HomeMy WebLinkAboutWPO201800078 Plan - VSMP 2020-12-18EROSION AND SEDIMENT CONTROL NARRATIVE MINIMUM STANDARDS:
PROJECT DESCRIPTION AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, APPROVED
THIS PROJECT INCLUDES THE DEMOLITION OF EXISTING LANDSCAPE ITEMS, CONSTRUCTION OF A SPA, AND TECHNIQUES AND METHODS: by the Albemarle County ?�
ASSOCIATED GRADING AND UTILITIES. LIMITS OF CLEARING AND GRADING AREA OF 2.66 ACRES. MS-1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS Community Development Department
REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS Date 01/08/2021 p
ADJACENT PROPERTY THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE File WP0201800078 UCRAIGW.I.KOTARSKI
THE NORTHERN PROPERTY LINE IS BOUND BY KESWICK RD AND KESWICK HUNT CLUB. THE EASTERN APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. Revision to Approved Amendment #2 Lic. No. 0402048507
PROPERTY LINE IS BOUND BY THE KESWICK GOLF COURSE. THE SOUTHERN PROPERTY LINE IS BOUND BY MS-2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH d� 12-18-20
THE KESWICK GOLF COURSE AND SINGLE FAMILY RESIDENTIAL HOMES. THE WESTERN PROPERTY LINE IS SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION
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BOUND BY SINGLE FAMILY RESIDENTIAL HOMES. OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. GRAVEL CURB INLET SEDIMENT FILTERS�ONALCS
MS-3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. \-��f-�
EXISTING SITE CONDITIONS PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE J
LIMITS OF DISTURBANCE IS CURRENTLY LOCATED ON A PORTION OF THE KESWICK HALL AND GOLF CLUB ENOUGH TO SURVIVE AND WILL INHIBIT EROSION.
PROPERTY. THIS AREA CONSISTS OF EXISTING GRAVEL AND ASPHALT PARKING ALONG WITH A FLOWER MS-4. SEDIMENT TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE
GARDEN. CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND
DISTURBANCE TAKES PLACE.
OFF -SITE AREAS MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER
NO OFF -SITE AREAS WILL BE IMPACTED. INSTALLATION.
MS-6. SEDIMENT TRAPS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP. STOWS 70' MIN. //
CONSTRUCTION / / / M E
CRITICAL EROSION AREAS A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP Access 3' SM-2A ASPHALT TOP / N o
ALL CRITICAL SLOPES ARE SHOWN ON PLAN SHEETS C2.0. SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. COURSE EXISTING /
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MS-7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE FOUND :;..u.2S..,,.. ,27 PAVEMENT ¢ o
EROSION AND SEDIMENT CONTROL MEASURES TO BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE _ 12" > E
GRAVEL FILTER
UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. 6' MIN. 21A AGGREGATE BASE RUNOFF WATER WIRE MESH LET E O O
PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND MS 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR FILTERED WATER LU N 3
SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL PERMANENT CHANNEL FLUME OR SLOPE DRAIN STRUCTURE. ��L *"' I o-Vt ° 3
HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE - MS 9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. e,' o u_ O
WAIVED OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION. MS-10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER D 2 I 70' MIN. q" LET C to m m
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CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT. ¢ m
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STORMWATER RUNOFF CONSIDERATIONS MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET AccESS - WASHRACK F LET N o rn Z Z
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ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED IN ACCORDANCE WITH VESCH PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE \ \ a... ;• a o N
SEDIMENT i..". :':L., ni LV LV
AND THE CONSTRUCTION SEQUENCE, INCLUDING THE INSPECTION OF ALL MEASURES AFTER ALL RAIN cs` - XI IN a:
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Q CHANNEL AND RECEIVING CHANNEL. \ ti 2% I �2R PAVE ENT CONCRETE
EVENTS. PERMEABLE PAVEMENT AND THE PURCHASE OF NUTRIENT CREDITS WILL BE USED TO TREAT MS 12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL \ O L = TOTAL DISTANCE 1pR 12' MIN.• GUTTER CURB INLET 0 n x O O O
STORMWATER QUALITY REQUIREMENTS. PERMEABLE PAVEMENT AND UNDERGROUND STORAGE PIPES WILL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NONERODIBLE FROM THE POINT OF t
BE USED TO MEET STORMWATER QUANTITY REQUIREMENTS. MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CAUSEWAYS AND COFFERDAMS. EARTHEN FILL MAY BE USED FOR THESE NORMAL POOL a INFLOW AROUND THE 12., 41% ¢ a W W
BAFFLE TO THE RISER. • GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. Q v '-'
STRUCTURES IF ARMORED BY NONERODIBLE COVER MATERIALS. \ I _-POSITIVf. DWVNACE � _ �
STRUCTURAL PRACTICES: MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD A 'MUST EXTEND FULL WIDTH A V a, U
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OF INGRESS AND EGRESS
OPERATION TRAPPING DEVICE. SPECIFIC APPLICATION: THIS METHOD OF INLET PROTECTION IS APPLICABLE AT ¢ Ln UO CL CL
1. TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE PROVIDED. c w
PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE MS 14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO o N LU
PLAN IP CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND 3.07- 6 vl \ \
MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD MET. NORMAL POOL UNPROTECTED AREAS. N M Z
TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. MS-15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. - 00 v Z Z
2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS SHAL L BE INSTALLED DOWNSLOPE OF MS-16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER C\ N �«-12• MIN.---- POSITIVE DRAINAGE STORMWATER INLET PROTECTION o w U) W W
AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED. APPLICABLE CRITERIA: \ o V RISER TO SEDIMENT O >
BA -•-�-----_..,;-,,..,_r..---_.-�_---:�TRA_PPING DEVICE NO Scale w t] t]
ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. \\� LE E W W
SEDIMENT FROM LEAVING THE SITE. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. �� \ pp0 r�� z z
3. STORM DRAIN INLET PROTECTION 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, \ FILTER CLOThI 00� ��� o Q Q to
DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. -�� SECTION A -A D00�
ENTERING THE STORM DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE DOE] Qom Ui Q
4. DIVERSION DIKE - 3.09 A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A STABILIZATION. INFLOW A ininiumin water tap of inch must beiustn8edwith amirsim ni 1 hichbagcock �0� iY CL CL CL
SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. shutoff valve supplybig a wash hose with a diameter of 1. 5 inches for adequate p W W
TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH. constant pressure. Wash water nurstbecarried away 8•oiuthe entrance to air - ti ti Z
a oved Settlutg area to remove sed-tiuent. AD sediment shall be revented from
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STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. MS 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE SHEETS OF 4' X 8' X 1/2" EXTERIOR g" U
5. SEDIMENT TRAP - 3.13 A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE TO TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PLYWOOD OR EQUIVALENT eidemig storm drams, ditches or watercourses. " k' :"" O O O a
DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND "DRY" STORAGE LONG ENOUGH PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE 4 Z Z O
= CL
RISER CREST PAVED WASH RACK
FOR THE MAJORITY OF SEDIMENT TO SETTLE OUT. REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET ELEVATION NO SCALE F-
3
6. MAINTENANCE OF SEDIMENT TRAP - INSPECT TRAP EMBANKMENT WEEKLY TO ENSURE IT IS WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL 4 POSTS MIN. SIZE 4" 0w
STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED DURING CONSTRUCTION ACTIVITIES. DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. SQUARE OR 5" ROUND. LU O
ADDITIONALLY THE TRAP SHALL BE CHECKED AFTER EVERY RAINFALL EVENT. ONCE THE SEDIMENT HAS MS 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION PERSPECTIVE VIEW LU O O N
SET AT LEAST 3' INTO PCE O N
REACHED THE DESIGNATED CLEANOUT LEVEL IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. 6 THE GROUND. Q LU7. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE r( ¢ rV O O
SURFACE AND AIR MOVEMENT. PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. STONE CONSTRUCTION ENTRANCE O \ ~
MS-19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION O
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VEGETATIVE PRACTICES: AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY U) ~ ~
1. TOPSOIL (TEMPORARY STOCKPILE) - 3.30 TOPSOIL SHALL BE STRIPPED FROM AREAS TO BE GRADED STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE STANDARDS AND CRITERIA LISTED IN SECTION 19 OF VIRGINIA o >
DATE
AND STOCKPILED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE LOCATED ONSITE AND ADMINISTRATIVE CODE 9VAC25-840-40 MINIMUM STANDARDS. 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO FAeRG S-
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SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION. TRENCH UPSLOPE ALONG THE LINE OF THE POSTS. = nrA�TTe,. O
2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30 POSTS. > 11/9/2020
DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GENERAL EROSION AND SEDIMENT CONTROL NOTES: 6' .0 Wa4
GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR -� FABRIC DRAWN BY
WOODEN BAFFLE INE T
IT IS APPLIED. ES-1: UNLESS OTHERWISE INDICATED, CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL � _ - � CONVENTIONAL � j � to � GROUNDOUND LINE
3. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE EROSION AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND No Scale - a METAL OR MAX. C. GAYNER
COVER BY PLANTING SEED TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE SPECIFICATIONS OF THE LATEST EDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL f i _ l� =1I _ 5' MIN. AX' U)POSTS BRACING CONCRETE FOOTING
NATURAL BEAUTY. HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL /III_IIIIIII' PERSPECTIVE VIEW PERSPECTIVE VIEW DESIGNED BY
4. SOIL STABILIZATION BLANKETS & MATTING - 3.36 A PROTECTIVE COVERING BLANKET OR SOIL REGULATIONS. FLOW II=111- 1=111=1I SAF O •
3d° (MIN.) L=lIl „ 11-III=1II- PLASTIC FENCE METAL FENCE 3.10
STABILIZATION MAT SHALL BE INSTALLED ON PREPARED PLANTING AREAS OF CHANNELS TO PROTECT A 4" • A. ALLISON
AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF. ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING SAFETY FENCE
REVIEW AND EVALUATION OF THE METHODS AND EFFECTIVENESS OF THE EROSION CONTROL PLAN. d" 3. ATTACH THE FILTER FABRIC TO 4. BACKFILL AND COMPACT THE • CHECKED BY
MANAGEMENT STRATEGIES THE WIRE FENCE AND EXTEND IT INTO EXCAVATED SOIL. No Scale
1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH ES-3: PLACE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN PIPE THE TRENCH.
IMMEDIATELY FOLLOWING INSTALLATION. CLEARING GRADING OR LAND DISTURBANCE. DEFINE CHANNLET TO EL
TABLE 3.31-B • C. KOTARSKI
DEFINED CHANNEL ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS
2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING.
"QUICK REFERENCE FOR ALL REGIONS" SCALE = j =r j
3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO ES-4: MAINTAIN A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN ON THE SITE AT ALL PLAN VIEW �
MINIMIZE PERIMETER CONTROLS. TIMES. La •
4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER ! �~ 11 PLANTING DATES SPECIES RATE (LBS./ACRE) N/A
-III-' FLOW Il l 11 l li
REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW. ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON I_III '' /' �=III-IIL-I' •
THESE PLANS INCLUDING BUT NOT LIMITED TO OFFSITE BORROW OR WASTE AREA _I11=
( ), SUBMIT A 0 % SEPT. 1 -FEB. 15 50/50 MIX OF
„IIIJT' •
PERMANENT STABILIZATION SUPPLEMENTARY EROSION CONTROL PLAN TO THE ARCHITECT/ENGINEER AND THE CONTROLLING ANNUAL RYEGRASS
ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING EROSION AND SEDIMENT CONTROL AUTHORITY FOR REVIEW AND ACCEPTANCE. - EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. (LOLIUM MULTI-FLORUM)
IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH STD. & SPEC. SECTIONA-A& 50-100
3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED FOR "MINIMUM CARE LAWNS" AND ES-6: PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND FILTER KEY IN V-9", RECOMMENDED FOR FILTER FABRIC CEREAL (WINTER) RYE
"GENERAL SLOPES" IN THE HANDBOOK FOR SLOPES LESS THAN 3: 1. FOR SLOPES GREATER THAN 3: 1, SEED SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE) NOTES: CLOTH ENTIRE PERIMETER (SECALE CEREALE)
_ _ _
TYPE SHALL BE AS SPECIFIED FOR "LOW MAINTENANCE SLOPES" IN TABLE 3.32-D OF THE HANDBOOK. FOR _ _
1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR I- - WIRE- FEB. 16 -APR. 30 ANNUAL RYEGRASS 60-100
MULCH (STRAW OR FIBER) SHALL BE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED, ES-7: ALL DISTURBED AREAS SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES CONCRETE. -III=III-III 1=III=11I-
FERTILIZER AND LIME SHALL BE APPLIED PRIOR TO MULCHING. DURING LAND -DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES .05-
SSF = III lil-1 -III= 31 (LOLIUM MULTI-FLORUM) , ^
3.18-3 AND 3.18-4. V ,
SEQUENCE OF INSTALLATION ES-8: DURING DEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED FILTERING DEVICE. OP 3 dINC 5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 3.18 SILT FENCE (WITH WIRE SUPPORT) MAY 1 -AUG. 31 GERMAN MILLET 50 J
PHASE I (SEE SHEET C3.1) (SETARIA ITALICA)
1. A PRE -CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY E&S INSPECTOR, ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING No Scale
CONTRACTOR, OWNER, AND ENGINEER. THIS MEETING SHALL TAKE PLACE AT ALBEMARLE COUNTY RAINFALL EVENT. MAKE ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OUTLET PROTECTION TS 3.31
COMMUNITY DEVELOPMENT BUILDING. CLEARING LIMITS MUST BE FLAGGED PRIOR TO THE MEETING OF THE EROSION CONTROL DEVICES IMMEDIATELY. No Scale
1. SET THE STAKES. 2.A ONGTHEEXCAVATE
LINE F TAKES. UPSLOPE TEMPORARY SEEDING PLANT MATERIALS W
WITH ONE (1) WEEK OF NOTICE. F----i ALONG THE LINE OF STAKES. Q
2. INSTALL SILT FENCE BELOW PROPOSED SEDIMENT TRAPS. CLEAR AND GRADE SEDIMENT TRAPS. Sediment Trap #1 Design 6' No Scale
3. INSTALL CLEAN WATER DIVERSION, REMAINING SILT FENCE, REMAINING TREE PROTECTION, Q
TABLE 3.32-D
DIVERSION DIKES INLET PROTECTION CULVERT INLET PROTECTION. r vu¢uar'
Drainage Area (Acres)(r 3) 268 . { R� _ r SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA
4. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PLACE, SITE WORK CAN BEGIN. TrapVdumes: CREST Of STONE WEIR ��� • %� /Jfil Z
Elevation (ft} Area (sf) Vdume(Gy} oR° H° �l TOTAL LBS. PER ACRE
5. ROUGH GRADE PROJECT AREA. SAID i
6. SEED ALL DENUDED AREAS PER VESCH STANDARDS. 417 1210 - - 'a FLOW 4" MINIMUM CARE LAWN Q
418 1501 50.2 COMMERCIAL OR RESIDENTIAL 175-200 LBS.
PHASE II (SEE SHEET C3.2) aaYSTORAGE H 3. STAPLE FILTER MATERIAL TO STAKES AND 4. BACKFILL AND COMPACT THE KENTUCKY 31 OR TURF -TYPE TALL FESCUE 90-100%
419 1817 61.4 W
1. ONCE PROJECT AREA HAS BEEN ROUGH GRADED, TIE GRADES IN TO SEDIMENT TRAPS. � EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. IMPROVED PERENNIAL RYEGRASS 0-5%
2. ADJUST DIVERSION DIKES AS SHOWN ON THE PHASE II EROSION AND SEDIMENT CONTROL PLAN. 420 2158 73.6 KENTUCKY BLUEGRASS 0-5% ^
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3. RELOCATE EXISTING SANITARY SEWER LINE 421 2524 867 WET STORAGE
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4. SEED ALL DENUDED AREAS PER VESCH STANDARDS. 422 2915 100.7 FLERcoa o % % Q
372 7 nn _ _ GENERAL SLOPE (3:1 OR LESS) z
/ KENTUCKY 31 FESCUE 128 LBS.
PHASE III (SEE SHEET C3.3) CONTRACTOR SHALL PROVIDE ALL INFORMATION •SEE t kTE a13-1 =Rrc.TE" �S T RP FLOW RED TOP GRASS 2 REQUIRED FOR CONSTRUCTION RECORD DRAWINGSWet Story: SEASONAL NURSE CROP J LBS. z
1. CONTINUE GRADING ASSOCIATED WITH THE BUILDING PAD. INSTALL PARKING SPACES AND DRIVE ` 20 LBS. tY J
AISLE AS SHOWN. PRIOR TO THE INSTALLATION OF PERMEABLE PAVERS, CONTRACTOR SHALL Wet Storage Required (CY) (67'DA) 179.E 150 LBS.
STABILIZE ALL UPHILL DRAINAGE AREA ND PROVIDE SILT FENCE PER SHEET C3.3. Bottom of Stone Weir (it)420.0 SHEET FLOW INSTALLATION
2. INSTALL STORM PIPES AS NOTED ON SHEET C3.3. ENSURE THESE PIPES REMAIN OFFLINE AND ce Wet Storage Provided at this Elevation (C 185.3 "CDarseAggregate Shall be VDOT #3. #357 Qf#5 (PERSPECTIVE VIEW) LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1)
COUNTY OF ALBEMARLE 3' KENTUCKY 31 FESCUE 108 LBS.
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PROTECTED FROM SEDIMENT UNTIL THE DETENTION SYSTEM HAS BEEN INSTALLED TO COMPLETION. � _ -. r`i, neparunentofCommunity Development Slope Of Wet Storage Sides 21 FLOW MAX. RED TOP GRASS 2 LBS. � z
3. PROVIDE INLET PROTECTION AND ADJUST DIVERSION DIKES AND SEDIMENT TRAP ELEVATIONS AS Weir Length (it) (6xDA) 16.1 A A SEASONAL NURSE CROP ` 20 LBS.
GRADING REQUIRES. Construction Record Drawings (As -built) for VSMP Dry Storage: Bottom of Trap Elevation (ft) 417 B _ CROWNVETCH " 20 LBS.
4. SEED ALL DENUDED AREAS PER VESCH STANDARDS. Dry Storage Required (CY) (6TDA) 179.6 Bottom Trap Dimensions: 45X27 - 150 LBS. 0 O
The following is a list of information required on construction record drawings for Crest of Stone We r 4220 Top of Dam E lee tion (ft} 423 \���f ! 1
PHASE III (SEE SHEET C3.3A) stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the Dry Storage Provided at this Elevation (M 187.4 Top Width of Dam (ft) 4.5 W/� USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES U J u
1111
1. CONTINUE GRADING ASSOCIATED WITH THE BUILDING PAD AND REGRADE SEDIMENT TRAP 1 TO construction record drawing be prepared by someone other than the designer. Please do not SI Df D St e Sides 2 Top Trap Dimensions 52X68 AS STATED BELOW: H IY
SEDIMENT TRAP lA AS SHOW ON SHEET C3.3A. provide design drawings as construction record drawings. POINTS ASHOULD BE HIGHER THAN POINT B. FEBRUARY 16TH THROUGH APRIL.................................. ANNUAL RYE Q 7�
2. ENSURE STORM PIPES REMAIN OFFLINE AND PROTECTED FROM SEDIMENT UNTIL THE DETENTION NOTE: SEDIMENT TRAP REQUIRES (2) 38' WOODEN BAFFLES O DRAINAGEWAY INSTALLATION O MAY 1ST THROUGH AUGUST 15TH ............................ FOXTAIL MILLET � Z
SYSTEM HAS BEEN INSTALLED TO COMPLETION. A. A signed and dated professional sod of the preparing engineer or surveyor. $T O SF 3.05-2 AUGUST 16TH THROUGH OCTOBER ............................... ANNUAL RYE LU
B. The name and address of the firm and individual preparing the drawings on the title sheet. 3.13 (FRONT ELEVATION) Co LLI
3. PROVIDE INLET PROTECTION AND ADJUST DIVERSION DIKES AND SEDIMENT TRAP ELEVATIONS AS NOVEMBER THROUGH FEBRUARY 15TH........................ WINTER RYE J
GRADING REQUIRES. I RES. C. The constructed location of all items associated with each facility, and the inspection records to verify Q
Q per dimensions, materials and installation. The items include, but are not limited to the following: SEDIMENT TRAP # 1 SILT FENCE (W/O WIRE SUPPORT) w
4. SEED ALL DENUDED AREAS PER VESCH STANDARDS. 1. Inspection Records and photographs for pipe trenches and bedding, including underdrains. "SUBSTITUTE SERICEA LESPEDEZA FOR CROWNVETCH EAST OF H
2. Video Pipe Inspection for an pipes which are not accessible or viewable. No scale No Scale
P P YP 1>e FARMVILLE, VA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL 0
PHASE IV (SEE SHEET C3.4) 3. Updated Location with geocoordinatesofall facilities. OTHER PERIODS, USE UNHULLED SERICEA). IF FLATPEA IS USED IN LIEU
4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities. 2 X 4" WOOD SILT FENCE DROP INLET PROTECTION DROP INLET WITH Uj
1. INSTALL ADDITIONAL INLET PROTECTION WHERE SHOWN ON THE PHASE IV EROSION AND SEDIMENT 5. Current physical and topographic survey for all earthen structures. Ponds should include a survey FRAME GRATE OF CROWNVETCH, INCREASE RATE TO 30 LBS./ACRE. ALL LEGUME SEED , ^
CONTROL PLAN AS THE STORM SYSTEM IS CONSTRUCTED AND BECOMES OPERATIONAL. Sediment Trap} #2 Design MUST BE PROPERLY INOCULATED. WEEPING LOVEGRASS MAY BE v /
of the pond bottom. Surveys should verify pond volumes are per design. Corrections maybe required
2. BEGIN CONSTRUCTION OF THE PARKING SPACES LOCATED WITHIN THE EXISTING GRAVEL PARKING for alterations from the design. FRAME ADDED TO ANY SLOPE OR LOW -MAINTENANCE MIX DURING WARMER
LOT. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN 6. Plants, location and type. DrainageArea (Acres) (< 3) 0.51 1 1.1 "`""-III 1 5' C -� SEEDING PERIODS; ADD 10-20 LBS./ACRE IN MIXES. 06
SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. 7. Plans and profBes for all culverts, Pipes, Rism, Weirs and Drainage Structures - Display the TtapVdum�: CRf5rOF5T0aEWE1R 1p MAX. - S 7
3. ALL STORMWATER PIPING &STRUCTURES, INCLUDING DETENTION FACILITIES SHALL BE INSPECTED installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s), Elevation (ft} Area (sf} VDlume(Gy} °e'U"° -
inlet and outlet on, alignment and invert elevations compared to design. O
FOR SILT/SEDIMENT. IF PRESENT SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE �OreOh direr P �' � � ,a ���
SATISFACTION OF THE E&S INSPECTOR. 8. Computations: For sig ificantdeviationsfromdesign,providesededcomputationsverifyingthat 426-5 712 - S
4. ONCE THE SITE UP HILL FROM THE SEDIMENT TRAPS HAS BEEN STABILIZE AND APPROVED BY ESC the as -built condition is equivalent or better than design. 427 819 14.2 DRY STORAGE _ vn a E' w^i MIN. H
9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical 428 1050 346 GATHER , ^
INSPECTOR REMOVE, REMOVE THE SEDIMENT TRAPS AND COMPLETE ANY FINAL GRADING OR sections and linings. 429 1306 436 ^ EXCESS PS
HARDSCAPE.. 10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage U-iAT O
must platted eeofrecrndeddocumants. 429.5 1444 25.5 wETST°RAGE CORNERS PERMANENT SEEDING MIX FOR PIEDMONT AREA
5. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS P (i rcTORUAG 0
11. Guardrail, fences or other safety provisions - Display the constructed location of all safety 117.9 rcme ctonl oar"� PERSPECTIVE VIEWS ACHIEVED. SILT FENCE BELOW SEDIMENT TRAP MUST BE MAINTAINED THROUGH GRADING AND ° I No Scale W
CONSTRUCTION. provisions; fences, guardrail, including the type, length and applied end treatments, compared to 1 ncv.
�s�' Wet Storage: 1 STAKE
6. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION 12. Material layers -biofdter media, stone layers, sand layers, keyways and cores must be verified as to �9 -SEE RWE a13-1 Cw &E aRx E°eR CUSS T RP
CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR. material types and depths. Include inspection reports, turning or test pit reports and materials Wet Storage Required (CY)(6TDA) 34.2
Bottom of Stone Weir 428.0 FABRIC
certifications. Hiofilter media must be an approved state mix. � } 1 • _ _ _ _ _ _
13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable. Wet Storage Provided at this Elevation (CY 48.8 "Coarse Aggregate S hall be V DOT #3, #357 of #5 III III MIN.
14. Compaction reports are required to verify fill compaction in dams. Slope to Wet Storageed Sides 21 II 1-
�A: _ _
SOILS INFORMATION: 15. Manufacturers certifications for propdetaryBMP's certifying proper installation and functioning. Weir Length 6x DA 3.1 w I I I
ter g (ft } ( } A Ll Ll U Ll U
46B - LIGNUM SILT LOAM, 2 TO 7 PERCENT SLOPES. 40 TO 60 Dry Storage: Bottom Dr Trap Elevation (it) 42
Dry Storage Required (CY) (67*DA) 342 Bottom Trap Dimensions: 33x2222 DETAIL A STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION
INCHES TO PARALITHIC BEDROCK, MODERATELY WELL DRAINED. FENCE ATTACHED TO POSTS (PRE -WEATHERED WOOD, -
Crest of Stone Weir 4295 Top of Dam Elevation (it) 430.5 GALVANIZED STEEL, IRON OR THICK PVC PLASTIC), AT LEAST
HYDROLOGIC SOIL GROUP: D ELEVATION OF STAKE AND FABRIC ORIENTATION
Dry Storage Ptorageked at this Elevation (CY) _ 62:1 Top Width D(Dam ns 3 SPECIFIC APPLICATION 40" ABOVE FINISH GRADE WITH SPAN BETWEEN POSTS NO
51B - MANTEO CHANNERY SILT LOAM, 2 TO 7 PERCENT SLOPES. 15 Slope of Dry Storage Sides 21 Top Trap Dimensions 45x34 THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET GREATER THAN U ON CENTER. EVERY NINTH POST SHALL JOB N0.
TO 20 INCHES TO LITHIC BEDROCK, SOMEWHAT EXCESSIVELY DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE CONTAIN A WARNING SIGN THAT CLEARLY IDENTIFIES THE
DRAINED. HYDROLOGIC SOIL GROUP: D •NOTE: SEDIMENT TRAP REQUIRES 2 30'VVOODEN BAFFLES THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE 40241
ST () IP TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING 3 07-1 FENCE AS A TREE PROTECTION FENCE.
51C - MANTEO CHANNERY SILT LOAM, 7 TO 15 PERCENT SLOPES. 10 3.13 CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. O TP 3.38
SHEET N0.
TO 20 INCHES TO LITHIC BEDROCK, SOMEWHAT EXCESSIVELY
DRAINED. HYDROLOGIC SOIL GROUP: D SEDIMENT TRAP #2 STORM DRAIN INLET PROTECTION ITREE PROTECTION C3,0
No Scale No Scale No Scale
Pi:
.......... 71 \ y ... .. \ 4473
......... � l \ / / \ TO BUILDING ^: 2 - - - � � / / •.': \/ / � A1- /
........:.:�\ \ \ \ \ JGP / \, �` \ /, `Y , ... / �C ----^-' ^/�Q0 y`x' `/ \-^- 'A ,/� / / \ 1 EROSION CONTROL LEGEND
...
.\\ -- - -- ' '/, /ill_ - `--'^'445'
- gGp TO \ \ AB' 445 _ - - - \ - 4' : r:' a'/� ' ' V / = LIMITS OF CLEARING AND GRADING
\ C, \O 6 \, \ _ ,� .:' a SOIL INFORMATION
\ ..• , \...\'�..i..•. - _ / l / \ J - KWALL / \ pw \ i •.. •• - _'r,.' ty - '
GG 443 / / I /
� • �•��•�a•� \�• • � \ � \ ���� / UILDING _ \ \ / � / \ -. IIII .r;•.� , :, � -
\,\ \ � \ � � DRAINAGE AREA BOUNDS
AP
CONSTRUCTION ENTRANCE 3.02
_ - _ \ - SILT FENCE \ \ 31 45 :..,• , \\ / :••''°j�' III\' Ay .,:.••. 1 / a My,
\ ..\.a. 4'.\ \ \ \ / - - �� \\ ` \ \ i / p \ ` ` a SF X X S C 3.05
/f \ ..\.�\.\.\ - �' X-444.74 445.i;B ••e .t
\ / �� AP bX LOCATION
\ \; 4 /' REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND ssF XX-� SUPER SILT FENCE 3.05-1
:'.:'...\. \, DB.,884,PG.607 - / I I - SITE IMPROVEMENTS" SDP-2018-016 WP0201800020 & 7" '
/ Box
/// \\ /'' \ -lRR lRR \// ,\ r- - - -- _ - \\ /P 1 i.::.:,•'•. 9 IP INLET PROTECTION 3.07
/' G/%\�,_ -_ PED I PE / \ y� �; - ° WP0201800078 FOR DESIGN INFORMATION.
/p36�• .\ .\'.' \�\ \ ' \ \ - - /3B' Q.1 \ ORAL ' -\ kB- - : ':I . \ \ 442.•96 - _ _ _ i O
/ � DIVERSION DIKE 3.09
ASSS
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� i STEPS / � -� \ _ \ \ \
SANITARYMH �\ \ J _ _ F \
sq i . \ .� .......� _ - IRRIGATION w I ` uGT� _ - - - //GT - \p lRR
N \ TOP-435.65 \ '+ ' ' ' ' _ s-� HH
-
\ •�•�••; '•'_.'.'•'....'•'•�'• _ _ _ - - / 6, - �U - - 437 ..�.'. 1. _ _ LS LEVEL SPREADER 3.21
\ lNV 1N 427.76 . .. a- - - \ ......'.' \ / /
s.a INVOUT-427.02
/ \ ^ - - - - - - - - - _ - - - - - - \ AG\ EO/ / \ _ , ;.•.. `;'," ' / / / TS TEMPORARY SEEDING
Nl RY MANHOLE �,�:
t~S \ / 3.31
FYBALL / \ \ \ \ \ WV ` ` •� I I\ / _ _ �' J! ' `O�\ ��\� \ \\ \ \ \ _ / \ �` \ / a� IIII' // / / // PS PERMANENT SEEDING 3.32
IOSTS It
3y - 435 \ �� GT a3 ` \ G� OR Lc \ , - - �- _ C...l
X\06 \ �w I `\ / / - - /� \ \\\ \\ o\\ :•�.;;}.. / \ �\ �''+; APPROX.LOCFjPION / / / MU MULCHING 3.35
SL B S2 ` ASPHALT - - �. - ' / �^ ` \ E -43 'J' \ \ - '?�•'''• /
(/B \ -v BU PM ERBLo K \ �,(/\/ \ TOP- \ `, . ' VEPCO EASEMENT
��X (TYPJ - S I L TYPE : a35 �'- - - / -� \ ` _ _ •� / _ \ T � \ `\ \ . �\ ` l -429.3 3 58 _ �' . ` _�' _'' ' •:. P ' ' / / • • F TP
/ ` \ )= �. 17, PG. 675
' �� _ - / / TREE PRESERVATION FENCE 3.38
46 B °C - �� , , �� OIL lY P O , ® � �C9 37 SANITARY , < / ..;. .7.
\ - - - _ VAR. WIDTH - ■ \ \ /
■SOIL TYpyE DRAINAGE E ENT �QNCIZ€F€ P4D S1 I 1 p r \ \ c gg6;.:.,.jf, _ - _ , / / O DUST CONTROL 3.39
\ DB. 05198 G.663- 70 43A.W/ �/OODEN STATUE _ - - - / �? / -. �� \ \ \ \ /
8„ ■ 51 B / ' - - _ / 31 g5 ' ' - - TP- - - - _ \ �� �O ��� \ �' / `\ .' ' \ \ _ _ _ - / / * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER
1 ` f , / A33 .• _ ( \/ Q� `� / / SAtL /i JP. / /, , / / /b �/, / any .( .. 0D/F
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AND PARKING AREA \\�
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\ - - DD / \ �\��/ SF _ / 1 / - / ` \' < PHASE 1 OF EROSION AND\-
\` ` - / / /� / / ' \ II / \ .6 �\o \ CONTROL )� ------
SEDIMENT
\// / / I //�//I� I / // // /-- \\ \..\\ \\\� TOTLLIMITS
EO2.66AC II\
\ \ \ fit-,L GRAVEL PARKING
"-435, /
\ \ SOIL -TYPE: \� \�i /�/�/�// sT, 1 , , / , g :t.\`\\,-_ ','`\\
2p \ \ "` DD IIII \ SOIL TYPE: \
I 1 \\ -� 5113
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(2) WOOD �y�'+ , ' - ` �_= I \ ` \ ♦ \ \ /' 1 /
\, \\\ \\\ - \ `\ \\ • `\ BAFFLES _- - ,' �FVB / T `� CRITIC)IL STEED
7' SLOPE` (TYP.J` ` SOIL STOCKPILE. \ \ \ �. _ - / / ` \` \` 1 N \, \ /
--\ \`^- '` \ ,♦ DD SOIL\TY �- \ \
DRAI ENT / \ APPROX LOCATION
1 DB. 051 P 3-6� I \ o I 15' VEPCO EASEMENT
SEDIMENT TRAP #1 / DID I I , / / 1 \
2.68 ACRE DRAINAGE AREA ` _ / / ' I I I \ 1 I \ /
TOTAL STORAGE REQUIRED: 359.1 CY ^\ - - - I A22 / ,' /' I I I di 1 4 1 `1\ � �� ?
TOTAL STORAGE PROVIDED: 372.7 CY 1 SF A2 ,' /' 1 1 1 I 1 - \
TOP OF DAM ELEVATION: 423 1 , I _ / ,' I I 1 I y
STONE432-
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\ \ \ \ _ / \ \
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.\ .\.4 \ -
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\V \ \ \ SO I L,T i f 4• �� \ �>"/.(��/ - -� \ / ' / / - - _ _ \ ..\ .. \ \\ \ \, \ UNDISTURBED DURING \
\ \ \ \ \ _ / \ \T�t SF / \ 1 / - / ♦ \ \ < \ PHASE 2 OF EROSION AND
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SEDIMENT TRAP #'IA
' 1.01 ACRE DRAINAGE AREA _ _ \ _ -' / ' I I / 1 \ \
TOTAL STORAGE REQUIRED: 135.3 CY ^I - - / I d-L y '� \( DID (2) WOOD BAFFLES \
^ \ \ \ \ \ \ \ \ \ ^ ^ \ a TOTAL STORAGE PROVIDED: 256.1 CY SF / Q2 ' / ' I I I ?e\\ \ I ON w on w/ \� j\ \ /
TOP OF DAM ELEVATION: 423 r I / A2 ' ' S O I �-S�TY P E : ' _ 1 II \ \�
\ W� _\IIIf(�\. 1\ \ [b /41.7B
y[ ' .I[ _ N/. \ 1\ STONE WEIR ' \ � - _ _ •i /' / _ / / \\ _ / / I -1 ,�}� ■ \\ \ / / « 432- a'
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\---\\ \ - CLASS IRIPRAP \ / • ��,-- ♦ ■■ SSF / ,\ ■ / \ I - \\ //
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\ 414 / \ / ■ / \ / \
W = 6.3. , ■I ■ ■ \` SEE VESCH STDS
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SEDIMENT TRAP #1A
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DESIGNED BY
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CHECKED BY
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REFER TO PLAN TITLED "KESWICK HALL ADDITIONS AND A? ssF xx-->O SUPER SILT FENCE 3.05-1
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8„ 3� - - _ - - - _ _ �� lO FT \ �' / ` "'. / \ \ \ - _ _ _ - \/ / * "VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK" SPECIFICATION NUMBER OD -i
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111912020
DRAWN BY
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DESIGNED BY
A. ALLISON
CHECKED BY
C. KOTARSKI
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