS MEASURED FROM BASE OF STONE OUTLET DOWN TO BOTTOM OF TRAP.** DRY DIMENSIONS:LENGTH AND WIDTH ARE AT CREST OF STONE OUTLET. DEPTH IS MEASURED FROM BASE OF STONE OUTLET UP TO CREST OF STONE OUTLET.*** THE CLEAN OUT ELEVATION SHALL BE MARKED USING STAKE OR SPRAY PAINT ON THE RISER NAON C-206SEDIMENTBASIN DETAILSCONSTRUCTIONNOT APPROVED FORThis drawing and/or file has been prepared by Bohler Engineering at the request of the Project Owner or his Representative and is being provided solely as a convenience to the recipient. Bohler Engineering makes no representation regarding the suitability for the intended use by the recipient. Further, Bohler Engineering makes no representation regarding fitness of the electronic file for any particular purpose, or suitability for use with any software or hardware. It is the recipient's obligation to understand the design intent and to use this digital data appropriately.REVISIONSREVDATECOMMENTBYLOCATION OF SITEFORPROJECT No.:DRAWN BY:CHECKED BY:DATE:SCALE:CAD I.D.:SHEET NUMBER:SHEET TITLE:PROJECT:H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000ON0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:54 PM LAST SAVED BY: DREARDONV152000EENRTY6/8/18 0ROUTE 29 SEMINOLE TRAIL RDAND STATE ROUTE 643POLO GROUNDS ROADCHARLOTTESVILLEALBEMARLE COUNTY, VA KNOW WHAT'S BELOWALWAYS CALL 811BEFORE YOU DIGIt's fast. It's free. It's the law.TM28 BLACKWELL PARK LANE, SUITE 201WARRENTON, VIRGINIA 20186Phone:(540) 349-4500Fax:(540) 349-0321VA@BohlerEng.comSUSTAINABLE DESIGN LANDSCAPE ARCHITECTURE SITE CIVIL AND CONSULTING ENGINEERING LAND SURVEYING PROGRAM MANAGEMENT PERMITTING SERVICES TRANSPORTATION SERVICES TM THE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROM BOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERING NEW ENGLAND UPSTATE NEW YORK NEW YORK, NY LEHIGH VALLEY, PA SOUTHEASTERN, PA SOUTHERN MARYLAND BALTIMORE, MD TAMPA, FL CENTRAL VIRGINIA CHARLOTTE, NC RALEIGH, NC NORTHERN VIRGINIANEW JERSEY REHOBOTH BEACH, DE SOUTH FLORIDA BOSTON, MA PHILADELPHIA, PA NEW YORK METRO ATLANTA, GA DALLAS - FT. WORTH, TXLic. No.RYAN YAUGER04020566256/8/18BROOKHILLSECTION 1BLOCKS 4A AND 4BAPARTMENTSVIRGINIASTORMWATERMANAGEMENT PLANSEDIMENT BASIN DESIGN DATA SHEETWITHOUT AN EMERGENCY SPILLWAY PROJECT :BROOKHILL - WPO BLOCK 4 LOCATION :SOUTH EAST CORNER OFBLOCK 4A BASIN ID :SB-4A DRAINAGE AREA :4.98 ACRESBASIN VOLUME DESIGNWET STORAGE1.MINIMUM REQUIRED VOLUME = 67 CU. YDS. x TOTAL DRAINAGE AREA (ACRES)67 CY x 4.98 ACRES = 333.66 CY2.AVAILABLE BASIN VOLUME = 333.66 CY AT ELEVATION 427.40(FROM STORAGE - ELEVATION CURVE)3.EXCAVATE 333.66 CY TO OBTAIN REQUIRED VOLUME ** ELEVATION CORRESPONDING TO REQUIRED VOLUME = INVERT OF THE DEWATERING ORIFICE.4.AVAILABLE VOLUME BEFORE CLEANOUT REQUIRED33 CY x 4.98 ACRES = 166.83 CY5.ELEVATION CORRESPONDING TO CLEANOUT LEVEL = 426.10(FROM STORAGE - ELEVATION CURVE)6.DISTANCE FROM INVERT OF THE DEWATERING ORIFICE TO CLEANOUT LEVEL = 1.3 FT(MIN. = 1.0 FT)DRY STORAGE7.MINIMUM REQUIRED VOLUME = 67 CY x TOTAL DRAINAGE AREA (ACRES)67 CY x 4.98 ACRES = 333.66 CY8.TOTAL AVAILABLE BASIN VOLUME AT CREST OF RISER = 667.32 CY AT ELEVATION 429.20(FROM STORAGE - ELEVATION CURVE)9.DIAMETER OF DEWATERING ORIFICE = 4 IN.##DIAMETER OF FLEXIBLE TUBING = 6 IN.(DIAMETER OF DEWATERING ORIFICE PLUS 2 INCHES).PRELIMINARY DESIGN ELEVATIONS##CREST OF RISER = 429.20TOP OF DAM = 433.00UPSTREAM TOE OF DAM = 423.00DESIGN HIGH WATER = 430.00BASIN SHAPE##LENGTH OF FLOW (L)=260 FT = 16.6EFFECTIVE WIDTH (We)4061 SF / 260 FTIF > 2, BAFFLES ARE NOT REQUIRED [ X ]IF < 2, BAFFLES ARE REQUIREDRUNOFF##Q 2 = 11.61 CFS (FROM CHAPTER 5) (4.98 ACRES x 0.58 'C' X 4.02 IN/HR AT 10 MIN Tc)##Q 25 = 17.21 CFS (FROM CHAPTER 5) (4.98 ACRES x 0.58 'C' X 5.96 IN/HR AT 10 MIN Tc)PRINCIPAL SPILLWAY DESIGN##WITHOUT EMERGENCY SPILLWAY, REQUIRED SPILLWAY CAPACITY Qp = Q25 = 17.21 CFS(RISER AND BARREL)##WITHOUT EMERGENCY SPILLWAY, ASSUMED AVAILABLE HEAD (h) = 1.0 FT (USING Q 25)h = DESIGN HIGH WATER ELEVATION - CREST OF RISER ELEVATION##RISER DIAMETER (Dr) = 27 IN. ... ACTUAL HEAD (h) 0.8 FT(FROM PLATE 3.14-8) NOTE: AVOID ORIFICE FLOW CONDITIONSRISER CALCULATED USING THE TOTAL FLOW ~ 17.21 CFS##BARREL LENGTH (l) = 153.00 FTHEAD (H) ON BARREL THROUGH EMBANKMENT = 11.0 FT(FROM PLATE 3.14-7)##BARREL DIAMETER = 21 IN. - CORRUGATED METAL PIPE (CMP)(FROM PLATE 3.14-B [CONCRETE PIPE] OR PLATE 3.14-A [CORRUGATED PIPE])##TRASH RACK ANTI-VORTEX DEVICEDIAMETER = 42 IN.HEIGHT = 15 IN.(FROM TABLE 3.14-D)EMERGENCY SPILLWAY DESIGN (N/A)##REQUIRED SPILLWAY CAPACITY Qe = Q25 - Qp = N/A##BOTTOM WIDTH (b) = N/AEXIT CHANNEL SLOPE (S) = N/AEXIT CHANNEL MINIMUM LENGTH (x) = N/A(FROM TABLE 3.14-C)ANTI-SEEP COLLAR DESIGN (IN USE)##DEPTH OF WATER AT PRINCIPAL SPILLWAY CREST (Y) = 6.40 FTSLOPE OF UPSTREAM FACE OF EMBANKMENT (Z) = 3.00 FTSLOPE OF PRINCIPAL SPILLWAY BARREL (Sb) = 0.0183 FT/FTLENGTH OF BARREL IN SATURATED ZONED (Ls) = 49 FT##NUMBER OF COLLARS REQUIRED = 2DIMENSIONS = 4.0' x 4.0' (PER PLATE 3.14-12)FINAL DESIGN ELEVATIONS##TOP OF DAM = 433.00(+0.00)DESIGN HIGH WATER = 430.00(-3.00)EMERGENCY SPILLWAY CREST = N/APRINCIPAL SPILLWAY CREST / DRY STORAGE ELEVATION = 429.20(-3.80)DEWATERING ORIFICE INVERT / WET STORAGE ELEVATION = 427.40(-5.60)CLEANOUT ELEVATION = 426.10ELEVATION OF UPSTREAM TOE OF DAM = 423.00(OR EXCAVATED BOTTOM OF "WET STORAGE AREA" IF EXCAVATION WAS PERFORMED)ELEV.AREAACC. VOL.ACC. VOL.(SF)(CF)(CY)423.0035100424.001,00868025425.001,8082,08877426.002,6814,332160427.003,6117,478277429.005,87116,960628430.007,05623,424868431.007,87830,8911,144432.008,72539,1921,452NOTE:CONTRACTOR TO SEE SHEET C-9XX FOR RISER STRUCTURE DETAILS.SEDIMENT BASIN DESIGN DATA SHEETWITHOUT AN EMERGENCY SPILLWAY PROJECT :BROOKHILL - WPO BLOCK 4 LOCATION :SOUTHEAST CORNER OFBLOCK 4B BASIN ID :SB-4B DRAINAGE AREA :6.59 ACRESBASIN VOLUME DESIGNWET STORAGE1.MINIMUM REQUIRED VOLUME = 67 CU. YDS. x TOTAL DRAINAGE AREA (ACRES)67 CY x 6.59 ACRES = 441.53 CY2.AVAILABLE BASIN VOLUME = 742.56 CY AT ELEVATION 441.00(FROM STORAGE - ELEVATION CURVE)3.EXCAVATE 742.56 CY TO OBTAIN REQUIRED VOLUME ** ELEVATION CORRESPONDING TO REQUIRED VOLUME = INVERT OF THE DEWATERING ORIFICE.4.AVAILABLE VOLUME BEFORE CLEANOUT REQUIRED33 CY x 6.59 ACRES = 220.77 CY5.ELEVATION CORRESPONDING TO CLEANOUT LEVEL = 439.30(FROM STORAGE - ELEVATION CURVE)6.DISTANCE FROM INVERT OF THE DEWATERING ORIFICE TO CLEANOUT LEVEL = 1.7 FT(MIN. = 1.0 FT)DRY STORAGE7.MINIMUM REQUIRED VOLUME = 67 CY x TOTAL DRAINAGE AREA (ACRES)67 CY x 6.59 ACRES = 441.53 CY8.TOTAL AVAILABLE BASIN VOLUME AT CREST OF RISER = 1,875.67 CY AT ELEVATION 443.75(FROM STORAGE - ELEVATION CURVE)9.DIAMETER OF DEWATERING ORIFICE = 6 IN.##DIAMETER OF FLEXIBLE TUBING = 8 IN.(DIAMETER OF DEWATERING ORIFICE PLUS 2 INCHES).PRELIMINARY DESIGN ELEVATIONS##CREST OF RISER = 443.75TOP OF DAM = 446.00UPSTREAM TOE OF DAM = 438.00DESIGN HIGH WATER = 444.00BASIN SHAPE##LENGTH OF FLOW (L)=120 FT = 1.5EFFECTIVE WIDTH (We)9358 SF / 120 FTIF > 2, BAFFLES ARE NOT REQUIREDIF < 2, BAFFLES ARE REQUIRED [ X ]RUNOFF##Q 2 = 15.90 CFS (FROM CHAPTER 5) (6.59 ACRES x 0.60 'C' X 4.02 IN/HR AT 5 MIN Tc)##Q 25 = 23.57 CFS (FROM CHAPTER 5) (6.59 ACRES x 0.60 'C' X 5.96 IN/HR AT 5 MIN Tc)PRINCIPAL SPILLWAY DESIGN##WITHOUT EMERGENCY SPILLWAY, REQUIRED SPILLWAY CAPACITY Qp = Q25 = 23.57 CFS(RISER AND BARREL)##WITHOUT EMERGENCY SPILLWAY, ASSUMED AVAILABLE HEAD (h) = 1.0 FT (USING Q 25)h = DESIGN HIGH WATER ELEVATION - CREST OF RISER ELEVATION##RISER DIAMETER (Dr) = 60 IN. ... ACTUAL HEAD (h) 0.3 FT(FROM PLATE 3.14-8) NOTE: AVOID ORIFICE FLOW CONDITIONSRISER CALCULATED USING THE TOTAL FLOW ~ 23.57 CFS##BARREL LENGTH (l) = 49.28 FTHEAD (H) ON BARREL THROUGH EMBANKMENT = 14.0 FT(FROM PLATE 3.14-7)##BARREL DIAMETER = 48 IN. - REINFORCED CONCRETE PIPE (RCP)(FROM PLATE 3.14-B [CONCRETE PIPE] OR PLATE 3.14-A [CORRUGATED PIPE])##TRASH RACK ANTI-VORTEX DEVICEDIAMETER = 90 IN.HEIGHT = 29 IN.(FROM TABLE 3.14-D)EMERGENCY SPILLWAY DESIGN (N/A)##REQUIRED SPILLWAY CAPACITY Qe = Q25 - Qp = N/A##BOTTOM WIDTH (b) = N/AEXIT CHANNEL SLOPE (S) = N/AEXIT CHANNEL MINIMUM LENGTH (x) = N/A(FROM TABLE 3.14-C)ANTI-SEEP COLLAR DESIGN (IN USE)##DEPTH OF WATER AT PRINCIPAL SPILLWAY CREST (Y) = 9.45 FTSLOPE OF UPSTREAM FACE OF EMBANKMENT (Z) = 3.00 FTSLOPE OF PRINCIPAL SPILLWAY BARREL (Sb) = 0.0873 FT/FTLENGTH OF BARREL IN SATURATED ZONED (Ls) = 102 FT##NUMBER OF COLLARS REQUIRED = 3DIMENSIONS = 7.5' x 7.5' (PER PLATE 3.14-12)FINAL DESIGN ELEVATIONS##TOP OF DAM = 446.00(+0.00)DESIGN HIGH WATER = 444.00(-2.00)EMERGENCY SPILLWAY CREST = N/APRINCIPAL SPILLWAY CREST / DRY STORAGE ELEVATION = 443.75(-2.25)DEWATERING ORIFICE INVERT / WET STORAGE ELEVATION = 441.00(-5.00)CLEANOUT ELEVATION = 439.30ELEVATION OF UPSTREAM TOE OF DAM = 438.00(OR EXCAVATED BOTTOM OF "WET STORAGE AREA" IF EXCAVATION WAS PERFORMED)ELEV.AREAACC. VOL.ACC. VOL.(SF)(CF)(CY)438.003,05800439.005,5834,321160440.008,25811,241416441.009,35820,049743442.0010,59630,0261,112444.0013,15553,7771,992445.0017,18668,9482,554446.0020,15987,6203,245NOTE: INCLUDES THE OFFSITEROUTE 29 DRAINAGE AREA LIMITS O F DISTUR B A N C E STATE R O U T E 6 4 3 P O L O G R O U N D S R O A D ARCHER AVENUE STELLA LANE4B-2 DA: 3.78 AC. CN=56 4A-2 DA: 2.29 AC. C=58 4A-1 DA: 5.35 AC. C=59 4B-1A DA: 2.08 AC. CN=58 4B-1B (TO POND) DA: 4.60 AC. CN=83 4B-3 DA: 2.45 AC. CN=58 POI - 11 POI - 4B1 POI - 4B2 POND 11 BUILT WITH WPO201700037 EX. LEVEL SPREADER A A B BPROP. 48" RCP CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:54 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN 1"=150' SW C-900 STORMWATER COMPLIANCE SHEET PRE DEVELOPED CONDITIONS THE EXISTING CONDITIONS FOR THIS PLAN TAKE INTO ACCOUNT THE IMPROVEMENTS PROPOSED IN THE APPROVED WPO PLAN TITLED "VIRGINIA STORMWATER MANAGEMENT PLAN WPO201700037 FOR BROOKHILL SECTION 1, BLOCK 4A AND BLOCK 8A" DATED 4/19/2017 REVISED 9/27/17, AND THE ROAD IMPROVEMENT PLAN TITLED "ROAD IMPROVEMENT PLAN FOR STATE ROUTE 643 POLO GROUNDS ROAD AND BROOKHILL SECTION 1 BLOCK 4A" DATED 7/31/2017, REVISED 3/7/2018. THE SUBJECT SITE HAS THREE (3) SEPARATE POI'S, POI-4B1, POI-4B2, AND POI-11, AND IS SEPARATED BY THE ENTRANCE ROAD,"ROAD A", INTO THE DEVELOPMENT. THE SUBJECT SITE HAS NO EXISTING STRUCTURES LOCATED WITHIN THE DISTURBED AREAS ASSOCIATED WITH THIS PLAN. AREAS WITHIN BOTH DISTURBED AREAS HAVE BEEN PREVIOUSLY DISTURBED DURING THE CONSTRUCTION ACTIVITY ASSOCIATED WITH THE ABOVE REFERENCED PLANS. BLOCK 4A THE EXISTING CONDITIONS FOR BLOCK 4A, WHICH IS LOCATED ON THE SOUTH SIDE OF "ROAD A", CONSIST OF MAINLY UNDISTURBED WOODED AREAS WITH SLOPING TERRAIN THAT RANGES FROM 15% SLOPES TO OVER 30% SLOPES WITH AREAS OF MANAGED SLOPES WHERE SHOWN IN THIS PLAN. THE ENTIRE AREA LOCATED WITHIN BLOCK 4A ULTIMATELY OUTFALLS TO POI-11 AND HAS TWO (2) SUB DRAINAGE AREAS LABELED IN THIS PLAN AS 4A-1 AND 4A-2. DRAINAGE AREA 4A-1 HAS A PRE DEVELOPED AREA OF 5.35 AC. AND A CURVE NUMBER OF 59. THE PRE DEVELOPED FLOWS FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS FROM DRAINAGE AREA 4A-1 ARE 1.26 CFS, 3.09 CFS, AND 11.02 CFS RESPECTIVELY. ALL OF THE RUNOFF FROM DRAINAGE AREA 4A-1 IS ROUTED THROUGH THE PREVIOUSLY CONSTRUCTED WET POND, POND 11. DRAINAGE AREA 4A-2 HAS A PRE DEVELOPED AREA OF 2.29 AC. AND A CURVE NUMBER OF 58. THE PRE DEVELOPED FLOWS FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS FROM DRAINAGE AREA 4A-2 ARE 0.44 CFS, 1.16 CFS, AND 4.44 CFS RESPECTIVELY. ALL OF THE RUNOFF FROM DRAINAGE AREA 4A-2 IS CONVEYED THROUGH EXISTING NATURAL CHANNELS TO THE CULVERT THAT RUNS UNDER POLO GROUNDS ROAD, AND IS RELEASED AS SHEET FLOW THROUGH A LEVEL SPREADER AT POI-11. BLOCK 4B THE EXISTING CONDITIONS FOR BLOCK 4B, WHICH IS LOCATED ON THE NORTH SIDE OF "ROAD A", CONSIST OF MAINLY UNDISTURBED WOODED AREAS WITH SLOPING TERRAIN THAT RANGES FROM 15% SLOPES TO OVER 30% SLOPES WITH AREAS OF MANAGED SLOPES WHERE SHOWN IN THIS PLAN. BLOCK 4B HAS THREE (3) POI'S, POI-4B-1 AND POI-4B-2 AND POI-11. POI-4B-1 IS NEAR THE OUTFALL OF THE EXISTING EXTENDED DETENTION POND AND HAS TWO PRE DEVELOPED DRAINAGE AREAS WHICH ARE LABELED AS 4B-1A AND 4B-1B IN THIS PLAN. DRAINAGE AREA 4B-1A HAS A PRE DEVELOPED AREA OF 2.08 AC. WITH A CURVE NUMBER OF 58. THE PRE DEVELOPED FLOWS FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS FROM DRAINAGE AREA 4B-1A ARE 0.40 CFS, 1.06 CFS, AND 4.05 CFS RESPECTIVELY. ALL OF THE RUNOFF FROM DRAINAGE AREA 4B-1A IS CONVEYED THROUGH NATURAL DRAINAGE CHANNELS TO POI-4B-1. DRAINAGE AREA 4B-1B HAS A PRE DEVELOPED AREA OF 4.60 AC. WITH A CURVE NUMBER OF 83. THE PRE DEVELOPED FLOWS FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS FROM DRAINAGE AREA 4B-1B ARE 11.22 CFS, 15.15 CFS, AND 27.30 CFS RESPECTIVELY. ALL OF THE RUNOFF FROM DRAINAGE AREA 4B-1B IS ROUTED THROUGH THE EXISTING EXTENDED DETENTION POND AND RELEASED AT FLOW RATES OF 0.58CFS FOR THE 1-YEAR STORM EVENT, 0.82 CFS FOR THE 2-YEAR STORM EVENT, AND 17.52 CFS FOR THE 10 YEAR STORM EVENT, TO POI-4B-1. POI-4B-2 IS LOCATED AT THE POINT IN THE EXISTING UNNAMED STREAM WHERE ALL THE REMAINING RUNOFF FROM THE DISTURBED AREA IN BLOCK 4B CAN BE ACCOUNTED FOR AND HAS ONE (1) CONTRIBUTING DRAINAGE AREA WHICH IS LABELED AS 4B-2 IN THIS PLAN. DRAINAGE AREA 4B-2 HAS A PRE DEVELOPED AREA OF 3.78 AC. WITH A CURVE NUMBER OF 56. THE PRE DEVELOPED FLOWS FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS FROM DRAINAGE AREA 4B-2 ARE 0.65 CFS, 2.00 CFS, AND 8.06 CFS RESPECTIVELY. ALL OF THE RUNOFF FROM DRAINAGE AREA 4B-2 IS CONVEYED THROUGH EXISTING NATURAL CHANNELS TO POI-4B-2. THE FINAL DRAINAGE AREA LOCATED WITHIN BLOCK 4B IS LABELED AS 4B-3 IN THIS PLAN. DRAINAGE AREA 4B-3 HAS A PRE DEVELOPED AREA OF 2.45 AC. WITH A CURVE NUMBER OF 58. THE PRE DEVELOPED FLOWS FOR THE 1-YEAR, 2-YEAR, AND 10-YEAR STORM EVENTS FROM DRAINAGE AREA 4B-3 ARE 0.37 CFS, 1.06 CFS, AND 4.09 CFS RESPECTIVELY. ALL OF THE RUNOFF FROM DRAINAGE AREA 4B-3 IS CONVEYED THROUGH EXISTING NATURAL CHANNELS AND CULVERTS AND IS RELEASED AS SHEET FLOW THROUGH A LEVEL SPREADER AT POI-11. STORMWATER NARRATIVE PRE DEVELOPED DRAINAGE AREAS 1"=150' 0 15037.575150 SLOPE LEGEND PRESERVED SLOPES MANAGED SLOPES LIMITS O F DISTUR B A N C E STATE R O U T E 6 4 3 P O L O G R O U N D S R O A D ARCHER AVENUE STELLA LANEC 2 L16 C4C3 C5 L5 L8C7L19 L7 L20 L3L2 L12 L11L18L17L14C6 C8L234B-1 DA: 5.82 AC. CN=75 4A-1 DA: 5.40 AC. CN=87 4A-3 DA: 0.24 AC. CN=61 4A-2 DA: 2.0 AC. CN=69 4B-2 DA: 1.62 AC. CN=71 4B-3 DA: 0.21 AC. CN=61 4B-1B (TO POND) DA: 4.60 AC. CN=83 POND 4B PROP. LEVEL SPREADER LS-4B PROP. LEVEL II BIORETENTION W/ UNDERGROUND STORAGE. POI - 11 POI - 4B1 POI - 4B2 POND 11 BUILT WITH WPO201700037 EX. LEVEL SPREADER A A B BPROP. 48" RCP CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:55 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN 1"=150' SW C-901 STORMWATER COMPLIANCE SHEET CHANNEL PROTECTION THE PROPOSED IMPERVIOUS AREA IN BLOCK 4A HAS BEEN REDUCED FROM WHAT WAS PREVIOUSLY ACCOUNTED FOR IN THE WPO PLAN TITLED "VIRGINIA STORMWATER MANAGEMENT PLAN WPO201800013 FOR ROAD IMPROVEMENT PLAN PHASE I". THIS IN CONJUNCTION WITH ROUTING 5.4 ACRES TO A LEVEL 2 BIORETENTION, THAT INCLUDES UNDERGROUND STORAGE CAPACITY, HAS REDUCED THE 1-YEAR PEAK FLOW RELEASED FROM THE POST DEVELOPED BLOCK 4A DRAINAGE AREAS TO A RATE LOWER THAN PREVIOUSLY CALCULATED. AS A RESULT POND-11 IS ABLE TO FUNCTION AS PREVIOUSLY DESIGNED WITH A SLIGHTLY LOWER WATER SURFACE ELEVATION FOR THE ONE (1) YEAR STORM EVENT. THEREFORE, IT IS THE OPINION OF THE ENGINEER THAT THE PROPOSED DEVELOPMENT WITHIN BLOCK 4A MEETS THE ENERGY BALANCE REQUIREMENTS PER SECTION 9VAC25-870-66 - B - 3A. OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM, AND NO FURTHER ANALYSIS IS REQUIRED FOR BLOCK 4A. CHANNEL PROTECTION REQUIREMENTS FOR POI-4B-1 ARE BEING SATISFIED BY RELEASING THE POST DEVELOPED 1-YEAR STORMWATER RUNOFF AT A RATE LESS THAN THE ALLOWABLE RATE CALCULATED USING THE ENERGY BALANCE EQUATION PER SECTION 9VAC25-870-66 - B - 3a. OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. THE CONTRIBUTING DRAINAGE AREAS AND ASSOCIATED MAXIMUM ALLOWABLE FLOW RATES ARE SHOWN IN THE ENERGY BALANCE CALCULATION ON THIS SHEET, AS WELL AS THE THE STORMWATER OUTFALL TABLE ON SHEET C-905. IN ORDER TO RELEASE THE POST DEVELOPED 1-YEAR STORMWATER RUNOFF AT THE RATE SHOWN, THE RUNOFF HAS BEEN ROUTED THROUGH AN ISOLATOR ROW THAT IS IN SERIES WITH AN EXTENDED POND. IT IS THE OPINION OF THE ENGINEER THAT BECAUSE THE POST DEVELOPED RUNOFF TO POI-4B-1 IS ABLE TO BE CONTROLLED, AND RELEASED AT A RATE LESS THAN THAT REQUIRED RATE PER THE ENERGY BALANCE EQUATION, NO FURTHER ANALYSIS IS REQUIRED FOR POI-4B-1. THE POST DEVELOPED DRAINAGE AREA IN BLOCK 4B THAT DISCHARGES TO POI-4B-2 HAS BEEN DIRECTED TO A LEVEL SPREADER WHICH RELEASES THE RUNOFF AS SHEET FLOW TO CONSERVED OPEN SPACE AND THEREFORE MEETS THE CHANNEL PROTECTION REQUIREMENTS PER SECTION 9VAC25-870-66 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. ADDITIONALLY BY RELEASING THE STORMWATER RUNOFF AS SHEET FLOW AT A POINT CLOSER TO THE RECEIVING CHANNEL THE RUNOFF HAS LESS TIME TO RE-CONCENTRATE PRIOR TO ENTERING THE CHANNEL. IT IS THE OPINION OF THE ENGINEER THAT BECAUSE THE CHANNEL PROTECTION REQUIREMENTS SET IN SECTION 9VAC25-870-66 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM HAVE BEEN MET THE SITE IS IN COMPLIANCE AND NO FURTHER ANALYSIS IS REQUIRED. THE PERTINENT PLAN SHEETS FROM THE PLAN TITLED "VIRGINIA STORMWATER MANAGEMENT PLAN WPO201800013 FOR ROAD IMPROVEMENT PLAN PHASE I" ARE INCLUDED IN THIS PLAN FOR REFERENCE ONLY ON SHEETS C- 910 - C-913. FLOOD PROTECTION FLOOD PROTECTION ANALYSIS FOR POI-11 WAS CONDUCTED AS PART THE WPO PLAN TITLED "VIRGINIA STORMWATER MANAGEMENT PLAN WPO201800013 FOR ROAD IMPROVEMENT PLAN PHASE I" AND FOUND TO BE ADEQUATE DURING THIS ANALYSIS. THE 10-YEAR PEAK FLOWS ASSOCIATED WITH THE PROPOSED IMPROVEMENTS MADE IN BLOCK 4A ARE ADEQUATELY CONVEYED THROUGH THE EXISTING STORM NETWORK TO POND -11, WHERE IT IS DETAINED AND RELEASED FROM THE POND AT THE SAME RATE AS WAS PREVIOUSLY DESIGNED. THEREFORE, IT IS THE OPINION OF THE ENGINEER THAT BLOCK 4A IS IN COMPLIANCE WITH SECTION 9VAC25-870-66 - C -1 AND 9VAC25-870-66 - C -3C OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM, AND NO FURTHER ANALYSIS IS REQUIRED. FLOOD PROTECTION FOR POI-4B-1 HAS BEEN SATISFIED BY ANALYZING THE RECEIVING CHANNEL TO A POINT WHERE THE CHANNEL ENTERS A MAPPED FLOODPLAIN. THE CHANNEL CROSS SECTIONS CAN BE FOUND ON SHEET C-905 OF THIS PLAN SET AND THE ANALYSIS SHOWS THAT THE 10-YEAR FLOWS FROM THE EXISTING UNDISTURBED DRAINAGE AREAS COMBINED WITH THE ONSITE POST DEVELOPED DRAINAGE AREAS ARE CONFINED WITHIN THE CHANNEL AND DO NOT CREATE ANY ADDITIONAL LOCALIZED FLOODING. BASED ON THIS ANALYSIS IT IS THE OPINION OF THE ENGINEER THAT FLOOD PROTECTION REQUIREMENTS HAVE BEEN MET FOR POI-4B-1 AND NO FURTHER ANALYSIS IS REQUIRED. FLOOD PROTECTION REQUIREMENTS FOR POI-4B-2 ARE BEING BY MET BY RELEASING THE POST DEVELOPED STORMWATER RUNOFF TO POI-4B-2 AS SHEET FLOW, AND BY REDUCING THE PEAK 10-YEAR 24-HOUR FLOW RATE TO LESS THAN THE PRE DEVELOPED CONDITIONS. BASED ON THIS IT IS THE OPINION OF THE ENGINEER THAT FLOOD PROTECTION REQUIREMENTS HAVE BEEN MET FOR POI-4B-2 AND NO FURTHER ANALYSIS IS REQUIRED. THE PERTINENT PLAN SHEETS FROM THE PLAN TITLED "VIRGINIA STORMWATER MANAGEMENT PLAN WPO201800013 FOR ROAD IMPROVEMENT PLAN PHASE I" ARE INCLUDED IN THIS PLAN FOR REFERENCE ONLY ON SHEETS C- 910 - C-913. ADEQUATE OUTFALL NARRATIVE THE OUTFALLS FOR POIs 4B-1 AND 4B-2 BOTH DRAIN TO AN EXISTING ON SITE STREAM THAT CONVEYS THE RUNOFF TO A POINT WHERE THE CHANNEL CONVERGES WITH OTHER ONSITE STREAMS NEAR THE 100-YEAR MAPPED FLOODPLAIN. THE RUNOFF IS THEN CONVEYED THROUGH ANOTHER ONSITE CHANNEL TO A DUAL 5' X 5' BOX CULVERT UNDER POLO GROUNDS ROAD AND IS ULTIMATELY DISCHARGED INTO THE RIVANNA RIVER. SINCE THE 1-YEAR RELEASE RATE FOR POI-4B-1 IS LESS THAT WHAT IS ALLOWED BASED ON THE ENERGY BALANCE CALCULATIONS (SEE ENERGY BALANCE CALCULATIONS ON THIS SHEET) AND THE RUNOFF TO POI-4B-2 IS RELEASED AS SHEET FLOW, AND THE EXISTING CHANNEL HAS BEEN FOUND TO BE ABLE TO ADEQUATELY CONVEY THE 10-YEAR PEAK FLOWS FROM THE POST DEVELOPED DRAINAGE AREAS TO THE POINT WHERE IT REACHES THE 100-YEAR MAPPED FLOODPLAIN, IT IS THE PROFESSIONAL OPINION OF THE ENGINEER THAT THE ADEQUATE OUTFALL REQUIREMENTS FOR POIs 4B-1 AND 4B-2 HAVE BEEN MET. THE RUNOFF FROM BLOCK 4A HAS BEEN PREVIOUSLY ANALYZED IN THE PLAN TITLED "VIRGINIA STORMWATER MANAGEMENT PLAN WPO201800013 FOR ROAD IMPROVEMENT PLAN PHASE I" AND FOUND TO BE ADEQUATE AT THAT TIME. SINCE BLOCK 4A HAS BEEN DESIGNED TO MEET OR EXCEED THE PARAMETERS ESTABLISHED IN THE ABOVE MENTIONED PLAN IT IS THE PROFESSIONAL OPINION OF THE ENGINEER THAT THE ADEQUATE OUTFALL REQUIREMENTS FOR POI-11HAVE BEEN MET. WATER QUANTITY CONCLUSION IT IS THE OPINION OF THE ENGINEER THAT BECAUSE THE WATER QUALITY, CHANNEL PROTECTION, FLOOD PROTECTION, AND ADEQUATE OUTFALL REQUIREMENTS HAVE ALL BEEN SATISFIED, THIS SITE IS IN COMPLIANCE WITH THE WATER QUANTITY SECTION 9VAC25-870-66 OF THE VIRGINIA STORMWATER MANAGEMENT PROGRAM AND NO FURTHER ANALYSIS OR CALCULATIONS ARE REQUIRED. STORMWATER NARRATIVE POST DEVELOPED DRAINAGE AREASWATER QUANTITY ANALYSIS 1"=150' 0 15037.575150 ENERGY BALANCE Site:Brookhill POI 4B-1 County:Albemarle Storm Event:1 Year 24-Hour Rainfall Depth:3.0'' Point of Interest ID 4B-1 Comments Pre-Development Q, Flow (cfs)0.98 CN, Curve Number 75 RV, Runoff Depth (in)0.96 RV per Tables 11-C-27,11-C-30,11-C-32, 11-C-38 Drainage Area, Ac 6.68 RV, Runoff Volume (Ac-In)6.42 Post-Development Q, Flow (cfs)0.26 I.F.0.80 Improvement Factor CN, Curve Number 84 RV, Runoff Depth (in)1.52 RV per Table 11-C-27,11-C-36,11-C-37, 11-C-43 Area, Ac 10.42 RV, Runoff Volume 15.80 Energy Balance (EB) Q, Post-Dev (cfs)0.26 I.F. * Q pre * RV pre 0.32 Q, Post-Dev Allowable (cfs)RV post ** See Note 1 EB Achieved Yes 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. RV tables per VA SWM Handbook, CH 11, App 11-C SLOPE LEGEND PRESERVED SLOPES MANAGED SLOPES BLOCK 4B TREATED IMPERVIOUS AND MANAGED TURF AREAS ISOLATOR ROW EXTENDED DETENTION POND 4B 4B LEVEL SPREADER ROUTE 29 DRAINAGE AREA AND ONSITE MANAGED TURF AREAS ROOF AND MANAGED TURF AREAS POI-11 LEVEL SPREADER MANAGED TURF AREA BLOCK 4A LEVEL 2 BIORETENTION AREA BLOCK 4A ROOF AREAS UNTREATED MANAGED TURF AND PAVED AREAS STORM SEWER NETWORK POND 11 LEVEL SPREADER UNTREATED MANAGED TURF AREAS BLOCK 4A TREATED PAVEMENT AND MANAGED TURF U.S. ROUTE 29 SEMINOLE TRAILU.S. ROUTE 29 SEMINOLE TRAILARCHER AVENUE STELLA LANEC 2 L16 C4C3 C5 L5 L8C7L19 L7 L20 L3L2 L12 L11L18L17L14C6 C8L23PAVED AREA TREATED BY BIORETENTION 2.28 ACRES BLOCK 4A ROOF AREAS TREATED BY BIORETENTION 1.58 ACRES BIORETENTION AREA BR-4A LEVEL SPREADER (LS-4B) BLOCK 4B ROOF AREAS TREATED BY LEVEL SPREADER 0.25 ACRES PAVED AREA TREATED BY ISOLATOR ROW AND EXTENDED DETENTION POND 2.36 ACRES BLOCK 4B ROOF AREAS TREATED BY ISOLATOR ROW 0.80 ACRES BLOCK 4B ROOF AREAS TREATED BY ISOLATOR ROW 0.54 ACRES BLOCK 4B MANAGED TURF AND FUTURE PAVED AREAS TREATED BY LS-4B ISOLATOR ROW (PRETREATMENT AREA) EXTENDED DETENTION (POND 4B) BLOCK 4A MANAGED TURF AREA TREATED BY BIORETENTION 1.54 ACRES BLOCK 4A MANAGED TURF AREA TREATED BY POND-11 2.0 ACRES BLOCK 4A MANAGED TURF AREA TREATED BY LS-11 0.24 ACRES BLOCK 4B MANAGED TURF AREA TREATED BY LS-11 0.21 ACRES BLOCK 4B AREA TREATED BY POND-11 0.53 ACRES BLOCK 4B MANAGED TURF AREA TREATED BY POND 4B 1.24 ACRES BLOCK 4B MANAGED TURF AREA TREATED BY ISOLATOR ROW 0.88 ACRES OFFSITE AREA TREATED BY POND 4B PROP. 48" RC P CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:55 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN 1"=100' SW C-902 STORMWATER COMPLIANCE SHEET WATER QUALITY / BMP ANALYSIS TO MEET THE WATER QUALITY REQUIREMENTS SET BY THE VIRGINIA RUNOFF REDUCTION METHOD (VRRM) FOR THE AREA DISTURBED DURING THE DEVELOPMENT OF BLOCKS 4A AND 4B, MULTIPLE BEST MANAGEMENT PRACTICES (BMPs) WILL BE IMPLEMENTED, AND SEVERAL OF THE BMPs WILL BE ROUTED IN SERIES AS SHOWN IN THE VRRM WORKSHEETS SHOWN ON SHEET C-903. FOR BLOCK 4A, A PROPRIETARY LEVEL 2 BIORETENTION WILL BE USED AS THE PRIMARY PRETREATMENT MEASURE FOR 3.86 ACRES OF IMPERVIOUS LAND COVER AND 1.54 ACRES OF MANAGED TURF PRIOR TO BEING RELEASED INTO THE EXISTING STORM NETWORK AND ROUTED TO POND - 11. ADDITIONALLY 0.41 ACRES OF IMPERVIOUS LAND COVER AND 1.59 ACRES OF MANAGED TURF WILL BE CAPTURED BY THE EXISTING STORM NETWORK AND ROUTED TO POND - 11 FOR TREATMENT. THE REMAINING 0.24 ACRES OF MANAGED TURF WILL BE CONVEYED THROUGH EXISTING CHANNELS AND BE RELEASED THROUGH THE LEVEL SPREADER AT POI-11. BY IMPLEMENTING THE BMPs AS NOTED ABOVE THE STORMWATER MANAGEMENT DESIGN IS ABLE TO ACHIEVE A PHOSPHORUS REMOVAL RATE OF 10.43 LB/YR WITH A RUNOFF REDUCTION OF 15,765 CUBIC FEET. THIS DESIGN REMOVES 96.7% OF THE PHOSPHORUS AVAILABLE FOR REMOVAL WHICH EXCEEDS THE 91.9% REMOVAL RATE THAT WAS PREVIOUSLY ASSUMED FOR THIS DRAINAGE AREA IN THE POI-11 ANALYSIS. THE TOTAL PHOSPHORUS AVAILABLE FOR REMOVAL HAS BEEN REDUCED FROM THE ASSUMED 12.87 LB/YEAR TO 10.79 LB/YEAR DUE TO LESS IMPERVIOUS AREA BEING PROPOSED THAN WAS ORIGINALLY PLANED FOR. FOR BLOCK 4B, A PROPRIETARY ISOLATOR ROW IN SERIES WITH AN EXTENDED DETENTION POND WILL TREAT 3.7 ACRES OF IMPERVIOUS LAND COVER AND 0.88 ACRES OF MANAGED TURF. AN ADDITIONAL 1.24 ACRES OF MANAGED TURF WILL ROUTED DIRECTLY TO THE EXTENDED DETENTION POND WITHOUT ANY ADDITIONAL PRETREATMENT AND 0.35 ACRES OF MANAGED TURF AND 0.1 ACRES OF IMPERVIOUS LAND COVER WILL BE COLLECTED IN THE EXISTING STORM NETWORK AND ROUTED TO POND - 11 FOR TREATMENT. THE REMAINING TREATED RUNOFF WILL BE RELEASED AS SHEET FLOW TO CONSERVED OPEN SPACE THROUGH, WITH 0.21 ACRES OF MANAGED TURF CONVEYED THROUGH EXISTING CHANNELS TO THE LEVEL SPREADER AT POI-11 AND 1.62 ACRES, 0.45 OF WHICH ARE IMPERVIOUS, CONVEYED THROUGH OVERLAND FLOW TO THE PROPOSED LEVEL SPREADER LOCATED IN BLOCK 4B. BY IMPLEMENTING THE BMPs AS NOTED ABOVE THE STORMWATER MANAGEMENT DESIGN IS ABLE TO ACHIEVE A PHOSPHORUS REMOVAL RATE OF 5.74 LB/YR WITH A RUNOFF REDUCTION OF 2,364 CUBIC FEET. CONCLUSION WITH THE AREAS AND LAND COVERS NOTED ABOVE THE TOTAL PHOSPHORUS LOAD REDUCTION REQUIRED FOR THIS LAND DISTURBING ACTIVITY IS 15.33 LB/YEAR. THE BMP MEASURES NOTED ABOVE ARE ABLE TO ACHIEVE A PHOSPHORUS LOAD REDUCTION OF16.17 LB/YEAR, WHICH IS 0.84 LB/YEAR MORE THAN REQUIRED. ADDITIONALLY, THE DRAINAGE ARES THAT CONTRIBUTE TO POI-11 FROM THIS LAND DISTURBING ACTIVITY ARE TREATED AT A RATE HIGHER THAN WAS PREVIOUSLY PLANED FOR IN THE OVERALL ANALYSIS OF POI-11. THEREFORE, IT IS THE OPINION OF THE ENGINEER THAT ALL WATER QUALITY REQUIREMENTS HAVE BEEN SATISFIED FOR THIS LAND DISTURBING ACTIVITY AND NO FURTHER ANALYSIS IS REQUIRED. STORMWATER NARRATIVE WATER QUALITY ANALYSIS BLOCK 4A TREATMENT TRAIN DIAGRAM BLOCK 4B TREATMENT TRAIN DIAGRAM 1"=100' 0 1002550100 CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:55 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN NA SW C-903 STORMWATER COMPLIANCE SHEET (BLOCK 4A) (BLOCK 4B) VIRGINIA RUNOFF REDUCTION METHOD CALCULATIONS BLOCK 4 CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:55 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN NA SW C-904 STORMWATER COMPLIANCE SHEET BROOKHILL STORMWATER QUALITY COMPLIANCE TABLE Brookhill Stormwater Quality Summary Table Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 1 4A Apartments Pond 11 Wet Pond 1.26 WPO2018xxxx 0 0%1 4A Apartments BR-4A level 2 Bioretention (Manufactured Device)8.15 WPO2018xxxx 1 4A Apartments LS-11 Sheet flow to open space 1.03 WPO2018xxxx 1 4B Apartments Pond 11 Wet Pond 0.19 WPO2018xxxx 0 0%1 4B Apartments UD-4B Isolator Row (Manufactured Device)3.36 WPO2018xxxx 1 4B Apartments Pond 4B Extended Detentoin Pond 0.83 WPO2018xxxx 1 4B Apartments LS-11/LS-4B Sheet flow to open space 1.34 WPO2018xxxx 1 Town Center Commercial Area Pond 11 Wet Pond 1.76 WPO201800013 0 0%1 Town Center Commercial Area UD-IR Underground Detention w/Isolator Row 1.03 WPO201800013 1 Town Center Commercial Area PP-IR Permeable Pavement 2.31 WPO201800013 1 Town Center Commercial Area LS-11 Sheet flow to open space 1.32 WPO201800013 1 8A Senior Living Pond 11 Wet Pond 1.69 WPO201800013 0 0%1 8A Senior Living UD-8A Underground Detention w/Isolator Row (Manufactured Device)2.66 WPO201800013 1 8A Senior Living LS-11 Sheet flow to open space 1.27 WPO201800013 1 -ROW Pond 11 Wet Pond 3.19 WPO201800013 0 0%1 -ROW LS-11 Sheet flow to open space 2.39 WPO201800013 1 -Untreated Area to POI-11 LS-11 Sheet flow to open space 6.76 WPO201800013 0 0% Section 1 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposed w/master plan (lb/yr) Phosphorus Removal achieved w/proposed plan (lb/yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent of Total Development Offsite Credits (%) Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 1 Pond 4 Treatment Total 6.77 TBD 1 Pond 7 Treatment Total 8.11 TBD 1 Pond 10 Treatment Total 7.22 TBD 1 Pond 11 Treatment Total 9.68 8.09 Pond 4B Treatment Total -0.83 1 Manufactured Devices Treatment Total 2.62 15.2 1 Infiltration Treatment Total 21.71 2.31 1 Sheet Flow to Open Space Treatment Total 9.74 14.11 Section 1 BMP Treatment Total 65.85 40.54 Section 1 Offsite Nutrient Credits Total 6.8 3.87%0 0% Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 2 11 TBD TBD TBD TBD TBD TBD TBD 2 11 TBD TBD TBD TBD TBD TBD TBD 2 11 TBD TBD TBD TBD TBD TBD Section 2 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposed w/master plan (lb/yr) Phosphorus Removal achieved w/proposed plan (lb/yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent of Total Development Offsite Credits (%) Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 2 Pond 12 Treatment Total 8.06 TBD 2 Sheet Flow to Open Space Treatment Total 1.67 TBD Section 2 Treatment Total 9.73 TBD Section 2 Nutrient Credits Total 6.8 3.87%TBD TBD Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 3 13 TBD TBD TBD TBD TBD TBD TBD 3 13 TBD TBD TBD TBD TBD TBD TBD 3 12 TBD TBD TBD TBD TBD TBD TBD Section 3 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposed w/master plan (lb/yr) Phosphorus Removal achieved w/proposed plan (lb/yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent of Total Development Offsite Credits (%) Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 3 Pond 13A Treatment Total 9.13 TBD 3 Sheet Flow to Open Space Treatment Total 5.95 TBD Section 3 Treatment Total 15.08 TBD Section 3 Nutrient Credits Total 6.8 3.87%TBD TBD Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 4 14 TBD TBD TBD TBD TBD TBD TBD 4 14 TBD TBD TBD TBD TBD TBD TBD 4 14 TBD TBD TBD TBD TBD TBD TBD Section 4 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposed w/master plan (lb/yr) Phosphorus Removal achieved w/proposed plan (lb/yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent of Total Development Offsite Credits (%) Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 4 Pond 13A Treatment Total 14.05 TBD 4 Sheet Flow to Open Space Treatment Total 0.04 TBD Section 4 Treatment Total 14.09 TBD Section 4 Nutrient Credits Total 6.8 3.87%TBD TBD Section Block Common Name SWM Facility ID Type of Facility Phosphorus Removal achieved w/proposed plan (lb/yr) Plan # Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 5 16 TBD TBD TBD TBD TBD TBD TBD 5 17 TBD TBD TBD TBD TBD TBD TBD 5 18 TBD TBD TBD TBD TBD TBD TBD Section 5 Master Plan Comparison Section SWM Facility ID Phosphorus Removal proposed w/master plan (lb/yr) Phosphorus Removal achieved w/proposed plan (lb/yr) Anticipated Amount of Offsite Credits Purchased (lb/yr) Anticipated Percent of Total Development Offsite Credits (%) Amount of Offsite Credits Purchased (lb/yr) Percent of Total Development Offsite Credits (%) 5 Pond 14A Treatment Total 4.81 TBD 5 Pond 14B Treatment Total 6.42 TBD 5 Pond 15A Treatment Total 5.16 TBD 5 Pond 15B Treatment Total 5.14 TBD 5 Pond 16 Treatment Total 11.75 TBD 5 Grass Channel Treatment Total 2.1 TBD 5 Sheet Flow to Open Space Treatment Total 1.43 TBD Section 5 Treatment Total 36.81 TBD Section 5 Nutrient Credits Total 6.8 3.87%TBD TBD Overall Treatment Total 141.56 40.54 Overall Nutrient Credits Purchased 34 19.37%0 0.00% Anticipated Treatment Total With SWM Master Plan 175.56 Notes: 1. Even though we are currently only proposing to purchase 34 lb/yr or 19.35%, the total offsite credits available for purchase are 25% of the total 175.56 lb/yr required for the development, or 43.89 lb/yr CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:55 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN NA SW C-905 STORMWATER COMPUTATIONS AND DETAILS Stormwater Outfall Table Total Onsite Area (Acres) Outfall POI- 4B-1 Outfall POI-4B-2 Outfall POI-11 Drainage Area (Existing)6.68 3.78 10.09 Drainage Area (Developed)10.41 1.62 8.38 Runoff Reduction (cf)0 1885.0 0 Receiving Channel Type (Natural, Restored, or Manmade) Natural Natural Natural Channel Protection Compliance Method Meeting Energy Balance requirements Released as Sheetflow to Conserved Open Space Released as Sheetflow to Conserved Open Space Flood Protection Method Runoff conveyed in adequate channels/culverts to mapped floodplain 9VAC25-870-66 - C -1, 9VAC25-870-66 - C -3c Runoff conveyed in adequate channels/culverts to mapped floodplain 9VAC25-870-66 - C -1, 9VAC25-870-66 - C -3c Runoff conveyed in adequate channels/culverts to mapped floodplain 9VAC25-870-66 - C -1, 9VAC25-870-66 - C -3c 1-year 2-year 10-year 1-year 2-year 10-year 1-year 2-year 10-year CN Existing 75 75 75 56 56 56 58 58 58 Q_Existing (cfs)0.98 1.88 21.57 0.65 2.03 8.06 1.63 4.38 16.84 CN Developed 84 84 84 64 64 64 81 81 81 Q_Developed (cfs)0.26 1.53 28.45 1.123 2.01 5.38 4.62 7.154 26.31 Q_Allowed (cfs)0.31 1.88 21.57 -2.03 8.06 --- CHANNEL ANALYSIS NOTES: 1.THE EXISTING OFFSITE CONTRIBUTING DRAINAGE AREA OF 49.48 AC. IS BASED ON THE AREA DELINEATED IN THE "SEMINOLE TRIAL ROUTE 29 - WIDENING UPC 77383 PROJECT# 0029-002-135 DRAINAGE COMPUTATIONS & OUTFALL ANALYSIS" DATED OCTOBER 2015. 2.THE FLOW RATE OF 80.61USED TO ANALYZE SECTION A-A WAS CALCULATED BASED ON THE OFFSITE CONTRIBUTING DRAINAGE AREA OF 49.48 AC WITH A CURVE NUMBER OF 62 WHICH GENERATES A PEAK 10-YEAR FLOW RATE OF 63.08 CFS COMBINED WITH THE CALCULATED 10-YEAR RELEASE OF 27.30 CFS FROM THE EXISTING DETENTION POND. 3.THE FLOW RATE OF 102.20 USED TO ANALYZE SECTION B-B WAS CALCULATED BASED ON THE OFFSITE CONTRIBUTING DRAINAGE AREA OF 49.48 AC WITH A CURVE NUMBER OF 62 COMBINED WITH AN ADDITIONAL 21.34 AC. OF ONSITE DRAINAGE AREA WITH A CURVE NUMBER OF 59 WHICH GENERATES A PEAK 10-YEAR FLOW RATE OF 70.82CFS COMBINED WITH THE CALCULATED 10-YEAR RELEASE OF 27.30 CFS FROM THE EXISTING DETENTION POND. ISOLATOR ROW DETAILS L16L19L18 L 1 7 W W W W W W W W W WWW F F FWSTM ISO1 STM ISO2 STM B4 STM B3 STM B2 STM B5 STM B1 454 4 5 2 458 444442440438440445 442443445 45 4 4 5 4 4 5 6 456 45 0 446 444 442 444426428430432436434440442444448 446442444442444446470 468 466 464462 460 456 100 YR WSEL=444.35 10 YR WSE = 443.54 2 YR WSE = 442.54 1 YR WSE = 442.32 100 YR WSEL=444.35 10 YR WSE = 443.54 2 YR WSE = 442.54 1 YR WSE = 442.32 BOTTOM OF POOL = 437.50 PROP. 48" RCPA A 49.28 - 4 8" R C P @ 4. 3 0 % PROP. RISER STRUCTURE TW 437.75 BW 430.00 TW 437.75 BW 430.00 TW 431.75 BW 431.75 TW 432.00 BW 432.00 G 430.00 CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:56 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN AS NOTED SW C-906 POND 4B DETAILS 1"=20' 0 2051020 TOP OF DAM =446.40 1YR WSE=442.32 FOREBAY BOTTOM ELEV.=442.00 WITH 1.0% SLOPE TOWARDS FOREBAY SPILLWAY STABILIZED 10' FOREBAY SPILLWAY (RIPRAP) ELEV.=444.50 TOP OF BERM 445.80 POND 4B PROFILE NOT TO SCALE RIPRAP INLET CHANNEL PROTECTION 100 YR WSE=444.35 10 YR WSE=443.54 2 YR WSE=442.54 INV. OUT=430.00 10' CL-A1 RIP-RAP (OUTFALL PROTECTION)CONCRETE CRADLE 49.28' - 48" RCP @ 4.30% EW-2 ENDWALL 18" CLAY LINER (SEE GEOTECH REPORT) BMP/MICRO POOL WSE=437.50 FOREBAY POOL WSE=444.50 INV. OUT=434.30 POND 4B PROP. 49.28' - 48" RCP @ 4.30%PROP. 2.125" DIA ORIFICE INV=437.50 BMP/MICRO POOL = 437.50 10 YR WSE = 443.54 100 YR WSEL=444.35 PROP. 3.5' WIDE WEIR INV=442.40 ON TWO SIDES OF STRUCTURE PROP. TRASH RACK SEE DETAIL SHEET C-911 PROP. TRASH RACK SEE DETAIL SHEET C-911 PROP. TOP = 443.75 POND 4B RISER DETAIL NOT TO SCALE 2.0'2.5'2.0'2.5'6' 8"8" 1 YR WSE = 442.32 2 YR WSE = 442.54 10'10' PROP. INV = 367.00 PROP. TRASH RACK SEE DETAIL SHEET C-911 PROP. 4" DIA. OPENING TO BE COVERED WITH SOLID PLATE. CONTRACTOR TO DRILL A 2.125" DIA. ORIFICE AT INV=437.50 WHEN SITE HAS REACHED FINAL STABILIZATION PROP. TRASH RACK SEE DETAIL SHEET C-911 PROP. 4" DIA. OPENING WITH 6" DRAINAGE TUBE TO BE COVERED WITH SOLID PLATE UPON FINAL SITE STABILIZATION INV=441.00 PROP. 21.86' - 30" HDPE @ 1.14% PROP. ISOLATOR ROW (10) SC-740 CHAMBERS PROP. 24.09' - 30" HDPE @ 1.25%PROP. 72.89' - 30" RCP @ 1.51% GRANULAR ROAD BASE PAVEMENT PAVEMENT BACKFILL INV. OUT=445.00 INV. IN=444.70 INV. IN=445.00 INV. OUT=444.60INV. OUT=444.60 B2 RIM 454.08 ISO1 RIM 454.02 ISO2 RIM 454.50 INV. IN=445.20 ISOLATOR ROW PROFILE NOT TO SCALE PROP. MULTIFAMILY APARTMENTS 4 STORY 60' MAX PROP.HEIGHT (BUILDING TYPE 'C') FF = 456.50 BF = 445.84 PROP. MULTIFAMILY APARTMENTS 4 STORY 60' MAX PROP.HEIGHT (BUILDING TYPE 'D') FF = 458.50 BF = 447.84 115'PROP.LEVEL SPREADER L19L203' STONE LAYER 8" SPREADER LIP 7' V-DITCH SLSL14+81.15448442 4464464424404484 4 6 444444444452450G 442.75 G 444.69 G 446.45 G 445.00 G 446.50 G 445.00 G 442.00 G 441.33 G 442.00 G 441.33 G 442.00 G 441.33 G 445.00 G 445.00 G 447.00 G 447.75 G 445.75 G 445.75A CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:56 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN NA SW C-907 LEVEL SPREADER LS-4B DETAIL NOTES: 1.FILTER FABRIC MUST BE PERMEABLE AND MEET THE REQUIREMENTS FOUND IN STD. & SPEC. 3.19 IN THE VESCH. 2.THE RIGID LIP LEVEL SPREADER SHALL BE STANDARD WEIGHT 3000 PSI CONCRETE. 3.LEVEL SPREADER LENGTH SHALL BE DETERMINED BASED UPON THE LEVEL SPREADER DESIGN CALCULATIONS INCLUDED IN THIS PLAN. 4.CONTRACTOR TO ENSURE THAT THE RIGID LIP REMAINS AT A CONSTANT ELEVATION FOR THE ENTIRE LENGTH. LEVEL SPREADER RIGID LIP 8" DEEP V-DITCH EXISTING GRADE 2:1 MAX SLOPE 1'3' 8" LEVEL SPREADER DETAIL 7' MIN. MIN. 3' WIDE LAYER OF #57 STONE 3" THICK W/FILTER FABRIC LEVEL SPREADER PLAN VIEW SCALE:1"=20' SSSSSS24" RCP 24" RCP12" H D P E STM A14 WL STM A3 STM A2 STM A1 442 444 446 4 4 4 4 4 2 4404384464404304284 4 6 446433 432 434 436 434 434436438432434436436436 PROP. BYPASS STRUCTURE PROP. UNDERGROUND CHAMBERS RIM = 434.03 20'30' PROP. MEDIA AREA CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:56 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN NA SW C-908 BIORETENTION DETAILS BIORETENTION AREA PLAN VIEW SCALE: 1"=30' CONSTRUCTION NOT APPROVED FOR REVISIONS REV DATE COMMENT BY LOCATION OF SITE FOR PROJECT No.: DRAWN BY: CHECKED BY: DATE: SCALE: CAD I.D.: SHEET NUMBER: SHEET TITLE: PROJECT: H:\15\V152000\DRAWINGS\PLAN SETS\BLOCK 4A AND 4B FINAL SITE PLAN\WPO - BLOCK 4A AND 4B\V152000SW0.DWG PRINTED BY: DREARDON 6.12.18 @ 3:56 PM LAST SAVED BY: DREARDON V152000 EEN RTY 6/8/18 0 ROUTE 29 SEMINOLE TRAIL RD AND STATE ROUTE 643 POLO GROUNDS ROAD CHARLOTTESVILLE ALBEMARLE COUNTY, VA KNOW WHAT'S BELOW ALWAYS CALL 811 BEFORE YOU DIG It's fast. It's free. It's the law. TM 28 BLACKWELL PARK LANE, SUITE 201 WARRENTON, VIRGINIA 20186 Phone:(540) 349-4500 Fax:(540) 349-0321 VA@ BohlerEng.comSUSTAINABLE DESIGNLANDSCAPE ARCHITECTURESITE CIVIL AND CONSULTING ENGINEERINGLAND SURVEYINGPROGRAM MANAGEMENTPERMITTING SERVICESTRANSPORTATION SERVICESTMTHE INFORMATION AND CONTENT OF THIS PLAN ARE PROPRIETARY AND SHALL NOT BE COPIED OR USED FOR ANY PURPOSE WITHOUT PRIOR WRITTEN AUTHORIZATION FROMBOHLER ENGINEERING. ONLY APPROVED, SIGNED AND SEALED PLANS SHALL BE UTILIZED FOR CONSTRUCTION PURPOSES © 2016 BOHLER ENGINEERINGNEW ENGLANDUPSTATE NEW YORKNEW YORK, NYLEHIGH VALLEY, PASOUTHEASTERN, PASOUTHERN MARYLANDBALTIMORE, MDTAMPA, FLCENTRAL VIRGINIACHARLOTTE, NCRALEIGH, NCNORTHERN VIRGINIANEW JERSEYREHOBOTH BEACH, DESOUTH FLORIDABOSTON, MAPHILADELPHIA, PANEW YORK METROATLANTA, GADALLAS - FT. WORTH, TXLic. No. RYAN YAUGER 0402056625 6/8/18 BROOKHILL SECTION 1 BLOCKS 4A AND 4B APARTMENTS VIRGINIA STORMWATER MANAGEMENT PLAN NA SW C-909 BIORETENTION DETAILS FOR REFERENCE ONLY C-910 C-911 FOR REFERENCE ONLY FOR REFERENCE ONLY C-912 C-913 FOR REFERENCE ONLY C-914 FOR REFERENCE ONLY FOR REFERENCE ONLY C-915 C-916 FOR REFERENCE ONLY C-917 FOR REFERENCE ONLY