HomeMy WebLinkAboutWPO202100034 Plan - VSMP 2022-02-14GENERAL NOTES
CINITY M
CALE: 1" = 20
OWNER:
TMP 04500-00-00-068C2 IMP 04500-00-00-068EO
VICTORIAN PROPERTES LLC GIBSON, PATRICIA PRICE
610 W RIO ROAD 1210 INGLECRESS DRIVE
CHARLOTTESVILLE. VA 22901 CHARLOTTESVILLE, VA 22901
DEVELOPER:
RIVERBEND DEVELOPMENT
455 2ND STREET, NE, SUITE 400
CHARLOTTESVILLE, VA 22902
ENGINEER:
COLLINS ENGINEERING
200 GARRETT ST, SUITE K
CHARLOTTESVILLE. VA 22902
(434)293-3719
TAX MAP NO.:
04500-00-00-06BC2 & 04500-00-00-06BEO
TOTAL AREA:
TMP 45-68C2: 2.756 ACRES
IMP 45-68E0: 2.183 ACRES
TOTAL ACREAGE: 4.939 ACRES
ZONING:
R-15 RESIDENTIAL, CLUSTER DEVELOPMENT & BONUS DENSITY
FOR AFFORDABLE HOUSING. IN ADDITION, THE PROPERTY IS SUBJECT TO
AIRPORT IMPACT OVERLAY DISTRICT & STEEP MANAGED SLOPES OVERLAY
DISTRICT
PROPOSED USE-
96 SINGLE FAMILY ATTACHED & MULTI —FAMILY RESIDENTIAL UNITS
(15) TOWNHOUSE UNITS
(81) MUL77—FAMILY RESIDENTIAL UNITS (ONE & TWO BEDROOM UNITS
DENSITY.
ALLOWABLE BY —RIGHT DENSITY: 15 DU/AC + 309 BONUS DENSITY INCREASE FOR
AFFORDABLE HOUSING
ALLOWABLE DENSITY: 4.939 ACRES x 15 DU/ACRE x 309 BONUS DENSITY INCREASE
ALLOWABLE DENSITY: 74 BY —RIGHT UNITS + 11 AFFORDABLE & 11 MARKET RATE UNITS
TOTAL ALLOWABLE DENSITY. 96.3 (19.498 DWELLING UNITS/ACRE)
TOTAL PROPOSED DENSITY: 96 UNITS (19.437 DWELLING UNITS/ACRE)
OPEN SPACE.•
TOTAL OPEN SPACE REQUIRED (CLUSTER DEVELOPMENT 259) = 1.235 AC
TOTAL OPEN SPACE PROPOSED: = 2.10 ACRES (42.5%)
OPEN SPACE TO BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIATION. ALL
OPEN SPACE SHALL BE RESERVED IN A DEED FOR THE COMMON USE OF LOT OWNERS IN
THE SUBDIVISION AND DEDICATED TO THE HOA.
TREE PRESERVATION:
NONE REQUIRED WITH THE DEVELOPMENT
PRESERVED/MANAGED SLOPES: NO PRESERVED SLOPES ARE SHOWN WITHIN THE LIMITS OF THE PROPERTY. 4
SMALL AREAS OF MANAGED SLOPES ARE LOCATED ON THE PROPERTY AND SHOWN ON
THE EXISTING CONDITIONS PLAN SHEET.
BUILDING HEIGHTS:
NO MINIMUM BUILDING HEIGHT & MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 60 FEET.
NOTE, BUILDINGS GREATER THAN 3 STORIES MUST STEP BACK A MINIMUM OF 15 FEET
AFTER THE 3RD STORY OR PROVIDE A MINIMUM 15 FOOT FRONT STEPBACK OR SIDE
SETBACK ADJACENT TO A STREET.
TOWNHOUSE UNITS: 35' MAXIMUM HEIGHT (3 STORIES)
MUL77—FAMILY UI
BLDGS 1,5 AND 6: 40' MAXIMUM HEIGHT (3 STORIES AND A BASEMENT)
BLDGS 3 AND 4: 60' MAXIMUM HEIGHT (4 STORIES). NOTE, BLDGS 3 & 4 FRONT ON
A GREENSPACE AREA, AND A SPECIAL EXCEPTION REQUEST IS INCLUDED
WITH THE APPLICA77ON FOR AN EXCEPTION TO THE REQUIRED STEPBACK ALONG
THESE (2) BUILDINGS.
SETBACKS:
FRONT 5' MINIMUM (18' MINIMUM FROM R/W OR EDGE OF SIDEWALK TO GARAGE) AND 25'
MAXIMUM
SIDE: NONE — MIN. 10' BUILDING SEPARATION
REAR: 20' MINIMUM.
NOTE: COVERED PORCHES, BALCONIES, CHIMNEYS, EAVES, AND THE LIKE
ARCHITECTURAL FEATURES MAY PROJECT NOT MORE THAN FOUR FEET INTO ANY REQUIRED
YARD PROVIDED THAT NO SUCH FEATURE SHALL BE LOCATED CLOSER THAN SIX FEET
FROM ANY LOT LINE.
SUBDIVISION STREETS:
CURB & GUTTER
WATERSHED:
SOUTHFORK RIVANNA RIVER WATERSHED
AGRICULTURAL/ FORESTAL DISTRICT NONE
TOPO & SURVEY.•
TOPOGRAPHY PROVIDED BY ROUDABUSH, GALE AND ASSOCIATES, JANUARY 2021. THE
BOUNDARY LINE INFORMATION IS PROVIDED BY ROUDABUSH, GALE, AND ASSOCIATES.
INFORMATON FIELD VERIFIED BY COLLINS ENGINEERING FEBRUARY 2021.
DATUM:
NAD 83
EXISTING VEGETATION:
BOTH PARCELS ARE PRIMARY WOODED, WITH EXCEPTION FOR THE CLEARED AREA
ASSOCIATED WITH THE UTILITY EASEMENTS
LIGHTING.
NO SITE OR STREET LIGH77NG IS PROPOSED WITH THIS PROJECT ANY SITE
LIGHTING SHALL CONFORM TO ALBEMARLE COUNTY ZONING ORDINANCE REQUIREMENTS.
PARKING:
96 SINGLE FAMILY ATTACHED & MULTI —FAMILY UNITS = 192 OFF—STREET PARKING SPACES
REQUIRED
MINIMUM (1) DRIVEWAY SPACE + (1) GARAGE SPACE
TOTAL PARKING PROVIDED: 192 OFF—STREET PARKING SPACES
GUEST SPACES: 1 SPACE PER 4 UNITS = 24 SPACES REQUIRED
PROVIDED GUEST PARKING SPACES (ON —STREET PARKING) = 25 SPACES
ROADWAYS AND PAVED
CIRCULATION AREA = 28,235 SF (ACCESS EASEMENT/TRAVELWAY)
IMPERVIOUS AREAS (WITHIN LOD): PROPOSED ROADWAY = 40,551 SF
PROPOSED SIDEWALK = 12,090 SF
PROPOSED DRIVEWAYS = 23,549 SF
PROPOSED BUILDINGS = 59,380 SF
TOTAL = 135,570 SF
PHASING:
THIS PROPERTY SHALL BE DEVELOPED WITHIN 1 PHASE
BUILDING SITES:
PARCELS 1-15 AND THE RESIDUE PARCEL EACH CONTAIN A BUILDING SITE THAT
COMPLIES WITH THE REQUIREMENTS OF SECTION 4.2.1 OF THE ALBEMARLE COUNTY
ZONING ORDINANCE.
BURIAL SITES
NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE.
STREAM BUFFERS:
NO STREAM BUFFERS ARE LOCATED ON THESE PROPERTIES OR WI7HIN THE LIMITS OF
THIS PROJECT AREA.
FLOODPLAIN:
THIS PROPERTY IS NOT IN A FLOODPLAIN ZONE AS SHOWN ON FEMA
MAP#51003CO229D, DATED FEBRUARY 4, 2005. THIS PROPERTY IS NOT LOCATED
WITHIN A DAM INUNDATION ZONE.
RETAINING WALLS:
RETAINING WALLS ARE PROPOSED WITH THE DEVELOPMENT AS SHOWN ON THE PLAN,
SEE SHEET4 FOR DETAILS. RETAINING WALLS GREATER THAN 3' IN HEIGHT REQUIRE A
SEPARATE BUILDING PERMIT. WALLS EXCEEDING 4' IN HEIGHT REQUIRE A STAMPED
ENGINEERING DESIGN. WALLS CROSSING LOT LINES REQUIRE AN EASEMENT.
LANDSCAPING:
STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE
WITH ALBEMARLE COUNTY LANDSCAPING REQUIREMENTS WITHIN SECTION 32.7.9 OF THE
COUNTY CODE. A LANDSCAPING PLAN WILL BE PROVIDED WITH THE FINAL SITE PLAN
FOR COUNTY REVIEW AND APPROVAL. ALL LANDSCAPING REQUIREMENTS SHALL BE
SHOWN ON THIS FINAL LANDSCAPING PLAN. STREET TREES SHALL BE PROVIDED
ALONG THE PUBLIC STREETS 50' O.C. IN ACCORDANCE WITH VDOT AND ALBS. CO.
STANDARDS.
TRASH:
EACH UNIT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER, AND ALL TRASH SHALL BE
COLLECTED BY A DRIVING DUMPSTER SERVICE.
VICTORIAN HEIGHTS
VSMP PLAN
WP0202100034
RIO DISTRICT
ALBEMARLE COUNTY, VIRGINIA
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TMP
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DB.y9g8, PG.437
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DB.2q�6, PG.6o7
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ZONING: RURAL
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RECREATION AREA:
OFFSITE EASEMENT
TMP 45-68Co
CHARLOTTESVILLE
REALTY CORP
ZONING: HC
DB.1439, PG.x96
ZONING:
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TMP 45-71 /
RIVANNA WATER &
'SEWER AURTHORITY TMP 4Sgx TMP 45-69B1
RIVANN WATER&
/ ZONING: RURAL WOOD, HUNTER W
SEWER :RURARTHORTY REVOCABLE TRUST C o
DB.768, PG.x77 ZONI,MIG: RURAL 1
i HUNTER W WOOD,
/ DB.T68, PG.x77 TRUSTEE
/ ZONING: RURAL
i DB.53ax, PG.48
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STATE RO(/TE 659 - - = C) CD CD CD N .-I
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BUILDING#5
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(4) FFORD{%BLE
UNIT&(8)MIARK ET
RATE UNITS
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18,00
UNITS
TMP 45 68D1
COMMONWEALTHOF
VIRGINIA VDOT RIGHT OF
WAY SECTION
ZONING: Cx
COMMERCIAL
DB.-754, PG.5M
TMP -68D 45 5
WAL-MART REAL ESTATE
— — �'�
BUSINESS C/O
WAL-MART STORES
#1780
_ ZONING: HC
--BERKMAR-DRIVE--------- — — — DB.188x, PG.112
STATE ROUTE 1403 _---
�—
AMATO, SANDRA P; CHRISTOPHER B
GLEASON & HUNTER W WOOD, TRUSTEES
/' ZONING: HC
DB.5376, PG.608 I
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REQUIRED RECREATIONAL AREA: 96 UNITS x 200 SF = 19,200 SF
PROPOSED 22,220 SF (0.51 AC) INCLUDING (1) TOT LOT (2,515 SF), (1) RECREATION FIELD
(8,000 SF), AND PASSIVE RECREATIONAL AMENITIES
TOT LOT AREA SHALL INCLUDE THE FOLLOWING, AT A MINIMUM:
ONE (1) SWING (FOUR SEATS)
ONE (1) SLIDE WITH TWO (2) CLIMBERS
ONE (1) BUCKABOUT OR WHIRL
TWO (2) BENCHES
RECREATIONAL PLAYFIELD
NOTE: A RECREATIONAL SUBSTITUTION WAIVER WILL BE SUBMITTED WITH THE FINAL SITE
PLAN FOR THE PROPOSED RECREATI0NAL AMENITIES WITHIN THE DEVELOPMENT.
ALL PROPOSED GRADING SHALL BE CONSTRUCTED ON SITE, WITHIN EXISTING RIGHT—OF—WAY,
OR WITHIN EXISTING EASEMENTS. OFFSITE UTILITY EASEMENTS AND SIGHT DISTANCE
EASEMENTS ARE PROPOSED WITH THIS DEVELOPMENT
Sheet List Table
Sheet
Number
Sheet Title
i
COVER
z
EXISTING CONDITIONS
3
EROSION & SEDIMENT CONTROL NARRATIVE
4
EROSION & SEDIMENT CONTROL DETAILS
5
EROSION & SEDIMENT CONTROL PLAN - PHASE 1
6
EROSION & SEDIMENT CONTROL PLAN - PHASE 11
7
EROSION & SEDIMENT CONTROL PLAN - PHASE III
8
STORMWATER MANAGEMENT PLAN
9
STORMWATER MANAGEMENT DETAILS
10
STORMWATER MANGEMENT DETAILS
ii
OVERALL GRADING PLAN
12
DRAINAGE MAP
13
OFFSITE DRAINAGE MAP
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202196
III _ 501
SHEET NO.
1
13 TOTAL NUMBER OF SHEETS
\ _ SCOTT R. LLINS'Z
_ \ \ C) No. 35791
`6 2/08/22
s'IONAL F'11
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TMP 45-7 A
WEBER, A LIVING
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ZONI G: RURAL TMP 45.73
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ZONING: RURAL
h / DB.1056, PG.607 — —
/ RIVANNURTHORITY
TMP 45-7z / I /WOOD.
RIVANNA WATER &TMP 45 7 6ZONIN :PG 277 RAL RIVANNA WATER &5 96i
7SEWER AURTHORITY �UNTER W
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- -- - - EVOCABLE TRUST C
_-_ -- - --�� WOODBURN ROAD / it ,ZONING: RURAL HU
S7ATE ROUTE 659 — / / DB.768, PG.277 TRUSTEE
- _ 540 -- E_ —�
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ZONING RURAL � � � o 0 0
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PROPOSED RIGHT OF /
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Ay \ WAY LINE /
i — WATERLINE / EXISTING GRAVEL
EASEMENT /f I— _ DRIVEWAY TO BE
TMP-8o — — �� DB 1439 PG 196 �� REMOVED.
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\ / ti / / / / / / 5P COMMONWEALTH
MANOR LP � _ _ � � � EASEMENT � � - , 5 i ,�G � /
ZONING: RURAL
/ ✓ A / DB 1446 PG 445 / i5 ti�� / VIRGiNIA VDOT RIGHT OF LU I,
DB i63, PG.405 S�6 i 5 -- �
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COMMERCIAL
WOODED AREA WITH A \ \ i \540 / / / / / WOODED AREA WITH A / / / /
\ i' DB PG PG.514 ---
\S3o MIXTURE OF DECIDUOUS AND MIXTURE OF DECIDUOUS AND / "
VERGREEN TREES �� GRASSED AREA ALONG / -
530�- WATERLINE EASEMENT / / � � / / VEyREEN TREES � � � � �
\ \ \ L9
,EXISTING WATERLINE
TO REMAIN /
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\ / 530LIMITS OF EXIST NI G'�� N
saw / -MANAGED STEEP SLOPES ON THE / / /� %5ti 51°� 08 EXISTING CONCRETE FLUME TO BE // J
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/ \ / � / - -SITE � / � � , � /5 "-DEMOLISHED. EXISTING PIPE TO BE � z
506 ABANDONED IN PLACE WITH THE USE / Q
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/ I CONSTRUCTION \ — -- EXISTING HEADWALL TO BE / / / i
/ EASEMENT 1 s \ \ _ REMOVED. EXISTING PIPE TO REMAIN.
DB 1439 PG 196 \ / _ _ DOGHOUSE MANHOLE PROPOSED / / / i LU O
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TOP OF DROP INLET
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II _ — VARIABLE WIDTH R/W 4; ��_ WAL-MA BUSINESS C/O z
well_ _ - � RT STORES J U)
#1780
TOP OF DROP INLET ` TMP 45 68 % - ZONING HC \ I / /�I w o U
_ - - BENCHMARK
- - - - - - _ - - LEV- 0 7 AMATO SANDRA P; DB.188i, PG.liz -
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STOPHETER W - �� V I�I�I III I�-I z
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— / -7 / / / / / AND CONCRETE SIDEWALK TO 45 \ \ I // I I 1 LLJ w
/ CHARLOTTESVILLE \ > 1 1 1 I I / J \ 1 I // J
BE REMOVED FOR NEW /J
ENTRANCE ATBERKMAR � REALTY CORP � � � I � � � � � � � � � � � z
L — ZONING: HC HI /
DRIVE � � � � J
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TMP45-68C1
MALLOY FORD
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ZONING: HC / I DB.4863, PG.461
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GRAPHIC SCAJOB NO.
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202196
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/ ��� 1 A `_ inch �= 30 ft. Z
EROSION EROSION No SEDIMENT CONTROL PRE / EDIMENTCONTRO ACTICES SHALLBE E VIRGINIA EROSION AND SEDIMENT MEASURES: &EROSION CONTROL NOTES DESCRIPTION OF EROSION & SEDIMENT EROSION CONTROL NOTES NARRATIVE
STRUCTURAL ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION PURPOSE. • TH OF
CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING:
AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED CONTROL MEASURES. THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS TO GRADE THE VICTORIAN HEIGHTS SITE FOR A Jr
3.01 SAFETY FENCE. ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL MEASURES: RESIDENTIAL DEVELOPMENT. THE TOTAL AREA TO BE DISTURBED WITH THIS PLAN IS 5. 13 ACRES. - A PROTEC7VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT EXISTING SITE CONDITIONS
EROSION CONTROL MEASURE BY THE PUBLIC. APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. BASINS, AND SILT FENCES WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY MOST OF THIS SITE IS WOODED AND SLOPES TO THE SOUTHEAST AND NORTHEAST. THE SITE IS SCOTT R. LINS'Z
UNSAFE BY VIRTUE OF POTENTIAL ACCESS BY T74£ PUBLIC. ES-2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. LOCATED TO THE NORTHWEST OF BERKMAR DRIVE AND SOUTHEAST OF WOODBURN ROAD. THE U No. 35791 ,�
3.02 CONSTRUC7ON ENTRANCE: PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED MAJORITY OF THE SITE DRAINS TO VARIOUS EXISTING CULVERTS AND INLETS, AN EXISTING
A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A OF LAND DISTURBING AC77WTY, AND ONE WEEK PRIOR TO THE FINAL WATERMAIN TO REMAIN RUNS DIRECTLY THROUGH THE MIDDLE OF THE SITE AND ITS WATERLINE 16 2/08/22 cyQ
CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. INSPECTION. FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL IAPp
EASEMENT IS CLEARED. �
CONSTRUCTION TON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ES-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT ADJACENT AREAS: �SSIONAL E��l
ROAD TO OR AS THE FIRST STEP IN CLEARING. SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND THIS SITE IS BORDERED TO THE SOUTHEAST BY BERKMAR DRIVE AND TO THE NORTHWEST BY
3.05 SILT FENCE: ES-4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE WOODBURN ROAD. VACANT LAND IS ALONG THE NORTHEAST BORDER OF THE SITE AND A
A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND MAINTAINED ON THE SITE AT ALL TIMES PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. RESIDENTIAL DWELLING EXISTS TO THE SOUTHWEST OF THE SITE.
ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUC7ON OPERA7ONS IN ORDER ES-5: PRIOR TO COMMENCING LAND DISTURBING ACT7077ES IN AREAS OTHER THAN
TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. OFFSITE LAND DISTURBANCE:
FLOWS. 774E SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED T0, OFF-SI1E TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT IMPROVEMENTS TO BE MADE WITHIN THE VDOT RIGHT-OF-WAY ALONG BERKMAR DRIVE AND
FROM SHEET FLOW AS INDICATED. 774EY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A WOODBURN ROAD.
VIRGINIA EROSION &SEDIMENT CONTROL HANDBOOK (VESCH). SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST
( ) APPROVAL BY THE PLAN APPROVING AUTHORITY.. GERM/NA77NG VEGETA7ON /MMED/ATELY FOLLOWING GRADING OF THOSE AREAS SELECT7ON OF TREE
AREAS:
3.07 STORM DRAIN INLET PROTECTION.- PROTECTION FENCING AND SILT FENCE SHALL BE MAINTAINED ALONG THE PROPERTY LINES AS
EXCAVATED
A SEDIMENT FILTER OR AN EXCAVATEE TD IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET TO PREVENT SEDIMENT FROM ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL SEED MIXTURE WILL DEPEND ON THE THE OF YEAR APPLIED. SHOWN ON THE PLAN TO THE EAST, NORTH, AND SOUTH OF THE SITE TO PROTECT THE ADJACENT
ENTERING STORM DRAINAGE SYSTEMS PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PR07ECTION APPLIES WHERE EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND CONSTRUCTION ENTRANCE: PROPERTIES CONTRACTOR SHALL ENSURE THAT ALL SEDIMENT MAINTENANCE CONTROLS ARE ALONG
STORM DRAIN INLETS ARE TO BE MADE OPERA77ONAL BEFORE PERMANENT STABILIZA7ON OF THE CORRESPONDING DISTURBED DRAINAGE AREA. SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF
3.08 CULVERT INLET PROTECTION. ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL WOODBURN ROAD AND BERKMAR DRIVE TO ENSURE THAT NO SEDIMENT LEAVES THE SITE AND
A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM CULVERT. TO PREVENT SEDIMENT FROM ENTERING STORM MEASURES AT ALL 77MES DURING LAND DISTURBING AC770TIES AND DURING VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE TO REDUCE THE AMOUNT OF MUD DRAINS ONTO THE ROADS.
CULVERTS PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PR07EC77ON APPLIES WHERE STORM CULVERTS ARE EXIS77NG SITE DEVELOPMENT UN77L FINAL STABILIZATION IS ACHIEVED. TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. SOILS:
OR TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION OF THE CORRESPONDING DRAINAGE AREA. ES-8:DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE SOILS MAP IS INCORPORATED INTO EROSION CONTROL PLAN PHASE l WITH SOILS DATA INCLUDED
3.09 TEMPORARY DIVERS/ON DIKE. APPROVED WATER FILTERING DEVICE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS. WITH THIS NARRATIVE.
A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DIS77JRBED AREA. TO DIVERT STORM RUNOFF ES-9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES SILT FENCE., SEQUENCE OF CONSTRUCTION:
FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPR07ECTED DIS77JRBED AREAS AND SLOPES TO A STABILIZED OUTLET TO DIVERT PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY PHASE l:
SEDIMENT -LADEN RUNOFF FROM A DIS77JRBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED (/� F F F
WHEREVER STORMWATER RUNOFF MUST BE TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S17E NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED. �// z z z
EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN w w w
DURING CONSTRUCTION. 774ESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH 2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE Z z z
SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN O O f f 2:PROPER MAINTENANCE. PROTECTION FENCING SHALL BE INSTALLED. � in O O O
3.12 DIVERSION: ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE TO DECREASE THE VELOCITY OF SHEET J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS O v v v
A CHANNEL CONSTRUCTED ACROSS A SLOPE W1774 A SUPPORTING EAR774EN RIDGE ON 774E LOWER SIDE. TO REDUCE SLOPE LENGTH AND TO General construction notes for Erosion and Sediment Control plans FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. O m
INTERCEPT AND DIVERT STORMWATER RUNOFF TO STABILIZED OUTLETS AT NON -EROSIVE VELOCITIES. APPLIES WHERE RUNOFF FROM AREAS OF INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF � to co
4. THE PROPOSED CONSTRUCTION ENTRANCE WITH WASH AREAS SHALL BE INSTALLED AS SHOWN ON �/� w
HIGHER ELEVATION MAY DAMAGE PROPERTY, CAUSE EROSION, OR INTERFERE WITH 774E ESTABLISHMENT OF VEGETATION ON LOWER AREAS, 1. The plan approving authority must be notified one week prior to the pre -construction FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH THE PLANS. THE CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE y / UJ O O O
WHERE SURFACE AND/OR SHALLOW SUBSURFACE FLOW IS DAMAGING SLOPING UPLAND, AND WHERE 774E SLOPE LENG774 NEEDS TO BE REDUCED conference, one week prior to the commencement of land disturbing activity, and one week z
TO MINIMIZE SOIL LOSS. RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE WRGINIA EROSION & SEDIMENT CONTROL ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE H O F m to to
prior to the final inspection. to to to
3.13 TEMPORARY SEDIMENT TRAP.- p HANDBOOK (VESCH). TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE 1n z w w w
2. All erosion and sediment control measures will be constructed and maintained according to > - � � �
A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN PERMANENT STABILIZATION: SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED to p p p
RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW DIS77JRBED minimum standards and specifications of the Virginia Erosion and Sediment Control rr 0 0 0
AREAS WHERE 774E TOTAL CONTRIBUTING DRAINAGE AREA /S LESS THAN 3 ACRES, WHERE 774E SEDIMENT TRAP WILL BE USED NO LONGER THAN Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY
g SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET n/
18 MONTHS, AND IT MAY BE CONSTRUCTED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE. Regulations. SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO W
l3= WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER.
3.14 TEMPORARY SEDIMENT BASIN. 3. All erosion and sediment control measures are to be laced prior to or as the first step in PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO
A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF P P p SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS TO 5. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL
COMPACTED SOIL ACROSS A DRAINAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS /N "WET" AND `DRY" STORAGE clearing. SHEET. THIS INCLUDES (3) SEDIMENT TRAPS, WIRE SILT FENCE, AND DIVERSION DIKES.
LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW DIS77JRBED AREAS WHERE THE TOTAL CONTRIBUTING 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY
DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE all times. CONSTRUCTION ACTIVITIES, ALL AREAS W/LL RECEIVE A PERMANENT VEGETATIVE COVER. LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND
CONSTRUCTION OF A TEMPORARY IMPOUNDMENT. 5. Prior to commencing land disturbing activities in areas other than indicated on these plans TEMPORARY SEEDING DISTURBANCE TAKES PLACE.
3.18 OUTLET PROTECTION: (including, but not limited to, off -site borrow or waste areas), the contractor shall submit a THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING 6. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE
STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVCES PLACED AT THE OUTLETS OF PIPES OR PAVED CHANNEL supplementary erosion control plan to the owner for review and approval by the plan WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND EROSION CONTROL PHASE I PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL
SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE P07EN77AL FOR approving authority. SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE MEASURES, THE CONTRACTOR CAN BEGIN THE MINIMUM GRADING OPERATIONS. STABILIZATION
DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF 6. The contractor is responsible for installation of an additional erosion control measures MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS
ALL PIPES AND ENGINEERED CHANNEL SECTIONS po y FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO
3.19 RIPRAP: necessary to prevent erosion and sedimentation as determined by the plan approving IMMEDIATEL Y AFTER INSTALLATION.
DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PROTECTION 70 BARE SOILS EXPOSED
A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH FILTER FABRIC OR GRANULAR UNDERLINING. TO authority. 7. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN
PR07ECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING 7. All disturbed areas are to drain to approved sediment control measures at all times during DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE S/TE. TEMPORARY SOIL
WI THE P07EN77AL FOR INFILTRATION, AND TO STABILIZE SLOPES TH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS. USE WHEREVER SOIL land disturbing activities and during site development until final stabilization is achieved. CAN BE ESTABLISHED. STABIL/ZAT70N SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT
AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE COVER, ETC., ARE SUCH THAT DUST CONTROL:
THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS 8. During de actor sha operations, water will be pumped into er approved filtering device. REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN F DAYS � � � N
9. The contractor shall inspect all erosion control measures periodically and after each runoff- PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR N N
3.20 ROCK CHECK DAMS: P y CONSTRUCTION ACTIVITIES. F � � � �
SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of MORE THAN ONE YEAR. Q o ao
STORMWATER FLOWS THEREBY REDUCING EROSION OF THE SWALE OR DITCH. THIS PRACTICE ALSO TRAPS SEDIMENT GENERATED FROM the erosion control devices shall be made immediately. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND o o N N
ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF THE STORMWATER RUNOFF. THIS PRACTICE, UTILIZING A COMBINATION OF REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, 1 1
STONE SIZES, IS LIMITED TO USE /N SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS 10. All fill material to be taken from an approved, designated borrow area. TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. PHASE //.
3.31 TEMPORARY SEEDING: 11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF 8. PHASE H CONSTRUCTION SHALL INCLUDE BUILDING THE RETAINING WALLS ALONG BERKMAR DRIVE,
THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL materials only, free of roots, stumps, wood, rubbish, and other debris. DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. INSTALLING THE ROAD CONNECTION BETWEEN BERKMAR DRIVE AND WOODBURN ROAD AND
PLANTS. TO REDUCE EROSION AND SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A INSTALLING THE DRAINAGE STRUCTURES.
PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning TEMPORARY DIVERSION DIKE. PR07EC77ON TO BARE SOILS EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES CAN BE Ordinance section 5.1.28. A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED 9 AFTER THE RETAINING WALLS ARE BUILT, THE CONTRACTOR SHALL INSTALL SEDIMENT TRAP 0
ESTABLISHED. 13. All inert materials shall be transported in compliance with section 13-301 of the Code of AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND TO A DIRECTLY UPSLOPE OF THE PROPOSED RETAINING WALLS TO CAPTURE RUNOFF FROM THE
3.32 PERMANENT STABILIZATION. Albemarle. NORTHWEST WEND OF THE SITE. CONTRACTOR TO ALSO INSTALL DIVERSION DIKES TO SEDIMENT p7
THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANING SEED. TO REDUCE EROSION AND DECREASE STABILIZED OUTLET, OR TO DIVERT SEDIMENT LADEN RUNOFF TO A SEDIMENT TRAPPING TRAP. ONCE INSPECTOR HAS APPROVED SEDIMENT TRAP AND DIVERSION SIKES, CONTRACTOR CAN r
SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to STRUCTURE. MAXIMUM EFFECTIVE LIVE IS 18 MONTHS. CONTINUE GRADING AND ROAD AND UTILITY CONSTRUCTIONS UPSLOPE OF THE SEDIMENT TRAP. [`
the hours of 7:00am to 9:00pm. co
SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE ROCK CHECK DAMS: fO.PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN
NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACIVIIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA77VE COVER. 15. Borrow, fill or waste activity shall be conducted in a safe manner than maintains lateral SMALL, TEMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE S/TE. TEMPORARY SOIL M
3.35 MULCHING, support, or order to minimize any hazard to persons, physical damage to adjacent land and 1111111
APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE. TO PREVENT EROSION BY PR07EC77NG THE SOIL improvements, and damage to any public street because o slides, sinking, or collapse. VELOCITY OF CONCENTRATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH. LIMITED TO STABILIZAT70N SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT N
SURFACE FROM RAINDROP IMPACT AND REDUCING THE VELOCITY OF OVERLAND FLOW. TO FOSTER THE GROWTH OF VEGETATION BY INCREASING 16. The developer shall reserve the right to install, maintain, remove or convert to permanent USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS, • SHOULD NOT BE USED IN FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS.
AVAILABLE MOISTURE AND PROVIDING INSULATION AGAINST EXTREME HEAT AND COLD. AREAS WHICH HAVE BEEN PERMANENTLY SEEDED LIVE STREAMS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR 4
SHOULD BE MULCHED IMMEDIATELY FOLLOWING SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF THE SEASON SHOULD BE MULCHED stormwater management facilities where applicable all erosion control measures required MORE THAN ONE YEAR. 0! M
USING ORGANIC MULCH. MULCH MAY BE USED TOGETHER WITH PLANTINGS OF TREES, SHRUBS, OR CERTAIN GROUND COVERS WHICH DO NOT by this plan regardless of the sale of any lot, unit, building or other portion of the property. STORM DRAIN INLET PROTECTION: Nt
PROVIDE ADEQUATE SOIL STABILIZA ION BY THEMSELVES, CAN BE USED IN CONJUNCTION WITH TEMPORARY SEEDING. 17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS PHASE Ill: I
3.37 TREES. SHRUBS VINES & GROUND COVERS:lbs/acre, and in the months of September to February to consist a 50150 mix of Annual OR CURB INLET STRUCTURES PRIOR TO PERMANENT STABILIZA77ON OF THE DISTURBED AREA; N
11.ONCE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR
STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETA77VE COVER WITH TREES, SHRUBS, VINES, OR GROUND COVERS. TO AID IN STABILIZING Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, a May LIMITED TO DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL CAN REMOVE THE SEDIMENT BASIN. NO 17EM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS I I I � 7
SOIL IN AREAS WHERE VEGETATION OVER THAN TURF /S PREFERRED, TO PROVIDE FOOD AND SHELTER FOR WILDLIFE WHERE WILDLIFE HABITAT IS through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. LARGE, CONCENTRATED STORMWATER FLOWS. ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. AT THE TIME OF TEMPORARY SEDIMENT L W
DESIRABLE. APPLIES IN AREAS WHERE TURF ESTABLISHMENT IS DIFFICULT, ON STEEP OR ROCKY SLOPES WHERE MOWING IS NOT FEASIBLE, N
Alternatives are subject to approved b the Count erosion control inspector. TEMPORARY SEDIMENT TRAP:
WHERE ORNAMENTALS ARE DESIRABLE FOR LANDSCAPING PURPOSES, AND WHERE WOODY PLANTS ARE DESIRABLE FOR SOIL CONSERVATION, OR � pPr y y p TRAP #5 S REMOVAL AND THE INSTALLATION OF THE PERMANENT STORM SEWER SYSTEM, THE N Q u--I
TO ESTABLISH WILDLIFE HABITAT. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE CONTRACTOR SHALL REMOVE THE TEMPORARY BARREL CONNECTION INTO PERMANENT STR-3 AND J
3.36 BLANKET MATING: Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL PLUG I IS OPENING WATERTIGHT. L7 Q
INSTALLA77ON OF A PROTECTIVE COVERING OR A SOIL STABILIZATON MAT ON A PREPARED PLANING AREA OF A STEEP SLOPE OR CHANNEL TO inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE 12.MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED /N THE VIRGINIA EROSION AND i
AID /N THE CONTROLLING EROSION ON CRITICAL AREAS. mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or OUT MAX/MUM EFFECTIVE LIFE IS 18 MONTHS. SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM
3.38 TREE PRESERVATION AND PROTECTION: 0
PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE Tall Fescue and 0-5%Perennial Ryegrass or Kentucky Bluegrass- Straw mulch is to be TEMPORARY SEDIMENT BASIN: ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. J C Q
applied at SOlbs/100sf. Alternatives are subject to approved by the County erosion control 13. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WI THIN 30 J G z
THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH IS
LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE THE LAND inspector. DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER _
FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. IT > J
IS BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED uuuu�
IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER \ O
3.39 DUST CONTROL: or clogging to structural measures is to be repair immediately. Silt traps are to be cleaned SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY U )
REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION ACTIVITIES. TO PREVENT FOR ENOUGH THE TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT IT CAN BE
when 50% of the wet storage volume is filled with sediment. Al] seeded areas are to be MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND I I w
SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes CONSTRUCTED ONLY WHERE THERE IS SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY SEDIMENTATION. ' /�
PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO which are collecting sediment to half their height must be cleaned and repaired MAX/MUM EFFECTIVE L/FE /S 18 MONTHS UNLESS DES/GNED AS A PERMANENT POND BY A v'
PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. immediately. QUALIFIED PROFESSIONAL. O [-- z
20. All temporary erosion and sediment control measures are to be removed within 30 days of OUTLET PROTECTION: J = 0
1992 332 final site stabilization, when measures are no longer needed, subject to approval by the THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM U
TABLE 331-A County erosion control inspector. DRAIN OUTLETS TO REDUCE EROSION AND UNDER -CUTTING FROM SCOURING AT OUTLETS AND TO Q I
21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE = w Z
LUiRVG REQUIREMENTS a royal. (Water Protection Ordinance section 17-204G.
TABLE 332-D FOR TEMPORARY SITES Pp (w ) OUTLETS. (� W
SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after CULVERT INLET PROTECTION: W I = 2:
Recommended Application the date the land disturbing activity commenced. (Water Protection Ordinance section 17- .-I p
Total Lbs. pHt Test �Wieatmratr.imcstone 207B) A SEDIMENT FILTER LOCATED AT THE INLET TO STORM SEWER CULVERTS WHICH PREVENTS Y
Per Acre below 3 tom per acre SEDIMENT FROM ENTER/NG, ACCUMULATING IN AND BEING TRANSFERRED BY THE CULVERT. IT SOIL DESCRIPTION L1J Z Q
in
LLJ
Minimum Care lawn ALSO PROVIDES EROSION CONTROL AT CULVERTS DURING THE PHASE OF A PROJECT WHERE 27B-ELIOAK LOAM-2% To 77 SLOPES THESE DEEP, WELL DRAINED SOILS ARE FOUND ON �__ Q
42to5.2 2tons per acre ELEVATIONS AND DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL CONTROL MEASURES HILLSLOPES SLOPES. MODERATE RUNOFF, WITH MODERATELY HIGH TO HIGH PERMEABILITY. - I�
- Commercial or Residential 175-200lbs. TEMPORARY SEEDING. TO BE INEFFECTIVE. 7 i./ 06
- Kentucky31 or Turf -Type Tall Fescue 95-100% s2 to Iron per acre LL
� ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED SAFETY FENCE. •
- Improved Perennial Ryegrass 0.5% TaLE3"I-B WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE A PROTECTIVE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL 27C-ELIOAK LOAM-790 TO 151w SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON Ul O z
- Kentucky Bluegrass 0.5% ACCEPTAEIETEMPORARYSEEDIWP1d MMTERU" SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED AIRES THAT MEASURE. HILLSLOPES SLOPES. MODERATE RUNOFF, MTH MODERATELY HIGH To HIGH PERMEABILITY. 0
High -Maintenance Lawn 200-2501bs.
'QUICK REFERENCE FOR Au, REGIONS" WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. L.L. F- 4
Z
ne�u�Dve. r1 R.LtrcJxsl PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31B PERMANENT STABILIZATION. 39D - HAZEL LOAM-15X TO 25X SLOPES. THESE SHALLOW, EXCESSIVELY DRAINED SOILS ARE w U ( )
- Kentucky 31 or Turf -Type Tall Fescue 100% AND 3.31C. NOTE THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED THOUT EXTENSIVE PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER THE PERMANENT HILLSLOPES MODERATE RUNOFF, WITH MODERATELY HIGH TO HIGH PERMEABILITY.
Sept.1-Feb. lS s�M RM. WIEVALUATION OF SITE CONDITIONS, TABLE 3.31C PRESENTS MORE IN-DEPTH INFORMATION ON THE PLANT STABILIZATION OF THIS EROSION & SEDIMENT CONTROL NARRATIVE.
General Sl%& (3:1 or less) aoremmew-nemmi MATERIALS. LLJ
a so -too 65B - FAIRWEW SANDY LOAM-2% To 77 SLOPES THESE DEEP, WELL DRAINED SOILS ARE FOUND
Caw(awlu)Rw AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED,
. Kentucky 31 Fescue 128lbs. (&.� m. .) TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. ON INTERFLUVES. MODERATE RUNOFF, WITH MODERATELY HIGH TO HIGH PERMEABILITY.
Red Top Grass 2 lbs. SEEDBED PREPARATION IS ESSENTIAL. FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS. THIS SHALL CONSIST OF I—
- Seasonal Nurse Crop • 20 lbs. Feb.16 - Apr 30 A .0 Rye . W - 160 THE FOLLOWING J L U
150lbs. OAtimm^'"-B^n'm) AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. TOP SOIL - 2- DEPTH STORMWATER RUN-OFF CONSIDERATIONS. �
TABLE 3.31A MAY BE USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION LIME - 2 TONS ACRE
Low-MaintenanceSlopethan3:11 trey1.Aug31 ce,meeWla sR /
1surbiiam) RATES. FERTILIZER - 600 LBS/ACRE OF 15-30-15 THETORM WA
SEDIMENT
MANAGEMENT. THE STORM ETER RUNOFF FROM THIS PROJECT DRAINS TEMPORARILY T
- Kentucky 31 Fescue 108 lbs. SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 45 LBS ACRE PENNLAWN THE SEDIMENT BASIN &TRAP. THE SEDIMENT BASIN AND THE SEDIMENT TRAP WILL BE REMOVED AFTER Q
- Red Top Grass 21bs• GENERAL SLOPE (3:1 OR SLOPE OR LESS) TOTAL LBS PER ACRE FERTILIZER SHALL BE APPLIED AS 600 LBS/ACRE OF 10-20-f0 (14 LBS/1,000 SQ. FT.) OR EQUIVALENT ( / THE DEVELOPMENT OF THE VICTORIAN HEIGHTS PROJECT Seasonal Nurse Crop* (�
KENTUCKY 31 FESCUE 128 Les NUTRIENTS. LIME AND FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL CREEPING RED FESCUE, 37.5 LBS/ACRE ARG/LE KENTUCKY BLUEGRASS, 37.5 LBS/ACRE
P' 201bs RED TOP GRASS 2 LBS IF POSSIBLE. PARK KENTUCKY BLUEGRASS, 15 LBS/ACRE ANNUAL RYEGRASS & 15 LBS/ACRE PLEASURE C-D
- Crowtwetch •• 20 lbs. SEASONAL NURSE CROP 20 LBS
150lbs. 150 Les IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER ROUGHENING IS REQUIRED. PERENNIAL AFTER THESE AREAS ARE STABILIZED THEY WILL BE MOWED AND MAINTAINED ov�_ N
• Use seasonal nurse cropin accordance with seeding dates as stated below: SEASONAL NURSE CROP
WHEN THE AREA IS COMPACTED, CRUSTED, OR HARDENED, THE SOIL SHALL BE LOOSENED BY DISCING, ON A REGULAR BASIS.
g TEBRUARY 16 THROUGH APRIL ANNUAL RYE RAKING, HARROWING, OR OTHER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST MAINTENANCE.•
February 16th through April ...................... Annual Rye MAY 1 THROUGH AUGUST 15 TOxTAIL MILLET EFFECTIVE ON SANDY SOILS. THIS PRACTICE OFTEN CAUSES UNDUE COMPACTION OF THE SOIL SURFACE, IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY
May 1st through August 15th ..................... Foxtail Millet AUGUST 16 THROUGH OCTOBER ANNUAL RYE ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER METHODS U
August 16th through October ...................... Annual Rye NOVEMBER THROUGH FEBRUARY 15 WINTER RYE OF SURFACE ROUGHENING AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTENTION WILL BE GIVEN TO THE
November through February 15th ................... Winter Rye FOLLOWING ITEMS.- I -
NOTES: SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DRILL, CUL77PACKER SEEDER OR A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN w
" Substitute Sericea lespedeza for Crownvetch east of Farmville, Va. (May 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL HYDROSEEDER. SMALL GRAINS SHALL BE PLANTED NO MORE THAN 11 INCHES DEEP. SMALL SEEDS, SUCH ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. o w
through September use hulled Sericea, all other periods, use unhulled Sericea). TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32. B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT cc M
If Flatpea is used in lieu of CYownvetch, increase rate to 30lbs./acre. All legume AS KENTUCKY BLUEGRASS, SHOULD BE PLANTED NO MORE THAN INCH DEEP. OTHER GRASSES AND WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL /S CLOGGED BY SEDIMENT, THE m
seed must be properly inoculated. Weeping Lovegrassmay beadded toany slope 2. SEEDINGS To BE MULCHED IMMEDIATELY UPON COMPLETION LEGUMES SHOULD BE PLANTED FROM lj INCH TO J DEEP. GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. JOB No.
or low -maintenance mix during warmer seeding periods; add 10-20 lbs./acre in of SEED APPLICATION, IN ACCORDANCE w/ VESCH srD 3.35. SEED/NGS MADE /N FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE C. ALL SILT FENCE BARRIERS W/LL BE CHECKED REGULARLY FOR UNDERMINING OR 202196
mixes. MULCHED ACCORDING TO MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE
PERMANENT SEEDING SCHEDULE O REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE SCALE
PS WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS AS NOTED
No SCALE TOP OF THE BARRIER.
AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS
(STD. & SPEC. 3.32 OF VIRGINIA EROSION &
SEDIMENT CONTROL HANDBOOK, 3RD ED.) @_ RE -SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. SHEET NO.
3
Pu% d construction entrance for erosion contmi plains 1992 3.05 1992 3.05 1992 3.07 ,TH OFF
1992 3.17
CONSTRUCTION OF A SILT FENCE CONSTRUCTION OF A SILT FENCE GRAVEL CURB INLET SEDIMENT
ONSTRUCTION - -7O M'N (WITH WIRE SUPPORT) (WITHOUT WIRE SUPPORT)
�,CESS 3" SN-2A ASPHALT TOP FILTER STONE -LINED WATERWAYS SCOTT R. LINS'Z
COURSE EXISTING 1. SET POSTS AND EXCAVATE A eX4" 2. STAPLE WIRE FENCING TO THE POSTS. 1. SET THE STAKES. 2. EXCAVATE A 47X 4" TRENCH I -"I
2% 2xx PAVEMEN- TRENCH UPSLOPE ALONG THE LINE UPSLOPE ALONG THE LINE OF U NO. 35791 .b
OF POSTS. STAKES.
- W
✓jjO� L/OlJ/LL
6• MN 2'A AGGREGATE BASE _ ,lry1)J� / i op 4-12" �`S'S'I E��l
'-� '�' J I I��' J, % �- \ �j ORAL
PROFILE - ( I ' i - 1 I will
)!��____-IF70' MIN. /� III � (` IIII / / _ 18_ISTONE I 1 FLOW CONSTRUCTIONAASPHALT PAVIED�CE`=wASHRACK _ - III 4 /\ FILTER CLOTH - � CLOTHNB FILTER
!+ EXISTING / / 3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT /
I- -_ 2% 2% PAVEMENT FLOW III I IIII �II TO STAKES AND EXTEND THE EXCAVATED SOIL.
1
�2% 12' MIN.• 4" IT INTO THE TRENCH. V-SHAPED WATERWAY WITH STONE CENTER DRAIN
GRAVEL FILTER 12- NOTE: A GRANULAR FILTER MAY BE SUBSTAUTED FOR FILTER CLOTH.
r,
3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE RUNOFF WATER WIRE MESH
-POSITIVE DIGUNAGE FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL.
'MUST EXTEND FULL WIDTH I----O TO SEDIMENT �! FILTERED WATER
OF INGRESS AND EGRESS / II II W
OPERATION TRAPPING DEVICE
_ _ a
ELAN FLOW / II I a _ - --' -'- 2/3 W4-1z -- _ Vl Z Z Z
ITIIII d Z O 0 f E f
11 MIN, EJSITtVE ORAINACI �.`" , IIII j� IIII
TO SEDIMENT /fff s SHEET FLOW INSTALLATION SEDIMENT lg' _ _ -__ III= O U U U
_._,•{ -- �x ,TRAPPING DEVICE / - / / (PERSPECTIVE VIEW) _- ° _ - - _ U U U U
CONCRETE GUTTER a1 m
- - FLOW - t2" - r.�
In Z Z Z
ntiER CLOTH-� /- cues INLET- Lll (IIII- KEY IN FILTER w U) >
FILTER CLOTH O O O O
CLOTH 6"-H"
III I II ��•.� A A Z Q U U U
SECTION A -A =III - t D \x0 j..�
FLOIP O ~ N Ln N
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. - - - / - - - SPECIFIC APPLICATION - `J V)
I Z !L' 2' CL
A moot11W1 wala lap of 1 We It must hr u0alled Talh a nMltaal%a I IBch balls otk \\ PARABOLIC WATERWAY WITH STONE CENTER DRAIN w O O 0
< FILTER FABRIC G�� THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS O 0 0
KI11M0�1'ah! Xltpl)14WY a wax11 ho>r w11h a LhaulEtn III 1 nlctiv fill aderll tale \\ WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE NOTE: A GRANULAR FILTER MAY BE SUBSI7TUTED FOR FILTER CLOTH. Uj Q Q Q
Tull
E OIL�ILd pi esstae. 1V a1(II w111a lullxl be Lallled all'aS It till] the eilll V0.e lO 111 INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED
appl OPC(1 se10a12 al Ca 10 ig110Ve iellDllglt .111 se iBllgll ha0 be pl L9'ellled hulll POINTS A SHOULD BE HIGHER THAN POINT B. AREAS.
WIRE
eulataa slam ch alas. (bitches oI walacollrac. DRAINAGEWAY INSTALLATION
III
-- I - (FRONT ELEVATION) "GRAVEL SHALL HE VDOT /(3, #357 OR 5 COARSE AGGREGATE.
PAVED WASH RACK Source: Adapted from Installation of Straw and Fabric Filter
Source: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, Sherwood and W ant Plate 3.05-2
Barriers for Sediment Control, Sherwood and Wyant Plate 3.05-1 y Source: Va. DSWC Plate 3.07-6 Source: USDA-SCS Plate 3.17-2
1992 3.08 1992 3.18 1992 3.36 1992 3.38
SILT FENCE CULVERT INLET PIPE OUTLET CONDITIONS TYPICAL ORIENTATION OF FENCING AND ARMORING
PROTECTION A A TREATMENT - 9
ENDW'ALL (SOIL STABILIZATION BLANKET) CUT/FILL QUANTITIES:
.--1 '-I '-I N
CNI
`� SHALLOW w
3d°------------ SLOPE VOLUME OF CUT FOR LIMITS OF DISTURBANCE: ~ n iO m
I S,000 CU. YARD 0 o o o
------------ --- ---- ------------------ ---- d° I VOLUME OF FILL FOR LIMITS OF DISTURBANCE: 38,000 CU. YARD r4 N
`l---T-' ON SHAj_ SLOPES, STRIPS OF
DRIP O
TOE OF FILL 1 "�--_, PIPE OUTLET TO FIAT NETTING PROTECTNE COVERINGS DRIP I NET VOLUME OF FILL FOR LIMITS OF DISTURBANCE: 33,000 CU. YARD to
- CULVERT - AREA WITH NO DEFINED �jl 1 MAY BE APPLIED ACROSS \y
I CHANNEL THE SLOPE.
PLAN VIEW 6" OF TOPSOIL SHALL BE HAULED OFFSITE TO A PERMITTED (SWPPP) SITE
LU- BERM SNOW FENCE I AS EXPLAINED IN EACH PHASE NARRATIVE AND REITERATED HERE, PERMANENT OR
WHERE THERE IS A KERN AT THE TOP OF THE SLOPE,
L B TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS
I I BRING THE MATERIAL OVER THE BERM AND ANCHOR R
0 x BEHIND THE BERM. AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. 00
__ __r______T__ ___ = d am
00 STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE f�
TOE OF FILL SECTION A -A FILTER CLOTH KEY IN T-W; RECOMMENDED FOR e� PERIMETER s OEEPPE - - so I AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 3o DAYS. co
SILT FENCE BOARD FENCE TAM so PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR
F DISTANCE IS 6' MINIMUM IF FLOW A ON � SLOPES, APPLY
IS TOWARD EMBANKMENT �- TO DIE PROTECTIVE
COVERING
FLU L 00 CORD FENCE MORE THAN ONE YEAR. ® N
Sd (MIN.) AND ANCHOR!SECURELY.
ROW A O PLASTIC FENCE (�
** g CORRECT METHODS OF TREE FENCING
OPTIONAL STONE COMBINATION ----- - . ® N
PIPE OUTLET TO WELL W
DEFINED CHANNEL
PLAN VIEW r }
1 BRING MATERIAL DOWN TO A LEVEL AREA BEFORE `� / ^ 1
1 O, I.S. TH TERMINATING E INSTALLATION. TURN THE END t t I \ V
UNDER 4' AND STAPLE AT 1Y INTERVALS. t.
L ..: •.' ..... tY
a CV Q
FLOW ti 0 % -- DITCH FLOW _ ~t
2.5'
d IN DITCHES, APPLY PROTECTNE COVERING - W _ PARALLEL TO ME DIRECTON OF FLOW. 4USE SUCTS AS REQUIRED. AVOID
SECTION A -A - JOINING EIMTERALIN THE CENTER OF I Mw 1
PILTER CIUTH KEY IN 6"-S': MCOMMENUD FOR ENTIREJ
PERIMETER _ THE DRCH IF AT ALL POSSIBLE. // l\ - /iBW Z �1
NOTES: 1. APRON LINING MAY BE RIPRAP. GROUTED RIPRAP. GABION J
ppl J
CUSS I RIPRAP BASKET, OR CONCRETE.
VDOT 13, #357 OR 15 COARSE AGGREGATE 2. 1 IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED 00 CORRECT TRUNK ARMORING Q
TO REPLACE SILT FENCE IN " HORSESHOE " WHEN voo
USING PLATES 3.18-3 AND 3.18-4. 00 (/� \ �/
HIGH VELOCITY OF FLOW IB EXPECTED 3. d = 1.5 TINES THE MAXIMUM STONE DIAMETER, BUT NOT TRIANGULAR BOARD FENCE .WJ / 0.
LESS THAN 8 INCHES. Source: Adapted from VDOT Standard I V 0
Sheets and Va. DSWC Plate 3.08-1 Source: Va. DSWC Plate 3.18-1 Source: Adapted from Ludlow Products Brochure Plate 3.36-1 Source: Va. DSWC Plate 3.38-2 U
LU O T
1992 3.01 1992 3.07 TEMPORARY DIVER SION DIKE 1992 3.14 z 2 � z
SAFETY FENCE SILT FENCE DROP INLET LU w
EXAMPLE PLAN VIEWS OF U �
PROTECTION BAFFLE LOCATIONS IN W Y = p
,:Now O a 2 % 4• W000 FRAME DROP INLET Compacted Soil SEDIMENT BASINS LU z ,,w/^�
'Noun,. ® WITH GRATE 1 Q V /
••• ••■ T P FRAME 18" min. D 2 D NO scut °6
I♦�� ��� ls- MAX. U -Flow
I(i iiINFLOW
���-•'s I`.`•��.�` y f RISER O O
0
W111111
3' MIN. �1 �.� T D/q
LIR- cr W �U)4.5' min. _ NORMAL POOL \ L = TOTAL DISTANCE FROM W U O THE POINT OF INFLOW
GATHER \ AROUND THE BAFFLE TO
EAT XCESS THE MISER. I• I I CORNERS �J _ //� .. .
U J
NORMAL POOL V J
PERSPECTIVE VIEWS ��� 0/2 RISER
\ �F W
STAKE
PERSPECTIVE VIEW I . Q
FABRIC , NORMAL POOL RISERINFLOW
L -
III �• `\`\` O
-BAFFLE U 04
D 1 0
ELEVATION OF STAKE AND �~ °/2 /
FABRIC ORIENTATION DETAIL A ��Z'
rrk R+ L
n III' L1f L2
D: I OW H
SPECIFIC APPLICATION UJ w
lii: SHEETS OF 4' X Ir X 1/0 EXTERIOR Or w
PLYWOOD OR EQUIVALENT O
THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE a' _
INLET DRAINS A RELATIVELY FIAT AREA (SLOPE NO GREATER 1 RISER CREST ELEVARON a
THAN 57 WHERE THE INLET SHEET OR OVERLAND FLOWS NOT
5' MIN. EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT i 4' i JOB NO.
PERSPECTIVE VIEW PERSPECTIVE VIEW APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS i iI ii PO°R5 ROUND1. SETAT°UAOE 202196
PLASTIC FENCE METAL FENCE IN STREET OR HIGHWAY MEDIANS. Fasr 3• INTO THE GROUND.
a•
SCALE
AS NOTED
Source: Adapted from Conwed Plastics and Plate 3.01-1 Source: N.C. Erosion and Sediment Control
VDOT Road and Bridge Standards Planning and Design Manual. 1988 Plate 3.07-1 SHEET NO.
�: g � Source: USDA-SCS Plate 3.14-6
4
EROSION CONTROL
EROSION CONTROL *
'
CATEOIMENT
HANDBOOK11
GRAPHIC SCALE
*
SA
-o------- 0-
SAFETY FENCE
301
ao o u ao Go
Tzo
CE
CONSTRUCTION ENTRANCE
J.02
'
CR
CR
CONSTRUCTION ROAD STABILlZA770N
J.
( )
IN FEET03
1 inch = 30 ft.
'
SF
y
SILT FENCE
3.05
lP
STORM DRAIN INLET PROTECTION
3.07
NOTE: MEASURES INTENDED TO TRAP
SEDIMENT SHALL BE CONSTRUCTED AS A FIRST
NOTE: SLOPES GREATER7HAN 3:1 SHALL BE
PLANTED WITH NATIVE tTEEP SLOPE MIX WITH
STEP WITH ANY LAND DISTURBANCE ACTIVITY
ANNUAL RYEGRASS BY RNST CONSERVATION
AND SHALL BE MADE FUNCTIONAL BEFORE
SEEDS ATA RATE OF 6� LBS. PER ACRE, OR 1 LB
ment Basin Design #1
ge area (acres)
volumes: (using 2' contour intervals)
elevation (ft) contour area (sf)
3.3
volume(cy)
MIN. 1'WI SVLLWPY CREST OF EMERGENCY
rwITHOOT SPILLWAY
DESIGN HIGH WATER
(]5-YR. STORM D .)
518.00 865.0
0
on' _
520.00 2005.0
103
MWA 1 u
-E MSER Cfl6T
�
522.00 3343.0
299
E r DERNUMxc
oen¢
524.00 4807.0
600
E . STo
526.00 6380.0
1013
0.00 0.0
0.00 0.0
0
0
sEOMENr cLuxavr PORR
REW0E0
TOO 2A cGYY.// ACRE)
Sediment Trap design #1
drainage area (acres)(< 3 ac)
1.51
trap volumes:
elevation (ft) area (sf) volume(cf)
volume(cy)
496 1049
0
0.0
498 1989
2,988
110.7
500 3059
7,998
296.2
0 0
0
0.0
0 0
0
0.0
r vARRBLE
ORIGINAL CREST OF STONE WEIR I ,wNAp/• I
OW. D
nxv
DRY STORAGE
SCOTT/R. CbLLINS'Z
U No. 35791 ,n
N VPAIFHLE,
2/08/22 ,�J
WET STORAGE\ 1
t' RU .
(DtGYATm)
\FILTER CLOTH O
GR LU.O
,
ELEV
ClP
I/
CULVERT INLET PRO TEC7ON
3.08
UPSLOPE LAND DISTURBANCE TAKES PLACE.
PER i,000 SF, UNLESS PECIFIED OTHERWISE.
wet storage:
wet storage required (cy) (67*DA)
221
design high water
524.00
wet storage:
wet storage required (cy) (67*DA)
bottom of stone weir (ft)
101.2
497.83
ME PATE 3.13-1
COARSE AGGREGATE** CI -ASS I RIPRAP
Sediment Trap design #2
DD
TEMPORARY DIVERSION DIKE
3.09
dewatering orifice elevation (ft)
521.20
top of dam (ft)
526.00
wet storage provided at this elevation (cy)
101.2
<
drainage area (acres) ( 3 ac)
0.20
'' v"R'PB1�
wet storage provided at this elevation c
9 P (Y)
221
to width of dam ft
P ()
10.0
slope of wet storage sides
p g
2:1
®
TEMPORARY ROW DIVERSION
311
try volumes:
P
CREST OF STONE WEIR
available volume before cleanout (cy) (34*DA)
112
bottom of basin (ft)
518.0
weir length ft6xDA
9 ( )( )
9.1
elevation (ft) area (sf) vvlume(cf)
volume(cy)
�Nyy AR,"ap'
G�,m r �l
cleanout elevation (ft)
520.07
approx. bottom dimensions:
111k13'
dry storage:
bottom of trap elevation (ft)
496
ST
SEDIMENT TRAP
J. 13
514 76 0
0.0
I o'
- - -
distance from cleanout to orifice (ft) (> 1�
1.13
upstream face slope:
downstream face slope:
2:1
2:1
I
dry storage required (cy) (6TDA)
199.0
bottom trap dimensions:
10k90
516 324 371
13.8
DRY STORAGE N v,,,� E
dry storage:
crest of stone weir
499.0
top of dam elevation (ft)
500
SB
SEDIMENT BASIN
3.14
518 700 1,371
50.8
dry storage required (cy) (67*DA)
221
baffles:
YES
dry storage provided at this elevation (cy)
101.2
top width of dam (ft)
10,
0 0 0
0.0
principle spillway crest (ft)
523.00
length of flow, L (ft)
20
/
slope of dry storage sides
2:1
top trap dimensions
27'X115'
0 0 0
0.0
WET STORAGE
dry storage provided at this elevation (cy)
221
effective width, We (ft)
203
OP OUTLET PROTEC7ON 3.18
(ExcwED) • RnL
FILTER CLOTH ORQNAL
diameter of dewatering onfice (In) 4.0 L / We (baffles required if < 2) 0.1
\ \
V)
Ln
v7
rn
°L" 13
diameter of flexible tubing (In) (orifice+2°) 5.0
w
w
w
RR RIPRAP 3.19
wet storage:
collars: YES
..
Z
0
z0
X
7-
.SEE P m 3,13-1 COORSE AGGPECLTE� cuss I Rr
wet storage required (cy) (67*DA) 13.4
runoff. depth of water at spillway crest (ft) 4
C (use 0.45 for bare earth) 0.45 slope of upstream face (Z1) 2
/ OUTLET PROTECTION TO INCLUDE A FILTER FABRIC UN DERLAYMENT KEYED \
O
H
a
I-,
N
u
(1
u
Q
u
IS TS TEMPORARY SEEDING 331
�
bottom of stone weer (ft) 515.95
tc (min) 14 slope of barrel (Sb) 4.00°/R
��
INTO THE EXISTINGGROUNDAMINIMUMOF9 AT THE ENDS THE
N
U
Ln
m
PS PS PERMANENT SEEDING 332
wet storage provided at this elevation (cy) 13.4
2:1
12yr 3.6 O 2yr 5.3 length of barrel in saturated zone (Ls) 28.57
PERIMETER. EDGES OF FABRIC SHALL OVERLAP A MINIMUM OF 9". STONE TO `
/
w
0
0
0
0
slope of wet storage sides
1 25yr 5.3 O 25yr 6.6 number collars required 2
weir length (ft) (6xDA) 5.0
dimension of permanent collars 3.4k3.4'
BE VDOT CLASS AI STONE WITH THE FOLLOWING DIMENSIONS: \
p
F
�
V)
N
MU MU MULCHING 335
dry storage: bottom of trap elevation (ft) 514
principle spillway:
La= 11 FT \
\
n
z
w
w
w
dry storage required (cy) (67*DA) 13.4 bottom trap dimensions: 4'X19'
/
available head (ft) 1.00 emergency spillway: NO
i \
4 FT
III
>
Lu
""
elf
0
of
0
ce
0
TP TREE PROTECT/ON 3.38
crest of stone weir 517.0 top of dam elevation (ft) 518
/
diameter riser (n) 24 required capacity (Q251]p) (cis) 0.0
13 bottom
' W1= \
13 FT 1
W
m
0
Q
0
Q
0
Q
dry storage provided at this elevation (cy) 13.4 top width of dam (ft) 6'
width n/a
spillway capacity, (i O
6
diameter trash rack (in) 36 slope of exit channel (ft/ft) -
h
I DEPTH= 15 FT �
DEP
slope of dry storage sides 2:1 top trap dimensions 20' 05'
DC DC DUST CONTROL 3.39 barrel length (ft) 212 minimum length of exit channel (ft)
A \ 9 Ospillway(ft)
�- head on barrel through embankment ft 13.00 crest of
SOIL STABILIZAAON BLANKET 3.36 _ --__ _ diameter of barrel (in) 15
/ - - -
---
�
I
/ I \ PROPOSEDTEMPORARY BURN LANESTOCKPILE SURROUNDED /
/ v I BY SILT FENCE x I / W ROUTE - -
CONTRACTOR SSTATE UTE STAGING AREA OOD 659 /---------
WITH FUELING TANK DUMPSTER - �
)
/
- � ----
X/ -
� _ x - X � � j � � -AND PORTA-POTTIES - 40'RAN
� J- -
_ _ _
X x
9�
/
SF
/
w/ WIRE NOTE: SILT FENCE, SAFETY p CD_ _ - �♦ _ / SUPPORT ~ ^ CD
CD
gas Iwo � � i � TS � / / FENCE, AND TREE PROTECTION
- -Z WASH RACK / , / / /SHALL BE INSTALLED AT LIMITS,
ARE
MU / / /
DIET FOR GRAPHICAL
CPUDIVIDES
• .I / E 1z'x7o' MIN. ! � / / / ARE MEASURED AT THE LIMITS
FLOW DIRECTION \ 1 - - / / / C - / OF DISTURBANCE OR
/ r DIVERSION DIKE.
TYPJ NOTE: THIS CONSTRUCTION ENTRANCE S
_W (
NOTE: CONTRACT6T0 MU 1 / / % Rw INSTALLED OPERATED, AND MAINTAINED BY THE
/ ° CONTRACTOR. ALL CONSTRUCTION TRAFFIC IN THIS / Z '
\ � ENSURE POSTIVE �� v I � 1
/ / / / PROPOSED LIMITS OF M
� I
/ / 1 DID DRAINAGE ALONG - - R A CT NTR DI
�� � , / NSTg
DIVERSION DIKE - \ - - - - SOIL TYPE 6 B \ L
/ AEASH SHALL U TONE ANCE/ STURBANCE(TYPJ' M
I� - �_ / / _ / r / / / / � / / / 'DITCH ALONG - - N
/ _ A / / / / / DC a DIVERSION DIKE TO'
SOIL TYPE 656 ' _ _ / / / / h , / / / BU LINED WITH / -
--�- ---- 1 1 -
CONCRETE WASH / , / / / TP O
DRAINAGE DIVIDE (TYP.) / / / / / / OUT AREA' TS / / / 0')
i
PROPOSED LIMITS, _ - _ _ = _ _ - _ A _ - - �� - = = ` T RIW DIVERSION AND DIVERSION DIKE-
_ - - - _ _ _
OF DISTURBANCE (TYPJ - - - -- - - - �L _ - - L =� - - - _ - _ _ Wa - /- - O S /o �8 i h�6 / SAF i J
_ _ _ _ MALL SEDIMENTTRAPPING DEVICE x
FOR CONSTRUCTION ENTRANCE � /'Sy / 5 . � �` � �500 / � � / J_
M / / TY So2 g9 i
1 = / / _ v AREA TO SEDIMENT TRAP = 2.o9 ACRES + v / / L P z7C / TS / / / U)
\ TP - - - \ 1.21 ACRES OF OFFSITE UNDISTURBED , - -I_ - - - AREA TO SEDIMENT TRAP= 1.51 ACRES / / yo oo =LU
OI %
PROPOSED FENCE, ARE -- - - -- / / / x T SOIL TY / /
/ 5
AROUND SEDIMENT
BASIN` � T$ �- � /-�-� ��� ��� �// ,/ ,, ;, `,yOYV•f�0� �� �� -
-_
1 ssk / / , • P OF / /
��- /�O /
/
PRIOR TO CONVERTING SBiTO ST5, / - / / `► O
SEDIMENT BASIN TO BE DEWATERED / / _ / /' / • 7o FOOT LONG
- - - / BAFFLES
_ \ AND DEMUCKED/CLEANED OUT SOIL TYPE ; - / / /
°SOIL 7Y� z �C x x x / Il BOUNDARY (TYP J - s,� ♦ ♦/ / 4 FOOT HIGH
' 7 R\ \ /SOIL YPE z C i , i / ♦ / i / F /
SF J x �• , . , , x . BM . , k x . z < % % , \ \ \ / 7 / / / / i / / / / PROPOSED FENCE _ / , Y y%c/ U
1 x . x ...�� . , ✓ . , x . \x 1.
SOIL TYPE 27B / �/ / / i / / DC / / AR UND SE - / u
w/WIR 1 ..., x.. max' - M /// //-_------ / / /DIM // �CIIJ
O
SUPPORT .. TRAP--
P \ w \\V - LLI
.. _ . _ . - - / I / • / - __ CONTRACTOR TO / A
� . * .. V r�z8' 82 FOOT LONG 1 .... _ _ - _ _ - - i �jIP
". 6 FOOTHIGHBAFFLESTIVE
S - / / / / - / DD DRAINAGESURE OALONG / A
\ / SOIL TYPE 39D
s� -- . , , / / / / _ _ - - _ _ - DIVERSION DIKE IP _
x.
- AREATO SEDIMENT \ .� - - / �P VDOT CLASS AI STONE - - - / , _ /
LU
TRAP = 0.2o ACRES / , Wz=13'
DITCH ALONG
DIVERSION DIKE TO
- .. � � - x-,-�• fix. � � •� � �v
V A � Sui � 2� ��-524 .. x .-+-*r � - /
BE LINED WITH x ; �x , .. , - Sze S2o - -. - 510 So8sob _ _ \ \ \ ►
JUTE \ 'SOIL TY E 39D .. T PDBM! W
\ SAF \ X
f1 19 be"
P OF 51
O��x6.
DC
""< Ur
X
O
PROPOSED TEMPORARY 24" CMP RISER RIM
BER AR DRIVE DEWATERING ORIFICE (ER (IINV ELEV INCLUDE 5 1.2O) & - - IP
O W A TEMPORARY TRASHRACK &ANTI VORTEX
/ - STATER
VARIABLE WIDTH RI DEVICE. RISER SHALL BE FIRMLY ANCHORED - -
PROPOSED FENCE - N TEMPORARY 15" CMP BARREL
TO PREVENT FLOATING. RISER TO BE SET N
_ - z1z LF 2.8 18 \I `
AROUND SEDIMENT - / 1 - _ _ - - -A MINIMUM OF 30" OF COMPACTED SOIL OR -1 - ( 3% ll=5 X\� /
A / TRAP / -- _ _ - -- AGGREGATE BASE OVERA6'X6'X22" - - _ 10=51z)THE CONNECTION \ \ Diversion Dike Ditch Lining Calculations Job Number: 202196 S
- BETWEEN THE RISER AND THE \
� - - - - �- -- -THICK GALVANIZED STEEL BASE PLATE OR - \
- - - BARREL SHALL BE WATERTIGHT. \ \
--SET 6" INTO A 6'X6'Xi8" THICK REINFORCED \
-CONCRETE FOUNDATION. NOTE, IF STEEL \ V > r
(% - - -BASE IS USED, SPECIAL ATTENTION SHALL
--------_---- - _ _ - --- -- --BE GIVEN TO COMPACTION SO THAT95%
THE PLATE./ COMPACTION IS ACHIEVED OVER
I M H\
d I I
--- ,
LL
Max S=5L7.
MmV=3.Ofps
EC-ZMaxV=4.0fps
EC-37ypeA,Ma V=7.04ps
Sta
From
Sta
To
T
(min)
C
Value
Area
(ac.)
CA
ccu
1
(in/hr)
Q
(cfs)
Slope
(ft/ft)
Earth 2.03)
n
Jute(Sod) (n�.05)
Vel.
Depth
Vel.
Depth
DD left of ST2
ST2
5.0
0.45
0.12
0.05
5.6
0.30
0.1330
2.31 fps
0.21 ft
DD right of ST I
ST 1
5.0
0.45
0.23
0.10
5.6
0.58
0.1250
2.67fps
0.27 ft
U
I J
]OB NO.
202196
SCALE
111 _ 301
SHEET NO.
5
EROSION CONTROL * IOOKEROSION
SSEDIMENT
CONTROL
PECIFICA77ONNUMBER HANDBOOK '
SA -ate SAFETY FENCE 3.01
CE CONSTRUCTION ENTRANCE 3.02
CR CR CONSTRUCTION ROAD STABILIZA77ON 3.03 '
3
SF Y SILT FENCE 3.05
NOTE: SLOPES GREATER THAN 3:1 SHALL BE �
IP STORM DRAIN INLET PROTECTON 3.07 PLANTED WITH NATIVE STEEP SLOPE MIX WITH
ANNUAL RYEGRASS BY ERNST CONSERVATION
SEEDS AT A RATE OF 6o LBS. PER ACRE, OR 1 LB
ClP 0 CULVERT INLET PROTECTI0N 3.08 PER 1,000 SF, UNLESS SPECIFIED OTHERWISE.'
DD ------ 110- TEMPORARY DIVERSION DIKE 3.09
® ► -►� TEMPORARY ROW DIVERSION 3.11 Sediment Trap design #5
NOTE:
drainage area (acres) (< 3 ac) 1.97 '' vAR� SEDIMI
ST SEDIMENT TRAP 3.13 trap volumes: CREST OF STORE WEIR STEP VN
elevation (ft) area (sf) wlume(cf) wlume(cy) °C� ND YARu�E AND SI
an.
SB SEDIMENT BASIN 3.14 520 326 0 0.0 °' UPSLO
522 1235 1,464 54.2 DRY STORAGE - VARIABLE
OP OUTLET PROTEC7ON 3.18 524 2541 5,162 191.2
526 4030 11,676 432-4
RR RIPRAP 3.19 0 0 0 0.0 WET�ORAOE I
a• wu
FILTER CLOTH G N/
C D
ELM
ELEV.
TEMPORARY SEEDING 3.37 wet storage: /
-SEE PULE 3.13-1 COARSE AGGREGATE C1A52 Z RIPRAP
wet storage required (cy) (67*DA) 132.0 i
PS PS PERMANENT SEEDING 3.32 bottom of stone weir (it) 523.14
wet storage provided at this elevation (cy) 132.0
MU MU MULCHING 3.35 slope of wet storage sides 2:1
weir length (ft) (6xDA) 11.8
TP TREE PROTECTION 3.38 dry storage: bottom of trap elevatior (ft) 520
dry storage required (cy) (67*DA) 132.0 bottom trap dimensions: 7'X81'
DC DC DUST CONTROL 3.39 crest of stone weir 525.0 top of dam elevation (ft) 526
dry storage provided at this elevation (cy) 132.0 top width of dam (ft) 10,
+ + SOIL STABILIZA770N BLANKET 3.36 slope of dry storage sides 2:1 top trap dimensions 31X175'
BM + + +
KIOTE: DRAINAGE DIVIDE;SECTIO S GREATER / -
/ THAN 2% IN SLOPE SHALL BE STABILIZED WITH
A STORMWATER CONVEYANCE HANNELIN
-ACCORDANCE WITHX/ESCH STA DARD3.17 X X l /
- - - -------------------- -=- ---_ " a, -
X III
x
/ 5448 -
x-x - --- x- x-x--x-x-x-x-x-_77
1
- --V 1
NOTE: CONTRACTORTO--
ENSURE POSTIVE 1 /
RAINAGF Al Mir
ISediment Trap design #3
TH 0
F
drainage area (acres) (< 3 ac) 1.80 YAAWIE
' trap volumes: 01 CREST OF STONE WEIRC� elevation (ft) area (sf) wlume(cf) wlume(cy) °ROUN
moo 1�
ZAPHIC SCALE 516 1416 0 0.0 SCOTT R. LLINSZ
' 518 2390 3,764 139.4 DRY STORAGE H vARPffiE U No. 35791 ,�
-0 520 3491 9,610 355.9
0 0 0 0.0 40� 2/08/224
0 0 0 0.0 WETSTORAGE V uA �SSIONAL EGGS
(IXCAWTFD) W
FILTER CLOTH OMGINAL z
GRWNO Z_
1 inch = 30 £L. ELLS
Wet Storage: -SEE PATE ] 13-1 COARSE AGGREGATE— CUSS Z RIPRAP W
I wet storage required (cy) (67*DA) 120.6 N
z
bottom of stone weir (ft) 517.73
wet storage provided at this elevation (cy) 120.6 0
' slope of wet storage sides 2:1
RES INTENDED TO TRAP weir length (ft) (6xDA) 10.8 C
ALL BE CONSTRUCTED AS A FIRS f dry storage: bottom of trap elevation (ft) 516 N
/
dry storage required (cy) (67*DA) 120.6 bottom trap dimensions: 14'x99'
IY LAND DISTURBANCE ACTIVIT `o
MADE FUNCTIONAL BEFORE \ crest of stone weir 519.0 top of dam elevation (ft) 520
D DISTURBANCE TAKES PLACE \ \ \ \ dry storage provided at this elevation (cy) 120.6 top width of dam (ft) 6'
\ slope of dry storage sides 2:1 top trap dimensions 31'X115' 3
- v m In V) g
1 \ A V A I A O O g f g 7
\ \ \ \ Lu _
Lu Ln Z Z Z 3
Lu Ln0 0 0 a
J U c
w w w
> elf Of InIf
W � a a a
1
_ ----
NEE --- - ----- -
j OODBUR -
/ STATE ROUTE 659 - _ ___- IP
X X- - i W
FENCE, AND TREE PROTECTION
40' R/ / NOTE: SILT FENCE, SAFETY C
CONTRACTOR TAGING AREA
x i o
H - SHALL BE INSTALLED AT LIMITS
� N ITS.
_ o. % SF OF DISTURBANCE. THSE ARE W cv r1i C141 N 2
WITH FUELING TANK, DUMPSTER, / x s - i FFSET FOR GRAPHICAL a o to o�° E
AND PORTA-POTTIES - _ i& an -- _ 5�9.9 wIW RE o CD N
PURPOSES. DRAINAGE DIVIDES CD rV
SUPPORT ARE MEASURED AT THE LIMITS
_� OF DISTURBANCE OR
loop
so
lo
MU / 7 0 -
DIVERSION DIKE
��" 1 / -PROPOSED LIMITS OF LU n
- IP WASH ACK / / DISTURBANCE (TYP.)
- - zX7 LE
-
o MIN
54z� / -- wD CE N E TRANCE SH B THE 519.1 o
54 - �� / COSTRUCTIO pIIA1 TAINED THIS i DITCH ALONG
)P NOTE:THIS pTED1ANPUCTIONr-nCn) �NCE" ��� 1.oh
- .-TA) ) FD,OPER �nnISTR TR o DIVERSION DIKE TO M 3
iry
LL
TS - 534 / STOCKPROPPILE fiMP�RARY SURR UNDED / / i / ° IP ) r �' / / Q
53 5 i - i i I) / �
RAINAGF DIVIDE (TYP.)
TO _ - - � '� � � � � / � BY SILT FENCE w � � � � � N Z •
1VX4
CONCROUTAREA ��!EWASH�/ ��lLn 58. /r �� O
- \
\ MU 1 o RT /
_ - - -- - - - _ / 7- NOTE: CONTRACTO O
5343 _ - - 532 _ _ - - - - v AREA TO SEDIMEN TRAP =1.97 ACRES - r - ���)� - - - / r ENSURE POSTIVE
CRS DC
1 _ i ' " DRAINAGE ALONG J
PROPOSED LIMITS 1 _ - _ _ = - - _ - _ - _ �r R/W DIVERSION AND DIVERSION DIKE / IP V RSION DIKE 0
OF DISTURBANCE TYP. - _ - - _ _ - = = - - _ - - - - \ - - - TO SMALL SEDIMENT TRAPPING DEVICE O / ` DI E w
FOR CONSTRUCTION ENTRANCE / 5 5 5� /
� i � / l -� (,%�
15.3% 1 = IP \� 1 / / �� •i ro / / SAF ii
V 1 i AREA TO SEDIMENT TRAP =1.8 A( �5 / i U)
U N
SAF 529.0 28 \ _ - - - - 1 / / �' i14 LL
5 \ / / �' - T - Z
/ FLOW DIRECTION i� / �...-TOP
DITCH ALONG _ i A i -� T
ARROW (TYPJ \ - - i TEMPORARY 18"CMP PIPE / S i � x x O O
DIVERSION DIKE TO 1 !� - TS / _ / T DP
(26 LF z.00% 11=510.16 TS i i / /• J = `J
6E LINED WITH -5 9� 4 / � / � D� r / � � ,� � � / � \ .. / �
JUTE 1 - ! V A V PRIOR TO CONVERTING SB2 TO ST5, 1 i r - MU 10- 0 6) / x ( I
�3 3% SEDIMENT BASIN TO BE DEWATERED / _ �J
1 MU /� \ \ \ � � - - I / / / � AT THE TIME OF TEMPORARY SEDIMENT i � � god / . , ` %��� ` X _ ~ Z
- / �' I i i r f! 21. X Q
L AND DEMUCKED/CLEANED OUT 1 i / 4 X L.0 -TRAP'S REMOVAL, THE CONTRACTOR 52X %l
LIJ
SF ! 1.5% TS TS 534 9 / / i / SHALL REMOVE THE TEMPORARY PIPE �7% i �5� 8, / �X � U
- / i - CONNECTION INTO PERMANENT STRUCTURE 5 /
! � 533
PROPOSED FENCE 8 /
w/ WIRE - ! AROUND SEDIMENT / 7 ,' / / / - -16 &COMPLETE THE INSTALLATION OF THE 'IP Y
SUPPORT - STRUCTURE.. _ ■ x Y \ \ �J J Q
v \ IP !�! TRAP 532.0 �� - - -- - - _ _X, X x \ \
532 x ,i 8• _ � L.L
�528.5
\ \ \ ARE TO SEDIMENT ` ` ... _ , . ST5 5 5?7 0 -X- X, ♦ \ - / r
o. o ACRES . , ..... , ° ' " ' S 4 - - TEMPORARY MANHOLE _ ) / / ♦°� / W
E SILT FENCE AND SAFETY FENCE -
RWD TS „,� x 7 SzO - „ '� - _x TEMPORARY 1811 CMP PIPE -" -''\ _ - \LU
LASE NOT SAFE TO / j - - _ _ _ ^\ \ \ / z
(35 LF Qa 8.00°/6, 11-504.16, - _-- \ PE INSTALLED AT BACK OF SIDEWALK TO BE
- - A �5' FROM THE RETAINING WALL. W / - - - - v v / e U)
06%a� x - _ '' 10WIDE�...)wil , _._ _ �8� D AT THETIMEOFTEMPORARYSEDIMENT \ \�ow� 00 iX,---
.... 'rz _ _ / _ ---- -- - TRAP'S REMOVAL, THE CONTRACTOR - \ �j } - - / / w O
__-- - - -
iz'x7o'MIN. CE - _- _ - i
- - _ x x x x x x x x -= IP
\ � SHALL REMOVE THE TEMPORARY BARREL �► � / Y � \ 1� \ y I /
. , , � - � -� =x X- \ 18„ CONNECTION INTO PERMANENT STIR. z � y� � \ \ \ \ r I
WASH RACK IP sv8 - _ - - - CO _ j j , / - roa®F' , %% -- ,N ,♦yam THE OF z �- / ii Y �r
& COMPLETE T INSTALLATION O \ \ \\
/ . ,.. DAM x ` or �
_ T� I w
- _ ___mil
R/W DIVERSION AND x , ---- - -- ERNE \ - - \\-\ , / (�' 1 l \ - /
DIVERSION DIKE - �� - x x x-x-x-x /
' TO SMALL SEDIMENT-� BERKM
RWD 6---- x�F-x-X� - STATE ORE 1403 -- \ /�
TRAPPING DEVICE __xX - W
`FOR CONSTRUCTION- - X -_ ,N IP _
_ � - � VARIABLE WIDTH R/ \ _ _ �i - �'� �'��s /
IP r i �/ \i /✓\ \ / \1\ /
ENTRANCE_ a - - I A
r r ATTHE TIME OF TEMPORARY SEDIMENT 1
_ /� \ / i 1 U
TRAP'S REMOVAL, THE CONTRACTOR_ - \ ( / Lu
_ _� A \ \
SHALL REMOVE THE TEMPORARY PIPE / �� _------------ --_-__ - \ X\� \ \ \ \ \ I 1 / 7/ \ \I ` 0 w
? _ CONNECTION INTO PERMANENT STRUCTURE _ - � ` - - - - - - - - - - - - - - - - - - - \ \ -� � \ \ \ \ \ \ / / ` 1 O = 1.
q / - �- ------ ------ ------ - --- - -\ �X�^\ v v\ A V A A \ IV V 1 V /\ / A a En
&COMPLETE THE INSTALLATION OF THE IF-- - - - - - - - - - -
i I A A V A A V I A .� \- V 1 JOB N0.
STRUCTURE. CONTRACTOR SHALL PLUG �3 I - - - - - - - - - - - _ _ _ 202196
HOLE IN EXISTING CURB INLET WATERTIGHT._
i ----------- - - - - - -
--------------� \ \ ) / r i r / i / / / / SCALE
TEMPORARY 15" CMP PIPE / - - - - - /
TO EXISTING CURB INLET/ / - - - 1 / / r / / J / / ` \ 1 11 = OI
1
- _ -� --- LF / �\ /I'm
i / / / / / v 3
(29.15 Ca 4.6%116 7, =511.3, / / //
_ / / � / A / I H\ V / / / � � r / � r �/ // / V I VA I � ,I 1 A� �� 1 SHEET NO.
10=--- -
fi_-I - --_- / l / ////// / �r sir/ // V 6
EROSION CONTROL * HANDBOOK11 EROSION CA SEDIMENT CONTROL
Sediment Trap design #4
® ® �1 TH OF
SA -ate SAFETY FENCE 3.01 ® ® ® I
\---------------------------
drainageo ® I'
area (acres) (< 3 ac) 0.11 '• """"�" 5
trap volumes: CREST or STORE wEin IP
CE CONSTRUCTION ENTRANCE 3.02 DPoOWL ^� O �I
elevation ft areas volume c volume(cy) \ \ _
1a \ F ,
O (� (� (Y) `cuv"a"° - - SC( R. LLINSZ
CR CR CONSTRUCTION ROAD STABILIZATION 3.03 520 36 0 0.0 - \5-
0
6 y _--------- _____ , ____ _-- --------- ----- - - I �U No. 35791
522 204 217 8.0 _ -
DRYSTORAGE - '?
SF Y SILT FENCE 3.05 524 500 899 33.3 I / �nr 2/08/22 t4 P
0 0 0 0.0 v_ / s EZy 1 z
I
O O O O.O WET STORAGE SZ(, \ /� S ZONAL W
IP STORM DRAIN INLET PROTEC170N 3.07 •.
'
(DICAV�TFD) _____ __ _-___
W
LITER GLDTX paclu.0 / I Z
C ELINO
ELEV \
W
ClP � CULVERT INLET PROTECTION 3.08 wet storage: .� q,,h ,,,,_, couaE AGGREGRTE- gas: I RIPW.P � • - N
wet storage required (cy) (67*DA) 7-4 z
IP
DD �� TEMPORARY DIVERSION DIKE 3.09 bottom of stone weir (ft) 521.83 zz o
wet storage provided at this elevation (cy) 7.4 V /
TEMPORARY ROW DIVERS/ON 3.11 slope of wet storage sides 2:1 v �' \ _ / � o
weir length (ft) (6xDA) 0.7 -
dry storage: bottom of trap elevation (ft) 520
ST SEDIMENT TRAP 3.13 dry storage required (cy) (67*DA) 7.4 bottom trap dimensions: 4'X9' IP
/ -------------------------
crest of stone weir 523.0 top of dam elevation (ft) 524
SB SEDIMENT BASIN 3.14 dry storage provided at this elevtion (cy) 7.4 top width of dam (ft) 6' IP \ �r26 _ 24�
slope of dry storage sides 2:1 top trap dimensions 22'X25' \ 522 .520-
OP OUTLET PROTECTION 3.18
516Tw 50 fn !n V)
510BG 5 H H H x
I,, - - •, - - .- - - �� _ __ STA. 0�00 508BW S Z Z Z
J - - SIOTW/BIG W W W
RR RIPRAP 3.19 NOTE: MEASURES INTENDED TO TRAP f IP SZ / - - IP z z
SEDIMENT SHALL BE CONSTRUCTE AS A FIRST / NOTE: SLOPES GREATER THA 3:1 SHALL BE _ _ - _ - - - "--sisoeG g g g
/ PLANTED WITH NATIVE STEEYSLOPE MIX WITH - - : 514, \ � �5p88 n608W a Ln
TS ---�- TEMPORARY SEEDING 3.31 STEP WITH ANY LAND DISTURBANCE ACTIVITY / / / ANNUAL RYEGRASS BYE ST CONSERVATION - Ln 0 0 0 °
Z
AND SHALL BE MADE FUNCTIONA BEFORE. / E U m
SEEDS AT A RATE OF o LBS. PER ACRE OR 1 LB „ ~ ` R DRIVE O Ln
OUPSLOPE LAND DISTURBANCE T 1<E�PLACE. - -- -- - / / \ BERKMA -_--\- U) Ln z z z 3
PS PS PERMANENT SEEDING 3.32 V -PER 1,000 SF, UNLESSISPECIFIED OTHERWISE. - wo 516 _ STATE ROUTE 1403 VI o Ln O O O
MU MU MULCHING 3.35 v l / / �� - _ IP v m z w w w
/ IP VARIABLE WIDTH R/ \ _ H o w v) V) a
Z m m ui y
\ I / / 1 \ \
- v
TREE PROTECTION 3.38 � - - \ \ \ � / � - - _ _ _- � � � 0
elf Of InIf
' - li
w � � o
DC DC DUST CONTROL 3.39 , \\ - , ROSIEDIMENT CONTROL PLAN PHASE IIIA ---- °
BM + + + + + SOIL STABILIZA7ON BLANKET 3.36
GRAPHIC SCA E
\ o o� a �� ao Bo / 20 _
E-� ---------------
IN
FEET > 11 �_, WOODBURN BAN _-�---- --
NOTE: DRAINAGE DIVIDE SECTIONS GREATER / 1 inch = 30 /t. i' �/ _ X I / STATE ROUTE 659 IP
THAN 2% IN SLOPE SHALL BE TABILIZED WITH � �- � / / � \ � X _ - , CONTRACTOR STAGING AREA-_ W
/ X - X - X - - - - - - -WITH FUELING TANK DUMPSTER 40' R/ C
-^ `�,-O,°^-A.WATEB C VEYANC CHANNEL IN /-�„ ��X - X - X - X - - - - _ _ - i NOTE: SILT FENCE, SAFETY o
- - - - - - - - - - - - - - - - �° �„ a„ o„ n - - - AND PORTA-POTT ES FENCE, AND TREE PROTECTION
ACC-ORDANCE-WITHVESCH-ST,ANDAPD3.27-- --- -- -I =----- - -- --- - - ---- ----= H - - - - --- - - o
---
- �-- - - - - - - - " - --_ - - OF DISTURBANCE. THSE ARESHALL BE INSTALLED AT
w N \ N N
- - - - -
i SF
- - -
V / / i FFSET FOR GRAPHICAL a o o of
- -
_ w/ WIfFE PURPOSES. DRAINAGE DIVIDES o N N o
- - - - - - - - - - - - - - _ _ NOTE: CON RACTOR TO SUPPORT 'ARE MEASURED AT THE LIMITS ~ ~
IP w ENSURE POSTIVE c - , , / / OF DISTURBANCE OR
-- _ -- --- S RT
- � - D DIVER /
' A N I [] p DR INAGEALONG DIVERSIONDIKE
-- _
544. o
I R ION DIK i �
v Sy x7 'MIN. CE < DRAINAGE DIVIDE TRAP
/
AREA TO SEDIMENT TRAP = o.ii ACRES /' / - - � _ p�
-- -- - _ >
V IP -- - -- _--- ma. / z o PS N TE: THIS CONSTRU TION'ENTRANCE S ALL B' WASH RAC ° /
/ _ I IN TALLED, OPERATE , ANDjMAINTAINE BYTH � �" � � �� PROPOSED � PROPOSED LIMITS OF M o
12 > FENCE AROUND DISTURBANCE = 5.13 acres ® M 3
AR ASHALLUTILIZETh15CO CONSTRUCTION
ENTRANCE. \ /SEDIMENTTRAP / 0')
542 N o
\ I
L 1
II� II 538 I I I'I / / / /ry / / (n >
IP
IIIRWD / o
6' WIDE TOP
/ Q
w OF DAM - / / - o
- N w
N-i-f ' / / i Z
'WAS/ W - -(- I� 1, IP / / O -o
/ N RETE \ - - ♦ _ C
/ � / D
OUT ARE Ln
534.0
---- \ // °/ / - - / z o
Q J
PROPOSED LIMITS ALLEY Rwo J J
OF DISTURBANCE - - _--
��, / i i
/' � IPI 1
IP rFs \ _ C \ 28 PRIVATE ACCESS EASEMENT) / _ -
( _ y WMH / - ,
O >
=5.13 acres '� - - - - - - - - _ - �_� j. Fs - -- � / - - , ' R/W DIVERSION AND DIVERSION D KE '': / � J o
G
)
`C /TO SMALL SEDIMENT TRAPPING DEVICE --- J
5 2.0 - - - - s FOR CONSTRUCTION ENTRANCE _ \ / > V ) n
1 ,1
O
\ \ \ 5z8 �, I PS /
` j-� '', TEMPORARY i8" CMP PIPE
\ s?F r(26 LF Qa 2.00%, II=51o.16, /• J = a
\ IP
v 1 v v - I0=5og.64) v
\ 5z6 ----------------- z.z� -- AREA TO SEDIMENTTR P=1.79ACRES / ': �
I I'
I Q �
V v _ 11 \ AT THE TIME OF TEMPORARY SEDIMENT �� t - _ I I� z g
IP k'� F
\ \ �,� P I, TRAP'S REMOVAL, THE CONTRACTOR - X X X VE THE TEMPORARY PIPE/ U T w
SF - -C6 & CONNECOMPCSHALL TION
INTO
PERMANENT
ST U THE E / \ '
v: Uj
PROPOSED FENCE \ / CONNECTION NTO PERMANENT STRUCTURE - X
�w/ WIR Sz4 / TS AROUND SEDIMENT V v v - / IP' X IP V o
- -
SUPPORT� IP IP DRAINAGE DIVIDE (T P.) TRAP A A\ T5 = STRUCTURE.. X - W Q o'
\ \ -_ -
\x \\ \
---------------
53.. -... �/ o
5zz .; ;' o / _ I IP (n I..L
l lJl
z8 / y-- - XX X z
O
.Sz - -
O
\ _ ,-, - Z
v - --- / -x 5� o- - �)P - - , ramv v �------ a Q z
\ o \ - x MPORARY 18"CMP PIPE - �� ♦\ / , U z N
\ IP �! x x . (35 LF Qa 8.00D/o, II-5o4.16, ---- PLEASE NOTE: SILT FENCE AND SAFETY FENCE TO - _ \\ \ / z
- --- ---- - - -_-- -- _ ,- SIDEWALK �� �� ,� _----
) INSTALLED \ \� � 0 o
E RETAINING \ /
THE /
yO a AT THE TIME OF TEMPORARY SEDIMENT 5-\LL-- W ` / \ /
TRAP'S REMOVAL, THE CONTRACTORS • - - - ' - A��-� A O
AINING �
i
--/ ,
iz'x7o' MIN. CE IP - - _ Xx-x--x- j i _
• -\ � SHALL REMOVE THE TEMPORARY BARREL �► � / � X � �/ a
_ - - - _ - T „ CONNECTION INTO PERMANENT STIR. z /_ i X T o
IP sz i= IP - 8 & COMPLETE THE INSTALLATION OF STIR z. i \\ \ \\ r I J n
WASH RACK 8 - �A Q >
y LJJ . y
R/W DIVERSION AND `� ----- NE x
DIVERSION DIKE �_._ x-X=x-X ------ R DR
TO SMALL SEDIMENT BERKMA 403 O w
STATE ROUTE 1
TRAPPING DEVICE WIDTH R/W
FOR CONSTRUCTION - VARIABLE W
1
� ENTRANCE
r r AT THE TIME OF TEMPORARY SEDIMENT
TRAP'S REMOVAL, THE CONTRACTOR_ ������- - - �v\ �V A �\ 1 / �\ �A /� \�VI A U w
SHALL REMOVE THE TEMPORARY PIPE _---------------- Lu
a
�z / =- ----- ---- - - ----- �-------V A \ V A A / / 1 p i a
CONNECTION INTO PERMANENT STRUCTURE / _ - - - - - - - - - _ - - - - - - - - - - - - _ \ \ \ \ ` \ \ \ 1 \ / ✓ / a \ 1 a o
&COMPLETE THE INSTALLATION OF THE - Ip - - - - - _ _ - - - - - - -
--���--------------------- ------ - \ �X� \ \\ \ ` \ \ \ \ \ \ \ I I \ .� \ \ I JOB NO.
STRUCTURE. CONTRACTOR SHALL PLUG _ - - _ _ _ _ I'�X \ \ \ 0
/ HOLE IN EXISTING CURB INLET WATERTIGHT. - - �- 3 - - - - _ _ _ - \ \ \ \ \ 202196
TEMPORARY 15" CMP PIPE �� � /� - ---------- --- � �J� � \\ �� /) � �/ ��/ /� /��///�///l � /l /l � � � vv � SCALE
- - - - TO EXISTING CURB INLET, / = O� 0
(zg.15 LF Qa 4.67/0, II=511.36, / M / / / /� / / / / / / \ A II / \ v v A SHEET No.
/
7
I I 0.16 ac.
I
\
I � I
r � / %-
�` _ -
�
10 0
I
~ � •. O 80� / ley,°O _yl-. y)/ J Vl tq `O / ' J /
I I IhI
_ I Se I 1 =
SUBA�€A.ITOEXISTING --� - � � � � � � / / � � I II (� I / � SUBA�€A.ITOEXISTING -�--- I 1O �
CULVERT III / CULVERT 1.z1-AC
CN=6 ♦ I &o CN-6
7 W V H rv/ 0 4/ r;`a I
ti N / / / ''o' 1 I TC=12.6 MM
/Tc=1z.6 MIN v ♦\ II �I
/ Tc=o.zihrs. v A A v « I / / / /`' / / / I� A �; sum I l��x I I I �� /
r 1 ■
54'OFDLF w/A ELEV.-i .V \ II1T1111I C \ �11 540FLFw/ELEV. =
6 o'OF CONUF OWW/A 6 o'OFCONUF OWW/A _
Post -Development Impervious Area Summar
ELEv.=ig' ELEV.=ig'v 11 y
f�
n Post -Development Impervious Area Summary Subarea H, Water Quantity 0
Subarea A, Water Quantity Building 0 sf
Alb• I I: / %/ I / / / / \ \ \ 11 e ' N \ �• Building 59,380 sf ParkingAreas/Roads 2,805 sf L\ `c
Pre -Development Impervious Area Summary �( / / / / \ \v A\ \� �, v I Parking Areas/Roads 10,890 sf Sidewalks &Concrete 560 sf
Subarea A, Water Quantity Sidewalks & Concrete 61,100 sf 3,365 sf
Building/Structure 0 sf Pre -Development Impervious Area Summary Pre -Development Impervious Area Summary Post -Development Impervious Area Summary 131,370 sf
Subarea LOD,WaterQuality Subarea) WaterQuantit
Sidewalks/Concrete 1,700 sf y LOD, Water Quality y Subarea D, Water Quantity
Roads/Driveways 5,500 sf Building/Structure 0 sf Building 59,380 sf Building/Structure 0 ISSSIfff
Building 0 sf
Building/Structure 0 sf g
Sidewalks & Concrete 12,090 sf Sidewalks Concrete 7,200 sf Sidewalks/Concrete 1,100 sf Sidewalks/Concrete 0 sf /Parking Areas/Roads 300 sf
Subarea B, WaterQuantit Roads/Driveways 0 sf ParkingAreas/Road 64,100 sf Roads/Driveways 9,100 Sidewalks &Concrete 910 sf
Y Roads/Driveways 9,800 sf
Building/Structure 0 sf 1,100 sf 9,800 sf 135,570 sf 9,100 sf 1,210 sf
Sidewalks/Concrete 0 sf Subarea E, Water Quantity CHANNEL& FLOOD PROTECTION SUMMARY
Roads/Driveways 2,360 sf Building/Structure 0 Iff
2,360 sf Sidewalks/Concrete 0 GRAPHIC SCALE
Subarea G, Water Quantity Roads/Driveways 1,000 Pre-Dev. Post-Dev. Method of 9VAC25-870 66 Method of 9VAC25-870 66 Method of 9VAC25-870-66
Building Os 1,000 sf 50 0 25 50 100 zoo Subarea Subarea Channel Protection Compliance Limits of Analysis for Channel Protection Flood Protection Compliance
ParkingAreas/Roads 3,420sf
Sidewalks &Concrete 0 sf
IN FEET
3,420 sf ( )
1 inch 50 ft.
is \ _
PRE -DEVELOPMENT SWM PLAN: / /// // // \I\ _ \ \ \ j 3=z\I y y \ \\\\� I_ \ POST-DEVELOPMENT SWM PLAN:
x�a ram/ \\\ \ o - \�,xg'Y( \\\ \ o -
4a - \% u 48
= o<\ m % SCALE i o
>5 ,1 SCALE 1 -So
/ / // / / \ \11 \\ \ \ \ \ \ \o \ 9°i\�p
THE BOUNDARY FOR/HE \ \ \ \ \\ \ \ \ \ s \ 4 49` l/ j THE BOUNDARY fOR/fHE \ \ \ \ \ \ \ \ y9g` 496 4gw ���� f l✓ SUBAREA F
/ n \ \ V A s°o eaV9s // /� I l v I \ \ \ \ so s°o v /
PROPOSED LIMITS OF \ \ \ \ � \ \\ `o€�\ � � � PROPOSED LIMITS OF \ \ \ � \ \\ `0€2 �
DISTURBANCE 5.13 aC. -IS - 1 \ \ \ \ s° \ r� CN8 61
( ) \ \ \ I =o DISTURBANCE 5.13 ac. -IS 1 \ \ \ s \ s° I �� -
\ so s8 \ X N \ \ \ \ rho sO8 g9 X y� LIMITS F
USED TO DEFINE THE \ \ \ � � USED TO DEFINE NE THE \ \ °6 � / I d=
\ \ sae \ \ \ ANALYSIS FOR
BOUNDARY FOR THE VRRM \ s \ ii T ` =F BOUNDARY FOR THE VRR_ M _
WATER QUALITY \s \sue \ \ \ a�F I \ ss SUBAREA F ALONG
Q \ \I \ o WATER QUALITY \ U I '� '�,
16 - ( \ \\ \ a�zDOWNSINAGE EDGE
CALCULATIONS, TYP. \ / I ;,/ \ \\ F - -,-. - CALCULATIONS TYP. \ = of DRAINAGE AREA
(SHEETFLOW DO EAM OF \\ \ / F- - - _ \\\ s° z
LIMITS OF ANALYSIS m
II\ f" II
/ 0.45 ac. �' 1 \\ \\\\ \ \1111 ` / / / / h 4 =% \ 11
�sQ _58
Sara ,
522
/ eq
Tc=0.13 hrs. \ �\ / / / \ A 11 � ° i 6`z z= \\ � \ �T\ \ I\ \ i
5o'0FOLFw/QELEV.=3 `/ 1 \1,\\\ /z/ \
/ \ 29o'OFCONC. FLOWW/DELEV.=55'
/ / Iw 1 \ / / / - _ _ ,- ,NN / ► \ III
woo
on
IO
1
° \/\\ ` \\ \ \ \` \ SUBAREA _ — / / / 0 V \\\
_ — \
EETFL$W TO DOWNSTREAMn's
auEv � „
SESMiI - ----- 1 \
INLET OUTSIDE LOD) -� / ces c
_ \ SUBAREA ; 0.98 ac. / o_ 131 PRIVA 1$ i ° `err
_ \ ' 0 3—�39 6c, / ` \1. 1\ _ - - - - - / - / _q 1 111 SUBAREAE
I -
N 59
\ \ \ \ \ / / axe 1� �5 1 CN=61
6z�
AN \
\ V
I A V AVA� A c� -_
--� u LIMITS OF
_ --- � ANALYSIS FOR
- - - _-- " 1 SUBAREA E ALONG
SUBAREA G \ \\ \. / \ \\ \ \ \ \\ \ \.` \\ ,_ J / — — — / / -- - m - -. -- � \ 1 \. \ DOWNSTREAM EDGE -
\ I
(DRAINAGE RE 4-TO m o I'I \ \ \ \ \ \ \ \\ / i \ OF DRAINAGE AREA
DOWNSTREAM ROAD DITCH o o 'I, / \ \ \ \ \ \ \ \ - / ° �'so \-------
Z� _
z;
/ LIMITS OF
- s ter= 1 1 �- ANALYSIS FOR
/� 4 / \ \ \ \ i LIMITS OF /� as ti m�< _ {30 ss m\ t\�
0.16 ac.v\ V AV A� V A A\ \v u ANALYSIS FOR a e
TC-0.10 hrs. A DEVELOPMENT / 20 - ���� \OVA �SUBAR Aq,
/ CN=80 \
X \
11 � � � � THIS
� ® � ', PORTION OF SHEETErFLOW 1�\ s3a --V- ssz 1 I
I{ / � Tc o io hrs.— _ �� '
0*10 2NC.F0LF w/�ELE-=0-5' / / 1 I - IS INCLUDED IN _ 1 { LIMITS OF
I\ I ' � z5 .FOLFw/4 ELEV.0.5' 1 1 {\/\ \ �_ I •' I I, 1\/` r-�'.
- �' _ � I SUBAREA E DRAINAGE " � �/ ANALYSIS FOR
o I I AREA ..� �- °oa'OF OLFw/G ELEV. o. - — 3 "
_ _ e - / SUBAREAS H & D
5 — Tc-o.io hrs.
s —
oe �S� 4 ac. B y 1'y I / v V A _ 888 CHANNEL FLOW � PIPES /A EBLEVftz� 40 5 -
a —
161 OF
LOW
\ / �V, I / T VA \ —_— Qa 35 _, ..
a CN=64 \�. / /� \ vv v����--� a 5 BAR AA12-
rF I i \ \ No I I' 21 _
Y"
Kati x Tc-0.10 hrs. \ \ v ----- x / v -
aza i \ I � \w a 2 I � ,\PLEASE`SEESHEETS _—
a V A \ CN=86
\ \ V EXz: ',.I is' ca EX2� / �/ 12 & 1$ FOR
® Tc=0.10 hrs. r DRAINAGE AREAS TO
i� A v� ��/^v w _ �I —
mo-\.. ` fi,_i I �` — mc�-• sue. 1 \ INLETS ALONG
— — V o BERKMAR DRIVE
� � 1 II
\ X \ I I I III \ _ —
II
° 3
r — �IIII
_ftwft moo
s
w- -- -- -
vv SUBAREAD �A Aga �I V� II s >
OUTSIDE LOD I \ E9 - -%p
- 3,%
(SHEETFLOW TO DOWNSTREAM 3 / JI-----------
INLET w 3 \
1 I
v\ v Imo_ \° OJ III v v 0.6 aC. )'I I z< v Av A x o = �� ��a R ,
\ \\ \ \\ \ I \ CNJ60 ? m~J - - - w
r
J
3a
4 SUBAREA D
I
1 ---- i; 0.26 ac.
1 v
I < s I
CN=65
--------------
21,
--
_��
v
_ I I I _\ o$_ I � �� / / Syh I I I \ � ✓ I I - - - a
SUBAREA A
a '
/
— 5
C04 V / � � I I 11 _ 9 �� I / �� / - -
62
_
Tc 0.10 hrs. --
I -
/
SUBJECT
1- a^c I z.aw
SUBJECT-
° °
",N
io
PROPERTY, i y X II EX3 PROPERTY,
•, \ z'OFO FwAELEV o.5o' t r-
_ d1
TYP.�Tc=o5 s
_494' ELEV.=32' s2F az szo a� \ I T �P. _ o
r EX o 11 I
` c OF GONG. FL w/fl / : q
\ / I I / / - v IQI
SUBAREA H
a
A.� . i 1 I _ -- ; o _
l? F Z
o
m
I\
PROPOSED STORMWATER MANAGEMENT NARRATIVE FOR THE PROJECT:
�H OF
OVERVIEW:
THE PROPOSED STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB
REQUIREMENTS TO MITIGATE IMPACTS FROM THE PROPOSED IMPROVEMENTS.
SUMMARIES OF THIS COMPLIANCE CAN BE VIEWED IN THIS VSMP SET AND IN THE
�� C�I
ACCOMPANYING STORMWATER MANAGEMENT CALCULATIONS PACKET.
SC( R. j,j,INS'Z,
O
STORMWATER QUANTITY:
U No. 35791 ,'n
CURRENTLY ALL OFTHE EXISTING IMPERVIOUS AND PERVIOUS AREAS WITHIN THE
PROJECT LIMITS EXITTHE PROPERTY UNTREATED AND SOME AREAS EXITTHE
2/08/22
PROPERTY UNCAPTURED. THE PROPOSED PLAN WILL CHANGE THIS AND WILL
marts
�`r'SIONAL
CAPTURETHE MAJORITY OF THE PROPOSED IMPROVEMENTS. THE CAPTUREAND
EGOS
DETENTION OF THE MAJORITY OFTHESE IMPROVEMENTS IS REPRESENTED BY
POST -DEVELOPMENT SUBAREA A, WHERE AN UNDERGROUND DETENTION SYSTEM
ATTENUATES THE RUNOFF. CHANNEL PROTECTION IS MET VIA 9VAC25-870-66
SECTION B.3.A. FLOOD PROTECTION IS MET VIA 9VAC25-870-66 SECTION C.2.B.
SUBAREAS D, E, F & H REPRESENT DRAINAGE AREAS THAT SHEETFLOW OFFSITE TO
EXISTING STORM SEWER INLETS ALONG BERKMAR DRIVE. THE VOLUMES FROM
THESE AREAS ARE ANALYZED TO MAKE SURE AN INCREASE IN VOLUME DOES NOT
IMPACT DOWNSTREAM AREAS VIA 9VAC25-870 66 SECTION D. SUBAREA HIS A
NEW ONSITE DRAINAGE AREA CREATED BY THE ENTRANCE TO THIS
DEVELOPMENT AND AS SUCH STORM SEWER COMPUTATIONS OF THE EXISTING
PIPE RUNS EX4 TO EXI ARE PROVIDED TO SHOW THAT THE 10 YEAR STORM IS
CONTAINED WITHIN THE EXISTING UNDERGROUND STORM SEWER SYSTEM. AS
SHOWN IN THE CALCULATIONS PACKET, AT STRUCTURE EX1, THE CUMULATIVE
VOLUME OF SHEETFLOW IN THE PROPOSED CONDITION IS LESS THAN THE
CUMULATIVE VOLUME OF SHEETFLOW IN THE EXISTING CONDITION, SO THE
ANALYSIS ENDS. PLEASE SEE SHEETS 12 & 13 FOR FULL DRAINAGE AREA
DELINEATION TO THESE INLETS.
IT SHOULD BE NOTED SUBAREA 3 IN THE EXISTING CONDITION IS RUNOFF
CAPTURED ALONG WOODBURN DRIVE AND ROUTED TO THE SITE VIA A 15" CMP
H
H
H
CULVERT. THE PROPOSED PLAN CAPTURES THIS DRAINAGE AND ROUTES IT
w
w
w
THROUGH THE SITE. AS THIS IS OFFSITE AND UNDISTURBED AREA, THE
Z
O
O
IMPROVEMENT FACTOR FOR CHANNEL PROTECTION DOES NOT APPLY TO THIS
OU
O
OU
AREA. THIS AREA IS ADDED TO BOTH THE EXISTING AND PROPOSED ONSITE
O
a
Ln
U
10-YEAR FLOWS FOR THE PURPOSES OF FLOOD PROTECTION. SEE SHEET 13 FOR
}}
FULL DRAINAGE AREA DELINEATION.
IM4IUn
Z
Z
F
Z
W0
0
0
PLEASE SEE THE ATTACHED STORMWATER MANAGEMENT CALCULATIONS PACKET
VJ
Z
U
U
U
FOR ADDITIONAL DETAILS PERTAINING TO THE STORMWATER QUANTITY
�.u�
�
COMPLIANCE.
^
L
~
z
(�A
!VA
(VA
7
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elf
W
of
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STORMWATER QUALITY:
.. ■
>
THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET
W
Q
Q
Q
THROUGH THE BEST MANAGEMENT PRACTICE OF PURCHASING NUTRIENT
CREDITS. A MINIMUM PHOSPHOROUS REMOVAL RATE OF 5.56 Ibs/yr IS
REQUIRED. THE DEVELOPER WILL PURCHASE NUTRIENT CREDITS PRIOR TO THE
ISSUANCE OF A LAND DISTURBANCE PERMIT.
PLEASE SEE THE ATTACHED CALCULATIONS PACKET AND THIS SHEET FOR
ADDITIONAL DETAILS.
General Construction notes for Stormwater Management Plans
i. 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.
z. Pipe and riserjoints 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 erosion control inspector.
Method of 9VAC25-870-66
Limits of Analysis for Flood Protection
A, B. C, G
I A
ISection B.3.a (Energy Balance)
I N/A (Energy Balance Satisified)
ISection C.2.b (10-yr. Post Flow < Pre Flow)
N/A (10-yr. Post Flow < Pre Flow Satisified)
D, E, F
I D, E, F
ISection D (Sheetflow)
N/A (No Increase in Volumes)
ISection D (Sheetflow)
N/A (No Increase in Volumes)
H
ISection D (Sheetflow)
N/A (Flow is captured in Concrete Pipe)
ISection D (Sheetflow)
jPipe Runs EX2to EX1(10yrcontained within Pipe)
W 174
N
r
(D
O O
r1
66k
ZM
® M
O')
N
M
WN
(3)
N
W N
Z LU
J
J
LUWF_F_
O
ZQ�
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WU
LU
H
■ ' E
H
Z LU
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V
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N
LPM
z
z
QJ'
LU
W
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z
2
11
11
2
LU
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z
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30B NO.
202196
SCALE
ill _5O1
SHEET NO.
8
FACILITY INSPECTIONS DURING CONSTRUCTION:
CONSTRUCTION INSPECTIONS ARE CRITICAL TO ENSURE THE UNDERGROUND DETENTION SYSTEM IS PROPERLY
BUILT. BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY THE CONTRACTOR, THE CONTRACTOR
SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER, COUNTY INSPECTOR AND CONTECH
REPRESENTATIVE PRIOR TO INSTALLATION. CONTECH, OR AN EQUIVALENT PIPE MANUFACTURER, SHALL BE
CONTACTED WELL AHEAD OF THE CONSTRUCTION START DATE TO ENSURE ADEQUATE LEAD TIME FOR
MATERIALS AND DELIVERY. MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE SCHEDULED BY THE
CONTRACTOR, WITH THE ENGINEER, COUNTY INSPECTOR & PIPE MANUFACTURER, DURING THE FOLLOWING
STAGES OF THE UNDERGROUND DETENTION SYSTEM CONSTRUCTION PROCESS:
1. PRE -CONSTRUCTION MEETING
z. INITIAL SITE PREPARATION (INCLUDING INSTALLATION OF PROJECT E&S CONTROLS)
3. EXCAVATION/GRADING (E.G., INTERIM/FINAL ELEVATIONS).
4. WHEN THE DETENTION PIPE SUBGRADE IS READY FOR PIPE CONSTRUCTION, BUT BEFORE STONE BEDDING IS
INSTALLED.
5. AFTER STONE BEDDING IS PLACED AND COMPACTED, BUT PRIOR TO PIPE INSTALLATION.
6. AT THE TIME OF THE PIPE INSTALLATION.
7. AFTER PIPE INSTALLATION, BUT PRIOR TO PLACING FILL OVER THE SYSTEM.
8. FINAL INSPECTION (DEVELOPA PUNCH LIST FOR FACILITY ACCEPTANCE)
PLEASE ALSO SEE BELOW, UNDER FACILITY MAINTENANCE, FOR REQUIRED INSPECTIONS AFTER INSTALLATION
IS COMPLETE.
FACILITY INSPECTIONS & MAINTENANCE AFTER CONSTRUCTION:
THE FOLLOWING MAINTENANCE TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR
FOLLOWING THE INSTALLATION OF THE UNDERGROUND DETENTION SYSTEM.
i. FOR THE FIRST YEAR FOLLOWING CONSTRUCTION, THE SITE SHALL BE INSPECTED BY THE CONTRACTOR
QUARTERLY AND AFTER STORM EVENTS THAT EXCEED 1/2 INCH OF RAINFALL.
2. THE CONTRACTOR SHALL LOOK FOR BARE OR ERODING AREAS IN THE CONTRIBUTING DRAINAGE AREA AND
AROUND THE UNDERGROUND DETENTION SYSTEM AND MAKE SURE THEY ARE IMMEDIATELY STABILIZED.
CONTRACTOR SHALL SPOT RESEED AS NECESSARY AND ENSURE ADEQUATE SITE COVERAGE IS PROVIDED
WITHIN THE FIRST YEAR. AT THE QUARTERLY INSPECTIONS, AND AFTER EACH RAINFALL EVENT IN EXCESS OF
i", THE CONTRACTOR SHALL PERFORM THE ANNUAL MAINTENANCE TASKS DESCRIBED BELOW IN #3.
AFTER THE FIRST YEAR THE OWNER SHALL PERFORM FOLLOW-UP INSPECTIONS ANNUALLY AND AFTER EACH
SIGNIFICANT RAINFALL EVENT:
3. A SPRING MAINTENANCE INSPECTION AND CLEANUP SHALL BE CONDUCTED ANNUALLY. THE MAINTENANCE
PROGRAM FOR THE UNDERGROUND DETENTION SYSTEM SHALL INCLUDE CLEANING IT ANNUALLY OF TRASH,
DEBRIS & SEDIMENT AND ENSURING THE INTEGRITY OF THE WEIR PLATE, TRASH RACK AND OUTFALL &
INFLOW PIPES. THE OWNER SHALL ENSURE THE SYSTEM IS OPERATING AS INTENDED AND IS NOT CLOGGED
OR DAMAGED. THE OWNER SHALL IMMEDIATELY CLEAN & REPAIR THE FACILITY AS NECESSARY AND SHALL
PAY SPECIAL ATTENTION TO THE INLET AND OUTLET LOCATIONS. THE ACCESS MANHOLES SHALL BE USED
FOR INSPECTION AND MAINTENANCE.
CONTR
VERI
C
540
UNDERGROUND DETENTION SYSTEM GENERAL NOTES:
1. TRASHRACKS SHALL BE INSTALLED ON ALL ORIFICES, INCLUDING THOSE LOCATED ALONG
THE WEIR PLATE WITHIN THE UNDERGROUND DETENTION SYSTEM, IN ACCORDANCE w/THE
DETAIL SHOWN ON ON THIS SHEET (OR EQUIVALENT).
2. DETENTION SYSTEM's WEIR PLATE TO BE PRE -MANUFACTURED AND DELIVERED TO THE
SITE. WEIR PLATE SHALL BE SECURELY AFFIXED TO THE INSIDE WALLS OF THE MANHOLE
STRUCTURE.
3. PRIVATE DESOTO COURT LOCATED WITHIN THE SWM EASEMENT, SHALL SERVE AS ACCESS
TO THE PROPOSED UNDERGROUND DETENTION SYSTEM.
4. CONTACT COLLINS ENGINEERING (434.293.3719) REGARDING ANY QUESTIONS CONCERNING
THE UNDERGROUND DETENTION SYSTEM.
5. ALL FILL EMBANKMENT MATERIAL SHALL CONSIST PREDOMINANTLY OF SOIL AND BE
PLACED IN SUCCESSIVE UNIFORM LAYERS NOT MORE THAN 8 INCHES IN THICKNESS BEFORE
COMPACTION OVER THE ENTIRE AREA IN ACCORDANCE WITH CURRENT VDOT ROAD AND
BRIDGE SPECIFICATIONS, OR THE FILL EMBANKMENT MATERIAL SHALL MEET THE PIPE
MANUFACTURER's SPECIFICATIONS OUTLINED BELOW (WHICHEVER IS MORE STRINGENT).
6. ALL FILL SHALL BE PLACED AT 95% COMPACTION AND TESTED BY A GEOTECHNICAL
ENGINEER TO ENSURE COMPACTION IS REACHED AND MAINTAINED, OR THE FILL SHALL
MEET THE PIPE MANUFACTURER's SPECIFICATIONS OUTLINED BELOW (WHICHEVER IS MORE
STRINGENT).
7. VDOT STD. IS-1 & ST-1 ARE REQUIRED ON ALL PROPOSED PUBLIC STRUCTURES AND THE
UNDERGROUND DETENTION SYSTEM's JUNCTIONS.
8. PRIOR TO CONSTRUCTION THE CONTRACTOR SHALL TEST -DIG AT THE EXISTING INLET &
OUTFALL TO CONFIRM THE INVERTS AND TO ENSURE THE PROPOSED GRADES CAN BE
ACHIEVED. CONTRACTOR SHALL CONTACT COLLINS ENGINEERING OF ANY DISCREPANCIES IN
THE HORIZONTAL OR VERTICAL ALIGNMENT PRIOR TO ORDERING AND CONSTRUCTION.
9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA
STANDARDS FOR CONSTRUCTION INDUSTRY (29 CFR PART 1926).
10.PENDING PRIOR APPROVAL BY COLLINS ENGINEERING, THE DRAINAGE PIPE MATERIALS MAY
BE SUBSTITUTED. ALL DRAINAGE PIPE INSTALLATION PRACTICES SHALL BE IN ACCORDANCE
WITH CURRENT VDOT STANDARDS AND REQUIREMENTS. CONTRACTOR SHALL ENSURE
MINIMUM COVER REQUIREMENTS ARE MET WITH ANY PIPE SUBSTITUTION.
540
0
Uj W
a°
535
o M r
535
00~, J�
O
j
V) H o� m?
PROPOSED
ACCESS
MH
= a
0 , N °,_j ¢
W/STAIRSFORINSPECTION
�� W
O> Ln Ln t'nF >. Ln
& MAINTENANCE
530 ID Ln
W 11 LLB
530
-°
-LnOooQ
,L„�zzz<z
-
-
O " mom-
PROPOSED GRADE (TYP. > m 0 }
z
Ln ° LU
525 V
525
FILL TO BE PLACED
AT
95%COMPACTION
(TYP.)
/
FILL TO BE PLACED
/95% COMPACTION
RESTRICTIVE WEIR PLATE
520
A
YAT LOW POINT TO DRAIN
THIS SHEET THE SYSTEM SEE DETAIL
STR:z VDOT STD. MH
EXISTING
GRADE
TP=5o5.36
/
(TYP.)
INV IN: 5oo.z9 TO 3
INV OUT: 5oo.ig TO 1
515
/
515
W5R5PEAK
bv8 1CL
S4 TO S3
c
/
/
PROPOSED 8"
IU
_ '
O
2
/
SAN ITRY SEWER
CROSSING
W5
RPEAK
=5-43��
z-YR PEAK
WSE=Szz.z7
= N w
510 ooZo --
/
510
Ln°g,�
1.- Lon W ^' m
OuU)'a
/
WEIR PLATE
0 O a
/
INVERT=5o6.5>a-p 0
..
2z 0
505 0z Z
505
HDPE
18" o
LF @ 1J9 /o
92.08
6Lolo 18" HDPE
Soo
/
�Oe�
18 F Ca 5 30.00 LF @ 2.63/0 Soo
/
6g5s� PROPOSED LOWER 35"
4CTOR TO
=Y INVERT
UNDERGROUND DETENTION
IF EX. PIPE
SYSTEM PRIMARY OUTFALL
PROPOSED lzo" HDPE UNDERGROUND DETENTION
495
SYSTEM Qa o.5o%TO ATTENUATE RUNOFF CAUSED 495
FROM THIS DEVELOPMENT.
18" HDPE
TOTAL HDPE LENGTH=367.00'
40.8o LF @B 9-39%
490
490
o
a
r
io
a
m
l0n
l0n
V1
vl
In
V1
Ln
10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50
--
UNITS
+--------+-----�----+----�-----+---
-�----
- +---------+----------+
�
6
AFFORDABLE UNITS & O
ET-R,A,TEUNIIF-
)
I V I
I Y----
I I''
----- ---
- T
V I
I
I
Trt
I
I
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I I
I _
-----I- T---
oVARK
,. 4.4i1
-'
ALL PIPE CONNECTIONS TO THE UGD
I
1 8 UNITS
_ -
r
--
SYSTEM SHALL BE WATER TIGHT
I
(18) MARKET RATE UNITS
I I I
PROPOSED AccEss MH w/ STAIRS FOR
�i
& MAINTENANCE, TYP.O
_`
PROPOSED ELEVATED 015" PIPE AL - _
- -
-
ACCESS H TINSPECTION
8E LOCATED UPSTREAM & V
_
�- - _ _ _
PRIVATE SIDEZIL
_ _
_ _ _ -
_ _ _ _ =
MORE SIGNIFICANT &LESS FREQU ENWS
DOWNSTREAM FROM RESTRICTIVE WEIR •
PLATE AND AT THE MIDPOINTS & HIGH
'�
-•
_. SERVE AS ACCESS TO SWM - .. _ ., - ..
;,
STORM EVENTS TO SAFELY BYPASS THE
_ • . .. _
UNDERGROUND DETENTION SYSTEM -7, -- •� -.-= '. �.;
-
POINTS OF THE SYSTEM, AS SHOWN.
..
•. _ FACILITY
_ •_
- ,- ,.:� _-'.�-
0120" V. -
50T
105 L
@ 0.5%
1@ 0A
012
/
I
06INV.
.63
----------
-�
4120" INV.
0120" INV.
\I -
101 LF
\
'
J 507.09'
@ 0.5%
506.5T J �°
-- ---
5 ---- --
Lr'
-----
I:
ro
i ---- --
_ __- --
0120" INV.
5 50'
-
PROPOSED LOWER 0181. i
/ 7 51
4
UNDERGROUND DETENTION 5
�
�
--- - - - - _ SYSTEM PRIMARY OUTFALL
_RESTRICTIVE STEEL WEIR PLATE, AT -
_ LOW POINT, TO DRAIN THE SYSTEM. - - 5"
CONTRACTOR SHALL CALL THE COUNTY INSPECTOR & �� SEE DETAIL ON THIS SHEET. ----
ENGINEERING DEPARTMENT 24-HOURS BEFORE ANY 5 ,
ANTICIPATED CONSTRUCTION ACTIVITIES FOR THE
_ BMPs. THIS IS INCLUSIVE OF WHEN THE - - ` 6
UNDERGROUND DETENTION SYSTEM SUBGRADE IS - - - - - - - - - - - -
READY FOR PIPE CONSTRUCTION, BUT BEFORE STONE
BEDDING IS INSTALLED.
-- - / BERKNIAR DRIVE
UNDERGROUND DETENTION DETAIL: SCALE 7"=zo' STATE ROUTE 1403
- - - ..1-r u Q AA/
DRAINAGE DESCRIPTIONS
STIR.
PIPE INFORMATION
INLET INFORMATION
NO.
DIA.
(in.)
LENGTH
(ft.)
SLOPE
(%)
INVERT
IN
INVERT
OUT
MATERIAL
INLETTYPE
Curb
Type
SLOT
LENGTH
RIM
ELEVATION
COMMENTS
UGD
18
35.00
2.20%
506.48
505.71
HDPE
4
MH-1
528.32
VDOTSTD. IS-1 & SL-1
REQ'D
18
92.08
1.79%
505.61
503.96
HDPE
3
MH-1
523.91
VDOT STD. SL-1 REQ'D
18
63.54
5.62%
503.86
500.29
HDPE
2
MH-1
505.36
18
40.80
9.39%
500.19
496.36
HDPE
1
MH-1
500.01
18
103.41
10.03%
496.11
485.74
RCP
EX
PROFILE SCALES
1"=5' (VERTICAL)
i =50 (HORIZONTAL)
o
LU
LU
AT
o Do
O
;TYP.)
v~ o m
Co CO
535
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535
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of 11
inrzzin
ROPOSED GRADE (TYP.)
530
530
EXISTING GRADE (TYP.)
FILL TO BE
PLACED AT
95% COMPACTION (TYP.)
525
525
PROPOSED ELEVATED i5" PIPE
ALLOWS MORE SIGNIFICANT & LESS
STR:4 VDOT STD. MH
REQUENT STORM EVENTS TO
TP=525.07
SAFELY BYPASS THE UNDERGROUND
INV IN: 505.71T0
DETENTION SYSTEM
INV IN: 512.5o TO 5
520
520
INV :505. 61 TO 3
SAFETY SLAB SL-i REQUIRED
BYPASS INVERT=Si
1 INLET SHAPING IS - REQUIRED
I.00
53-5
53-5
15" HDPE
510 34.87 LF @5.2z% 510
PROPOSED 12o" HDPE UNDERGROUND DETENTION
15" HDPE SYSTEM @a 0.5o%TO ATTENUATE RUNOFF CAUSED
9.72 LF Qa 6.00% FROM THIS DEVELOPMENT.
TOTAL HDPE LENGTH=367.00'
505 505
N
N
10+00 10+50 11+00
NOTE: PROPOSED STORM SEWER SHOWN IS HDPE, A
VDOT APPROVED MATERIAL ALTERNATIVE TO CLASS
III RCP. THE CONTRACTOR MAY SELECT A VDOT
APPROVED MATERIAL IN LIEU OF THE HDPE FROM
THEIR APPROVED LIST PROVIDED ALL PIPE, PIPE
BEDDING, BACKFILL AND INSTALLATIONS ARE IN
ACCORDANCE WITH THE CURRENT VDOT STANDARDS.
ANY PIPE MATERIAL PROPOSED AS CL. IV RCP SHALL
NOT BE SUBSTITUTED WITH ANOTHER PIPE MATERIAL.
NOTE: ALL DRAINAGE STRUCTURES WITH A DEPTH
OF lz' OR GREATER SHALL HAVE SAFETY SLABS IN
ACCORDANCE WITH STANDARD SL-1 AS FOUND IN
THE 2oo8 ROAD AND BRIDGE STANDARDS.
NOTE: ALL DRAINAGE STRUCTURES WITH A DEPTH
OF 4' OR GREATER SHALL HAVE STEPS IN
ACCORDANCE WITH STANDARD ST-lAS FOUND IN
THE 2oo8 ROAD AND BRIDGE STANDARDS.
NOTES:
1. ALL FILL TO BE PLACED AT 95% COMPACTION.
z. MINIMUM 3.5' OF COVER MUST BE MAINTAINED OVER W/L.
3. MINIMUM OF 1' OF VERTICAL SEPARATION FROM STORM
SEWER & W/L AND 1.5' OF SEPARATION BETWEEN W/L &
SANITARY SEWER MUST BE PROVIDED.
NOTE: CLASS I BACKFILL MATERIAL SHALL BE CRUSHER RUN AGGREGATE
SIZE NO. 25 OR 2.6, AGGREGATE BASE MATERIAL SIZE 21A OR 21B, FLOWABLE
FILL, OR CRUSHED GLASS CONFORMING TO THE SIZE REQUIREMENTS FOR
CRUSHER RUN AGGREGATE SIZE 25 AND 26, PER VDOT ROAD AND BRIDGE
SPECIFICATIONS, SECTION 302.03G.
NOTE:
WEIR PLATE TO BE BOLTED &
SEALED TO DETENTION SYSTEM
WITH WATERTIGHT CONNECTIONS.
MANUFACTURE / INSTALL ONE (i) OVERFLOW WEIR
(EQUIVALENT DIAMETER=16.41") ACROSS THE STEEL PLATE
(INVERT ELEVATION Si&oo')
0120" WEIR PLATE DETAIL
SCALE:1"=5'
MANUFACTURE / INSTALL ONE (i) 09'Xi6" MID -FLOW
ORIFICE IN THE STEEL PLATE (INVERT ELEVATION 511.5o')
INSTALL TRASH RACKS ON ALL-Z
ORIFICES, TYP. SEE THIS SHEET
FOR DETAIL, OR EQUIVALENT.
MANUFACTURE / INSTALL ONE (1) 04.5" LOW-FLON�-
ORIFICE IN THE STEEL PLATE AT THE LOW POINT OF THE
DETENTION SYSTEM (INVERT ELEVATION=5o6.5o')
ELEV.=516.5o'
(TOP OF PIPE)
NFUR(�EU 121
STEEL PLATE
ELEV.=5o6.5o'
(BOTTOM OF PI
COUNTY OF ALBEMARLE
Department of Community Development
DfgpplP
Construction Record Drawings (As -built) for VSMP
The following is a list of information required on construction record drawings for
stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the
construction record drawing be prepared by someone other than the designer. Please do not
provide design drawings as construction record drawings.
A. A signed and dated professional seal of the preparing engineer or surveyor.
B. The name and address of the firm and individual preparing the drawings on the title sheet.
C. The constructed location of all items associated with each facility, and the inspection records to verify
proper dimensions, materials and installation. The items include, but are not limited to the following:
1. Inspection Records and photographs for pipe trenches and bedding, including underdrains.
2. Video Pipe Inspection for any pipes which are not accessible or viewable.
3. Updated Location with geo-coordinates of all facilities.
4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities.
5. Current physical and topographic survey for all earthen structures. Ponds should include a survey
of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required
for alterations from the design.
6. Plants, location and type.
7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the
installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s),
inlet and outlet protection, alignment and invert elevations compared to design.
8. Computations: For significant deviations from design, provide sealed computations verifying that
the as -built condition is equivalent or better than design.
9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical
sections and linings.
10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage
must be within platted easements. Provide copies of recorded documents.
11. Guardrail, fences or other safety provisions - Display the constructed location of all safety
provisions; fences, guardrail, including the type, length and applied end treatments, compared to
design.
12. Material layers - biofilter media, stone layers, sand layers, keyways and cores must be verified as to
material types and depths. Include inspection reports, boring or test pit reports and materials
certifications. Biofilter media must be an approved state mix.
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable.
14. Compaction reports are required to verify fill compaction in dams.
15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning.
SCOTT/R. CbLLINS'Z
No. 35791 11,
2/08/22 ,�J
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JOB NO.
202196
SCALE
AS SHOWN
EMERGENCY BYPASS PROFILE
0
High Performance (Bell & Spigot) Joints
IWon
MEEL 3EINFOWED BELL
WROYNIX aa.L
5
a aBaor BrffLBBlxFwcBOBAapt
SPIGOTDEFAIL
BELL DETAIL
STANDARD DUROMM
BELL (TYPICAL 11' WIDE)'
HAND DUG BELL
HOLE WI SMALL
TROUGNINFRONT
OF BELL
A "bell hole" needs to be dug under the bell end of the pipe to occommodate
the diameter difference.
NOTE: ALL JOINTS TO BE
WATERTIGHT
A best practice for bell and spigot joints is to loy o steel plate under the bell
to help "home" the next pipe.
20 MIL PE
IMPERMEABLE
LINER OVER
TOP OF PIPE
LIMITS OF
(IF REQUIRED)
REQUIRED
_
_
BACKFILL
120' TYP.
38' TYP.
36" SEE TYPICAL
BACKFILL DETAIL
NOTES
TYPICAL SECTION VIEW
NOTE: IF SALTING AGENTS FOR SNOW AND ICE REMOVAL ARE USED ON OR NEAR THE
PROJECT, A GEOMEMBRANE BARRIER IS RECOMMENDED WITH THE SYSTEM. THE
GEOMEMBRANE LINER IS INTENDED TO HELP PROTECT THE SYSTEM FROM THE
POTENTIAL ADVERSE EFFECTS THAT MAY RESULT FROM A CHANGE IN THE
SURROUNDING ENVIRONMENT OVER A PERIOD OF TIME. PLEASE REFER TO THE
CORRUGATED METAL PIPE DETENTION DESIGN GUIDE FOR ADDITIONAL INFORMATION.
Standard Back -fill Detail - Specification & Standard Drawing
Pipe
vlvert
,e"
DEBRIS CAGE
Ieometrie
r.I CV it Ll uu
I /2- zinc plelatl M1aok
Btlaehed with 3/8' fattener
1,4' KDPC p:ala (optional)
_ HBPF n1ruclnm.I pInAk. nilh
8-118- hales and I/"' plate
"ctar"d by ?Inxi,c
BoluLl"ne rne. o equal
"na•" run opuac"i plele
HDPE .A-1 rLnrnl pin"Ilr with
"/8" holes and 1/4- plate
:uraelured by plamlla
di"n• lar ar cgyal
PLASTIC Pa. Rnw e38v
SOLUTIONS r;nElm,, r+ 2104
INC. e77-877-5727
rer.plesie-tdu•.t<.eom
UNDERGROUND DETENTION SYSTEM MINIMUM TRENCH & BACKFILL REQUIREMENTS
1. THE TRENCH CONTAINING THE TRIPLE RUN OF 120" HDPE STORM PIPE SHALL HAVE
A 474" WIDE TRENCH. THE TRENCHES CONTAINING THE 15" BYPASS HDPE PIPE AND
THE 15" OUTFALL PIPE SHALL HAVE 36" WIDE TRENCHES. CONTRACTOR SHALL WRAP THE
EXCAVATED TRENCHES WITH A 6 OUNCE FILTER FABRIC CLOTH. A SUITABLE FOUNDATION
SHALL BE BENEATH THE TRENCHES' FILTER FABRIC CLOTHS.
2. TRENCHES TO INCLUDE A 6" #57 STONE BED AT 95% COMPACTION BENEATH THE HP
STORM PIPES.
3. TRENCHES SHALL BE BACKFILLED WITH #57 STONE AT 95% COMPACTION AND SHALL
EXTEND A MINIMUM OF 6" VERTICALLY ABOVE THE CROWN OF THE STORM PIPES.
4. THE TOP OF THE #57 STONE SHALL BE COVERED WITH A 6 OUNCE FILTER FABRIC CLOTH,
OVERLAPPING THE PREVIOUSLY INSTALLED CLOTH THAT SURROUNDS THE BOTTOM AND
SIDES OF THE TRENCHES.
5. SUITABLE FILL REACHING THE FINISHED GRADES SHALL BE APPLIED ABOVE THE TOP
LAYER'S FILTER CLOTH, MEETING MINIMUM PIPE MANUFACTURER'S REQUIREMENTS TO
PREVENT FLOATATION AND ENSURE PIPE INTEGRITY IS MAINTAINED.
6. A MINIMUM COVER OF 12" IS REQUIRED ABOVE THE CROWN OF THE STORM PIPES.
7. SEE THE'TYPICAL BACKFILL DETAIL' ON THIS SHEET FOR ADDITIONAL UNDERGROUND
DETENTION SYSTEM PIPE REQUIREMENTS.
DIAMETER
MAX
COVER*
75% MAX
COVER"*
30"-42"
50'-0"
37'1
48'1
30'1
22'-6"
120"
25'1
-
"FOR INITIAL BACKFILL USE ASTM D2321,
CLASS I, II MATERIAL.
-REDUCED MAX. COVER WHEN USING ASTM
D2321 CLASS III MATERIAL IN
TRENCHIHAUNCH ZONE OR FOR FIRST
BACKFILL.
O MINIMUM TRENCH WIDTH MUST ALLOW ROOM FOR PROPER COMPACTION OF HAUNCH MATERIALS UNDER PIPE. MIN. WIDTH = (1.25 x
DIAMETER) + 12' (FOLLOW ASTM D2321)
O FOUNDATION SHALL BE WELL CONSOLIDATED 8 STABLE.
O BEDDING MATERIAL SHALL BE A RELATIVELY LOOSE MATERIAL THAT IS ROUGHLY SHAPED TO FIT THE BOTTOM OF THE PIPE, 4" TO 6" IN
DEPTH.
O DUROMAXX STEEL REINFORCED (SRPE) PIPE.
O INITIAL BACKFILL FOR PIPE EMBEDMENT MATERIAL TO MEET ASTM D2321 CLASS I, II, III ORAPPROVED EQUAL, COMPACTED TO 90%
STANDARD PROCTOR (NATIVE MATERIAL CAN BE UTILIZED THAT MEETS ASTM D2321 OR APPROVED EQUAL).
• ALL LIFTS PLACED IN CONTROLLED MANNER. TO PREVENT UNEVEN LOADING, IT IS RECOMMENDED THAT LIFTS NOT EXCEED 8-
UNCOMPACTED LIFT HEIGHTS.
IS HAUNCH ZONE MATERIAL SHALL BE HAND SHOVELED OR SHOVEL SLICED INTO PLACE TO ALLOW FOR PROPER COMPACTION.
O MINIMUM HEIGHT OF COMPACTED COVER PER DIAMETER FOR CONVENTIONAL HIGHWAY LOADS (DISTANCE MEASURED FROM TOP OF
PIPE TO BOTTOM OF FLEXIBLE PAVEMENT OR TOP OF RIGID PAVEMENT):
12' MINIMUM FOR PIPE DIAMETERS 30'- 60'
18' MINIMUM FOR PIPE DIAMETER66"-72"
24" MINIMUM FOR PIPE DIAMETERS 84" - 96"
36' MINIMUM FOR PIPE DIAMETER 120'
® INITIAL BACKFILL ABOVE PIPE MAY BE REDUCED AS NOT TO ENCROACH UPON ROAD BASE, OTHERWISE:
6' MINIMUM FOR PIPE DIAMETERS 30'- 60'
12' MINIMUM FOR PIPE DIAMETERS fib' - 96'
18" MINIMUM FOR PIPE DIAMETER 120'
OFINAL BACKFILL MATERIAL SELECTION AND COMPACTION REQUIREMENTS PER THE PROJECT PLANS, SPECIFICATIONS. ENGINEER OF
RECORD.
NOTES:
• GEOTEXTILE SHALL BE USED AS REQUIRED TO PREVENT SOIL MIGRATION.
• FOR MULTIPLE BARREL INSTALLATION THE RECOMMENDED STANDARD SPACING BETWEEN PARALLEL PIPE RUNS SHALL BE = PIPE
DIA.I2 OR 3' FOR PIPE DIAMETERS 72' AND LARGER. CONTACT YOUR CONTECH REPRESENTATIVE FOR NONSTANDARD SPACING.
• BACKFILL REQUIREMENTS SHALL FOLLOW ASTM D2321. IN THE EVENT OF DISCREPANCIES, ASTM D2321 SHALL SUPERCEDE THIS
DETAIL.
PLAN
FRONT
48'0 to 90'O FITTING REINFORCEMENT
MAYBE REQUIRED BASED ON HEIGHTOF
COVER AND LIVE LOAD CON DrfICN
TYPICAL MANWAY DETAIL
NOT TO SCALE
36"O MAX., ACCESS CASTING REINFORCING TABLE CUN
h'BE PROVIDEDAND INSTALLED BY "'BEARING TEMPORARYCOVERFOR HDPE CONTRACTOR. MAYBE TOP MOUNTED 0HDPELLINSCONSTRUCTION LOADS PROTECTION (AS SHOWN) OR RECESSE w RISER A B REINFORCING PRESSURE RIM/FINISHED o L(PSF) 91 ,'nFINISHED SLAB --
HEIGHTOF - GRADE GRADE _- = LVARIES - 24 4'0 26" #5@10"OCEW 2,540 COVER T J a ,4'1 #5 @ 10"OCEW 1,900 -3- a- H �=`= ° a 4'1 #5 @ 10" OCEW 2,260
30" 4'_6" x 4'_6" 32" #5 @ 9" OCEW 1,670
GASKET MATERIAL !'bHDPERISER"- ¢ 3fi" 5x6' 38 #5@8"OCEW 1,500
- SUFFICIENT TO PREVENT ar.
CONSTRUCTION LOADS SLAB FROM BEARING ON 0 4L" Ti 44„ #5 @ 8" OCEW 1,490
RISER TO BE PROVIDED BY _ 5'1 x 5'-6" #5 @ 8" OCEW 1,370
FOR TEMPORARY CONSTRUCTION VEHICLE LOADS, AN EXTRAAMOUNT OF COMPACTED COVER MAY BE REQUIRED OVER CONTRACTOR. 01311"TYP. 810 #5 @ 7" OCEW 1,210
THE TOP OF TH E PIPE. THE HEIGHT -OF -COVER SHALL MEET THE MINIMUM REQUIREMENTS SHOWN IN THE TABLE BELOW. SECTION VIEW 48 6'xe' 50 #5@7"OCEW 1,270
THE USE OF HEAVY CONSTRUCTION EQUIPMENT NECESSITATES GREATER PROTECTION FOR THE PIPE THAN FINISHED
GRADE COVER MINIMUMS FOR NORMAL H IGHWAY TRAFF IC.
Minimum Height of Cover Requirements for Construction Loads.
The Minimum Cover should be a COMPACTED Height of Cover
Requirement.
Diameter/Span
(in)
Aide Load (laps)
>32s50
1 50s75
155100
110s150
30-42
2.0 ft
2.5 ft
3.0 ft
3.0 ft
48-72
3.0 ft
3.0 ft
3.5 It
4.0 ft
84-96
3.0 ft
3.5 ft
4.0 ft
4.5 ft
108-120
3.5ft
4.0ft
4.5It
5.0ft
*MINIMUM COVER MAYVARY, DEPENDING ON LOCAL CONDITIONS. THE CONTRACTOR MUST PROVIDE THE ADDITIONAL
COVER REQUIRED TO AVOID DAMAGE TO THE PIPE. MINIMUM COVER IS MEASURED FROM THE TOP OF THE PIPE TO
THE TOP OF THE MAINTAINED CONSTRUCTION ROADWAY SURFACE.
CONSTRUCTION LOADING DIAGRAM
NOT TO SCALE
SPECIFICATION FOR STEEL REINFORCED POLYEHTYLENEPIPE-ALUMINIZED TYPE 2STEEL
SCOPE HANDLING AND ASSEMBLY
ASSUMED SOIL BE.
ACCESS CASTING NOT SUPPLIED BY CONTECH
s:s
^ 00 A
B
J P
#4 DIAGONAL TRIM
9
#4 DIAGONAL TRIM v BAR (TYP.4 PLACES),
BAR TYP.4 PLACES), I ' __ SEE NOTE 7. I / �2
SEE NOTE 7. _ k�I_ _ 1� _ L-___--�T=_-_-_
t ---iti --- - --tom- t---- ---- ----- t ------
2" COVER ---- ----
��� : (TYP)
1
OPENING IN
PROTECTION
SLAB FOR
ACCESS
INTERRUPTED BAR
REPLACEMENT, SEE
NOTE 6.
THIS SPECIFICATION COVERS THE MANUFACTURE AND
SHALL BE IN ACCORDANCE TO THE REQUIREMENTS OF ASTM
INSTALLATION OF THE STEEL REINFORCED POLYEHTYLENEPIPE -(SRPE)
D2321.
DETAILED IN THE PROJECT PLANS.
INSTALLATION
MATERIAL
SHALL BE IN ACCORDANCE WITH AASHTO STANDARD
THE ALU MIN IZED TYPE 2 STEEL COILS SHALL CONFORM TO THE
SPECIFICATIONS FOR HIGHWAY BRIDGES, SECTION 26, DIVISION II
APPLICABLE REQUIREMENTS OF AASHTO M274 OR ASTM A929.
OR ASTM D232i AND IN CONFORMANCE WITH THE PROJECT PLANS
AND SPECIFICATIONS. IF THERE ARE ANY INCONSISTENCIES OR
PIPE
CONFLICTS THE CONTRACTOR SHOULD DISCUSS AND RESOLVE
WITH THE SITE ENGINEER.
THESRPESHALL BE MANUFACTURED IN ACCORDANCE WITH THE
APPLICABLE REQUIREMENTS OF AASHTO M36 OR ASTM F2562. THE
IT IS ALWAYS THE RESPONSIBILITY OF THE CONTRACTOR TO
PIPE SIZES, GAGES AND CORRUGATIONS SHALL BE AS SHOWN ON
FOLLOW OSHA GUIDELINES FOR SAFE PRACTICES.
THE PROJECT PLANS.
ALL FABRICATION OF THE PRODUCT SHALL OCCUR WITHIN THE
UNITED STATES.
MATERIAL SPECIFICATION
NOT TO SCALE
24
3/4" (#6) REBAR CAN BE CUT FLUSH
TO OUTSIDE OF RAIL
(BAR LENGTH = 163/4") OR BAR CAN
EXTEND BEYOND RAILY2'i
ALL STEEL PER
ASTM A36
BRICATION TOLERANCE: tV4"
4T BA R AN D REBAR: MILL
LERANCE APPLIES
12" TYP.
CENTER TO CENTER W HOLE w/ %" REBAR RUNG,
RUNG SPACING io WELD REBAR TO RUNG ON
OUTSIDE OF STEEL RAIL
0 2Y2" x %" FLAT BAR SIDE RAIL
PLAN SIDE
NOTES:
1. LADDERS CAN BE MADE IN 20'1 STANDARD LENGTHS AND CUT TO FIT
2. ALL MATERIAL TO MEET ASTM A36
3. LADDER TO BE HOT DIPPED GALVANIZED PER ASTM A-123 AFTER
FABRICATION IS COMPLETE
STANDARD LADDER DETAIL
NOT TO SCALE
PART NO. HALAGVL16
PROVIDE MINIMUM OF 4 ATTACHMENT
ANGLES (2 ON EITHER SIDE OF LADDER RAIL)
TO CONNECT LADDER TO RISER EXTENSION
RISER w/ LADDER AND STEPS
IF EXTENSION IS REQUIRED
RISER w/ LADDER
AND STEPS
MAINLINE CMP
22/3xy,5x1,3x1,ETC.
NOTE:
THIS DRAWING IS INTENDED TO APPLY TO LADDERS
INSTALLED IN RISERS HAVING A DIAMETER OF 30" OR
LARGER. DUE TO SPACE CONSTRAINTS AND LIMITED
ACCESSIBILITY, THE PRACTICALITY AND SUITABILITY OF
UTILIZING RISERS SMALLER THAN 30" DIAMETER
AND/OR INCORPORATING LADDERS IN THESE SMALLER
DIAMETER RISERS SHOULD BE ADDRESSED BYTHE
OWNER AND PROJECT ENGINEER
iI I
4----
O1�� iIN\ Ili
I
/ d OPENING IN
11L_ �a t� fyl PROTECTION I _
�-� ------- r ---
-tl- - ----�I---r'--It---- SLAB FOR r--�
ACESS I
'I- l.IL A-
/ N I
I
I
I
I
STANDARD STANDARD
II / II I
J }
4 1 /
I {
GO Q� } i
x
`I I
INTERRUPTED BAR
L____J REPLACEMENT,
II I SEE NOTE 6.
REINFORCING, REINFORCING, OB
SEE TABLE SEE TABLE
ROUND OPTION PLAN VIEW SQUARE OPTION PLAN VIEW
NOTES: 7. TRIM OPENING WITH DIAGONAL #4 BARS, EXTEND BARS
MINIMUM OF 12" BEYOND OPENING, BEND BARS AS REQUIRED
1. DESIGN IN ACCORDANCE WITH AASHTO, 17th TO MAINTAIN BAR COVER.
EDITION AND AC 1350.
8. PROTECTION SLAB AND ALL MATERIALS TO BE PROVIDED AND
2. DESIGN LOAD HS25. INSTALLED BY CONTRACTOR.
3. EARTH COVER = V MAX. 9. DETAIL DESIGN BY DELTA ENGINEERS, ARCHITECTS AND LAND
SURVEYORS, ENDWELL, NY.
4. CONCRETE STRENGTH =4,000 psi
5. REINFORCING STEEL= ASTM A615, GRADE 60.
6. PROVIDE ADDITIONAL REINFORCING AROUND
OPENINGS EQUALTOTHE BARS INTERRUPTED, MANHOLE CAP DETAIL
HALF EACH SIDE. ADDITIONAL BARS TO BE IN THE -
SAME PLANE.
'NOTE: WHEN RISER EXTENSIONS
ARE USED, THE PLANT SHOULD
CUT 3" FROM THE SIDE RAILS AS
SH OWN
'3" FROM BOTTOM OF LADDER
RAIL TO RISER JOINT
'3" FROM TOP OF LADDER
RAIL TO RISER JOINT
LADDER RAILS AND RUNGS
(2)y" FILLET WELDS V LONG
ATTACH MENT ANC
L5"x3"xY4'x16"LONG ATV-0"
MIN I MU M OF 4 ANGLES P
SPACING. LONG LEG TO
LADDER SECTION, (2 EACH SIDE
PROJECT OUT. WELD TOP
LADDER) 8' MAX. SPACI
AND BOTTOM OF 3" LEG TO EACH
VERTICAL
CORRUGATION CREST
(THESE ANGLES SHOULD BE USED
FOR LARGER DIAMETER
MAINLINES MERE ADDITIONAL
STEPS ARE NEEDED)
6" FROM RUNGTO
RISER JOINT
8" FROM RUNG TO
RISER JOINT
SECTION A -A
RISER LADDER DETAIL
NOT TO SCALE
RISER NORMALLY
HDPE
NOT TO SCALE
(4)YE" FILLET WELDS FROM
EACH ANGLE CORRUGATION
CREST (2WELDS EACH SIDE)
(4) 43" x 3" x 3/6" _
5Y2" LONG
(2)y" FILLET WELDS
1" LONG FROM EACH ANGLE
TO LADDER RAIL
(4)Yla" FILLET WELDS
(4)y6"FILLETWELDS
FROM EACH ANGLE TO
FROM EACH ANGLE TO
CORRUGATION CREST
CORRUGATION CREST
(2 WELDS EACH SIDE)
(2 WELD EACH SIDE)
L3"x3"x3/e'
L3"x3"x%e"
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5Y2" LONG
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& ACCESS ESMT STATE ROUTE 1403 $ � - / / '� GLEASON & H \ / L L� E
TRUSTEES
o - �T VARIABLE WIDTH R/W
Q w
_ _ _ _ ' /
/ �� X 1 \ I�'� I-
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TMP 45-68C
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TMP 5-68C> r REALTY CORP / I \ \ J / w
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---�--- --- �I i / - �% - �i 2o'PUBLIC '/ + i 4 WW� H a
/ , . BUILDING FFE s21.00 E DsrA s+m M
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FFE_sz6s3 tiAW sza.00 - DRAINAGE ESMT
10 PRIVATE - - - I I GAR=53333 FFE=535.33 FFE-536.67 I/ m� l - --- - - 16 UNITS FFE 528.33 �� yo I - I 518TW q� /
FFE=526.33 I GAR=526.L ��
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Y -- - - - _ - / / FFE=536.33 - -'FFE-535.67 FFE=535.00 -_ FFE-533.67 _ 512BG SSOBG - - - ro
DRAINAGE ESMT FFE=532.83 1 I _BUILDIpLG..#'2 -- _� 1 GAR=536.33 GAR=536.00 GAR=53'.33 GAR-534.67 GAR=533.33 (16)M IF RATE UNITS GAR=529.33 .'GAR=528.OB _ _ - - - 522TW -_- I 512BG 5a88W - -- y° i4958W /
16 U ITS, - -t - /_ _ _ _ - I - - - - - - - 514BG I t1 BW __ - _ ALL
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(18)MARKE RATE UNITS / W-LC- FFE=532.33 --I FFE=531.00 516BG---5126W - ": - ENDSTA.2+50
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TMP 45-68C
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TMP 5-68C> r REALTY CORP / I \ \ J / w
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RI ANNA WATER & \ \ \ \ \ \ \ �\ \ \ \ �\ �SSIONAL E��Z
SEWER AUTHORITY
i \
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ALL ROOFS WILL BE---
-80 -80 37
5=TMP 453-BIM T53.737F= ' SMT=53-
RIDGEWOOD MOTEL & LOT 1
I LOT z I LOT 3 _ _ - - - - - - - -
MANOR LP LOT 4 LOT 5 - - L -
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� AR 526.33 GAR 52567} Oe GAR�22.33 /, AND ROUTED TO STORM-"
\ LOT }'- i - - - - - - _ / i' %- - - - SEWER VIA PRIVATE -YARD
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BSMT 34.16 I 1 I / �SMT 34. 0 ,/ g5 T 530.5 g MT=528.5 1 LOT 11
FIE 44.67 yyy b / TOWNHOMES, HALF
m w } } 4. ---1 1 BSM1 534.84 I / SM I ���
FFE s4d.67 ROOF DRAINAGE WILL BE
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ae -� / 112UNITb� I 1 ---
7 THE DRIVEWAYS TOWARDS
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MALLOY ROPERTIES L I ' y �EALTY CORP
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Structure
Area
(Acres)
Cw
t'
(Min.)
1
0.00
0.90
5.0
2
0.00
0.90
5.0
3
0.00
0.90
5.0
4
0.00
0.90
5.0
5
0.00
0.90
5.0
6
0.00
0.90
5.0
7
0.04
0.85
6.0
8
0.08
0.90
8.0
9
0.12
0.73
7.0
10
0.00
0.90
5.0
11
0.58
0.67
8.0
12
0.00
0.90
5.0
13
0.00
0.90
5.0
14
0.00
0.90
5.0
15
0.38
0.52
8.0
16
0.57
0.82
7.0
17
0.02
0.60
6.0
18
0.03
0.70
6.0
19
0.06
0.65
6.0
Structure
Area
(Acres)
Clv
tI,
(Min.)
20
0.10
0.70
6.0
21
0.19
0.70
6.0
22
0.26
0.70
6.0
23
0.03
0.75
6.0
24
0.09
0.70
6.0
25
0.02
0.65
6.0
UGD
0.00
0.90
5.0
ROOF 1
0.12
0.90
5.0
ROOF 2
0.25
0.90
5.0
ROOF 3
0.22
0.90
5.0
ROOF 4
0.20
0.90
5.0
ROOF 5
0.05
0.90
5.0
ROOF 6
0.16
0.90
5.0
ROOF 7
0.16
0.90
5.0
ROOF 8
0.07
0.90
5.0
201
0.06
0.80
6.0
OUT
0.00
0.90
5.0
26
1.21
0.40
12.6
EXI
0.00
0.90
6.0
EX2
0.75
0.55
6.0
EX3
0.90
0.75
6.0
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0.05
0.55
6.0
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SHEET NO.
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MCMAHON, BRVON J &
1 STEPHEN K VON ST r
GRAPHIC SCALE F-
_ 0 W1 %II� III Izi /` 111 1\ I 1 1 I I \ \ W
\ 30 0 15 30 60 120 d U)
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1 inch = 30 fC. SCALE
III _ 30
1
SHEET 1 NO.