HomeMy WebLinkAboutWPO201800084 Plan - VSMP 2019-05-21V5MF PLAN FOR
LEGEND
EXIST
NEW
DESCRIPTION
165TO
x 125TC
TOP OF CURB ELEVATION
165
x 125
SPOT ELEVATION
WTW
x 125TW
TOP OF WALL ELEVATION
165BW
x 125BW
BOTTOM OF WALL ELEVATION
BENCHMARK
STORM SEWER
o
Ro
ROOF DRAIN
SEWER LINE
-s"w-
CW
WATER LINE
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cns
GAS LINE
oue
S E
OVERHEAD ELECTRIC WIRE
-ucc
ucE
UNDERGROUND ELECTRIC
-�*-
OFT
OVERHEAD TELEPHONE LINE
-ucT
uGr
UNDERGROUND TELEPHONE LINE
D
-
DRAIN INLET (DI)
0
0
STORM/SANITARY MANHOLE
C
C
PLUG
0*v
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WATER VALVE & BOX
♦
♦
FIRE HYDRANT
®
cK
WATER METER
♦�
♦�
LIGHT POLE
f
UTILITY POLE
PROPERTY LINE
- - - -
ADJACENT PROPERTY LINE
VACATED PROPERTY LINE
BUILDING SETBACK
X
PARKING SETBACK
ROYAL FERN FHA5f 2
WFO 201600084
TAX MAP 76 PARCEL 4GA * 54
5AMUEL MILLER MAGISTERIAL DISTRICT
ALBEMARLE COUNTY, VIRGINIA
VICINITY MAP SCALE: 19V=1,000'
SHEET INDEX
IMAGE PROVIDED BY ALBEMARLE COUNTY GIS
--"'-
SANITARY EASEMENT
C I
- COVER SHEET
GRADING EASEMENT
C2
- EXISTING CONDITIONS
DRAINAGE EASEMENT
UTILITY EASEMENT
C3
- SITE LAYOUT
WATER EASEMENT
C4
- UTILITY PLAN
ACCESS EASEMENT
C5
- GRADING PLAN
STORM DRAINAGE EASEMENT
CG
- EROSION CONTROL NARRATIVE
C7
- WET POND DRAINAGE MAP
TREE LINE
C8
- ESCP STAGE I - MASS GRADING
FENCE
C9
- ESCP STAGE I I - GENERAL CONSTRUCTION
_
STREAM
C 10
- EROSION CONTROL DETAILS
312-
-12-
INTERVAL CONTOUR
CI I
- STORM SEWER PROFILES
- 300-
- DO -
INDEX CONTOUR
C 12
- E*S AND SWM DETAILS
CG-2
Cc-2
STANDARD 6" CURB
CG-6
CG-6
COMBINATION 6" CURB & GUTTER
CONCRETE PAVEMENT / SIDEWALK
RIPRAP
ASPHALT
GRASS
EC-2 MATTING
EC-3 MATTING
WETLAND
to
10
PARKING COUNT
APPROVED
-
CROSSWALK
by the Albemarle County
Community Department
HANDICAP ACCESSIBLE AISLE
Date06/11/2019
File WP0201800084
®
/EL
CG-12
&
HANDICAP PARKING
NOTE:
1. THE SIZE OF THE SYMBOLS MAY VARY FROM WHAT IS SHOWN.
OWNER / DEVELOPER STEEP SLOPES
ALL ONSITE MANAGED SLOPES ARE SHOWN,
OWNER: GAMBIT LLC & SNOW PAWS LLC ET ALS
PO BOX 6846
CHARLOTTESVILLE, VA 22906 WATERSHED
DEVELOPER: LAND STRIKER LLC MOORES CREEK WATERSHED
250 W MAIN ST STE. 201
CHARLOTTESVILLE, VA 22902
NOTE: DEVELOPER IS RESPONSIBLE FOR LAND DISTURBANCE. LAND USE SCHEDULE
LEGAL REFERENCE: DB 4573 PG 270 TOTAL PARCEL AREA .............. 8.55 Ac.
DB 4431 PG 372 (Deed of Exchange) AREA IN LOTS 5.05 Ac.
DB 3038 PG 088 (Deed of Correction) AREA IN ROW ......................... 0.75 Ac.
DB 2168 PG 106-122 (Plat & SWM Pond) AREA IN OPEN SPACE ............. 2.75 Ac.
ZONING: R-2 RESIDENTIAL TOTAL IMPERVIOUS AREA ........... 3.65 AC (42.7% OF SITE)
TOTAL TURF AREA ...................... 4.90 AC (57.3% OF SITE)
SOURCE OF BOUNDARY & TOPO TOTAL WOODS AREA ................... 0.00 AC (00.0% OF SITE)
SOURCE OF BOUNDARY SURVEY: BOUNDARY INFORMATION COMPILED FROM PLATS OF RECORD. ADJOINING PROPERTY DISTURBED AREA ...................... 8.70 AC
LINES FROM ALBEMARLE COUNTY GIS DATA. BMP MAINTENANCE
SOURCE OF TOPOGRAPHY: TWO (2) FOOT CONTOUR INTERVAL
TOPOGRAPHY FROM LOUISA AERIAL PER DB 2168 PG 106-122, A PERPETUAL NON-EXCULSIVE
SURVEYS, INC (08/22/07). FIELD VERIFIED EASEMENT FOR THE USE OF THE POND EXISTS. OWNER IS
BY SHIMP ENGINEERING, P.C. (05/15/18). SUBJECT TO THE MAINTENANCE PROVISIONS REFERENCED
SUPPLEMENTED WITH ADDITIONAL SURVEY THEREIN.
BY ROGER W. RAY & ASSOC. (10/02/18) FLOOD ZONE
WET POND AS -BUILT TOPOGRAPHIC INFO
PROVIDED BY RK&K, LLP. AS -BUILT TOPO ACCORDING TO THE FEMA FLOOD INSURANCE RATE MAP, EFFECTIVE DATE
SHOWN PER FIFTH STREET PLACE STORMWATER FEBRUARY 4, 2005 (COMMUNITY PANEL 51003CO269D), THIS PROPERTY DOES
SURVEY CONDUCTED BY ROUDABUSH, GAALE, BUILT AS -BUILT PLAN DATED 1 A NOT LIE WITHIN THE ZONE AE 100-YEAR FLOOD PLAIN.
UDA
ASSOC.
BENCHMARK(S): NAVD88,
NAD83 VA STATE PLANE SOUTH
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, one week 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 minimum standards and specifications of the Virginia Erosion and Sediment Control
Handbook and Virginia Regulations 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, but not limited to, off -site borrow or waste areas), the contractor shall submit
a supplementary erosion control plan to the owner for review and approval by the plan approving authority.
6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and sedimentation as determined by the plan approving authority.
7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site development until final stabilization is achieved.
8. During dewatering operations, water will be pumped into on approved filtering device.
9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of
the erosion control devices shall be made immediately.
10. 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, free of 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 of 7:00am to 9:00pm.
15. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and
improvements, and damage to any public street because o slides, sinking, or collapse.
16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where applicable all erosion control measures required by
this plan regardless of the 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 Ibs/acre, and in the months of September to February to consist a 50/50 mix of Annual
Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf.
Alternatives are subject to approved by the County erosion control inspector.
18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6
inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky
31 or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion
control inspector.
19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to be repaired immediately. Silt traps are to be
cleaned when 50% of the wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion
dykes which are collecting sediment to half their height must be cleaned and repaired immediately.
20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the
County erosion control inspector.
21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance section 17-204G.)
22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection Ordinance section
17-2078)
GENERAL CONSTRUCTION NOTES FOR
STORMWATER MANAGEMENT PLANS
1. All dams and constructed fill to be within 95% of maximum dry density and 2% of optimum moisture content. All fill material to be approved by a geotechnical engineer. A
geotechnical engineer is to be present during Construction of dams.
2. Pipe and riser joints are to be watertight within stormwater management facilities.
3. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and
permission has been obtained from the County erosion control inspector.
GENERAL CONSTRUCTION NOTES
1. Prior to any construction within any existing public right-of-way, including connection to any existing road, a permit shall be obtained from the Virginia Department of Transportation (VDOT).
This plan as drawn may not accurately reflect the requirements of the permit. Where any discrepancies occur the requirements of the permit shall govern.
2. All materials and construction methods shall conform to current specifications and standards of VDOT unless otherwise noted.
3. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction.
4. All slopes and disturbed areas are to be fertilized, seeded and mulched.
5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, lesser slopes of 3:1 or better are to be achieved.
6. Paved, rip -rap or stabilization mat lined ditch may be required when in the opinion of the County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel.
7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices.
8. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe - Class III.
9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926).
LINE
BEARING
DISTANCE
L1
S65°30'00"W
89.04
L2
S72°02'03"W
53.34
L3
S57°28'58"W
51.57
L4
S56°46'20"W
110.53
L5
S89°47'34"W
42.66
L6
N56 49 31"E
25.00
L7
N87 55'38"W
91.84
L81
S56°49'31"W
51.00
L9
N33°10'29"W
31.31
L10
S02 12 39"W
17.83
L11
S83 12 36"W
176.56
L12
S06 37'57"E
25.00
L13
S83°22'03"W
47.69
L14
N78'31'14"E
30.72
L15
N53`15'37"E
23.02
L16
N18`25'37"E
137.78
L17
N30`49'58"E
14.20
L1 8T
N59`09'56"W
3.82
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Scale: 1 "=40' 18.004
LINE
DELTA
RADIUS
ARC
TANGENT
CHORD
CHORD BEARING
C1
14°02'41"
1964.86
481.64
242.03
480.43
S69°20'20"W
C2
20°32'06"
502.76
180.19
91.07
179.23
S44°51'01 "W
C3
48°40'38"
452.46
384.40
204.66
372.94
S58°59'34"W
C4
2940'22"
481.31
249.26
127.49
246.49
N81°47'46"W
C5
14'15'06"
578.08
143.79
72.27
143.42
N85`50'49"E
C6
25 23 26'
119.55
52.98
26.93
52.55
N65 58 00"E
C7
15°56 56'
538.87
150.00
75.49
149.52
N4519 29"E
C8
18°52'24"
401.04
132.10
66.66
131.51
N27'49'16"E
C9
3 01'13"
3044.10
160.47
80.25
160.45
N19°59'49"E
C10
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525.00
10.31
5.16
10.31
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C11
7 31 22'
200.00
26.26
13.15
26.24
S76°14'42"E
C12
26'12'51"
601.62
275.26
140.08
272.86
S02°48'46"E
C13
0 28'02"
3044.10
24.82
12.41
24.82
N21'44'27"E
C14
053'42"
3044.10
47.55
23.78
47.55
N22'25'19"E
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PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION
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PROJECT DESCRIPTION
THIS SITE IS 2 WOODED LOTS BORDERED BY 5TH STREET, WAHOO WAY, OLD LYNCHBURG RD, & THE
REGION 10 FACILITY IN ALBEMARLE COUNTY BEING DEVELOPED INTO A RESIDENTIAL SUBDIVISION. THE
DEVELPOMENT WILL CONTAIN SINGLE-FAMILY LOTS ON PARCEL 46A AND MULTIFAMILY LOTS ON
PARCEL 54.
THE TOTAL AREA OF DISTURBANCE IS 8.70 ACRES.
THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES:
1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT PERMITTING
REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE
PERMIT REQUIREMENTS.
2. INSTALLATION OF PERMANENT EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON THE
PLAN AND DETAILS.
3. GRADING AND PLACEMENT OF FILL SHALL BE IN GENERAL ACCORDANCE WITH THE PLAN.
4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS.
EXISTING SITE CONDITIONS
THE EXISTING SITE IS VACANT WITH LOTS ZONED R-2 & R-10.
ADJACENT PROPERTIES
THIS PROPERTY IS BORDERED TO THE NORTH, EAST, AND SOUTH BY EXISTING STREETS. TO THE
WEST AND UPSTREAM OF THE PROPERTY LIES THE "REGION 10" DEVELOPMENT.
OFFSITE AREAS:
SOIL MAY NEED TO BE IMPORTED TO THE SITE FROM SITES WHICH SHALL HAVE EROSION CONTROL
PERMITS.
SOILS
THE SITE CONTAINS THE FOLLOWING SOIL TYPES:
27B - ELIOAK LOAM - 2 TO 7% SLOPES, HSG B,
27C - ELIOAK LOAM - 7 TO 15% SLOPES, HSG B,
27D - ELIOAK LOAM - 15 TO 25% SLOPES HSG B
34C - GLENELG LOAM - 15 TO 25% SLOPES HSG B
39D - HAZEL LOAM - 15 TO 25% SLOPES, HSG B
CRITICAL AREAS
NO CRITICAL AREAS HAVE BEEN IDENTIFIED WITHIN THE SITE.
EROSION & SEDIMENT CONTROLS
1. SAFETY FENCE: A PROTECTIVE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN
EROSION CONTROL MEASURE. STD. AND SPEC. 3,01.
2. CONSTRUCTION ENTRANCE: INSTALL AND MAINTAIN A CONSTRUCTION ENTRANCE AS NECESSARY
THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.02 AND CONFORMS WITH THE
REQUIREMENTS OF THE EROSION & SEDIMENT CONTROL PLAN.
3. SILT FENCE: INSTALL AND MAINTAIN SILT FENCE THAT MEETS THE REQUIREMENTS OF STD. AND
SPEC. 3.05. THIS SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE EROSION & SEDIMENT
CONTROL PLAN AND ACCOMPANYING DETAILS FOR THE PURPOSE OF INTERCEPTING SILT -LADEN
RUNOFF BEFORE IT IS DISCHARGED FROM THE SITE. THE SILT FENCE SHALL BE INSPECTED AND
MAINTAINED TO ENSURE CONTINUED PERFORMANCE.
4. TEMPORARY SEDIMENT TRAP: A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN
EMBANKMENT WITH A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN
RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED
SOLIDS TO SETTLE OUT. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS, STD. AND SPEC. 3.13. TO BE
CONVERTED INTO A PERMANENT DETENTION POND AT THE END OF CONSTRUCTION AS DETAILED.
5. TEMPORARY DIVERSION DIKE: A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE
OF A SLOPING DISTURBED AREA WHICH DIVERTS SEDIMENT -LADEN RUNOFF TO A SEDIMENT
TRAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.09. THE
CLEANWATER DIVERSIONS WILL BE MADE STABLE BY THE USE OF VDGT LD-268 DESIGN
STANDARDS.
6. TEMPORARY SEEDING: DENUDED AREAS TEMPORARY SEEDING SHALL BE APPLIED TO ALL D WITHIN
E E
SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE BUT WILL
REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 14 DAYS. TEMPORARY SEEDING SHALL BE
APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31.
7. PERMANENT SEEDING: PERMANENT SEEDING SHALL BE APPLIED TO AREAS DELINEATED ON THESE
PLANS WITHIN SEVEN 7 DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE P H I E H SITE.
PERMANENT SEEDING STABILIZES DISTURBED AREAS AND ENHANCES THE BEAUTY OF THE SITE.
8. MULCHING: APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL
SURFACE TO PREVENT EROSION AND FOSTER THE GROWTH OF VEGETATION. ORGANIC MULCHES
(STRAW) HAVE BEEN FOUND TO BE THE MOST EFFECTIVE.
9. DUST CONTROL: CONDUCT DUST CONTROL OPERATIONS NECESSARY TO MET THE REQUIREMENTS
OF STD. & SPEC. 3.39 AS REQUIRED TO CONTROL SURFACE AND AIRBORNE MOVEMENT OF DUST.
10.INLET PROTECTION: INLET PROTECTION MEASURES AROUND THE NEW INLETS SHALL BE PROVIDED
IN ACCORDANCE WITH STD. AND SPEC. 3.07. SILT FENCE, STRAW BALES OR TEMPORARY STONE
APPLICATIONS SHALL BE APPLIED AS APPROPRIATE FOR CURRENT GRADE CONDITIONS,
11.OUTLET PROTECTION: RIP -RAP SHALL BE PROVIDED AT THE OUTFALL OF CONVEYANCE
CHANNELS, CULVERTS, AND STORM SEWERS IN CONFORMANCE WITH STD. AND SPEC. 3,18.
OUTLET PROTECTION SHALL BE INSTALLED WITH ACCOMPANYING STORM SEWERS AND SHALL BE
INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRED IF NECESSARY. ANT SEDIMENT BUILD
UP SHALL BE REMOVED.
PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION
THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED
SEQUENCE OF CONSTRUCTION:
STAGE 1
1. INSTALL CONSTRUCTION ENTRANCE OFF OLD LYNCHBURG ROAD. TRUCKS
SHALL BE CLEANED PRIOR TO LEAVING SITE.
2. INSTALL SILT FENCE, DIVERSIONS, SEDIMENT BASIN 1 AND SEDIMENT TRAP 3.
STAGE 2
CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND
APPROVAL OF ALL E&S CONTROL MEASURES.
STAGE 3
1. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN SITE WORK.
2. INSTALL UTILITIES AND COMPLETE MASS GRADING. PUBLIC ROAD SHOULD BE
GRADED FIRST. BRING ROAD TO GRADE AS SHOWN ON SHEET C8. PRIVATE ROAD
8 SHALL ACT AS AN EXTENSION OF THE SEDIMENT BASIN. MAINTAIN SEDIMENT
TRAPS AND BASIN UNTIL UPSTREAM GRADING IS COMPLETE. TRAP SHOULD BE
REMOVED FIRST AFTER UPSTREAM AREA IS STABILIZED. SEDIMENT BASIN SHOULD
REMAIN UNTIL TOWNHOMES ARE BUILT AND DETENTION PIPE IS INSTALLED.
3. INSTALL ADDITIONAL CONTROL MEASURES AS SHOWN ON SHEET C9.
4. MAINTAIN PERIMETER CONTROLS UNTIL ROAD CONSTRUCTION IS COMPLETED
AND SITE HAS ACHIEVED TEMPORARY STABILIZATION.
STAGE 4
1. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING
AND PERMANENT SEEDING.
2. ESTABLISH AND MAINTAIN PERMANENT STABILIZATION, INCLUDING VEGETATION
OF ALL SLOPES AND GRASSED AREAS.
3. WHEN SITE HAS REACHED STABILIZATION. REMOVE PERIMETER CONTROLS.
CONSTRUCTION MAINTENANCE
THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE.
1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT.
ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS
PRACTICABLE.
2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR
SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE
LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL.
3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH
IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER
APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS.
4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS
MAINTAINED.
5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE
DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL BE
MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN.
ENVIRONMENTAL CONTROLS
1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO
COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO
WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS.
2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION
CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED
EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE
PROJECT.
EROSION & SEDIMENT CONTROL PERMITTING
CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND
SEDIMENT CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN
ACCORDANCE WITH THE PERMIT REQUIREMENTS.
GENERAL NOTES
1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING UNDERGROUND
UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND DATA FURNISHED TO
THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS. THE
OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF
SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING
THE ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR COORDINATION OF
THE WORK WITH OWNERS OF SUCH UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE
SAFETY AND PROTECTION THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM
THE WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER.
THE CONTRACTOR SHALL CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO
THE START OF WORK.
2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES POLES UTILITIES, ETC., THE CONTRACTOR
SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE,
ANY DAMAGE CAUSED BY THE CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE THE CONTRACTOR'S
SOLE RESPONSIBILITY TO REPAIR OR REPLACE. THIS EXPENSE IS THE CONTRACTOR'S RESPONSIBILITY.
3. REPLACEMENT OR REPAIR OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE.
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM
DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO
MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES.
5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND
OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF TRANSPORTATION
PRIOR TO COMPLETING ANY OFF -SITE WORK.
6. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY
OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION.
7. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR
THE CONSTRUCTION INDUSTRY (29 CFR PART 1926).
8. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL BOUNDARIES, BUILDINGS, VEGETATION, AND
OTHER PERTINENT SITE ELEMENTS. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES
BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER.
9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED
MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS
AND LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE GENERAL AND WILL
NOT RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND
FOR ANY ERROR THAT MAY EXIST.
1O. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS, INSPECTIONS,
BONDS, AND OTHER RELATED ITEMS IN ACCORDANCE WITH LOCAL AND STATE POLICY.
STORMWATER MANAGEMENT:
1. PER DB 2168 PG 106-122, A PERPETUAL NON-EXCULSIVE EASEMENT FOR THE
USE OF THE WET POND ON TMP. 76-54A1 EXISTS. ALL CONCENTRATED ONSITE
RUNOFF SHALL BE ROUTED INTO MANMADE CHANNELS WHICH OUTLET INTO THIS
WET POND WHICH WAS APPROVED WITH SDP 200100129 AND EXPANDED WITH
WPO 201500094.
2. THE CHANNELS INTO WHICH RUNOFF FROM THE ROYAL FERN PHASE 2
DEVELOPMENT WILL OUTLET WERE DESIGNED FOR A FULLY BUILT OUT SITE PER
PAGES 6 & 14-16 OF THE SWM CALCULATION PACKET FROM SDP 200100129.
THE POST-DEV DRAINAGE AREA MAP FROM THIS SITE PLAN IS INCLUDED ON
THIS SHEET.
3. THE WET POND IS CURRENTLY DESIGNED TO TREAT A TOTAL DRAINAGE AREA OF
72.72 ACRES WITH 63% IMPERVIOUS LAND COVER. PER SWM CALCULATION
PACKET FOR SDP 2001000129, THE ROYAL FERN PHASE 2 DEVELOPMENT
(LISTED AS THE HEISCHMAN WESTERN RESIDUE) WAS ASSUMED TO HAVE AN
80% IMPERVIOUS AREA FOR WATER QUANTITY VOLUME. THE ROYAL FERN PHASE
2 DEVELOPMENT HAS 42.7% IMPERVIOUS AREA, SO THE WATER QUANTITY
TREATMENT IS FULLY COVERED BY THE WET POND ON TMP 76-54A1. REFER TO
PAGES 1-21 OF THE SWM CALCULATION PACKET FROM SDP 200100129 FOR
ORIGINAL DESIGN CALCULATIONS FOR THE POND. REFER TO SHEETS SWM-1
FROM WPO 201500094 FOR REVISED POND QUANTITY/QUALITY DESIGN. REFER
TO SWM-7 THRU SWM-10 FROM WPO 201500094 FOR REVISED POND DRAINAGE
AREAS.
4. THE AS -BUILT WET POND HAS BEEN CONSTRUCTED PER APPROVED DESIGN
FROM WPO 201500094. AS -BUILT WET POND INFO IS SHOWN ON SHEET C7.
REFER TO "FIFTH STREET PLACE STORMWATER AS -BUILT" DATED 11/20/2018.
MINIMUM STANDARDS (MS)
All applicable Virginia Erosion and Sediment Control Regulations and Minimum
Standards shall be adhered to during all phases of construction. These
include, but are not limited to the following:
1. STABILIZATION OF DENUDED AREAS:
Permanent or temporary soil stabilization shall be applied to bare areas
within seven days after final grade is reached on any portion of the site.
Temporary soil stabilization shall be applied within seven days to denuded
areas that may not be at final grade, but will remain dormant or
undisturbed for longer than 14 days. Permanent stabilization shall be
applied at areas that are to be left dormant for more than 1 year.
2.STABILIZATION OF SOIL STOCKPILES:
During construction of the project, soil stockpiles shall be stabilized or
protected with sediment trapping measures. The applicant is responsible for
temporary protection and permanent stabilization of all soil stockpiles on
site as well as soil intentionally transported from the project site.
3.PERMANENT VEGETATIVE COVER
A permanent vegetative cover shall be established on denuded areas not
otherwise permanently stabilized. Permanent vegetation shall not be
considered established until a ground cover is achieve that, in the opinion
of the county Inspector, is uniform and mature enough to survive to inhibit
erosion.
4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES:
Sediment basins and traps, perimeter dikes, sediment barriers and other
measures intended to trap sediment shall be constructed as a first step in
any land disturbing activity and shall be made functional before upslope
land p disturbance takes lace.
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5. STABILIZATION OF EARTHEN STRUCTURES:
Stabilization measures shall be applied to earthen structures such as
dams, dikes and diversions immediately after installation.
6. SEDIMENT TRAPS AND BASINS:
A sediment basin shall control surface runoff from disturbed areas that is
comprised of flow from drainage areas greater than or equal to three acres.
The sediment basin shall be designed and constructed to accommodate the
anticipated sediment loading for the land disturbing activity. The outfall
device or system device shall take into account the total drainage area
flowing through the disturbed area to be served by the basin.
7. CUT AND FILL SLOPES:
Cut and fill slopes shall be designed and constructed in a manner that
P 9
will minimize erosion. Slopes that are found to be eroding excessively
within one year of permanent stabilization shall be provided with additional
slope stabilizing measures until the problem is corrected.
& CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES:
Concentrated runoff shall not flow down cut or fill slopes unless contained
within an adequate temporary or permanent channel flume or sloe drain
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structure.
9.WATER SEEPS FROM A SLOPE FACE:
Whenever water seeps from a slope face, adequate drainage or other
protection shall be provided.
IO.STORM SEWER INLET PROTECTION:
All storm sewer inlets that are made operable during construction shall
be protected so that sediment -laden water cannot enter the conveyance
system without first being filtered or otherwise treated to remove sediment.
11. STABILIZATION OF OUTLETS:
Before newly constructed stormwater conveyance channels are made
operational, adequate outlet protection and any required temporary or
permanent channel lining shall be installed in both the conveyance channel
and receiving channel.
12.WORK IN LIVE WATERCOURSES:
When work in a live watercourse is '
erformed precautions shall be taken
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to minimize encroachment control sediment transport and stabilize the work
area to the greatest extent possible during construction. Nonerodible
material shall be used for the construction of causeways and cofferdams.
Earthen fill may be used for these structures if armored by nonerodible
cover materials.
13.CROSSING A LIVE WATERCOURSE:
When a live watercourse must be crossed by construction vehicles more
than twice in any six month period, a temporary stream crossing
constructed of nonerodible materials shall be provided.
14.APPLICABLE REGULATIONS:
All applicable federal, state and local regulations pertaining to working in
or crossing live watercourses shall be met.
15. STABILIZATION OF BED AND BANKS
The bed and banks of a watercourse shall be stabilized immediately after
work in the watercourse is completed.
16.UNDERGROUND UTILITIES:
Underground utilities shall be installed in accordance with the following
standards in addition to other criteria:
o.No more than 500 linear feet of trench may be opened at one time.
b.Excavoted material shall be placed on the uphill side of trenches
c.Effluent for dewatering operations shall be filtered or passed through
approved sediment trapping device, or both, and discharged in a manner
that does not adversely affect flawing streams or offsite property.
d.Materiol used for backfilling trenches shall be properly compacted in order
to minimize erosion and promote stabilization.
e.Restabilization shall be accomplished in accordance with these regulations.
f. Applicable safety regulations shall be complied with.
17.CONSTRUCTION ACCESS ROUTES:
Where construction vehicle access routes intersect paved public roads,
provisions shall be made to minimize the transport of sediment by vehicular
tracking onto paved surfaces. Where sediment is transported on to a
public road surface, the road shall be cleaned thoroughly at the end of
each day. Sediment shall be removed by shoveling or sweeping and
transported to a sediment control disposal area. Street washing shall be
allowed only after sediment is removed in this manner. This provision shall
apply to individual lots as well as to larger land disturbing activities.
18.TEMPORARY E&S CONTROL MEASURE REMOVAL:
All temporary erosion and sediment control measures shall be removed
within 30 days after final site stabilization or after temporary measures are
no longer needed, unless otherwise authorized by the local program
authority. Trapped sediment and the disturbed soil areas resulting from the
disposition of temporary measures shall be permanently stabilized to prevent
further erosion and sediment.
19.ADEQUACY OF RECEIVING CHANNELS:
Properties and waterways downstream from the development site shall be
protected from sediment deposition, erosion and damage, due to increases
in volume, velocity and peak flow rates of stormwater runoff for the stated
frequency storm of 24-hour duration.
TIi -
PN M. SHMP D
N4183
l.I I I q
�Irei 01 4
(]L
/
--aa� /
AlV
/
/
' I \
/
/
__
1 / /
/
I
_
------ -
------- --
7.47
40 aee:va______ _r0].6] HP
\\ I I •�8.63 -MOZ29 _42.08HP
.10 -__ 40].45 -------- 408.04
�amss�
1 ( I I / I / / / \ _ � � _ tee,. •HP �'�zse � \ \ \ \ \ \ � \ \ \
------------
40817
4Q7Ti3.
49z0z \ \ \
Q1LT-395.74
�bi� \\
- - v
' I I � I I� II I I I 1 I I v v `vA vvvvvp� �sozb0�A V� � vv
ofi.te��i
Vp
WET POND
VVv�, `b-SKTANDPIP408.55
403.83 vvv \ A \ V \ \ V \
A
LEG
\ 1 ag6.ah• \fir
111,ADBR2168ENCE: DB PC 89,103 1PLAT, DB 1548 PG8124.G I IV OUT-3 6.53
zt2
876. 99.
\ I \ \ \ 4g.HP \ 8 21
,aa6s
408J7. A ` W
vvv / 1 / 11 I II I II A I WET POND WATER
/ 1 I II I I II I I I 4oA.31
8.66. F /.68 /409 ]QUALITY VOLUME HP
6,848 CY 48. 0 3P409.11:71
11.86
a0.6.3 08.4t 4d9.3t(' '41 a.]o
\40 Z2
/410.a 412.53
� 405
� .
\ 1 \ I 06.16 409.75
\\ I I I
-/ - `--- - -
i
/'� � �• I � 1 �� '� �-�� I 1 A1� \1 \vv 11 1 � l \_// I I / /' \\ 9'BfJ� �' , ,'
1 l i ♦ 1 1 1 1 1 A � � /� I `�
\ ;
-39
zoo 0 0
SEDIMENTFOREBAY
I�
---------------------
r � �
V v I I I
\------------
V I I A A V A V `- A VA\ V I I I
\ EX. 48" RCP I \ \ \ \ \ \ \ \ /
,
<
CLUBHOUSE
FFE=439.90
i
------c
-- --- i/-''------'
p 00
\\ \ y/ - -- - --------_-- __ -
-- ------44,0-/ - ® - O
' -- --- -- - -
- -
-----------
\ I
WET POND NOTES
THE WET POND DESIGN THAT INCLUDES TREATMENT FOR THE
76-46A & 76-54 PROPERTIES WAS APPROVED WITH SDP
200100129 AND EXPANDED WITH WPO 201500094.
THE WET POND WAS ORIGINALLY DESIGNED WITH SDP 200100129
TO TREAT 60.26 ACRES ® CN=89 AND ASSUMED THIS AREA
HAD A LAND COVER OF 63% IMPERVIOUS. THE ROYAL FERN
PHASE 2 SITE WAS INCLUDED IN THIS AREA.
WPO 201500094 ADDED.12.46 AC. DRAINAGE AREA FROM THE
"FIFTH ST APARTMENTS" PLAN TO BRING THE TOTAL POND
DRAINAGE AREA TO 72.72 AC (P CN=88. WPO 201500094 SHOWS
THE REVISIONS TO THE POND TO ACCOMMODATE THIS EXTRA
AREA. THIS DRAINAGE AREA LISTED IN WPO 201500094 STILL
INCLUDES THE ROYAL FERN PHASE 2 SITE AND DID NOT CHANGE
THE DESIGN ASSUMPTIONS FOR THE PHASE 2 SITE.
THE POND AS -BUILT INFO, AS TAKEN FROM THE SWM AS -BUILT
FOR WPO 201500094, IS SHOWN HERE. ACCORDING TO THIS
AS -BUILT, THE POND WAS CONSTRUCTED WITHIN THE DESIGN
PARAMETERS APPROVED IN THE WHO 201500094. THE POND
REMAINS ADEQUATE TO TREAT AND CONTROL THE RUNOFF FOR
WHICH IT WAS DESIGNED.
WET POND REQUIREMENTS
SDP200100129
WP020150094
TOTAL REQUIRED
CURRENT POND
ITEM
DESIGN
DESIGN
AFTER
AS -BUILT
REQUIREMENTS
REVISION
WP0201500094
DRAINAGE
60.26 AC ®
ADDED 12.46
MAX 72.72 AC ®
71.83 AC
AREA
CN=89
AC ® CN=86
CN=88
CN=78
FOREBAY
528 CY
174 CY
702 CY
714 CY
ADDITION
QUALITY
4220 CY
828 CY
5048 CY
6848 CY
VOLUME
ADDITION
NORMAL WATER
396.50
396.50
395.78 AS -BUILT
395.78
LEVEL
PROPOSED
AMENDED
EMBANKMENT
408.20
408.20
407.83 AS -BUILT
408.03
TOP
PROPOSED
AMENDED
® LOWEST
100 YR WSE
405.69
407.18
406.83 AS -BUILT
406.83
PROPOSED
AMENDED
1 M. P a
sP24 10�
'10NAL F'�G
/
IIII il,l / _
I II III _ __--''__-_-'-'
NOTE:
�/ / //� //-------\�\ - _
TRAP 3 LENGTH: WIDTH RATIO
--- 70' L / 27' W = 2.6 L: IN
v A v BASIN 1 LENGTH: WIDTH RATIO
1701 52' W = 3.3 L:W
it �ll�/ll1 ///I 1 vvv � .��x�* +\.'•i%y.���l I ✓ I /
If
wi
i1�Ii� Sri i i Y.� I+/;;'� •
I vV v,I IIIrnII I I I /' � vvv� 8)
If
.v 1 �I I a� / /' 450-
---00,
-
--- -
/
,
------ ✓ j
-- -- 45
G i i
00 OP
/' ♦� ,'� / / / SEDIMENT BASIN 1 DUTLE7 CUL RT ss'
\ I \ j , //- - \ /� \ - _ ^^ 1 - -440- ,' 1 I I PI THE SAME AS PERMNSTA ,�TgRM
PIPE SECTION E2 E3. iNSTA C .0/
�a���
f�Tl i l/ l _ i---------- --- - - - - - _
----- 8 '�' E2 01,PERMANENT SEE FICEPE N
/ P 0
------ -- �' �_' i '' ' C11:ESTATIO 0 /11,+'S/'/'
I o_
I 407.26
Jim
I I I I I I I v I I I I I I / ( / - _ -- 8 - I�� - - - _- -- �' / ;�i // / ,, � i`ti 2Q /RIP -RAPS'
1'3
E _ fTl II I I I l °` / / _ ___\� 1 / Imo\ �` , - - - - / -''30 // j
l� ' / ♦ _
E I
PIPE v E-wI1 / ✓ I
-- / 4�- 3- xl m \ -MI0 /'!-- ---- ---
�I
/TO/ l TRAP �3 ALONGF
v�\ . zz
FrT GRADE I 34 �
- �-' /� `. 36 ' I v v _-,.'. /'DRA A/�
E%J \ __ _ �A .III _ /
.Z7 A `v+ V v II \--V`�� �� A A- 90 A /\\\i I 'I 48" RISER W. 36" TOP. ��QSI
- - 38 R E F
7 -_ z
IL \\ \ a \ \ \ I COARSE REDUCER RISER'
@
\26
\ \\ r
IN \ ��\\ -\\ _ \�� �_-. \\\\ \ � \`-'\ /0II/
ISO �c
17
-430'
O\ BA \
ti�
Alv7E
O �, ,, / � AREAS 5.24
l I
---- ---------- /
I E I n ,-I I \ \ ` \ ' - STA�t1SG, STOCKPILE,
I F' � �--- AND PARaKING AREA 0-
i
1
D AINAGE
PIPE TR
�% �%/1/ l
L--q-x -_ _ x -x- - -x -x -x -x -x -_ x -x -x..-x x
x� f I INSTALL BYPASS _ _-i
MA HOLES OEFORE 0Vl_ACING
F L IN THIS AREA. USE ----
y
i9MP YNIS A S LT SACK TO '-- \
-- AC -
- o _-- --
�� / _ _ _
■ �( ` --- % -_ __ \_-= = QURiNG F`hLb4CE�AEA� " / L `\` \ „_ ` 5T
-fit �- --- '� C % Lx- - I
p �� -. - RUE` ET- C1
4 115
■ ■ I �' -SAFETY FENCE,i>ND SILT 1- � �X_ __x- x x - _
■ 00000
I- - - - -� - - FENCE ALONG' EDGE OF EX.
PAVEMENT; - - -� -- - -/f . �o _ ` -_._-� STR;. Td4 \ _ -420
- _ "ter -- -
`\ --�\- - - - - - - - - - - - - ------------�- - - - - -/- - - - - f' - - _ a - MG ORTid -OF P P� _ / I
/ - ---- / - --
-
STg/TE ROUTE 6 15TH -
\ F
\
I � \
I+
F \ %+
F /
I ' ,
SEQUENCE OF CONSTRUCTION - STAGE 1
1. INSTALL CONSTRUCTION ENTRANCE OFF OLD LYNCHBURG RD. TRUCKS SHALL
BE CLEANED PRIOR TO LEAVING SITE.
2. INSTALL SILT FENCE, DIVERSION, AND SEDIMENT TRAPS AS SHOWN ON THIS
SHEET.
3. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND
APPROVAL OF ALL E&S CONTROL MEASURES.
4. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN SITE WORK.
5. MAINTAIN PERIMETER CONTROLS DURING CONSTRUCTION.
STR. E3. ADD REDUCER
_
T Top OF STAND IPF TQ
16' EMBANKMENT ACHIFVE3BI
I TOP=426.0 ANTI-VORTER
/
- �-
6" PERE PVC-
DEWATERING
TOP=422.0
_ INV=419.5
Concrete'
18%60%60"
.\ 16+00 10+50
\ � 81.69 LF 24" HDPE
I !^ INV IN=410.80
INV OUT=408.20
(TO STR. E2)
Y-
E
1 I I
I '
II
/I
/ E
/ I
/ E
/ E
/
E` ,-
I, I w w ;
I/
E /
/
' E
E ,
i SA
E '
1
E ,
1 I
E '
i
I / i
E i I
i 1 I
I
I
I
l /
I
11 +00 11 +50 12+00
SEDIMENT BASIN PROFILE
HOR: 1"=40, VERT: 1"=10'
DESIGN HIGH WATER
(25-YR. STORM ELEV.)
67 C.Y./ AC.
"DRY' STORAGE
C: WET TOP
67 C.Y./ AC.
"WET" STORAGE
TOP: 426.0
MIN. f 2.0 I
1 MIN. 3.0'
12+50 13i
MIN 0 5 MIN. 1 .0
36" RISER CREST= 423.0
6" DEWATERING
DEVICE
B: SEDIMENT' �.� "
CLEANOUT POINT
A: BOTTOM
DESIGN ELEVATIONS WITHOUT
EMERGENCY SPILLWAY
(RISER PASSES 25-YR. EVENT)
DA
Wet
Wet
Dry
Dry Vol.
A
8
C
Riser
Vol.
Vol. Cy
Vol.
Cy
25 yr
Elev.
(Acs.)
(Req.)
(Prov.)
(Req.)
(Prov.)
WSE
418.0
419.5
421.0
423.00
5.24
351.1
645.0
351.1
611.0
424.00
2 SEDIMENT
G$ NOT TO SCALE
DESIGN TABL]
40 0 40 80 120
Scale: 1"=40'
SOIL EROSION & SEDIMENT CONTROL SYMBOLS
SYMBOL N0. TITLE
\' [DRAWN TO SCALE]
VARIALE WIDTH R/W /i�Z•,;��,`
'D / ,.B.1205-314' ♦ ` PS
f Hly�''P.B.XI-257 34RU 26
a v,
C)D J
__❑ \
I
I I I
II
I
KEY
3.02
PAVED CONSTRUCTION ENTRANCE
PCE
3.03
CONSTRUCTION ROAD STABILIZATION
CRS
3.05
SILT FENCE
SF
3.09
TEMPORARY DIVERSION DIKE
DD
3.10
SAFETY FENCE
SA
3.13
TEMPORARY SEDIMENT TRAP
ST
3.31
TEMPORARY SEEDING
TS
3.32
PERMANENT SEEDING
PS
3.35
MULCH
MU
3.39
DUST CONTROL
DC
TREE PROTECTION FENCING
435
430
425
420
415
TF14
Date
11 Z01 2018
Scale
1 "=40' 1
Sheet No.
C8 OF 12
File No.
LIMITS OF DISTURBANCE: 8.70 AC
SEDIMENT TRAP DRAINAGE AREA
\ / SEQUENCE OF CONSTRUCTION - STAGE 2
I1111 \
--'%
---- 1. MAINTAIN PERIMETER CONTROLS. INSTALL NEW CONTROL MEASURES AS
------_-' ---_-- - I\ � \ /
SHOWN.
�_I--��
III / - \ \ / / /__ __ i I + , / /� + z \\
�,% `, - � ' �' _ ;; ;--,,-1,',' �----- _ ----_ _% ,�/ / I -----,\ 2. AS STORM STRUCTURES ARE CONSTRUCTED, INSTALL INLET PROTECTION.
3. ALL DITCHES SHOWN ON THIS SHEET ARE PERMANENT AND SHALL BE
I /// _ \ \\ \_ _____,� /I , _ + > STABILIZED WITH MATTING AS LISTED ON SHEET C12.
i,,�+/ v I / / ' , / / / /,' / — v _ + �'
�/ - + \ + 4. SITE MUST BE FULLY STABILIZED BEFORE REMOVAL OF SILT FENCING.
I' ✓✓; , '�' \ + ;' +/ , , r;� + I I 5. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING
AND PERMANENT SEEDING.
I// / \vv `V / j / // I \\\ vv \\ I vvvv I /�/'�/ III + +' v\V I
____
l `
�alllj ll� �I AI V vvvv : ��/x maxV :. Y // + I+
it II v Oi'v' + +I
e
F SAF
V I III ' I I I / • A A r , A/ r„ / , , / A 1 \
G
i -�, Cl • `\\ \\\
Q
I /
1 v \ v ,/`v �r // / /♦ I 1 I�V A v _
\ � i I I ' I' ' III I l ' / /' r' / I \\ � I � � I ' y ,� / r,' /' •, � / ' / \ ``.
S DIM PRINT TRAP
POR,
(
Z REFERENCE)
i
- ,
l
s \V I // / / '' f '\�,'/ ,// / �/•/ / �
- -- - - IIECUL-DE-SAC
I 1 -CONSTRUCT
CiAW L-DwE S�AI C�AFTER
- � -------- ,SEDIMENTRAP 3 S DEWATERE D
------ - - - - - -
\\ \
\\
\\
`p
i
4 �
5 ,
\� /-- --- -- ----'- -----' v�40'�• '
`- salvo
/
/
-- -- - EXTEND'BASIN CULVERT J
IIII I I ' I�--/ INTO MANHOLE El. SEE I
f llr C IIII Av III I I I / / ,'�-� _ -\VA �.L•• - - ' / / , �� ',% A� �� DETAIL 1: SHEET G11
I I I J O / 3 • \�.. --.. _. /_-' I � / � / 28 / s �
a-U >wv --'IP
XI
CO - I I ` I I I l 1 T _ —'- 34 ,' 0/ --- ,v ,. , / r - ��,
�CO vV I I I III II_ -I �� /'
I 1 IvF A I I ` ( I I 1 li 40 _ _ J'
I Ilw�-il
CONSTRUCT TOWNHOMES '
ENTRANCE AFTER BASIN L
IS DEWATERED i
I � z II \-II D \ �`__ I I -_ -- _ __• �� ` -_\ _ �j8 � \ � C' � \ 1 1 � �W 1 1/ I /' // '/ � /' i' a I ,�/ E1 __ I i ' ____ ____
_L_ _
Cj
�`_______
\ -- \C - \ I �\\ /. + U \I I \-48 � \�\ \\ \ �\�\ \•. '\.: \\ \' \\\_\ \ \ Sl�\ _ _- \\ w�, I I / _-- \l // i' , ,' 1 I 1 i � - -_- � �1
E 4 1 I/ /J \ .^�� ; A' V A\ ��� A - / _ •GW i VT'C A /A ` I l I i i _ / /' - A V A \V 4 E �� �i\\
L
IP
F
`w w— w w w—w \w—w w—w4 —w \ \ wl LLv w w� wiw —v\r Jw w. _w �w �\ �\ \\ \\ , ,r / , _ •/• / /',' ,'
1 III �-- � � (� 77 (� f 3 v V `v v v� I A v ,' v S r
PC , --I - \ \1z
i r
\ 5 CP
_ \ F \ --
II IT
I\ \ \ \
I IE � I / �\ \ -aI .` \ \� \ \\� I / ,% � ,/ � H5 ., / � \ •'� / `\ I`\\ II � 30 0 30 60 90
'B - - - - -- PS ' ' f ___ I A I
I 1 , ) Scale: 1"=40'
uf _ T SOIL EROSION &SEDIMENT CONTROL SYMBOLS
t I PS/ to s
I _ - _ _ • � •• _ _ — - SYMBOL NC. TITLE KEY
: -\ _®
54 j 1 � / / � / // � I /I/ I N. Iy I. H w/ w w ...r.. ..��.. s _ �£-5-, i i II • ..
I h (• W w - - W
I
-
\ % --- --- 5 — _ 3.02 PAVED CONSTRUCTION ENTRANCE
_ 5s \'\ PCE
I — — — —
I w w
w I
/ i � w.
\ — , _ �_ � _ - _ \ I I I •' N __f � � R ;� '�-- 3.03 CONSTRUCTION ROAD STABILIZATION CRS
n I vv x —x —x —X 3.05 SILT FENCE SF
\\\ i o� — �— — — — — ;'— — — �," � -, DIVERSION BIKE — — / i ---- - 3.09 TEMPORARY DD
`\ ---------------------------- — — — — �_ I 310 SAFETY FENCE
30— -� � •� ITT I
/
- — — - - 3.13 TEMPORARY SEDIMENT TRAP ST
� � v�_ __ [DRAWN TO SCALE]
STg/ E ROUTE 1 5TH C,
/ TS 3.31 TEMPORARY SEEDING
VARIALE WIDTH R�W TS
' M5 _-�i \ �—
' ,
D.B.1205-314' " III I\
H
r
3.32 PERMANENT SEEDINGy..TRU 262 PS
v v v
3.35 MULCHAlft
MU
3.39 DUST CONTROL DC
/
TREE PROTECTION FENCING
LIMITS OF DISTURBANCE: 8.70 AC
` 0
v r_ N 0
0
� n z
V N Lj
N W
Q W
Z
�z
v W
w a
��Ll o
w� a®
w� Z
rr�
N
\`1/ c� 0
~ N
w
nW
J
J
7 >
I N
w W
<U
(n�
w 0
CU
Q
w Ot U
TII
N
Z
Z
O
� U
p W
LL M
g�Q
a �
Ca O W
L
Q
Date
11 01 2018
Scale
1 "=40'
Sheet No.
C9 OF 12
File No.
18.004
CONSTRUCTION OF A SILT FENCE
(WITH
WIRE SUPPORT
1. SET POSTS AND EXCAVATE A 4"X4"
2. STAPLE WIRE FENCING TO THE POSTS.
TRENCH UPSLOPE
ALONG THE LINE
OF POSTS.
FLOW
3. ATTACH THE FILTER FABRIC TO THE WIRE
FENCE AND EXTEND IT INTO THE TRENCH.
4. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
FILTER FABRIC \I 11
WIRE
H
SILT FENCE
C 10 Not To Scale
W. WIRE SUPPORT
GRAVEL CURB INLET SEDIMENT
FIL TER
GRAVEL FILTER
RUNOFF WATER
SEDIMENT
CONCRETE
12'
WIRE MESH
FILTERED WATER
razi�11 l
boon,
mi
IIIII�I - - lou Iglu IIII
7
SPECIFIC APPLICATION
THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS
WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE
INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED
AREAS.
' GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE
3 INLET PROCTION IP)
2Q Not To Scale
1992 3.35
TABLE 3.35-A
ORGANIC MULCH MATERIALS AND APPLICATION RATES
RATES:
MULCHES:
NOTES:
Per Acre
Per 1000 sq. ft.
Straw or Hay
IN - 2 tons
70 - 90 lbs.
Free from weeds and coarse
(Minimum 2
matter. Must be anchored.
tons for
Spread with mulch blower
winter cover)
or by hand.
Fiber ?Mulch
Minimum
35 lbs.
Do not use as mulch for
1500 lbs.
winter cover or during hot,
dry periods.* Apply as
slurry.
Corn Stalks
4 - 6 tons
185 - 275 lbs.
Cut or shredded in 4-6"
lengths. Air-dried. Do not
use in fine turf areas. Apply
with mulch blower or by
hand.
Wood Chips
4 - 6 tons
185 - 275 lbs.
Free of coarse matter. Air-
dried. Treat with 12 ibs
nitrogen per ton. Do not
use in fine turf areas. Apply
with mulch blower, chip
handler, or by hand.
Bark Chips
50 - 70 cu.
1-2 cu. yds.
Free of coarse matter. Air -
or
yds.
dried. Do not use in fine
Shredded
turf areas. Apply with
Bark
mulch blower, chip handler,
or by hand.
" When fiber mulch is the only available mulch during periods when straw
should be used, apply at a minimum rate of 2000 lbs./ac. or 45 lbs./1000 sq. ft.
Source: Va. DSWC
5 MULCHING MU
C Q Not To Scale
TABLE 3.39-A
ADHESIVES USED FOR DUST CONTROL
Water
Application
SAFETYFE
1 �/ TUP�
Adhesive
Dilution
(Adhesive: Water)
TypeRate
Nozzle Gallons/Acre
Anionic
Asphalt Emulsion
7:1
Coarse Spray 1,200
Latex Emulsion
235
O
12.5:1
Fine Spray
in man
ONE Now
o
Resin in Water
4:1
Fine Spray 300
Sediment Trap Design Data
H
Z
Weir
Length
DA
Wet
Vol.
D1
Wet
Vol.r
Bottom
Dry
Vol.
D2
Dry Vol.
To SA
Acrylic Emulsion
No.
A
3
C
ft
()
(k)
(ft.)
.
(Acs)
(Req.)
(ft)
(PrOv.) .)
SA (sq.
ft.)
(Req.)
(ft)
'
ro
(PrOv.)
(sq. ft.)
;::■••�
(Non -Traffic)
Acrylic Emulsion
7:1
Coarse Spray 450
3
409.5
412.0
414.0
3.0
4.0
17.4
2.90
194.3
2.5
198.6
1890
194.3
2.0
211.9
3320
0
(Tralhc)
3.5 1
Coarse Spray 350
ORIGINAL
/ GROUND
// RGI
EL=C Top Surface Area
1
Z
1.0'
DRY STORAGE p2
H
67 CU. YD./ACRE
EL=B
WET STORAGE
67 CU. YD./ACRE ,
(EXCAVATED)
FILTER CLOTH ORIGINAL
GROUND
EL=A Bottom Surface Area
ELEV.
*SEE PLATE 3.13-1
COARSE AGGREGATE CLASS I RIPRAP
CROSS SECTION
OF OUTLET
CLASS I RIPRAP
LENGTH (IN FEET) _
6 X DRAINAGE AREA
(IN AC.)
_
DIVERSION
DIKE
SSA
COARSE AGGREGATE
EXCAVATED l/FILTER CLOTH
AREA
COARSE AGGREGATE AGGREGATE SHALL BE VDOT #3, #357 OR #5
OUTLET (PERSPECTIVE VIEW)
TEMPORARY SEDIMENT TRAP (ST)
Plot To scale
IaaGZ.`1,to] I0A10 UT ILy 9
PERSPECTIVE VIEW
PLASTIC FENCE
SOURCE: CONWED PLASTICS
VDOT ROAD AND BRIDGE STANDARDS
VA. DSWC
PERSPECTIVE VIEW
METAL FENCE
4 SAFTY FENCE SAF
C1 Q Not To Scale
PLATE. 3.1-1
6 )DUST CONTROL (DC
C1 Q J Not To Scale
TABLE 3.31-C
TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES
SEEDING RATE
NORTH
w
a
SOUTHb
PLANT
art
5/i
8/15
2/15
5/1
9/1
SPECIES
CHARACTERISTICS
Acre
1000 ft,
to
to
to
to
to
to
4/30
B/IS
II/1
4/30
9/I
II/15
OATS
3 bu. (up to IW lbs.,
2 lbs.
X
-
-
X
-
-
Use spring varieties (e.g., Noble).
Avena saliva
not less than 50 lbs.)
RYEd
2 bu. (up to 110 lbs.,
2.5 lbs.
X
-
X
X
-
X
Use for late fail seedings, winter
(Swale cereals
not less than 50 lbs.)
covet Tolerates old and low
moielure.
GERMAN MILLET'
50 lbs.
approx. t lb.
-
X
-
-
X
-
Wvm-season annual. Dies at firer
(Setaria ilal'ce
frost. May be added to summer
ms. ixe
ANNUAL RYEGRASS`
60 lbs.
1'h IIIIX
-
X
X
-
X
May be added in mixes. Will
Lolium multiru -Flom)
mow out of most elands.
WEEPING
IS lbs.
5'h oon.-
X
-
-
X
-
Warm -season perennial. May
LOVEGRASS
bunch. Tolerates hot, dry slopes
Ere rostra cam]
and mid, infertile soils. May he
added to mixes.
KOREAN
7S lbs.
approx. t'h
X
X
-
Warm season annual legume.
LESPEDEZA`
lbs.
Tolerates acid wits. May be
ra eti ulacea
added to mixes.
a Northam Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2.
b Southern Piedmont and Coastal Plain.
` May be used as a cover crop with spring seeding.
d May be used as a cover crop with fall seeding.
7 )TEMPORARY SEEDING (TS
10 J Not To Scale
TYPICAL VEE-,SHAPED DIVERSION
Source: Va. DSWC
A
CLEAN W.
Q Not To Scale
Plate 3.12-1
�rl� I �� �� y li � ✓�il � .�� � ��� � 1 �, d1/ I I � � IIy
SIC\L
CONSTRUCTION
ACCESS
STONE
CONSTRUCTION
ACCESS -�
70' MIN.
3" SM-2A ASPHALT TOP
COURSE
2.% 27
V N. 2'A AGGREGATE BASE
PROFILE
70' MIN.
ASPHALT PAVED
�O �WASHRACK
EXISTING
PAVEMENT
EXISTING f
2% FPAVEMENT-J
z%
t
*MUST EXTEND FULL WIDTH L-A. POSITIVE DRAINAGE
OF INGRESS AND EGRESS O TO SEDIMENT
OPERATION 111 TRAPPING DEVICE
PLAN
12' MIN. POSITIVE DRAINAGE
2% TO SEDIMENT
TRAPPING DEVICE
FILTER CLOTH) _--
SECTION A -A
A Iuulumuu water tap of 1 inch must be installed with a uvuinumi 1 inch ballcock
shutoff valve supphriug a wash hose with a cliameter of 1.5 inches for adequate
constant pressure. Wash water must be carried away from the entrance to an
approved settffi g area to remove Sediment. All seduuent shall be prevented from
entering sto in drams, ditches or watercourses.
PAVED WASH RACK
NO SCALE
�9:) PAVED CONSTRUCTION ENTRANCE (PCE)
C1 Q j Not To Scale
PERMANENT SEEDING SPECIFICATIONS
February 16 through April 30:
Kentucky 31 Fescue - 128 Ilbs/acre; Red Top Grass - 2 lbs/acre;
Annual Rye - 20 lbs/acre. Add 20 lbs/acre Indian grass when slopes
are greater than 3:1.
May 1 through August 15:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 Ibs/acre;
Foxtail Millet - 20 lbs/acre. Add 20 lbs/acre Indian grass when slopes
are greater than 3:1.
August 16 through October 31:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 Ibs/acre;
Annual Rye - 20 lbs/acre. Add 20 lbs/acre Indian grass on slopes
greater than 3:1.
November 1 through February 15:
Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Winter
Rye - 20 Ibs/acre. Add 20 Ibs/acre Indian grass on slopes greater
than 3:1.
MULCHING SPECIFICATIONS:
Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread with
mulch blower or by hand.
LIME AND FERTILIZER SPECIFICATIONS:
Lime and fertilizer needs should be determined by soil tests. Soil tests
may be preformed by the Cooperative Extension Service Soil Testing
Laboratory at VPI&SU, or by a reputable commercial laboratory.
Information concerning the State Soil Testing Laboratory is available from
CITY Extension Agents. Under unusual conditions where it is not possible
to obtain a soil test, the following soil amendments will be applied:
For Permanent Seeding: Seeded areas shall be limed at a rate of 2 tons
per acre, and fertilized at a rate of 1,000 lbs. per acre of 10-20-10 (10
lbs. per 1,000 square feet) or equivalent.
For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons
per acre, and fertilized at a rate of 600 IDS. per acre of 10-20-10 (10
lbs. per 1,000 square feet) or equivalent.
1 o PEE
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420
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405
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11+50 12+00 12+50 13+(
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6 ) STORM SEWER PROFILE: E4-H6
C11 HORIZ: 1"=30' VERT: 1'=10'
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440
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430
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C12 HORIZ: 1"=30' VERT: 1'=10'
.` SLOPE
OUTLET PIRWPE TO INVERT
SECTION A -A
METHOD OF TREATMENT IN DROP INLETS
SLOPE TO DRAIN I -
OYTLEf RK
DETAILS OF^NVERT SHMNG AS SM D HEREON ME FOR E>SHAPE - A
JNDIRDSES ONLY. EACH uMBIU.E GR DROP HET IS TO U SHAPED
WSVDUMIY TO BEST FIT THE PIRTX%AM INLET MID OUTLET
CONF,GIMATIW ANO FLOW LINES. SECTION B-8
PLAN
METHOD OF TREATMENT IN MANHOLES
ICATI
ROM AND BRIvDGE S STANDARDS STANDARD METHOD OF SHAPING SPEp
51EET 1 DF , REVISION RATE MANHOLE & INLET INVERTS
J02
100.0B VIIOINA 0DPM1N[XT OF TRNAPpITMXN
A
L
WI TMICKM= VMES
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450
445
440
435
430
425
420
415
410
4
405
14+0000
END -SECTION 12" - 60" PIPE
EQ
WWRPSE TOABEBJ
OvkMETElt
C a AE
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�roL�
SECTION X-X END VIEW
SECTION A -A
SECTION B-B
NOTES,
1. TIE STMDMD
SAFETY SLAB ISL-D 15 TO W USED ONLY WHEN SPECIFIED N THE PLM S
W THE DRAIHADE
SLMMMY SHEET MO/GR TXE pRNNIBE OESCRIPNON. FOR MMXOLEi
JUNCTION
BDlIES, MD DROP ItIET$ WRX HELLCATS GREATER TWN 12 FEET, TIE SPICING OF
/DJ/CENT
SAFETY SUBS SNAUL BE 8•TO 12'W1T11 NO SAFETY AAB LOCATED WITWN 8 FEET
OF TIE TOP
OR BOTTOM OF THE STRUCTURE. SAFETY SUMS SHILL NOT BE LOCATED BELOW
MY INLET
WE OF 30" DIMETflt OR GREATER.
2. TW LOST OF THE SL-i 6 NCUMED IN TIE COST OF THE STRUCTURE.
SEE CAST N RACE DRAWINGS
FOR FURTHER DETAILS
J. ACO155 ME TO BE STIC FROM ONE SIDE Of STRUCTURE TO THE
ERENGS
OTHER WHERE MRICIBLE. STEPS ARE E TO BE STAGGERED NCCORMNGLY.
6 S BARS R 8" C-C TYP.
4. SMETY SUB MAY BE CASTHMPLACE AIR PRECAST. CMT-IN-PUCE CONCRETE TO BE
CLASS AT (3D00 P50. PRECAST CONCRETE IS TO BE M (4000 M). RENFGRCNG
'. .
STEEL TO BE N ACOGROMTE WITH AASHTO M31.
5. ADCESS OPENINGS NAY BE SO' DIAMETER OR M' SOMME, WHEN STRUCTURE WDTH IS
LESS THM JO•' TIE ACCESS OPENING SHML BE RECTMGULM (STRUCTURE WIDTH BY
Jo^ LOW).TYPICAL
PRECAST UNIT
� s
TYPICAL CONCRETE SAFETY
SLAB FOR DROP INLETS,
sP REM
RGM MDMDS
MANHOLES AND JUNCTION
BOXES
SHEET , GF i
REVI90N DATE
J02
M.,NUMBI
t DEPMTLENT OF TRMSPdtTATIW
ENO SECTION DIMENSIONS
A
B
C D E
4"
2. 0..
2.0"
4'-0..
T-D"
9
2 T
1. 9.
4-0.
]' 0"
9
2 11"
2'-T.5
O•
J 6
] T'
2 6
8 1'
4+0'
j48"
W
4 0"
Y I'
fi t
4.6-
1-Y
4 -W� -
1'-3"
5-3"
1'-9"
5'-S'
2--M'
2-0-
6'-0"
2'-2"
0'-2"
T'-0"
2--]"
5'-5"
2'-9 "
W-2 "
7'-6"
n
PIPE OUTLET CONDITIONS
A
3do (MIN.)
)IPE OUTLET TO WELL
)EFINED CHANNEL
ANEA VF1'1'ri NU LIL''C'1NEV
CHANNEL
` L $
d
SECTION A -A FILTER CLOTH KEY IN 6"-9•; RECOMMENDED FOR ENTIRE PERIMETER
NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION
BASKET, OR CONCRETE.
2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED
USING PLATES 3.18-3 AND 3.18-4.
3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT
LESS THAN 6 INCHES.
Pipe Outfall
Q10
(cfs)
La
(ft)
Do
(ft)
3Do
(ft)
d50
(in)
depth
(in)
Outlet
Condition
D1
0.50
6.0
1.25
3.75
6.0
9.0
Channel
5 OUTLET PROTECTION TABLE OP
C12 Not To Scale
Ditch Sections
Channel
10-Yr
Flow
Channel
Channel
Ditch
Lining
Depth
Depth
Width
Side
(Ft)
Slope
9
EC-2
Matting
11-0"
0.81
6'-0"
3:1
10
EC-2
Matting
11-011
0.87
8'-0"
4:1
11
EC-3 Matting
1'-0"
0.39
6'-0"
3:1
Width
Entrench
Lining 6"
Depth
TYPICAL DITCH SECTION DETAIL
Not To Scale
HHDUBB ALTERNATE END -SECTION 12" - 60" PIPE
SPIDOTTIDEHm ONmYMET EREMMO-�SECTIDRIONS
I 1% � pE
J MITI TT
E
PLAN 11
EI
CSLG iI$tIC REINFCRCELENT J_ 4
I A
O E
PAY LINE END VIEW
SECTION X-X
END SECTION DIMENSIONS
PIPF O,AMETER
A
8
C
0
E
IT
4..
X 0-
4._,..
5.. p.
2..01.
15..
5..
..J..
-q
37"
V
2' 6"
10'
9
2' ]
3' W"
8 Y
0 0"
2T
9'
211
3 2"
5 1
3'-0"
24
1-
3' T
2 6"
b J
-0"
-5'
35..
I.
5._3,.
.-p ..
B.q
b..p,
42'•
-5..
5._3.,
2.1p.
W"..
5.-p..
40"
2. p..
5,_0..
2..2..
G._2..
2._p..
54'
2'-3..
5'-5'
'i1`
1'-4"
T'-G"
1.
W
-PAY NE
c e NOTES
PPE LENGTNS "M W PLANS MEBASED ON END SECTION DESIGN SHDWN
ON TIE E CONTRACTOR ELECTS
\\�� TO VA TW F TK MTEBNATE DESIGNSIbWN W
TIE RBPIT. LENGTHS WILL BE REDUCED BY
7
TIE DEFERENCE N OMENSION
FLARED END -SECTION FOR 12"-60" CONCRETE PIPE CULVERTS
']02 VIR::INIq DEPMIMENI OI IRMISPpRATION
DRIP LINE -\
SNOW FENCE
CORD FENCE
BOARD FENCE
CORRECT METHODS OF TREE FENCING
N'mm CORRECT TRUNK ARMORING
00
TRIANGULAR BOARD FENCE
(8�TREE PROTECTION FENCING
Not To Jcale
TYPICAL GRAVEL STRUCTURE
9 � RIGHT OF WAY DIVERSION (RWD
C 1 2 Not To Scale
N
0
N
N
N
N W
J
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N
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Date
1 1 01 2018
Scale
1 "=20'
Sheet No.
C12 OF 12
File No.
18.004