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WPO202000038 Plan - VSMP 2021-07-28
GENERAL NOTES OWNER. 06100-00-00-134A0 ALBEMARLE BANK & TRUST % BB&T PROPERTY TAX COMPLIANCE PO BOX 167 WINSTON-SALEM, NC 27102 APPLICANT SOUTHEASTERN RETAIL DEVELOPMENT, LLC 2050 CIRCLE HWY.. 30A WEST BLDG. M-1 UNIT 231 SANTA ROSA BEACH, FL 32459 ENGINEER: COLLINS ENGINEERING 200 GARRETT ST. SUITE K, CHARLOTTESVILLE, VA 22902 TELEPHONE (434)293-3719 FAX (434)293-2813 CONTACT MR. SCOTT COLLINS, P.E. scot t0collins-engineering. com TAX MAP NO. 06100-00-00-134AO (D.B. 646/ PG. 508) AREA 0.93 AC ZONING PLANNED DEVELOPMENT SHOPPING CENTER (PD-SC) WITH OVERLAY DISTRICTS (ENTRANCE CORRIDOR (EC), AIRPORT IMPACT AREA (AIA), AND MANAGED SLOPES) ZMA (ZMA2019-00014) APPROVED BY THE BOS ON APRIL 15, 2020 SETBACKS FRONT BUILDING SETBACK. 10' MINIMUM & 30' MAXIMUM SETBACK FROM ROUTE 29 SIDE BUILDING SETBACK. • NONE REAR BUILDING SETBACK: NONE PARKING SETBACK.- 10' PARKING SETBACK FROM ROUTE 29 BUILDING HEIGHT MAXIMUM BUILDING HEIGHT: 65' PROPOSED BUILDING HEIGHT. • 27'-4" NOTE: ANY STRUCTURE EXCEEDING 35' IN HEIGHT SHALL BE SET BACK FROM ANY STREET R/W. IN ADDITION TO THE MINIMUM YARD REQUIREMENT A DISTANCE OF 2' FOR EACH 1' IN BUILDING HEIGHT. PROPOSED USE PROPOSED 3,000 SF COMMERCIAL RETAIL / FURNITURE BUILDING IN PHASE L PROPOSED SUBDIVISION. NEW PARCEL: 0.28 ACRES RESIDUE PARCEL (TMP61-134A): 0.61 ACRES R/W DEDICATION AREA: 0.04 ACRES TOPO & SURVEY SURVEY AND BOUNDARY INFORMATION PROVIDED BY ROUDABUSH, GALE & ASSOCIATES, INC. AND FIELD SURVEY DONE IN OCTOBER, 2019. DATUM SET BY SURVEYOR. DATUM NA 83 DATUM ADJACENT PROPERTY OWNERS: SEE EXISTING CONDITIONS, SHEET 2. EXIS77NG VEGETATION THE SITE IS FORESTED. CRITICAL SLOPES IN ACCORDANCE WIN THE ALBEMARLE COUNTY CRI77CAL SLOPES COUNTY MAPPING, 'MANAGED' CRITICAL SLOPES EXIST ON THE PARCEL. THE MANAGED SLOPES ARE SHOWN ON THE EXISTING CONDITI0NS SHEETS AND GRADING AND DRAINAGE PLAN SHEET WATERSHED THIS DEVELOPMENT LIES WITHIN THE MOORES CREEK WATERSHED. THE SITE IS NOT LOCATED WITHIN A PUBLIC WATER SUPPLY RESERVOIR WATERSHED, IT IS LOCATED DOWNSLOPE FROM THE SOUTH FORK RIVANNA WATER SUPPLY WATERSHED. FLOODPLAIN/WPO BUFFERS THERE ARE NO 100-YEAR FLOODPLAINS OR WPO BUFFERS LOCATED ON THIS SITE PER FEMA MAP PANEL #51003CO288D DATED FEBRUARY 4, 2005 & COUNTY GIS, RESPECTFULLY. ALSO NOTE THE PARCEL IS OUTSIDE THE LIMITS OF THE FEDERAL & STATE DAM BREAK INUNDAT70N ZONES PER COUNTY GIS DATA. SITE ACCESS THE SITE ACCESS FOR THE PARCEL IS PROVIDED VIA ROUTE 29 SEMINOLE TRAIL. A PARKING AND ACCESS EASEMENT WILL BE RECORDED ACROSS THE RESIDUE PARCEL TMP61-134A FOR THE BENEFIT OF THE NEW PARCEL CREATED WITH A SUBDIVISION PLAT. RETAINING WALLS: RETAINING WALLS ARE PROPOSED WITH THIS SITE PLAN, SEE GRADING SHEET 5. RETAINING WALLS SHALL NOT EXCEED 6 FEET IN HEIGHT. NOTE: RETAINING WALLS ABOVE 3 FT WKL REQUIRE A BUILDING PERMIT AND RETAINING WALLS ABOVE 4 FT WILL REQUIRE STAMPED ENGINEERING PLANS. LIGHTING: THE PROPOSED LIGHTING PLAN HAS BEEN INCLUDED, SEE SHEET 9. EACH OUTDOOR LUMINAIRE EQUIPPED WITH A LAMP THAT EMITS 3,000 OR MORE INITIAL LUMENS SHALL BE A FULL CUTOFF LUMINAIRE AND SHALL BE ARRANGED OR SHIELDED TO REFLECT LIGHT AWAY FROM ADJOINING PROPERTIES AND AWAY FROM ADJACENT ROADS. THE SPILLOVER OF LIGHTING FROM LUMINAIRES ONTO PUBLIC ROADS AND ADJACENT PROPERTIES SHALL NOT EXCEED ONE-HALF FOOTCANDLE. LANDSCAPING: A LANDSCAPING PLAN HAS BEEN INCLUDED IN ACCORDANCE WITH ALBEMARLE COUNTY ORDINANCE SECTION 32.7.9, SEE SHEET 8. STREET TREES HAVE BEEN PROVIDED WITH THE LANDSCAPING DESIGN ALONG THE FRONTAGE OF THE PROPERTY EVERY 40' O.C. TRASH COLLECTION: AN ENCLOSED DUMPSTER SCREENED WITH LANDSCAPING IS PROVIDED ON THE PLANS. DUMPSTER ENCLOSURE MATERIAL SHALL BE A WOODEN TRASH ENCLOSURE LOCATED BEHIND THE BUILDING. SEE SHEET 6 FOR DETAILS. UTILITIES PUBLIC WATER AND SANITARY SEWER UTILITIES WILL BE EXTENDED TO THE PROPERTY FOR CONNECTIONS TO THE PUBLIC UTILITIES. STORMWATER MANAGEMENT FACILITY: STORMWATER MANAGEMENT WILL BE ACHIEVED FOR THE SITE WITH AN UNDERGROUND DETENTION FACILITY AND A DETENTION BASIN FOR WATER QUANTITY CONTROL AND PURCHASE OF NUTRIENT CREDITS FOR THE WATER QUALITY. ES77MA7ED EMPLOYEES IT IS AN77CIPA7ED THAT APPROXIMATELY 2 EMPLOYEES WILL BE NEEDED AT THE LARGEST SHIFT PARKING LOT/TRAVELWAYS: CURB & GUTTER UTILITIES (WATER AND SEWER): COUNTY PUBLIC WATER AND SANITARY SEWER AGRICULTURAL/ FORESTAL DISTRICT: NONE IMPERVOUS AREAS: BUILDING - PHASE I = 3,000 SF, PAVEMENT -5,100 SF SIDEWALK -800 SF OPEN SPACE.• NONE UNDEVELOPED AREA: 20,800 SF - FUTURE PHASE H DEVELOPMENT AREA PARKING REQUIRED: 1 SPACE/400sf FOR RETAIL SALES AREA = 1 SP/400sf x 3,000sf = 8 SPACES 1 LOADING SPACE / 8,000 SF = 1 LOAD SPACE REQUIRED PROVDED: 10 PARKING SPACES (THIS INCLUDES 1 HANDICAP SPACE) & (1) LOADING SPACE BURIAL SITE. NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE IMPERVIOUS AREAS. 8,900 SF (0.20 AC) TOTAL PAVED PARKING AND CIRCULATION AREA: 5,100 SF FIRE FLOW: AN EXISTING FIRE HYDRANT IS LOCATED ON THE ADJACENT PROPERTY, AS SHOWN AND LABELED ON SHEET 4. THIS FIRE HYDRANT WILL PROVIDE FIRE PROTECTION FOR THE PROPOSED BUILDING. SLEEP NUMBER - CHARLOTTESVILLE u TMP 61-134 N/F CAVALIER COUNTRY BANK ZONING - COMMERCIAL OFFICE USE - BANK DB 527 PG 43 DB 327 PG 228 (PLAT) DB468 PG 456 (PLAT) VSMP PLAN (WP02020-00038) RIO MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA SEMINOLE TRAIL — ROUTE 29 VAR. WIDTH PUBLIC RIGHT-OF-WAY (HIGHWAY PLAT BOOK I PAGE 227) ---950'+/- TO BRANCHLANDS BLVD I\ NEW PARCEL y TOTAL AREA: \ _ 0.28 ACRES 1 II i T, L I I I TMP 61-129 N/F J.C. PENNEY PROPERTIES, INC ZONING - PUD E - SHOPPING CENTER DS 1908 PG 726 DB 4355 PG 625 (DESCRIPTION IN DEED OF TRUST) NOTES: CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON THE PLANS, IF THERE APPEARS TO BE A CONFLICT, AND UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLANS. THE CONTRACTOR MUST LOCATE ALL SURFACE AND SUB -SURFACE UTILITIES PRIOR TO ANY WORK ONSITE. ANY SIDEWALK AND/OR CURB DAMAGE IDENTIFIED IN THE SITE VICINITY DUE TO PROJECT CONSTRUCTION ACTIVITIES AS DETERMINED BY THE VDOT INSPECTOR SHALL BE REPAIRED AT THE CONTRACTOR'S EXPENSE. SIDEWALK WILL BE REPLACED AT THE DIRECTION OF THE VDOT INSPECTOR. ANY EXISTING SIDEWALK THAT IS CURRENTLY DAMAGED AND IN NEED OF REPAIR OR NOT IN COMPLIANCE WITH CURRENT STANDARDS SHOULD BE REPLACED AS PART OF THIS PROJECT AS WELL. IN ADDITION, ANY EXISTING CC-12S ALONG THE PERIMETER OF THE SITE SHOULD BE UPGRADED TO MEET CURRENT STANDARD IF NEEDED. ALL SIGNING AND PAVEMENT MARKINGS SHALL BE CONSISTENT WITH THE MUTCD. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING DEPARTMENT. TMP 61-134A N/F ALBEMARLE BANK AND TRUST COMPANY )08 ACRES NO - PDSC RESIDUE PARCEL TMP 61-134A TOTAL AREA: 0.61 ACRES SHEET LAYOUT SCALE: 1" = 30' TRAFFIC GENERATION CALCULATIONS: TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL 10TH EDITION PROPOSED 3,000 SF RETAIL STORE (FURNITURE STORE) (CODE 890) ADT: 19 VPD (10 ENTER/9 EXIT) AM PEAK: 1 VEHICLES PER HOUR PM PEAK: 2 VEHICLES PER HOUR ENTRANCE CORRIDOR NOTES AND REQUIREMENTS: 1. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BE ELIMINATED. 2. ALL SIGNS FOR THE SITE SHALL BE REVIEWED AND APPROVED BY ARB UNDER A SEPARATE SIGN APPLICATION. BUILDING NOTES: 1. PROPOSED BUILDING HEIGHT (PHASE 1): MINIMUM HT.=20' 2. PHASE I BUILDING FOUNDATION TO BE CONSTRUCTED TO SUPPORT MULTIPLE STORIES. q� L ❑ IJ❑ ❑ 71 TMP 61-129 N/F J.C. PENNEY PROPERTIES, INC ZONING - PUD USE - SHOPPING DB 1908 PG 726 DB 4355 PG 625 (DESCRIPTION IN DEED OF TRUST) 0.1 q EE11 PROJECT SITE VICINITY MAP SCALE: 1" = Low Sheet List Table - SITE PLAN Sheet Number Sheet Title 1 COVER 2 EXISTING CONDITIONS & DEMOLITION PLAN 3 EROSION & SEDIMENT CONTROL PLAN NARRATIVE & DETAILS 4 PHASE I EROSION & SEDIMENT CONTROL PLAN 5 PHASE II EROSION & SEDIMENT CONTROL PLAN 6 PHASE III EROSION & SEDIMENT CONTROL PLAN 7 STORMWATER MANAGEMENT PLAN 8 STORMWATER MANAGEMENT DETAILS R LEGEND ROADS TOTAL NUMBER OF SHEETS EXISTING CULVERT CUL VERT u Q DROP INLET & STRUCTURE NO. CURB CURB & GUTTER PROPOSED PAVEMENT EC-3A DITCH DEPTH OF EC-3A DITCH EC-2 DITCH 6" DEPTH OF EC-2 DITCH EARTH DITCH DRIVEWAY CULVERT + BENCH MARK — — — — — CLEARING LIMITS T VDOT STANDARD STOP SIGN - - - -200- - - - EXISTING CONTOUR 200 PROPOSED CONTOUR 240.55 PROPOSED SPOT ELEVATION TBC DENOTES TOP/BACK OF CURB TAB DENOTES TOP OF BOX APPROVED by the Albemarle County Community Development Department 7/28/21 Date File WP0202000038 APPROVALS DATE DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNER/ZONING ENGINEER INSPECTIONS ARB DEPARTMENT OF FIRE RESCUE ALBEMARLE COUNTY SERVICE AUTHORITY VIRGINIA DEPARMENT OF TRANSPORTATION HEALTH DEPARTMENT SCOTT/R. CULLINSZ Lic. No. 035791,a A 07/09/21 _j ZZ w w O O > k V V 0 i a Z _ o a Co � z z 2 7 7 d v, o 0 w Z"Zw> cn z Oa U) w w U) > z F- LU oe a ~ 0. 0. J \ z / o o z w w W CD N n W ON ON .--i .--i O N O n o o �A zCIN < M J N C M G W W � w N J z � v , a LU L 0 oC J Lu z> Q Q 0 w U U LU Ul F-' G ZW _ � z JF-' w w 'J^ O V / O N U Lu 0 _ a cn IMIX: SCALE AS SHOWN SHEET NO. 1 .13 - ST T Frl DF�� SE/ 41NOLE TRAIL e ROUTE 29 U oscoTT R. LL1Nsz �J Lic. No. 035791 / sTRM MH / // / / VAR. WIDTH PUB' -IC RIGHT OL-WAY I I / �� 7/v/2o w� / TOP=464.63 0 / / / / (HIGHWAY PLAT/BOOK PAGE 227) / °��ss / INV IN (24")=458.43 / STRM MH / I �� �\� / ` ( STRM MHI / ZONAL S INV IN (18")=458.33 / TOP=466.85 13.34 L.F. 18J' RCP @ ^� \ R TOP=476 76 / NV OUT=458.23 8.77/dv `� PORTION OF EXISTING EX 1 (ST M DI) \ O J INV IN=4I70.21 I / s INV IN (18"x2)=460.75 I `X` STRM MH SIDEWALK TO BE \ TOP=471.�9 /_ / o / INV IN (24")-460.70 ' �� I TOP=469.64 REMOVED \ INV IN=466.34 INV OUT 470.26 NV OUT=460.65 STRM DI ��� `INV IN-464.09 �� +�- T0-� INV OUT=466.0q� \ ' d TOP-466 42 \ IN\kOUT=464.09 BRANCHLANDS BLVD \ \ W W s INV OUT=461. 2 �^ \ W W A 0 \ 164.32 L.F."RCP @ 2.39s sr F @F I r / o ,• 24 L s T T >•- _ 4 • . , e • s .. e , . e S(2 v y/, �i; i. i $T �4' RCP 40� .4 % -J Z .04 L. S ST ST ST , .. -_ •' .-' ' .lam ST `.. T to J r 3 � 24 RCP 2.47� � / � sr 118.05 L.F. 24" RfP-@ 2.87% IRS - �2.2�TF. 18" RCP @ / _ o• / k • ��- - - - � �_ _ _ - N 35 00'00" E 125.56'� = � -- o 9.21% / �- - - IF ©/ ,/ i %/_ _ Ga l ® / STf�M DI / W / o / - \ / (�- \\ I 7 17 L.F. 24" RCP TOP-478.75 � m - - - - - o 4.�i4 - I - (\ A \\ P. N� IN U z / ° ° EXISTING SIDEWALK TO \� \\\ ® @ 2.58% T=472.10 Z w \ / EX. VDOT R/W \ \ \ \ L \ i o a / �' BE REMOVED ��v V A / T W/61 -1 29 / 0 2 � STRM DI / � - / �CISTING WATERLINE / / TW-74.5 a V� \� A VA ���� i % > -LO�=466 13_ STRM GRATA EP-70. %� \1 //F J.C. PENNEY / / ,�"A� W a INV OUT=460.38 TOP=46�'86 / / / INS O-T=463.59 - 1 \ PROPERTIES,_44C vl r / � - � / ZONING�PUD EXISTING FIRE HYDRW / - - - �/ �/ USES SHOPPING CENTER / / / / EP�71.2 - v DB 1908 PG 726 W 18,58 L.F. 18" / / / BLOCK / - - - ec @ 15.29%/ � / " � / WALL / DB 4�55 PG 625 --- T7 o q� \ (a-ESCRIPTION IN / / / / / � / EXISTING CURB AND / , / / - - -- � / �" � - � � /DEED OF TRUST) / GUTTER TO BE REMOVED EXISTING% BLOCK WA4----- / / EX. P/L \ II 1 / / EP-71.7 TO BE REMOV� / o v / \ / V 7 - / o �TW- / _--/ / �- ^� / / / -� i / / rl _ 5 N - - ^/ w-7 ---- - - - 4 _--- I--------- ---- �- TMP 61-134 -- --- - � o SYMBOL LEGEND / / N/F CAVALIER COUNTRY BANK MANA_G_EDSL_OPES \ IRS IRON ROD SET / / ZONING - COMMERCIAL OFFICE (/1 / SIGN - - - W // // / \ \ �I ON,Z E y� / / USE - BANK J� - --- --- �- � > UTILI POLE --49r- - GUY POLE / DB 527 PG 43 � - / GUY WIRE / \ � DB 327 PG 228 (PLAT) / \ RCP STORM MH / ELECTRIC VAULT / DB 468 PG 456 (PLAT), w_ / / REINFORCECONCRETE PIPE cc&c / / CO�ICRM CURB & GUTTER \ \ I �D Q \ M FENCE _ BANK OVERHEAD ELECTRIC UTILITY/ / - - - - r _ / WATERLINE / / / / / llllllll�l N D TR$�-MA-R1,E USTCOMPANY �� a / 0.908 ASS -\ MANACED,sLOPEs O W Ze�G_PDSC - - - - - -- O - 496 - N zi--I NOTES: ------------------- / ' J 1 . THIS PLAT HAS BEEN PREPARED WITH THE BENEFIT OF A TITLE REPORT BY / � / ----- I ' ^ AN - / -- ///// - - _ / V' MANAGED SLOPES � �' STEWART TITLE GUARANTY COMPANY, COMMITMENT NUMBER 19000090147, / / - - I -_ - - EFFECTIVE DATE AUGUST 19, 2019 8:00 A.M. - i5 2. ALL DEED AND PLAT REFERENCES SHOWN ARE RECORDED IN THE ALBEMARLE _�' � � - - - COUNTY COURTHOUSE. ! --- _ / 0 - - - - _ _ _ - ----- _ _ 3. FOR ALL PARCELS SHOWN HEREON, THIS PLAT HAS BEEN PREPARED FROM AN = ___ - - _ _ � %' 016 ACTUAL FIELD SURVEY DONE AS FOR ALL PARCELS SHOWN HEREON, THIS PLAT ' \ \ - - - W T / / /L9 AS PER THE DATE OFTHISPLATEPARED FROM AN USING MONUMENTS CFOUND TUAL FIELD EXIST AT THE ETIME OF THIS SURVEY, IRON ROD �V / / _ THERE ARE NO VISIBLE EASEMENTS OR ENCROACHMENTS EXCEPT AS SHOWN, - / J _ _ ' - z 7 � I � � FOUND V A \ � \ --- / /// �1 SUBJECT TO NOTE 1. - - % V - / \ \ / O 4. THE TOPOGRAPHY BY RGA SHOWN IS BASED ON A FIELD SURVEY COMPLETED BY - - 1 (HELD) \ / o Q a 1--I OCTOBER 17, 2019. x 5. THE AREA SHOWN HEREON APPEARS TO BE LOCATED WITHIN FLOOD ZONE X C) (UNSHADED), WHICH IS AN AREA OF MINIMAL FLOOD HAZARD AS SHOWN ON FEMA o W U COMMUNITY l THUS DETERMINATION PNASNENOMADEEOOB3Y 0RR8D GRAPHIC THODSNLY.AAN ELEVATION / / / / \ A �- V� i o •� 1 Q STUDY S 0 BEEN S 0 0 0 S PROJECT./ / I I \ /� �SUn / W U 6. SUBJECT PROPERTY IS ZONED PD-SC (PLANNED DEVELOPMENT SHOPPING / \ S \ / CENTER). PER ALBEMARLE COUNTY GIS, SUBJECT PROPERTY LIES WITHIN THE / \ 6 / FOLLOWING OVERLAY DISTRICTS: AIRPORT IMPACT, ENTRANCE CORRIDOR, AND / I / I I \ \ TVP 61 129 \ �38 \ ^ \ \\ / / ul �yw1 Z / MANAGED STEEP SLOPES I \ \ \ 2S[', I I I 7. THE PARCEL SHOWN WILL BE SERVICED BY PUBLIC WATER AND SEWER. \ \ ",N/F J.G., PENNEY � � W 8. THERE ARE NO KNOWN IDENTIFICATIONS OF GRAVES, OBJECTS, OR STRUCTURES \ \ \ I \ r�-ROPERTI'ES, INC \ \ \ \ / / // W (n MARKING A PLACE OF HUMAN BURIAL ON THE SUBJECT PROPERTY. \ 1 \ Z0�0 SIG - PUD _ 79 �. \ o / / (x 7� x 9. THE MINIMUM BUILDING SETBACKS ARE PER ALBEMARLE COUNTY CODE. \\ \ \ \ \1 \ \ US%- S O\PPING CENTER - - \ \ ,8�, \ \ \ \ - - / / / / /// z W 10. THE SUBJECT PARCEL HAS LEGAL ACCESS TO U.S. ROUTE 29 (SEMINOLE TRAIL). Utz 1908 G 726 / / 1 1 . PLAT OF RECORD FOR SUBJECT PARCEL SHOWS THE NORTHWEST AND SOUTHEAST \ \ \ I \ \ > / DB � 55 PG\625 \ \I % SIDE LINES BEING 214.5' AND 307.5' RESPECTIVELY. FIELD FOUND EVIDENCE OF 1 I / �� DES IPTION TN / / ADJOINING PARCELS APPEAR TO REFLECT A 5' RIGHT-OF-WAY TAKE ALONG - / / \ ( OF \ \ // /j/ / / w SEMINOLE TRAIL - U.S. ROUTE 29 BUT A RIGHT-OF-WAY TAKE WAS NOT FOUND / \ DEED 0 \TRUST) / / / IN THE TITLE REPORT OR IN A SEARCH OF COUNTY RECORDS. FOR THE PURPOSE / / OF THIS SURVEY, PARCEL AREAS AND LEGAL DESCRIPTION INCLUDES THE 5' STRIP �/1 AS A PORTION OF THE SUBJECT PROPERTY. V \ / LEGEND: METES AND BOUNDS DESCRIPTION: \ \ l \ \ / TMETAL A ROW MF IF IRON PIN FOUND IRON MF MONUMENT FOUND BEGINNING AT A POINT (MARKED P.O.B.), SAID POINT BEING SITUATED IN THE \ \ \ / / WITH FENCE CP CONCRETE PAD EASTERN RIGHT-OF-WAY OF U.S. ROUTE 29, SEMINOLE TRAIL. THENCE, ALONG THE \ \ \ \ \ / P T CW CONCRETE WALK EASTERN RIGHT-OF-WAY OF SEMINOLE TRAIL N 35°00'00" E FOR A DISTANCE OF ^ \ \ \ \ \ \ / / (0.77' ST OF _- DI STORM SEWER DROP INLET 125.56 FEET TO POINT. THENCE LEAVING SAID SEMINOLE TRAILS 55°11'57" E FOR \ \ \ _ CO ER) \ // W ~ GUY GUY WIRE AND ANCHOR A DISTANCE OF 307.50 FEET, PASSING AN IRON PIN FOUND (IF) AT 5.45 FEET, A \ \ \ \ \ - - - STRM DI / / _ _ _ W LP LAMP POST CORNER OF TMP 61-129, N/F J.C. PENNEY PROPERTIES, INC. AND CONTINUING / \ \ \ 1 \ TOP=505.57 \ \ / /j/ / a m MH MANHOLE WITH SAID J.C. PENNEY PROPERTIES, INC. TO A METAL ARROW FOUND ON \ \ \ INV=500.98 OH OVERHEAD UTILITIES MONUMENT (MF). THENCE CONTINUING WITH SAID J.C. PENNEY PROPERTIES, INC. S roe No. \ 1 \ \ / // / / SSL N SIGNAL POLE & BASE 64°38'24" W FOR A DISTANCE OF 197.84 FEET TO AN IRON PIN FOUND (IF) SAID \ \ \ HORIZONTAL GRAPHIC SCALE � \ 1 /�// / / / 192036 IRON PIN BEING A COMMON CORNER OF SAID J.C. PENNEY PROPERTIES, INC. AND \ \ \ 25.4 15" RCP 15" RCP SS SANITARY SEWER \ / / WITH TMP 61 -134, N/F CAVALIER COUNTRY BANK. THENCE LEAVING SAID J.C. \ \ \ zo o io zo ao o @ 7 % \ / / SCALE ST STORMWATER PENNEY PROPERTIES, INC. AND CONTINUING WITH SAID CAVALIER COUNTRY BANK N \ \ \ UP UTILITY POLE \ / / / / 1"=20' 42'48'10" W FOR A DISTANCE OF 214.50 FEET, PASSING A COMMON CORNER WITH \ \ \ / VLT UTILITY VAULT \ \ \ I / WL MARK WATERLINE SAID CAVALIER COUNTRY BANK AT 209.56', AND LEAVING SAID CAVALIER COUNTRY \ \ \ \ \ (ix FEET) STRM H ✓ - BANK TO THE POINT AND PLACE OF BEGINNING, HAVING A TOTAL AREA OF 0.908 \ \ 1 i chi 20 ft. TOP=504. STRM ICI SHEET NO. YH YARD HYDRANT \ \ \ OP - ACRES 60 / ACRES OR 39,547 SQUARE FEET, MORE OR LESS. \ \ \ \ INV IN=49�1 INV=5 0.90 2 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH 7HE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING 3.01 SAFETY FENCE., A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CON7ROL MEASURE. TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY 7HE PUBLIC. APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC. 3.02 CONS7RUC77ON ENTRANCE.., A STABILIZED CONS7RUC77ON EN7RANC£ LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTTUC77ON SITE. TO REDUCE 7H£ AMOUNT OF MUD 7RANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. CONS7RUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT 7RANSPORTED ONTO PUBLIC ROADWAYS. 303 CONS7RUC770N ROAD STABILIZA770N: THE 7EMPORARY STABILIZATION OF ACCESS ROADS, SUBDIVISION ROADS, PARKING AREAS, AND 07HER SITE VEHICLE TRANSPORTA77ON ROU7ES WI774 STONE IMMEDIATELY AFTER GRADING. TO REDUCE EROSION OF TEMPORARY ROADBEDS BY CONSTRUCTION TRAFFIC DURING WET WEA7H£R AND TO REDUCE EROSION AND SUBSEQUENT REGARDING OF PERMANENT ROADBEDS BETWEEN THE 77M£ OF INI77AL GRADING AND FINAL STABILIZAT70N. USE WHEREVER STONE -BASE ROADS OR PARKING AREAS ARE CONSTRUCTED, WHETHER PERMANENT OR TEMPORARY, FOR USE BY CONSTRUCTION 7RAFFIC. 305 SILT FENCE: A 7EMPORARY SEDIMENT BARRIER CONSIS77NG OF A SM7HE77C FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND EN7RENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LAVING THE SITE, AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICA 7ED. 774EY SHALL BE INSPEC7D IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE W9774 7HE VIRGINIA EROSION & SEDIMENT CON7ROL HANDBOOK (VESCH). 3.07 STORM DRAIN INLET PROTEC770N: A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET. TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SY37EMS PRIOR TO PERMANENT STABILIZA7ON OF THE DISTURBED AREA. INLET PR07EC77ON APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERA77ONAL BEFORE PERMANENT STABILIZATION OF 774E CORRESPONDING DISTURBED DRAINAGE AREA. 309 TEMPORARY DIVERSION DIKE., A 7EMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT 7H£ TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE TEMPORARILY D/WR7ED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON SITE DURING CONS7RUC770N. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAIN7ENANCE. 3.11 TEMPORARY RIGHT-OF-WAY DIVERSION., A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL CONSTRUCTED ACROSS DISTURBED RIGH7S-OF-WAY AND SIMILAR SLOPING AREAS TO SHORTEN THE FLOW LENGTH WITHIN A SLOPING RIGHT-OF-WAY, 7HEREBY REDUCING 7HE EROSION P07EN77AL BY DIVER77NG STORM RUNOFF TO A STABILIZED OUTLET. GENERALLY, EAR7HEN DIVERSIONS ARE APPLICABLE WHERE THERE WILL BE LITTLE OR NO CONSTRUCTION TRAFFIC WITHIN 774E RIGHT-OF-WAY. GRAVEL STRUCTURES ARE MORE APPLICABLE TO ROADS AND 07HER RIGHTS -OF -WAY WHICH ACCOMMODATE VEHICULAR TRAFFIC. J..13 TEMPORARY SEDIMENT TRAP., A TEMPORARY PONDING AREA FORMED BY CONSTRUC77NG AN EARTHEN EMBANKMENT K17H A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED AREAS WHERE 7HE TOTAL CONTRIBU77NG DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER 7HAN 18 MONTHS, AND IT MAY BE CONSTRUCTED EITHER INDEPENDENTLY OR IN CONJUNC77ON K17H A TEMPORARY DIVERSION DIKE. J..18 OUTLET PR07EC770N., STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT THE OUTLETS OF PIPES OR PAVED CHANNEL SEC77ONS. TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE P07EN77AL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMW47ER FLOWS. APPLICABLE TO THE OU7LETS OF ALL PIPES AND ENGINEERED CHANNEL SEC77ONS. J..19 RIPRAP: A PERMANENT EROSION -RESISTANT GROUND COVER OF LARGE LOOSE, ANGULAR STONE WITH FILTER FABRIC OR GRANULAR UNDERLINING TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF SLOW THE VELOCITY OF CONCEN7RATED RUNOFF WHILE ENHANCING THE POTENTIAL FOR INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS. USE WHEREVER SOIL AND W47ER IN7£RFACE AND 7HE SOIL COND177ONS, WA7ER TURBULENCE AND VELOCITY, EXPEC7ED VEGETA7VE COVER, ETC., ARE SUCH THAT 7H£ SOIL MAY ERODE UNDER 7H£ DESIGN FLOW CONDITIONS. 331 TEMPORARY SEEDING: 7HE ESTABLISHMENT OF A TEMPORARY VEGETA77W COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTA770N BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNS7REAh4 OR OFF -SITE AREAS, AND TO PROVIDE PROTEC77ON TO BARE SOILS EXPOSED DURING CONS7RUC77ON UN77L PERMANENT VEGETA77ON OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 332 PERMANENT STABILIZA7ON, THE ESTABLISHMENT OF PERENNIAL VEGETA7W COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MA7ERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONS7RUC77ON AC77VI77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA7VE COVER. 3.38 TREE PRESERVAT70N AND PROTECRON.• PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTION AC770TY. TO ENSURE 774E SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFEC77VE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PR07EC770N, LANDSCAPE BEAU77FICA770N, DUST AND POLLU77ON CONTROL, NOISE REDUC770N SHADE AND 07HER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING AC77WRES. 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, D£M0LI77ON AND CONSTRUCTION AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE 7H£ PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEAL 7H HAZARDS, TRAFF7C SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONS7RUC770N. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WI7H 7HE VESCH. GENERAL SLOPE (3:1 OR LESS) TOTS KENTUCKY 31 FESCUE 128 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP 20 LBS. SEASONAL NURSE CROP 150 LBS FEBRUARY 16 THROUGH APRIL ANNUAL RYE MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET AUGUST 16 THROUGH OCTOBER ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15 WINTER RYE NOTES: 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32. 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35. PS PERMANENT SEEDING SCHEDULE NO SCALE (STD. & SPEC. 3.32 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) EROSION CONTROL NOTES DESCRIPTION OF EROSION & SEDIMENT 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE CONTROL MEASURES: PRE -CONSTRUCTION CONFERENCE ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND EROSION AND SEDIMENT CONTROL MEASURES: MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA IT IS AN77CIPATED TO USE A CONSTRUCTION ENTRANCE, RIPRAP, OUTLET PROTECTION, EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VIZ DIVERSIONS, SEDIMENT TRAPS, AND SILT FENCES TO CONTROL SURFACE DRAINAGE. 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. TEMPORARY SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR ACTIVITIES. TEMPORARY STOCKPILE AREAS ARE NOT BE REQUIRED WI774 THIS PROPOSED 4. AS THE FIRST STEP INCLEARING A COPY OF THE APPRROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE DESIGN. SHOULD FIELD ADJUSTMENTS NECESSITATE A SMALL STOCKPILE AREA, IT SHALL MAINTAINED ON THE SITE AT ALL TIMES. BE DISCUSSED WITH THE ESC INSPECTOR AHEAD OF TIME. THE STOCKPILE WILL NEED TO 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER 774AN BE MAINTAINED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO OFF -SITE BORROW OR SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS MORE. SELECT/ON OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. DETERMINED BY 7HE PLAN APPROVING AUTHORITY. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST AT ALL 77MES DURING LAND DISTURBING AC77VITES AND DURING S17F DEVELOPMENT GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION UNTIL FINAL STABILIZATION 1S ACHIEVED. OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY 3.01 SAFETY FENCE- TO DISCOURAGE ACCESS TO A PARTICULAR AREA. AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR 3.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. BMADE IMMEDIATELY. 10. ALL L FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 3.03 CONSTRUCTION ROAD STABILIZA7ON - TO REDUCE THE EROSION OF TEMPORARY 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL ROADBEDS BY CONSTRUCTION 7RAFFIC AND TO REDUCE THE EROSION AND SUBSEQUENT SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND REGARDING OF PERMANENT ROADBEDS BETWEEN THE 77ME OF INITIAL GRADING AND FINAL OTHER DEBRIS. STABILIZATION. CONSTRUCTION ROAD STABILIZATION WILL BE APPLIED TO THE 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION CONTRACTOR PARKING & STAGING AREAS AS NEEDED. PER ZONING ORDINANCE SECTION 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 3.05 SILT FENCE- SILT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS. OF THE CODE OF ALBEMARLE. 3.07 STORM DRAIN INLET PROTECTION- INLET PROTECTION IS PROPOSED ON INLETS, 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT WHERE SHOWN ON THE PLANS. SHALL BE LIMITED TO THE HOURS OF 7.•00 AM TO 9:00 PM. 3.09 DIVERSION- PERIMETER DIVERSIONS ARE PROPOSED WHERE SHOWN ON THE PLANS 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT TO DIRECT RUNOFF INTO A SEDIMENT TRAPPING DEVICE. MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY 3.13 SEDIMENT TRAP- SEDIMENT TRAPS ARE PROPOSED WHERE SHOWN ON THE PLANS. PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 3.18 OUTLET PRO 7EC 77ON- OU TLET PROTECTION IS PROPOSED AT THE OUTLET OF PIPES 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR 3.19 RIPRAP- RIPRAP IS PROPOSED AROUND THE EXISTING DI. CONVERT TO PERMANENT STORMWATER MANAGEMENT FACIL177ES WHERE APPLICABLE 3.32 PERMANENT SEEDING -PERMANENT SEEDING IS REQUIRED AND PROPOSED WITH THIS ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE PLAN. SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING 3.38 TREE PRESERVATION AND PROTECTION- TREE PROTECTION IS PROPOSED WITH THIS 1S TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO PLAN. SEE THE ESC PLAN FOR THE REQUIRED LOCATIONS. CONSIST A 50/50 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH 3.39 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN. AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALENRNA7VES MAINTENANCE.• ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. IN GENERAL, DURING CONSTRUCTION THE RLD OR CONTRACTOR ON -SITE WILL CHECK ALL I& PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RLD IF NEEDED. SPECIFIC INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT ATTENT70N WILL BE GIVEN TO THE FOLLOWING ITEMS 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING o.SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 95X KENTUCKY 31 OR TALL WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. FESCUE AND 0-5% PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS b.ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT WILL TO BE APPLIED AT 8OLBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVAL BY 774E PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL EROSION CONTROL INSPECTOR. WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. 19. MAINTENANCE ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 5OX OF THE WET STORAGE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN OF THE BARRIER. NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION d.ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND 1S DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. AND REPAIRED IMMEDIATELY. IN CASE OF EMERGENCY, 774E PRIMARY CONTACT FOR THE PROJECT WILL BE 774E RLD OR 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED CONTRACTOR ON -SITE. IN ADDITION THE OWNER MAY BE CONTACTED. UPON COMPLETION WITHIN 30 DAYS OF FINAL S17F STABILIZA770N, WHEN MEASURES ARE NO LONGER OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE FOR SITE MAINTENANCE. NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 21. THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E&S CONTROLS AS NECESSARY IN 7HE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. SOIL DESCRIPTION 278-EUOAK LOAM-2 TO 7X SLOPES SOIL IS WELL DRAINED WI774 A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER /S TYPICALLY LOAM AND ABOUT 0-8" THICK. 774E DEP774 TO 774E WATER TABLE IS GENERALLY MORE THAN 80". 34C-GLENELG LOAM-? TO 15X SLOPES SOIL /S WELL DRAINED WITH A MEDIUM RUNOFF CLASSIFICATION. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-8" THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80". 91 -URBAN LAND-0 TO 25X SLOPES MEDIUM RUNOFF CLASSIFICAT70N. 10" DEPTH TO DENSIC MATERIAL. REFERENCE.WEB SOIL SURVEY ONLINE DATABASE, FOUND AT h ttp: //websol/survey nres. usda. gov/app/WebSollSurvey. aspx EROSION CONTROL NOTES ES 1: UNLESS OTHERWISE INDICATED ALL VEGETA7VE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTCES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS ES-2: THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY AND ONE WEEK PRIOR TO 774E FINAL INSPECTION. ES-3: ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. ES-4: A COPY OF 774E APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL 77MES ES-5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING ACTVTES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES-8. DURING DEWATERING OPERA PONS, WATER WILL BE PUMPED INTO AN APPROVED WATER FILTERING DEVICE. ES-9:7HE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. FILTER FABRIC ENTRENCHED 6" COMPACTED SOIL I' 3. MflmnjtM I I =III=III - 1=III=III-III= - -III=III=III-III=III-III-III-III =11 I I I=1I 1=1 I1=1 11=1 11=1I 1=1 11=1 11=1I 1=1 I1=1 ter 10 - =III=III=1 I1=1 =1 I1=1 1=1-1 I1=1 1=1-1I 1=1 I1=1 1=1 - I I=1 11=1 11=1I 1=1 11=1 11=1I 1=1 I I 11=1I 1=1 I1=1 11-1 11=1I 1=1 11= _- II 11=III=III=III=III=III=III=III=III-III III -III -III= - 1I I I I I -I I1=1 I I III -I 11=1 I I I I I=1I I-1 I1= I= I I I III III III Ili III III - IIII III -III -III I =' 6' MINIMUM 0o TEMPORARY 18" DIVERSION BERM DI$GHARGE AREA `IRlue®MW� B ENIDHNTA DOF DEVICE POINTED UPHILL TO PREVENT II EN0,11,14 ND FLOW - (�. 18"DIAMETER � (AL 2 (ALSO AVAILABLE INS', 17 AND 24' LE IN , IT AND DIAMETERS f 1 y XTX38` WOODEN STARS fS i cEn a PLA o c FAT LAW ED OF DEVICE PONIED DOWNHI LL TO PREVENT PONDING ---- I TOTES, . REMOVE SEDIMENT FROM THE UPSLOPE SIDE OF THE SOXXn WHEN ACCUMULATION HAS REACHED 12 OF EFFECTIVE HEIGHT OF SO)O(' 2. SLOPES GREATER TT1/1N 5%MAY REQUIRE ADDITIONAL STABILIZATION PRACTICES 3. SOXX"I MAY BE SEEDED AT THE TIME OF INSTALLATION FILTREXX® RUNOFF DIVERSION - MAX. WATER LEVEL MINIMUM FREEBOARD 18" DIAMETER FILTREXX® SOI (ALSO AVAILABLE IN W, 12" AND 24- DIAMETERS) 2' X TX 36' WOODEN STAKES PLACED 10' O.C. SINGLE INSTALLATION SECTION NTS LTREXX® RUNOFF DIVERSION SECTION EROSION CONTROL NOTES & NARRATIVE PROJECT DESCRIPTION: THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY IS FOR THE CONSTRUCTION OF A PARKING LOT AND A 3,000 SF RETAIL BUILDING. THIS PROJECT PROPOSES TO DISTURB 1.14 oc. OF LAND WITH 0.56 ACRES OF ONSITE DISTURBANCE AND 0.58 ACRES OF OFFSITE DISTURBANCE. THE PROJECT WILL BEGIN ITS CONSTRUCTION WITH THE PROPOSED ESC MEASURES IMMEDIATELY FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO BE IN THE FALL OF 2020. THE WORK IS ANTICIPATED TO BE COMPLETED WITHIN 12 MONTHS AND TO CONCLUDE IN THE FALL OF 2021. EXIS77NG SITE CONDITIONS.' THE AREA OF THE PROPOSED DEVELOPMENT IS VACANT LOT MOSTLY COVERED BY DENSE VEGETATION. THE SITE GENERALLY SLOPES FROM THE SOUTHEAST TO THE NORTHWEST TOWARDS SEMINOLE TRAIL ROUTE 29. ADJACENT AREAS: THIS SITE IS BORDERED TO THE NORTH AND WEST BY THE FASHION SQUARE MALL ENTRANCE AND PARKING LOT. TO THE SOUTH IS THE BRANCH, BANKING & TRUST BUILDING AND TO THE EAST IS SEMINOLE TRAIL ROUTE 29 NORTHBOUND LANES. SILT FENCE DIVERSIONS SEDIMENT TRAPS INLET CONTROLS AND VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE POTENTIAL FOR CONTAMINATION OF THESE ADJACENT PROPERTIES. OFFS17E LAND D/S77JRBANCE.' OFFSITE LAND DISTURBANCE IS LIMITED TO PUBLIC RIGHT-OF-WAY. SOILS: SEE SOIL DESCRIPTIONS ON THIS PAGE AND THE PHASE I EROSION & SEDIMENT CONTROL PLAN FOR SOIL BOUNDARIES. CRI77CAL AREAS" THE MANAGED STEEP SLOPES AT THE SOUTHERN PORTION OF THE SITE ARE CONSIDERED TO BE CRITICAL. THE CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAUTION IN AND AROUND THESE AREAS TO ENSURE CONSTRUCTION ACTIVITY DOES NOT DIS77JRB THESE EXISTING FEATURES. TREE PROTECTION FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT TRAPPING DEVICES SHALL ALSO BE INSTALLED AS A FIRST STEP IN LAND DISTURBANCE TO ENSURE THESE CRITICAL AREAS ARE MAINTAINED. SEQUENCE OF C0NS7RUCT70N: 1. CONTRACTOR SHALL NOTIFY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO SCHEDULE A PRE -CONSTRUCTION MEETING. 2. PRIOR TO DISTURBANCES, THE LIMITS OF DIS77JRBANCE SHALL BE FLAGGED AND THE TREE PROTECTION FENCING SHALL BE INSTALLED. J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT 4. INSTALLATI0N OF THE PROPOSED CONSTRUCTION ENTRANCE SHALL OCCUR NEXT. THE CONTRACTOR SHALL APPLY CONSTRUCTION ROAD STABILIZATION AS NEEDED. CONTRACTOR SHALL ENSURE THE CONSTRUCTION ENTRANCE DRAINS TO AN ADEQUATE E&S MEASURE. THE CONTRACTOR SHALL UTILIZE THE NEARBY SEDIMENT TRAP FOR VEHICULAR WASH OFF. CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THE PROPOSED WASH RACK SHALL OUTFALL INTO SEDIMENT TRAP#1, AND A RIGHT OF WAY DIVERSION BERM SHALL BE INSTALLED ACROSS THE CONSTRUCTION ENTRANCE AS SHOWN TO DIRECT THE RUN-OFF INTO THE SEDIMENT TRAP. 5. THE INI77AL ESC CONSTRUCTION MEASURES, AS SHOWN ON THE PHASE l EROSION & SEDIMENT CONTROL PLAN, SHALL BE INSTALLED NEXT. THE CONTRACTOR SHALL BEGIN BY INSTALLING THE PERIMETER SILT FENCE, SEDIMENT TRAP #1, AND TREE PROTECTION. PERIMETER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. INSTALL SEDIMENT TRAP #1 AND THE PLUNGE POOL OUTFALL, AS SHOWN ON THE PLANS, TYING IN THE PLUNGE POOL TO THE EXISTING STORM INLET. 6. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS APPROVED THESE MEASURES, THE CONTRACTOR SHALL BEGIN LIGHT CLEARING. THE CONTRACTOR SHALL BEGIN BY CLEARING THE AREAS REQUIRED TO ACCESS THE LOCATION OF THE SEDIMENT TRAP. FOLLOWING THE INSTALLATION OF THESE MEASURES, THE CONTRACTOR SHALL INSTALL THE DIVERSIONS. ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN SHALL ALSO BE CONSTRUCTED AT THIS TIME. 7. ONCE ALL THE PHASE l EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS PROPERLY CONVEYED TO THESE MEASURES, AND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE CONTRACTOR CAN BEGIN CLEARING THE REMAINDER OF THE SITE TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED. 8. AFTER CLEARING THE PROPOSED AREAS, THE CONTRACTOR CAN PROCEED TO PHASE ll OF THE EROSION & SEDIMENT CONTROL PLAN. THE CONTRACTOR SHALL BEGIN ROUGH GRADING THE SITE TO THE CONTOURS SHOWN ON THE PHASE ll EROSION & SEDIMENT CONTROL PLAN. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 9. THE CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE lI EROSION CONTROL PLAN. TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED. 10. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE lS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 11. ONCE THE SITE IS ROUGH GRADED, THE CONTRACTOR SHALL BEGIN PHASE III OF THE EROSION & SEDIMENT CONTROL PLAN. THE CONTRACTOR CAN BEGIN INSTALLATION OF THE UTILITIES, CURB AND GUTTER, AND ROADS. INLET PROTECTION SHALL ALSO INSTALLED AS THE STORM SEWER IS CONSTRUCTED. INLET PROTECTION SHALL BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST BE PULLED AWAY AND CLEANED AND/OR REPLACED. 12. CONTRACTOR SHALL INSTALL SEDIMENT TRAP#2 AND THE OFFSITE INLET PROTECTION PRIOR TO THE INSTALLATI0N OF THE OFFSITE UTILITIES. THE SEDIMENT TRAP 2 SHALL REMAIN IN PLACE DURING THE INSTALLATION OF THE OFFSITE UTILITIES AND THEN REMOVED ONCE THE INSTALLATION IS COMPLETED AND THE AREA STABILIZED. THE CONTRACTOR SHALL USE THE INLET PROTECTION AND FILTREXX DIVERSION TO PREVENT SEDIMENT FROM LEAVING THE CONSTRUCTION AREA WITH THE SANITARY SEWER INSTALLA7ON ACROSS THE PARKING LOTS, AS SHOWN ON THE PLANS. SEE DETAILS FOR THE FILTREXX DIVERSION ON THIS SHEET. 13. ONCE PHASE Ill OF CONSTRUCTION IS COMPLETE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN THEN CONVERT THE SEDIMENT TRAP#1 INTO THE PROPOSED SWM FACILITY. AT THIS TIME, THE CONTRACTOR CAN REMOVE THE REMAINDER OF THE EROSION & SEDIMENT CONTROL MEASURES. NO ITEM SHALL BE REMOVED, THROUGHOUT ALL PHASES OF CONSTRUCTION, UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. 14. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 15. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. TABLE 331-B TABLE 3.39-A ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS ADHESIVES USED FOR DUST CONTROL "QUICK REFERENCE FOR AIC.L REGIONS` Water Application Rate Dilution Type of Rate Planting Dates �pecie� {lbs /acre) Adhesive (Adhesive: Water) Nozzle Gallons/Acre Sept. 1 - Feb. 15 50/50 Mix of Anionic Annual Ryegrass Asphalt Emulsion 7:1 Coarse Spray 1,200 a'Olium multi-florum) & Latex Emulsion 12.5:1 Fine Spray 235 Cereal (Winter) Rye (Secale cereale) Resin in Water 4:1 Fine Spray 300 Acrylic Emulsion Feb. 16 - Apr. 30 Annual Ryegrass 60 - 1 M (Non -Traffic) 7.1 Coarse Spray 450 (L.olium multi-florum) Acrylic Emulsion (Traffic) 3.5:1 Coarse Spray 350 May 1 - Aug 31 German Millet 50 (TSetaria italics) Source: Va. DSWC 1992 3.05 CONSTRUCTION OF A SILT FENCE (WITH WIRE SUPPORT) I. SD POSTS AND EXCAVATE A 4•X4• 2. STAPLE WIRE FENCING TO THE POSTS. TRENCH UPSLOPE ALONG THE WE OF POSTS. I t FLOW III "' III 4" 3. ATTACH THE FILTER FABRIC TO THE WIRE 4, BACKFlLL AND COMPACT THE FENCE AND EXTEND IT IWO THE TRENCH. EXCAVATED SOIL ii� /IIII //q�� IIII / FLOW / III I" =/III EMENSION OF FABRIC AND WIRE INTO THE TRENCH. FILTE4F�C IIIAWIE 1 Source: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control. Sherwood and Wyant P;i%,A t-nnstnu-fion L•ntr:mt•P fnr Prrninn r nfrnl nlanc STONE 70' MIN, CONSTRUCTION ACCESS 3" St0-2A ASPHALT TOP COURSE EXISTING 1S 2[ (-PAVEME:NT �.I•. 1'A AGGREGATE BASE PROFILE 0ASPHALT PAVED r�! c•��! ris�rs, '.-.I .•.-.IIII-d'I 12' MIN. POSI/NE DRAINAGE 22- % TO SEDIMENT TRAPPING DEVI(-I rLTER CLOTHS SECTION A -A A innianum wale lap of 1 mch wart be n0alle.t lath a utallulmt l Itch ballcock Amloff cahe supph•Im a waAi hose with a Thauteta of 1 4 inches foi adetptate colutant p1es.Tae. WaA1 w'alel ualst be tatued away from the etWaoce to All apptocetl senlutY area to taltoce salnttart All sedaued.liaU be pieA•ailed fioin eufemtgstotinchamp drtchesor watetcomses PAVED WASH RACK --E 1992 3.38 Source: Va. DSWC 1992 Plate 338-2 3.05 CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A CX 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. FLOW 4 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) Source: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control. Sherwood and Wyant Plate 3.05-2 iCOTT/R. Ct?LLINSZ Lic. No. 035791,a 12/07/20 z z w w � � J a U 0 0 f it:a on z z a 'A CL Vl U) 0 0 U z U U U) Z g w w W rL Oz Q Q 0 O N w w H > on on to > J Q Q a Of F z a a Q H C1 C1 z w U) ty / LU cl� LUW cl� 1V J F5 N N o R U w 0 a zU) I --I Q LU Q V 1 Q LU LU J Q J � H� Q (n z LU z Q J Oa �J�// J LL_ 0 �--- = z U O U LL z LU W u) z C6 z II..II..II 0 LU V V ) W W w (n 192036 SCALE 1"=20' SHEET NO. 3 12'x o' MIN. OF THE EXISTING ASPHALT \ PROPOSED RIPRAP� J U.S. ROUTE 29 (NORTHBOUND) / C� 7 \ \ \ PROPOSED ORANGE SAFETY FENCE TO ENCOMPASS / SEMINOLE TRAIL ENTRANCE SHALL REMAIN AND PROPOSED y.i \ \ PLUNGE POOL WITH SEDIMENT TRAP AND ITS OUTFALL AT ALL TIMES / o / TH Q L ` FUNCTION AS THE CONSTRUCTION \ 12" PVC RISER SEE FT PROPOSED ON ITE LIMITS OF F� DRAINAGE ARE VArcryBLE WIDTH PUBLIC R/W PROPOSEDOFFSITELIMITSOF WIDE STONE WEIR \ FOR SAFETY. INSTALL SIGNS AROUND TRAP THAT/ DISTURBANCE =0.56ACRE5 / I _ TO SEDI ENTRANCE FOR ALL THREE PHASES OUTFALL \ DETAILS, SHEET y READ "DANGER, QUICK SAND, DO NOT ENTER" / \ / - w w - DISTURBANCE=0.58ACRE5� v W W �v W _Z w - _ o lJ FTT-- IT - n s _ IT - sr _ \ \ = - \ \ \ \ \ \ \ o O Si OTTc. No. 035791 -7 - IWENO-Evisis���������������� sr sr� (� .. �; ,. sr ITSr - - - INN r s� y - / < / I - -ST-"- ST_ s \ sr �/ op 12/07/20 �4 - - ` • '', W IT -� sr _ - / � �sr-= . •. = I / s� _oN� Obi' ��' _sr_sr_ r' - ��ar• si- :.�,tJ- ;% / r_ •• --/r 'r I / o o„sr CHE SSIONAL ECG I / IP -- - ���Sr 771 / WD Y % %�- -�-W / o ' (//�-_- .. - XX RUNOFF / - - - 'It"m / / - \ a/ / El / - DETAIL -SHEET - / DIVERSION,SSEE / ^ r� 3 / / / / / / / / ■ �7-` / /���` \ \\\ �• \\ \\ - I I I \I I la J ■ IN `Nv o - - / / PROPOSED /� �) J�I \ \ \ \ / - / w w PLYWOOD BAFFLE \ \ / C - / ST1 - 4' HIGH x 64 LONG /'\I \I ---- -- - - --�: - TMP 61-129 0 + / / /. f / NSF J.C. PENNEY PROPERTIES, INC m z z Q I\ \ I DB 1908 PG 726 a / -'I - - --' / .+ / `\ \ DB-4355 fG'625_ - - �// (A O O NOTE, FILTREXX RUNOFF DIVERSION / / �' - - - / / - / c� Z v v E&S MEASURE TO BE UTILIZED FOR / / / \ / - - - / ` \ \ \ / ' / / Z w g THE OFFSITE UTILITY WORK ACROSS / / / NOTE R/W (VERSION TO BE \ TI _ 4$O / / z a a a O THE EXISTING PAVED PARKING LOTS / / PROPOSED LIMITS OF DISTURBANCE INSTALLED ACROSS ENTRANCE \ / / / / / SILT FENCE TO - - -) \ - / - - - _ o N w w -, , m m - ' / i.iy ACRES TO ENSURE RUN-OFF IS \ � / I\ `�- s � � _ / ENCOMPASS \ - - / A W > Z DIVERTED INTO SEDIMENT TRAP / - / STOCKPILE PROPOSED LOCATION / LOCATION a a a OF FUEL STORAGE / �- �' z z \ - - - - �� \ PROPOSEDLIMITSOF ISTURBANCE &_ > .. LU LU LL / PROPOSED WASH RACK SILT FENCE COINCIDES WITH EXISTING W w w TO OUTFALL INTO \ I `i I I _ Q - PROPERTY LINE oc oc lie SEDIMENTTRAP \ Yr 4-75 I , \ - / / I `��_-_.tea _ __ -- - -- -- -_ PROPOSED / TMP 61-134 _ T - LOCATION OF8 / / CAVALIER COUNTRY BANK -_ / DB 527 PG 43 I �_ DUMPSTER(s) DB 327 PG 228 (PLAT) I 41 - e. - -- - - - - - DB 468 PG 456 (PLAT) / • _ PROPOSED _ \ / O / I _ LOCATION OF - ---- P --- / - - - ORTA-POTTY CONTRACTOR PARKING - / PROPOSED 2' DEEP GRADED DEPRESSION - \ / WITH A RUBBER MEMBRANE LINING TO &STAGING AREA; - o - - - - - - / / N N CD CD N N PREVENT SOIL INFILTRATION, SHALL BE / - - - - - - PROPOSED / / 1 / / / / ^ °�° N o USED OR THE CONCRETE WASHOUT AREA // " - - - / LOCATION OF ----- Sediment / ` •- - -DRAINAGE - -- - - - -RAIN GAUGE � Trap Design 1 {{� - 48 PROPOSED OFFSITE LIMITS OF n/� ----- - -1 PHASE_I- drainage area (acres) (<3) 0.69 �� DISTURBANCE = 0.58 ACRES {{ ■ TS - \ / - - __ AREA TO SEDIMENT trap wlumes: CREST OF STONE WEIR .gyp' 1- - - 1TRAP=W69ACRES--- SF __---/ / �'/ / ele\ation (ft) area (so wlume(cf) eolume(cy) AND \ a / /' PROPOS D LIMITS OF DISTURBANCE - - - - - -- 470 231 0 0.0 y _ : - / / \\1 -4�$ / i.iyACRES - /� I / / a/ M1� 470.5 349 144 5.3 DRY STORAGE - e vmae / ////// � - ---- __- _-- I �a / - - 471 481 351 13.0 / �" - % Y \ 1 I o m 472.5 626 1,178 43.6 PROPOSED CE =o. LIMITS OF ■ 473 783 1,530 56.7 WET STORAGE ' DISTURBANCE=o.56ACRE5 Y/ - - / �- \ U-1� 473.5 950 1,963 72.7 1O���D) w%. ILIR IIITR cMGINo / / /////// x ------ -496- TP / • \ I Q H / // // // / / -- r X t` a ------ m 474 1123 2,480 91.9 an - - - - - - - - - - - - - - - - - - - - ////// / /I 474.5 1303 3,086 114.3 ,BEE ATE 3.13-1 0006C wa+cuTE� cuss I Rcwa / - -- % � \ / - - -Z / . CONTRACTOR SHALL INSTALL SILT FENCE &TREE \ O w 475 1489 3,784 140.1 / - / I X: CO ////// . PROTECTION ALONG THE REAR OF THE PROPERTY. THE SILT / - FENCE SHALL REMAIN IN PLACE UNTIL THE SEDIMENT TRAP / I I - - - U ,am- Q wet storage: . 1S CONVERTED TO A PERMANENT SWM FACILITY & THE ESC / a / / / / ^ - - _ M wet storage required (cy) (6TDA) 46.2 -= =__ _ _ -- _ - _ - -- - - - / / . INSPECTOR HAS GRANTED APPROVAL OF ITS REMOVAL. / >_ / / - - --- - d bottom of stone weir (ft) 473.0 = _ = - =- _ = = _ - - _- / wet storage provided at this elevation (cy) 56.7 J slope of wet storage sides 2:1 weir length (ft) (6xDA) 4.1 �a -v I - - - // U TNA /dry storage: bottom of trap elevation (ft) 470 - - - dry storage required (cy) (67"DA) 46.2 bottom trap dimensions: 34'x3' - - - _ // / - - J \ .STEEP SLOPS \ - J z /-i / / / A \ v \ /� A --- / l crest of stone weir 474.0 top of dam elevation (ft) 475 I � � � \ \ \ 1-11 0/ dry storage prouded at this elevation (cy) 91.9 top width of dam (ft) 4' slope of dry storage sides 3:1 top trap dimensions 85x24' V / I AI I A \ A A V A \ i A - - - - - I 0 il /1 U PROPOSED 12" TEMPORARY PERFORATED RISER TO \ \ \ I \ \ /\ • DRAINAGE DI) I w (TYP.) v CONNECT TO EXISTING DROP INLET WITH PERMANENT v v I I A \ A / V A A A\ o Z v 12" HDPE. INSTALL 8' OF THE PERMANENT 34.71 LF I V W OF 12" OUTFALL PIPE FOR TEMPORARY OUTFALL W W�W I I IN, \\ / �g \ �• 1MP., 61-134A PROPOSED RIPRAP PLUNGE POOL AT SEDIMENT TRAP FROM SEDIMENT TRAP. \ \ \ \ / 06� . N(F ALBEMARLE BA�1K AND TRUST COMP`NY \\� ° H 1.-1 OUTFALL WITH TEMPORARY PERFORATED RISER. \ 0.908 ACRES (39,547 SF) [� O INV. IN AT INLET = 466.19 I \ \ \ \ \ DB 646 PG 5 - - \ Q BOTTOM L PLUNGE POOL 7 471.0 I P INLET AT TEMPORARY RISER = 466.38 I \ \ \ \ °� \ \ O ---� W �XrOP OF PLUNGE POOL = 473.0 \ FLOW DIRECTION \ \ TOP OF TEMPORARY 12' RISER = 472.0 AV v ARROW(TYP.) \ V A A oe� W / / / / IT - sT - ST_ ST \ \ / -sT-sT-ST- o sr- o I \\ \ TMP 61-129 �• \ \ \ \ \ / U 0 _ o e o e � eo o v - / / o P P N/F J.C. PENNEY PROPERTIES, INC DB 1908 PG 726 DB 4355 PG 625 GRAPHIC SCALE / H / 472 - V A W�./'� n 473 -/ / V A / zo 0 10 20 4/ j j j/ W / 4 IN FEET W -47F-W 1 inch 20 ft. - � j ------- = \/ PROPOSED 2' WID� / / / / / / _ _ z / STONEWEIR --o - _ E- o OUTFACE '/ / - i Z w W - / ST ST sT \T ST ST ST ST ST ST ST ST ST ST T - sT - IT IT \ 3' =1471- - /! / / _ _ _ ---- - v-sT-S, JET x x x x-x _ �� �� �� �� �s� =--x-x-x-x�x x-x -x_x-x �x �101••1-�t�--� - - - --`---���L` ---' ---- --- W -473 - - / - / -�• - ' --- --- --- - --------------� �� -- �-- ■�'/ - - - O ♦♦ \ /� -- --- I/'/ //.---- _ c __�----------------- o"/������� ST1 \ + // I /oN-ENO"- --------------- �- U LU a + on MIM#U � JOB NO. DRAINAGE AREA ' �� ����� 192036 TO SEDIMENT SCALE NOTE: SEE SHEET 5 FOR DETAILS ON r + / i / - _ - _ - - / / _ / _ \ ; SEDIMENT TRAP #2 TRAP#2 =o.16 AC a ■ AS SHOWN 'NOTE: SEDIMENT TRAP 2 TO BE INSTALLED PRIOR a / TO THE INSTALLATION OF THE OFFSITE SANITARY ■ SHEET NO. - - - ' SEWER AND SHALL BE REMOVED ONCE THE SEWER 1r / SS\ ss V l WORK IS COMPLETE AND THE AREA IS STABILIZED. "� / 4 32'x o' MIN. OF THE EXISTING ASPHALT \ PROPOSED RIPRAP \ J U.S. ROUTE 29 (NORTHBOUND) C 7 \ \ PROPOSED ORANGE SAFETY FENCE TO ENCOMPASS / TH 0 / o / SEMINOLE TRAIL ENTRANCE SHALL REMAIN AND 1 PLUNGE POOL WITH SEDIMENT TRAP ITS OUTFALLATALLTIMES F PROPOSED 4.1 v / z / "' \ FUNCTION AS THE CONSTRUCTION iz" PVC RISER SEE m PROPOSED ON ITE LIMITS OF L VABLE WIDTH PUBLIC R/W O WIDE STONE WEIR FOR SAFETY. INSTALL SIGNS AROUND TRAP THAT/ / PROPOSED OFFSITE LIMITS OF \ENTRANCE FOR ALL TH EE PHASES DETAILS SHEET 4 DISTURBANCE = o.56 ACRES p w w OUTFALL READ "DANGER, QUICK SAND, DO NOT ENTER" / / C7 Z w - _ - - o DISTURBANCE = 0.58 ACRES \ p W W VJ W� - - sT- - \ \ r- SCc. R. LLINS'Z - sT - sT _ sr - e .. - \ \ P \ \ IN ° sT ST T sr off U� Lic. No. 035791,a s STD -sT- -sT / po 12/07/20 �4 LU / -- sr sT s / .. • sT - z O s off ��'S G1 /._�L/}_/ / / /i/ /ISY sr sT--sTi/,gf_Sr-sr- sT;- sT lJ ..y/ /F I // o s�oH HE SrONAL Ell / i oH�oOH �47 Sri ST _ ____ - - �� WD �` H ---W / o PROPOSED FILT XX RUNOFF DIVERSION, SEE DETAIL -SHEETS / / / / ■ - - PROPOSED I/ / J CA 1 \ \ \ / / 4 / - _ � / /� � �' � ■ PLYWOOD BAFFLE / 0 ST1 4'HIGH x64LONG /i` j'.. 1111 G / z v v oc - - - - i / - -=- -- , / i TMP "61-129 0 f a C� . ° / / / / i j / / / / 1 i / l I I ✓ N/F J.C. PENNEY PROPERTIES, INC 2) > > - - - V DB 1908 PO 726 C� US O O NOTE, FILTREXX RUNOFF DIVERSION / / / / �' / / ' 'i -- -- - - \ \\ \ \ / DB 4355 PO 625_ - - - / Z w 5 J J > E&S MEASURE TO BE UTILIZED FOR / ! O i I o Of Of THE OFFSITE UTILITY WORK ACROSS / / NOTE R/W IVERSIONTOBE \ i { PHASE II DRAINAGE O z a o THE EXISTING PAVED PARKING LOTS / / PROPOSED LIMITS OF DISTURBANCE INSTALLED ACROSS ENTRANCE \ / / SILT FENCE TO \ -) \ - U w w 3.34ACRES TO ENSURE RUN-OFF IS \ AREATOSEDIMENT ENCOMPASS \ // '' ~ > m m Z ----- ,A > a a g DIVERTED INTO SEDIMENT TRAP ----- TRAP=o.69 ACRES /STOCKPILE _ v, � F w w PROPOSED LOCATION j LOCATION / H z o o z OF FUEL STORAGE / - - " / w w li DD \ PROPOSED LIMITS ISTURBANCE &- / / / / / / / / / / / / / / PROPOSED WASH RACK I , ? / - _ / - - - SILT FENCE COINCIDES WITH EXISTING / � � / TO OUTFACE INTO \ I `i I PROPERTY LINE SEDIMENTTRAP \ ��j- L rrr TMP 61-134 I „ ,;_ �� - - - ROPOSED CAVALIER COUNTRY BANK I - �I l�� {k1� LOCATION OF DB 527 PG 43 - - DUMPSTER(s) DB 327 PO 228 (PLAT) / DB 468 PG 456 (PLAT) PROPOSED ° � - - LOCATION OF / - - / \ CONTRACTOR PARKING - -PO-POTTY / PROPOSED z' DEEP GRADED DEPRESSION ,I - - - \ / 0 0 - STAStNG 4REA ¢ / / / Fj � N N / WITH ARUBBER MEMBRANE LINING TO --- �`--_----- f� . 1 0 ----/ N c PROI5OS D / \ / / i PREVENT SOIL INFILTRATION SHALL BE - -- - - / � ' ,'-� ,� USED OR THE CONCRETE WASHOUT AREA. /y - - � - - - - - - - - - - - LOCATION OF % � \ /' - - - - - - -AIN GAUGE PROPOSED OFFSITE LIMITS OF - - - - - - - - - - - - - �-- _ - DISTURBANCE = 0.58 ACRES D//� - - - - �� � v --- - - - - - - - - - -- // PROPOS D LIMITS OF DISTURBANCE -----------------,----_- ---- --- - / i1 -� ----- / / / - \ / L9 1.14ACRE5 ----� IN/ N/ t�------------- / - / / / -LU�- /-----------x--: x PROPOSED ONSITE LIMITS OF _\\ II I --' \ - - - - - - - - DISTURBANCE =o.56ACRES _- 6-TP 49--------- M zQ am CONTRACTOR SHALL INSTALL SILT FENCE & TREE � / I O w PROTECTION ALONG THE REAR OF THE PROPERTY. THE SILT 00 FENCE SHALL REMAIN IN PLACE UNTIL THE SEDIMENT TRAP = / Z / / - - -QQm, -� / / // / M Sediment Trap Design #Z - _ /_ , 1S CONVERTED TO A PERMANENT SWM FACILITY & THE ESC \ " a / / / / ^ - - - - - - _ IN HAS GRANTED APPROVAL O IT REMOVAL. _ - - - =_=== / INSPECTOR V F S/ > drainage area (acres) (<3) 0.16 �• v v � � / �� o O trapvolumes: - - - - - - � _ --z - ORICNAL CREST OF STONE WEIR vARIAB�E - - - - -7 _ _ >� \ _ \ \ - - / / elevation(fit)areas volume(co volume(cy)LU GRO ND - / // - / \ \ - - N (� (� // 1 v -F- 459 55 0 0.0 - o' - / I \ \ -MANAGED 460 95 74 2.7 1I STEEPSLOPES_ ---- DRY STORAGE - ,,, vAnte� � � / / / / _ I \ \ \ \ �., \ / / ', O 461 140 191 7.1 0462 185 353 13.1 / / -- - 1 I \ v A V A A \ \ \ \ \ - - - - - / oOIL �W) 463 265 577 21.4 WET STORAGE / A LU z*�A52AEVAT> D- (TYP.)464 315 866 32.1 FILTER CLOTH W GRYLINo ELEV .SEE Pure 3.13-1 COARSE AGGREGATE" Cuss T RPRAP / �5 �1 MP 61-134A \ I II \ �\ ��� �6\ V �� ALBEMARLE BA K AND TRUST COTAP NY O / 0.908 ACRES '(39 547 SF) / DB 646 PO 508� W wet storage: FLOW DIRECTION wet storage required (cy) (67"DA) 10.7 v- A �v v vv ARROW (TYP.) A V v�v� //0-6 bottom of stone weir (ft) 461_ 5 wet storage provided at this elevation (cy) 10.7 \ v \ \ \I v v \ v A - - - - �� \ \ \ \ V A Vo AV / / U O slope of wet storage sides 1:1 \ \ \ \ TMP 61-129 weir length (ft) (6x DA) 2.0 \ / \ N/F J.C. PENNEY PROPERTIES, INC \ \ \\ I ' i /� I DB 1908 PG 726 V T dry storage: bottom of trap elevation (ft) 459 / / GRAPHIC SCALE DB 4355 PG 625 \ \ \ �\ I I , - j W O dry storage required (cy) (67`DA) 107 bottom trap dimensions: 5'x8' 02 / zo 0 10 zo \ \ 4 w W crest of stone weir 463.0 top of dam elevation (ft) 464 dry storage provided at this elevation (cy) 10.7 top width of dam (ft) 3' slope of dry storage sides 1:1 top trap dimensions 15'x18' N FEET) \ / / / \ o / // / / W W / t\inc = 20 ft. \ / / / / / x-x x x-x x x-x x-x -x x-x x-x x-x-x-x -x-x-1,-x -x x x \ - EROSION &SEDIMENT CONTROL LEGEND �, y - - - - / •. �� ■1 f 1-r� �x� -� �x� \ / / / / / / z a VIRGINIA-PROPOSED 2' WIDE - - - - - / / / / / / s° � _ of HANDBOOK KSPE N & SEDIMENT CONTROL - - - - - / / / / / / / / / - - - - - - - - - - 12 HANOBOOKSPEC/FICATION NUMBER � -STONE WEIR OUTFACE- - - - - _ - - - - - - � - - - - - � i - _ - - - PROPOSED z' WIDS / / - - _ � � STONE WEIR / CE CONSTRUCTION 3.02 -- _ a - - - - _ .OUTFALL / ��I ' / ' ° Z LU - W LU ENTRANCE -�- _ / / / :+ / LU SF z SILT FENCE 3.05 ----- _ --= ��• �� ---- �' // / - / ' II _ __ / J ClP},, CULVERT INLET 3.08 _ _ - _ _ - = - • _ - O -- / / - - - sT sr sT sr -sr - sT - sr sr sr sr sr sT - - sr sr - T sr sr =sr c V -frr sr - V) fi�V/i/1 PROTECTION O_ ••� --46 --- __ - -- xx- x-x-x -x _sr ������� ------� -fix- -xx -x -xfx x-x-x-xxf;���-rat \ r�, t 7f7-lf�-ESE ^ z v OD �� TEMPORARY 3.09 - -- �- - -� ------ -- - -- l_ ------------ -SO-t�J ---- --�w r Q _ _ n 6 / _ sr DIVERSIONDIKE ---- - �/ --/ - --- '^--_-_� f'' { --- =Y O_ RW �� TEMPORARYRIGHT- 3.11 -- \ I - 457-/ / ----- -_- _- TJ -�-------- - - - - - - OF-WAYDIVERSION ST O TEMPORARY 3.13 ) / ■ / // / _ - _�_ -.a f --- -- ---- - ---- SEDIMENT TRAPor+oH 3.1 RRSEERIPRAP 3.19 / / / OH oH�on-or+�--------------- � OH OH // _ // -off-oH� ---_ _ ° / w H TS TS TEMPORARY SEEDING 3.31 / PH off - °H - - - off / - off - -'�i / - - ^� w ° / °H�� -� ( " -/"o� H/ , / / _-- / ly • a N PS PS PERMANENT SEEDING 3.32 //\� / / / / ' / \� -T/' 7 / 1°/ ��5 / M Nis- . - - - - - - �-� _� ' / / . -O / / JOB NO. Tp TREE PROTECTION 3.38 / �Sr r / _ - - - - ss omit\ = / /� / / ° ' 1 /� 192036 - - / Dc Dc DUST CONTROL 3.39 / / _ DRAINAGE AREA ' y O / ` - " J / /SEDIMENT/ ( \ SCALE / / - / s, / NOTE: SEE SHEET 5 FOR DETAILS ON TO NOTE: /// 10 0 5 0 20 / _ / \ / SEDIMENT TRAP #z TRAP#2 =o.16 AC ° - - 1"=20' ALL DISTURBED AREAS NOT PAVED MUST HAVE A / I / s,/ ZNOTE: SEDIMENT TRAP 2TO BE INSTALLED PRIOR \ G� ' PERMANENT VEGETATIVE COVER AFTER FINAL GRADING IS COMPLETED. IN FEET TO THE INSTALLATION OF THE OFFSITE SANITARY a SHEET N0. / / I / ( ) �� SEWER AND SHALL BE REMOVED ONCE THE SEWER j 1 inch = 10 ft. ss WORK IS COMPLETE AND THE AREA IS STABILIZED "� / Jr NOTE: CONTRACTOR SHALL ENSURE AN ADEQUATE GRAVEL OR PAVED CONSTRUCTION / p�TH OF ENTRANCE IN ACCORDANCE WITH MINIMUM VESCH STANDARDS. CONSTRUCTION ENTRANCE SHALL BE A MINIMUM OF 12'x7o' AND SHALL REMAIN UNTIL APPROVAL TO REMOVED IT HAS BEEN GRANTED BY VDOT & THE ESC INSPECTOR / SCOTT R. LLINS� � L.) Lic. No. 035791,a U.S. ROUTE 29 (NORTHBOUND) / CE 12'x70'MIN.OFTHE XISTINGASPHALT \ \ { 12/07/20 / 0 1�'"/'" SEMINOLE TRAIL ENTRANCE SHALL REMAIN AND \ o J I / o� �4 VArcBLE WIDTH PUBLIC R/W \ PROPOSED ONSITE LIMITS OF // _ // �c{S G L ( PROPOSED OFFSITE LIMITS OF FUNCTION AS THE CONSTRUCTION \ \ m / / I TONAL E W W - - ENTRANCE FOR ALL THREE PHASES \ DISTURBANCE = 0.56 ACRES - - / g DISTURBANCE=o.58ACRE5 �� / y Z W - Ly� 4 W W LJ Ur-- ST — ST h'T / sr ST _ — \ Q _ s — — — T Si .. ' J. '. .. / . -.. ` \ �\ ST � � T sr(} — — — ❑ OH _ L.W S=L Si �/ ' j -. • a -•i ___i-_5'_ �,.ST— '' I / IP --� _ — wD'° % % �% �0� psi / /sr M MGM M M � � � — M — ` / OH G H /: / A M� M PROPOSED FILT XX RUNOFF / � W o �vv JI - F � � w w GJ / DIVERSION, SEE DETAIL -SHEETS -- zzz //— \ / i / _ ` 1 \\ \\V / Z W J J ` DETENTION BASIN 'B' = 1 I / / 4 / O � w w I t W> m m _ —-PROPos€auN)E�icaowvD- - --- i TMP 61-129 > a a g / -DETENTION SYSTEM 'A' 1 l I I _ a -- � N/F J.C. PENNEY PROPERTIES, INC / A. / ' I A ) DB 1908 PG 726 / / a a Q ' NOTE FILTREXX RUNOFF DIVERSION / / i \ \ \ \ / n8 4355 PG s25- - - - / ? 0 0 / E&S MEASURE TO BE UTILIZED FOR / / / f \ / i� _ ' . / / PHASE III DRAINAGE \\Lu ILL / o THEOFFSITEUTILITYWORKACROSS / / / A �� / AREA TO SEDIMENT \ W Lu Lu THE EXISTING PAVED PARKING LOTS PROPOSED LIMITS OF DISTURBANCE / // 1.14ACRE5 / / TRAP=o.69 ACRES PROPOSED 5' WIDE CURB CUTS WITH PEA,_ / / GRAVEL & FILTER FABRIC UNDERLAYMENT / 9 - . — — / / TO DIRECT RUNOFF FROM PARKING LOT \ / / - =P 0 OSED LOCATION INTO DRY DETENTION BASIN 'B' _ - \ / ST 484..0 TW0 W \ ' PROPOSED LIMITS OF ISTURBANCE &-' / / I // - - - - SILT FENCE COINCIDES WITH EXISTING / / PROPOSED WASH I - �/ _-�� / _ TO OUTFALL INTO \ �r �� D PROPERTY LINE I , � �� � MU SEDIMENTTRAP A I Ir------ / TMP 61-134 PROPOSED 3.5' WIDE CURB _ LOCATION O / —8 / FILTER FABRIC UNDERLAYMENT i — DUMPSTER s --L - - - 1 - - - -' / / �/ R m N / CAVALIER COUNTRY BANK CD CD () / DB 527 PG 43 . — — / TO DIRECT RUNOFF FROM I - - �� /— / ' / ^ N / DB 468 PG 456 (PLAT) I _ _ _ 478.0 TW -- / / i / \ Q / DB 468 PG 456 (PLAT) PARKING LOT INTO DRY 477:Q1 BW _ PROPOSED / / \ ' o \ — — '' j / / DETENTION BASIN 'B' � . ' — — 483.0 W LOCATION OF + - - - - - / / PROPOSED 2' DEEP GRADED DEPRESSION478.0 BW / - ONTRACTOR PARKING _ ORTA-P TTY / , / '" � � / > ; WITH A RUBBER MEMBRANE LINING TO — - & ST GING AREA C� / / / - o - �, — / PREVENT SOIL INFILTRATION SHALL BE �-- ---------' �" -- - USED OR THE CONCRETE WASHOUT AREA. , _ PROMOS / / - - ------ - OCATIONOF � Nl / - — -- -- AIN GAUGE L9 PROPOSED OFFSITE LIMITS OF - - DISTURBANCE =o.58ACRES \ \ - - - - - - - - - - ---- J PROPOS DLIMITSOFDISTURBANCE ----------------�-------- -- -_ ��// � �\ 1 —�I-� / ��'�� M I I ----`------- ////' 1.1 ACRES ---4—q- ----------- �1I \ cr --- ------- > - -- — — — — — — — — — — SOF QPROPOSEDONSITELIMIT DISTURBANCE=o.56ACRE5 ---�� _ - /— - _ L a 1 ) ' N --- aNN TP /------- I � / / / ----- _ '------------- / NINI � r — -- / �� �\\ II/ // --- _-__ _- - - -_ _ _ CONTRACTOR SHALL INSTALL SILT FENCE & TREE Lu -____' // PROTECTION ALONG THE REAR OFTHE PROPERTY. THE SILT / �m // i , w FENCE SHALL REMAIN IN PLACE UNTIL THE SEDIMENTTRAP r' I -- - W-¢ / / / / cv _ -_ — _ _ _ _ - _ __ _ -_ _ _ _ -_- - - - - - - - - - - - -- _ ; _ _- - _- IS CONVERTED TO A PERMANENT SWM FACILITY &THE ESC /�✓ 'L Q / / J z -------- _ _ _-- __ - , _ _ _ _ _ _ _ _ - - _ - - = - _ - - - _ - _ INSPECTOR HAS GRANTED APPROVAL OF ITS REMOVAL. _ - - / - --- - -- _ � \ / I I / \ {/ W \ MANAGED / > .STEEP SLOPES o V) / // / / 11 1 1 \ v �� A ��DRAINAGEDIVID'E(TYP.) / v _ Q Q 06 1MP E1-134A — \� o Z N/F ALBE0.90MARAND 8 AC ES (39,5447USF)�P.p,NY \� /� v [ � O DB 646 PG 508� — — \ / I-_q FLOW DIRECTION _ A AV �q(j� / .14 1 V) ARROW (TYP.) A / H 0 \ ul Lu W Vo A // TMP 61-129E- / // // \\ \I I I \\ / \ \ N/F J.C. PENNEY PROPERTIES, INC DB 1908 PG 726 DB 4355 PG 625 V 1 1 — _ — Lu Lu \ \ Q PROPOSED2'WID� STONEWEIR / /.OUTFACE/�� / � i'' Z W \\ // // W \ / l / / // --- w / Si ST Si ST IT- Si ST Si ST Si Sr — ST ST — ST Si ST ST \IEz= —— _frT / sT — sT — s /' \ — — — --� —x—x x—x fx x—x x—x x�:���-r�lt — — — — ----x x x x— — _ — — ----_ (%i - - w -- -,--- -- - -- --- - Ln — — / / � I / o —; —� --- / — — —— —oH��_���maaaa CH / OH OH — — — — — — A / . \ / \ /� / Lu _ _ Lu off r /J —/ — s{/ LELELE(LE\ � / / JOB NO //s *�•aaia v /'� �i �l// 192036 _ \ GRAPHIC SCALE _- DRAINAGE AREA � � � / 5 TO SEDIMENT _ ( ` S { I 1 SCALE / n / NOTE: SEE SHEET FOR DETAILS ON 20 0 +o \ 20 40 / / / / { / SEDIMENTTRAP#2 TRAP#2 =o.16 AC 1 "=20' � q � NOTE: SEDIMENT TRAP 2 TO BE INSTALLED PRIOR \ q / I / / \ / TO THE INSTALLATION OF THE OFFSITE SANITARY / / SEWER AND SHALL BE REMOVED ONCE THE SEWER 21 � �° ( IN FEET I ) v v / / / I SHEET N0. ss WORK S COMPLETE AND THE AREAS STABILIZED.+P / \ 1 inch = 20 ft. \ \ \ / / / 6 B:I�aJarla�aJ61'llalg�.7N1:11'I110G\Ia:�17G11/GK1a1'llalg�Blypll6ialf�Li�S Y�1.7Ga]a9a��JJGIa1gL.71�1:11'1141/G\Ia:�17/�11PR7a1'llalg�J��111�iL1f�Lid RAPHIC \ CAL / \ Pre -Development Impervious Area Summary 30 01 15 I 30 \ 60 \ 120 / \ Subarea A Parking Areas 125 sf O ( IN FEET) 1 / / / / V / / 1 inch = 30 U.S/ROUTE/29 ORRTTHBOUN SEMINOLEgJ \ I\ VARIABLE WIDTH PUBLIC WW \J ) \ \ \ \ 1W - I�W \� \\ \2 \ sT jo 77 / ST- $T- ST-�gT -^ST• _ '1-/ '. ' -'.. r."' -' A •'.. v ;., . r -. W ALL V`I // ( \( \�A C \VAXv (DEFINING PRF�.-DEV SUBAREAS A & B) IS/� / LOCATED-AYTHE POST-DEVELOPMENT„gpp / &gCURB CUT (DEFINING POST -DE SUBAREAS A &B) PHASE I (PROPOSEDWITH-THIS PN) TO -RECEIVE SWM TREATMFNT UNDERGROUND NT16K B TEM 'A' &-DETENTION / A SMALL PORTIONfdH EXISTING, OFFSITE / IMPERVIOUS 9REAS AS. CIATED WITH THE ENTRANCE ARE RELEASE ONTO RTE. 29 IN A SEE//THIS SHEET, BELOW, FOR SHEET FLOW MANNER. THI OFFSITE DRAINAGE T / HE FULL DEPICTION OF THE WILLRONTINUE T IN THIS MANNER IN / ��� / - \ - - _ / / / ESC LIMITS OF DISTURBANCE. /THE POS-DEVELOPM NT SCENARIO. \ 1 '� / \ - / / I _ PR€-DEV. i ♦ SUBAREAS A & B ♦ ° / / i . CN=57 PROPOS D BOUNDARY FOR THE ESC LIMITS 1 Tc=0.16 hrs. OF DIS RBANCE (1.14 ac.) DEFINES THE PROP SED BOUNDARY FOR THE VRRM WATE QUALITY REQUIREMENTS, TYP. At U �496- \/ I N / ♦ /ioo of aLF & - / /III - ow / r ♦ / 150' OF SHALLOW— ./ /■� \ I -'^-a - / / CONG. FLOW ♦ - -- V.=18' � ELE __- �- _...- • \ \ \ � � \♦ _ \ ^III --- / // // -501- ♦ \X11- \ I UNDEVELOPED-Z.� General Construction notes for Stormwater Management Plans \ �� 506 PORTION OF \ 1. All dams and constructed fill to be within 95% of maximum dry \ \ �/ \ \ �. ��, THE sue \ / density and 2% of optimum moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical engineer is to be present during construction of dams. 2. Pipe and riser joints are to be watertight within stormwater management facilities. \ \ - - - _ - J \ 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 \ I obtained from the County erosion control inspector. WATERSHED SUMMARY FOR SUBAREAS A & B 1 // / l / j X / Area, 1-year Flow, 2-year Flow, 10-year Flow, CN ac. cfs cfs cfs DA A & B (Pre-Dev.) 57 0.78 0.13 0.34 1.33 /// CN Area, 1-year Flow, 2-year Flow, 10-year Flow,- ac. cfs cfs cfs /�// / DA A (Post-Dev.) 66 0.54 \ \ \ /� DA B (Po st-Dev.) 76 0.24 0.04 0.10 1.26 \ \ /l/ // / Total 69 0.78 NOTE: DA A is routed initially through UGD System 'A', and then routed through Detention Basin 'B' COUNTY OF ALBEMARLE Department of Community Development yxa, Construction Record Drawings (As -built) for VSM P 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. Materiel 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. GENERAL SWM FACILITY NOTES: 1. CONTRACTOR SHALL CALL THE COUNTY INSPECTOR & ENGINEERING DEPARTMENT 24-HOURS BEFORE ANY ANTICIPATED CONSTRUCTION ACTIVITIES FOR THE BMPs. THIS IS INCLUSIVE OF WHEN THE UNDERGROUND DETENTION SYSTEM SUBGRADE IS READY FOR PIPE CONSTRUCTION, BUT BEFORE STONE BEDDING IS INSTALLED. 2. PROPOSED OUTLET PROTECTION BELOW THE UNDERGROUND DETENTION SYSTEM W OUTFALL TO CONSIST OF Aio' WIDE, 4 LONG, is" DEEP VDOT CL. Al RIPRAP LINED APRON WITH FILTER FABRIC UNDERLAYMENT. APRON TO BE LOCATED BETWEEN THE PROPOSED ENDWALL AND THE BASIN FLOOR, AS SHOWN. OUTLET PROTECTION SHALL THEN TRANSITION TO A FLAT / o% GRADE AT THE BASE OF THE EMBANKMENT& SHALL EXTEND TO THE DETENTION BASIN'B' RISER STRUCTURE TO REDUCE THE RISK OF SCOUR & ORIFICE CLOGGING. FILTER FABRIC UNDERLAYMENT SHALL BE KEYED INTO THE EXISTING GROUND A MINIMUM OF 9" AT THE ENDS & ALONG THE PERIMETER. EDGES OF FILTER FABRIC SHALL OVERLAP A MINIMUM OF 12". 3. THE DETENTION BASIN B EMBANKMENT SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE DETAILS & DESIGNS SHOWN ON THIS PLAN. 4. LOW -FLOW ORIFICE DIAMETERS LESS THAN 3" ARE REQUIRED TO MEET MINIMUM ENERGY BALANCE CALCULATIONS. TO REDUCE THE RISK OF CLOGGING, TRASHRACKS ARE PROPOSED ON ALL ORIFICES AND THE DE TENTION BASIN 'B' RISER. ADDITIONALLY, THE RIPRAP OUTLET PROTECTION BELOW UNDERGROUND DETENTION SYSTEM 'A' WAS EXTENDED (AS DESCRIBED ABOVE IN #2) AT A o%SLOPE TO REDUCE THE RISK OF CLOGGING DETENTION BASIN B's LOW -FLOW ORIFICE. ALSO, PRIVATE DROP INLET STIR. 41S PROPOSED TO HAVE A REBAR GRATE TRASHRACK ACROSS ITS THROAT's OPENING TO REDUCE THE RISK OF CLOGGING THE LOW -FLOW ORIFICE IN UNDERGROUND DETENTION SYSTEM A. STORMWATER MANAGEMENT NARRATIVE: OVERVIEW THIS PROJECT PROVIDES STORMWATER MANAGEMENT (SWM) PRACTICES TO MITIGATE THE IMPACTS FROM THE PROPOSED IMPROVEMENTS. THIS STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IIB SWM REQUIREMENTS. WATER QUALITY SUMMARY THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET THROUGH THE BEST MANAGEMENT PRACTICE OF PURCHASING NUTRIENT CREDITS. A MINIMUM PHOSPHOROUS REMOVAL RATE OF 1.03 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. WATER QUANTITY SUMMARY THE PROPOSED DEVELOPMENT HAS ONE CONCENTRATED OUTFALL. THIS OUTFALL IS DIRECTED INTO A MANMADE STORM SEWER INLET LOCATED ON SEMINOLE TRAIL. ITS DRAINAGE AREA (SUBAREAS A & B) MEETS MINIMUM CHANNEL AND FLOOD PROTECTION REQUIREMENTS SET FORTH IN 9 VAC 25-870-66. SUBAREA A RECEIVES ATTENUATION VIA UNDERGROUND DETENTION SYSTEM 'A' INITIALLY, AND IS THEN DIRECTED INTO DETENTION BASIN 'B'. SUBAREA B's INFLOWS AND SUBAREA A's ROUTED OUTFLOWS WERE SYNCHRONIZED. THE SYNCHRONIZED STORM EVENTS WERE THEN ROUTED THROUGH DETENTION BASIN 'B'. THE RESULTANT DETENTION BASIN 'B' ROUTED OUTFLOWS ARE COMPLIANT WITH MINIMUM COUNTY & STATE REQUIREMENTS. IN SUMMARY, CHANNEL PROTECTION FOR SUBAREAS A & B IS MET THROUGH 9VAC25-870-66 SECTION B.3.a (ENERGY BALANCE) AND FLOOD PROTECTION IS MET THROUGH 9VAC25-870-66 SECTION C.2.b. (10yr. POST FLOW < 10 yr. PRE FLOW). COMPLIANCE WITH THESE SECTIONS IS ACHIEVED PRIMARILY THROUGH THE PROPOSED UNDERGROUND DETENTION SYSTEM 'A', THE PROPOSED DETENTION BASIN 'B' AND THE REDUCTION OF RUNOFF EXITING THE PROPERTY UNDETAINED. PLEASE SEE THE ATTACHED CALCULATIONS PACKET AND THIS SHEET FOR ADDITIONAL DETAILS. RAPHIC \ CAL\F Post -Development Impervious Area Summary / 01 15 I 30 V 60 \ 120 / \ Subarea A Building 2,900 sf Parking Areas 1,100 sf ( IN FEET) \ / // / Sidewalks & Concrete 1,000 sf 1 inch = 30 ft. // 5,000 sf U.S/ROUTE 29 (NORTHBOUNq) \ Subarea B V / / SEMINOLE TRAIL / A VARIABLE WIDTH PUBLIC W \I JJ Parking Areas 3,825 sf \ Sidewalks & Concrete 475 sf 4,300 sf STORMWATER FACILITIES & / I MAINTENANCE EASEMENT \ \ \ \ \ DB.5485, PG.390-393 \ \ \ \ yy 'W W Ll • • - / $T� G / I � Sr Ir / M ONE 0° _ I __ __ (ROUTED TO UGD SYSTEM A, \ (JII / i II 0.54 ac., CN 66, Tc=0.15 hm. I A \ \ STORMWATER FACILITIES & \ A SMALL DB.5485, PG.390-393 m -PORTI N OF THE OFFSITE ( - MAINTENANCE EASEMENT J J / ENTRANCE CONTI UES TO BE RELEASED 2 W / ONTO'RTE. 291NA HEET FLOW MANNER, / /- - U / KS SHOWN. A PR POSED CURB CUT & Ltd' BRAIN ILL DIRECT THE BULK < � / OF THE PROPOSED D ELOPMENTS RUNOFF ENTION B DETENTION SYSTE FOR ATTENUATION. // I /may • / \ 4 POST-DEV. SUBAREA B ��y�' - / / / / O (ROUTED TO DETENTION BASIN B) 0.24 ac.,Tc=0.10 PROPOS D BOUNDARY FOR THE ESC LIMITS.. ---- OF DIS RBANCE (1.14 ac.) DEFINES THE PROP SED BOUNDARY FOR THE VRRM - - -- r WATE QUALITY REQUIREMENTS, TYP. 1 - - - - _ - -- / \ - ap All ow-445 e - - - - I .• / 100 OF OLF , A ELEV.=1=16'� ♦ _ \ I / / .� / 20'--OF SHALLOW CONC. FLOW ♦ \ / I - - - / / / 18"F CHANNEL -FLOW IN DITCH PIPE �uNDEVELOPED-/e 506V A �� \ PORTION SITEE \ \ / --J I CHANNEL & FLOOD PROTECTION SUMMARY Pre-Dev. Post-Dev. Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66 Subarea Subarea Channel Protection Compliance Limits of Analysis for Channel Protection Flood Protection Compliance Limits of Analysis for Flood Protection A & B I A & B ISection B.3.a (Energy Balance) N/A (Energy Balance Satisified) ISection C.2.b (10-yr. Post Flow < Pre Flow) I N/A (10-yr. Post Flow < Pre Flow Satisified) / 'US 1-ULVtLUNMLlN 151 UKlvl1NA I LK MAINAULMLIN I PLAIN, SHUVVl NG VVA I LK (1UAL1 I Y L1M115, SCALE 1"=30' _ / Impervious Areas within Limits of Disturbance / // // //11 /' -- / Building 2,900sf _ Parking Areas 18,525 sf sT sT�-ssT-sT- Sidewalks & Concrete 3,550 sf 24,975 sf \ x x-x-x _x� -x-x _x� x-x-x-x _x �_ ' --- - --- i / PROPOSED SANI�RY SEWER EXTENSION TO THE DEVELOPMENT 'aH H DISTURBED AREAS ASSOCIATED WITH 0 FSITE ' SANITARY SEWER EXTENSION TO BE RETURNED / \ 1 TO THEIR PRE -DEVELOPMENT CONDITIONS, A^� SHOWN. ADDITIONAL CONCENTRATED QUTfALLS s C? / / / SHALL NOT BE CREATED IN HESEtoCATIONS. o p / - / S> / / i / LId' W lL co �O / PROPOSED BOUNDARY FOR THE ESC LIMITS / = < / OF DISTURBANCE (1.14 ac.) DEFINES THE / Ha a i j PROPOSED BOUNDARY FOR THE VRRM i ' / LD / -I W ( TYP. / WATER QUALITY REQUIREMENTS, � � � (A NOTE: 1. THE STORMWATER FACILITIES & MAINTENANCE EASEMENT PLAT HAS BEEN RECORDED IN DB.5485, PG.390-393. 2. THE STORMWATER EASEMENT AGREEMENT HAS BEEN RECORDED IN DB.5490, PG.350-356. 3. THE STORMWATER MAINTENANCE AGREEMENT HAS BEEN RECORDED IN DB.5427, PG.683-691. 4. THE OFFSITE EASEMENTS HAVE BEEN RECORDED IN DB.5532, PG.725-728. iCOTT/R. Ct?LLINSZ Lic. No. 035791 a 07/09/21 Z Z nJ LU r Ov Ov < z o a- m z z a , d � V7 O O [ � 0 Z Z N L Z ) J J i W d O Z CL < Lu < O O U) m < m < Z i g o VJ oc oc < H WL WL Z LU LU < < L Z r LL L ti V) lie r11r N a\1 a\ 10 n 0 y ' CD V Z� Q M J^ - K1 1 L f'V M // ^ W N V> W > > a Z 1 LU W rW0P O z Z x Q W v < � Q Z ,W/ _ � z J W w w J V ) 00 I W C) W a U) JOB NO. 192036 SCALE 1 "=30' SHEEnNO SECTIONA,-9; TYPICAL G&1PHIC.•1L DETALLS Homogeneous fill r - - - ------II 77" I 7//� /7 /.. ,/' min �f^ I Cut off trench-4' ow suitable I mote al Soil or rod L - - - - - - - - - - - i TYPICAL HOMOGENEOUS EMBANKMENT Perforated a FOUNDATION DRAIN Transition fill 'Rack or gra"I '-Blonket drain BLANKET DRAIN Gan Send, worel a rat drain kw RDck or grovel rant t« d1dL1 c°G Tr n3ifi n filter 0TransiliDTI }Flat o o e CHIMNEY DRAIN TOE DRAIN Figure A -la. fiornogeneolis Enlbaukitenn ,; .5eepdge Controls EMBANKMENT NOTES: AFTER AN INVESTIGATION OF THE SITE's SOILS, SITE VISITS, AN ANALYSIS OF THE SURVEYED TOPOGRAPHY AND AN EXAMINATION OF VA DEQ APPENDIX A: EARTHEN EMBANKMENT, THE APPLICANT HAS PROVIDED A COMPREHENSIVE EMBANKMENT DESIGN THAT DOES NOT NEED A GEOTECHNICAL STUDY AT THIS TIME. SUCH IS THE CASE DUE TO THE PRECAUTIONARY EMBANKMENT DESIGNS PROPOSED. A SUMMARY OF THE EMBANKMENT DESIGN REQUIREMENTS ARE LISTED BELOW, MANDATING THE CONTRACTOR MEET THESE REQUIREMENTS AT A MINIMUM. THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A CUTOFF TRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN ON IN THIS PLAN, BERMS AND SPILLWAYS SHALL BE STABILIZED WITH EC-3 MATTING & THE REMAINING DISTURBED SLOPES SHALL BE STABILIZED WITH EC-2 MATTING. ALL BERM FILL MATERIAL SHALL CONSIST OF ML, CL, SC OR GC SOILS & BE FREE OF WOOD, ROOTS, ROCKS OR ANY OTHER NON COMPACTING SOIL. COMPACTED FILL SHALL BE PROCTOR MAXIMUM DRY DENSITY ASTM D698 AND HAVE A MINIMUM OF 95% OF MAXIMUM DRY DENSITY AND 2%OF OPTIMUM MOISTURE CONTENT, ALL FILL MATERIAL AND CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS. r 1/2' zinc plated 9n°k attached vnth 3/8' fastener If ® ®® ®® ® 2-1/8' dla. holes B C (D ® ® P ®®® ®®® Iscim etri C t PTote 4 1/• HDPE oPLionel t:.I'llr c_tr",I .at.. t . - v-,. x -7 HDPE wlruclurnl plastic with 0 hol hol 2-1/8" and I Plato es rnmufb Plae stic Y VO , olutlDne Inc. or equal 000 0000 .:L'a �.y;iari. .4i ' sbown slth .PUonel plate r ':YS ? HDPE aL,virt VPI 'I.Al° with sec Lion 2-t/8" holes and 1/4- Plate Be anuf mactured DPlasticS ..manufactured Inc. or a9as 9 0• dia hole 0 0 o O 0 00 0 0 steel° BMP FlevaLlon orifice PLASTIC DEBRIS CAGE SOLUTIONS P.O. RON 4386 Machetes AA U604 INC. 877-877-5727 rN.pladit-we,eann StormRmw ROUND SERIES TRASH RACK CONCRETE MANHOLE STANDARD BO INCH RACK SHOWN DIMENSIONS IN INCHES (OR EQUIVALENT) PLAN SIDE VIEW StonnRax"a Round Series for Concrete Manhole Part No. DIM DIM use 11,111111111 Mb4)D RL14 17% 14% 29 24 30 al 21M 14 40.I 36 43 IL54a n is 54. 44 S7 Ill 27% 14X 66% M 70 Plastic Solutions. Inc. cuB PO 1.4386. Wlndves, VA 22604 239 NcGhse Ib, W1.c1., VA 224D3 R777) 877.5727 Phow PROTECT ISM 72Z4219 Pax 'uwr LWOH9.NG ISOMETRIC 90MROE STRUDTURE DIMENNONS INSIDE STRUCTURE DIMENSION OUTSIDE STRUCTURE DIMENSION AVAILABLE OPT10NO CROSS BRAOING FOR OVERMwil HDPE ANTHVORTEX PLATE DATE D I WIlOr we Ir DETAIL UINULKbKUUINU UL I LIN 11UIN bYb I LIYI A & UL I LIN 11UIN TSAJIIN 'b Ut I AIL, SCALE 1"=20' ASTHE PROPOSED'036" HDPE STANDPIPE (STR. 200) WITH TRASHRACKTOSERV , RISER STRUCTURE. SEE DETAIL ON THIS SHEET, Ok EQUIVALENT, FOR TRAS RACK. RISER RIM ELEV.=470.65. RISER TO HAVE ON 1.25" LOW -FLOW ORIFICE \ (INV.=469.00). RISER INV OUT=467.00 (TO EXISTING DI). TQQPREVENT FLOTATION � THE RISER BASE SHALL BE FIRMLY EMBEDDED 6" INTO AN 18'�THICK REINFORCED _r_ CONCRETE FOUNDATION THAT IS 6'x6', AND BURIED BELOW GROUND. qq MINIMUM CONTRACTOR SHALL CONNECT _ PROPOSED DETENTION BASIN B's EX >.0 _ - _ _ / OUTFALL INTO EXISTING DI - ( • . f ST �_ ST: ST THE FLOOR OF DETENTION BASIN'B' SHALL BE SLOPED TO DRAIN TO THE 472'65' l RISER (o.5o%MIN.). CONTRACTOR SHALL INSTALL A GENTLY SLOPED CHANNEL , ATTHE BASIN's LOW POINTTO ENSURE POSITIVE DRAINAGE THROUGHOUT -. - - -� � i - j ---- M M M O-,[� 470 - _ 472.65' / / ------ :. i r 11 T / 1 / / 4 `to • • •t, V •'�4:621,4i4i 7• •k,IMKOJDII 1= 9A III• 1 � - V A \ \ \ PROPOSED 1o' WIDE GRADEb-SI�DEWALK WITH A 24% 'MAXIMUM CROSS SLOPE TO SERVkAS TOP OF DAM. W --- � \ �� SEE GENERAL SWM FACILITY NOTES #2 & \ 4 ON THE PREVIOUS SHEET FOR DESIGN OF OUTLET PROTECTION. OUTLET = iIi _ A I \ \\ * I8 \ I PROPOSED ELEVATED 015" HP STORM PIPE � MORE SIGNIFICANT St LESS 1 ALLOWS i i ,4 FREQUENT STORM EVENTS TO SAFELY BYPASS UNDERGROUND DETENTION SYSTEM W � 036" IN ri 015" IN 0 z / r W o ST S = S j PROTECTION TO EXTEND TO RISER TO ift / REDUCE THE RISK OF CLOGGING. / 11 11 �I --- -- - i - --- ---- -- 1 �- 1A 1 472:65 � 1�� Il , �// r� mw10 � ' -'� 1-1-1,,.� PRIVATE PARKING�AfiEA Fr5"rDEWAL STORM PIPE, WITH'VDOT STD. WHIN-SW4 ES T TO-SI=RVE AS iT -•.- / - °. EW-6, TO SERVE AS PRIMARY 'A' OUTF'ALL _A�ES/S TO 5WM FACILITIES UGD SYSTEM / / // / / --469.25' 436" INV. - � / / // I _ _ SFE THJS SHEET FOR SCALED PROFILES \ �) OF THE SWM FACILITIES, TYP. / PROPOSED UNDERGROUND • DETENTION STEM'A'TO � 036" INV. RUNOFF P Ti` CAUSED ATTENUA - 469.94' OM THIS DEVELOPMENT. � PROPOSED STRUCTURES z, 4, 6 & 8 SHALL BE : / INSTALLED WITH STAIRS & SHALL SERVE AS O4 ACCESS FOR INSPECTION & MAINTENANCE, TYP. ' -° STR. 4 SHALL HAVE A REBAR GRATE TRASHRACK ACROSS ITS THROAT's OPENING TO REDUCE THE .46 I.46' RISK OF CLOGGING IN UGD SYSTEM A. __ .50' NOTE: 1. THE STORMWATER FACILITIES & MAINTENANCE EASEMENT PLAT HAS BEEN RECORDED IN DB.5485, PG.390-393. UNDERGROUND DETENTION SYSTEM 1Ar 2. THE STORMWATER EASEMENT AGREEMENT HAS BEEN RECORDED IN DB.5490, PG.350-356. 3. THE STORMWATER MAINTENANCE AGREEMENT HAS BEEN RECORDED IN DB.5427, PG.683-691. 4. THE OFFSITE EASEMENTS HAVE BEEN RECORDED IN DB.5532, PG.725-728. FACILITY INSPECTIONS DURING CONSTRUCTION: CONSTRUCTION INSPECTIONS ARE CRITICAL TO ENSURE THE UNDERGROUND DETENTION SYSTEM IS PROPERLY BUILT. BECAUSE THE TIMING OF THE INSTALLATION 15 DICTATED BY THE CONTRACTOR, THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER AND COUNTY INSPECTOR PRIOR TO INSTALLATION. UNDERGROUND DETENTION SYSTEM GENERAL NOTES: MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE SCHEDULED BY THE CONTRACTOR, WITH THE ENGINEER AND COUNTY INSPECTOR, DURING THE 1. TRASHRACKS SHALL BE INSTALLED ON ALL ORIFICES, INCLUDING THOSE LOCATED ALONG THE WEIR PLATE WITHIN THE FOLLOWING STAGES OF THE UNDERGROUND DETENTION SYSTEM CONSTRUCTION PROCESS: UNDERGROUND DETENTION SYSTEM, IN ACCORDANCE w/ THE DETAIL SHOWN ON ON THIS SHEET (OR EQUIVALENT). i. PRE -CONSTRUCTION MEETING 2. DETENTION SYSTEM's WEIR PLATE TO BE PRE -MANUFACTURED AND DELIVERED TO THE SITE. WEIR PLATE SHALL BE 2. INITIAL SITE PREPARATION (INCLUDING INSTALLATION OF PROJECT E&S CONTROLS) SECURELY AFFIXED TO THE INSIDE WALLS OF THE MANHOLE STRUCTURE. WEIR PLATE's MIDPOINT TO BE CENTERED ON 3. EXCAVATIONIGRADING(E.G., INTERIMIFINAL ELEVATIONS). THE MANHOLE, SPLITTING THE MH IN TWO TO OPTIMIZE AREA/ACCESS ON BOTH SIDES OF THE WEIR PLATE. 4. WHEN THE DETENTION PIPE SUBGRADE 15 READY FOR PIPE CONSTRUCTION, BUT BEFORE STONE BEDDING IS INSTALLED. 3. ANY RETAINING WALLS AND FOUNDATIONS CONSTRUCTED IN THE VICINITY OF THE UNDERGROUND DETENTION SYSTEM 5. AFTER STONE BEDDING IS PLACED AND COMPACTED, BUT PRIORTO PIPE INSTALLATION. SHALL BE REVIEWED AND APPROVED BY THE ARCHITECT AND A GEOTECHNICAL ENGINEER. UNDER NO CIRCUMSTANCES 6. ATTHE TIME OFTHE INSTALLPE ATION, PRIORT SHALL ANY PORTION OF THE UNDERGROUND DETENTION SYSTEM BE INSTALLED WITHIN THE PROPOSED BUILDING AND 7. ANALINFTER PECTION(DEVEL PA PRIOR LIST PLACING FACILITY ACCVER EPTANCE) PARKING PARKING STRUCTURES, OR ON AN ADJACENT PROPERTY. S. FINALINSPECTION(DEVELOPAPUNCH LIST FOR FACILITY ACCEPTANCE) 4. PUBLIC SEMINOLE TRAIL RIGHT-OF-WAY & SIDEWALK, AND THE PRIVATE SIDEWALK & PARKING AREA LOCATED WITHIN PLEASE ALSO SEE BELOW UNDER FACILITY MAINTENANCE FOR REQUIRED INSPECTIONS AFTER INSTALLATION IS COMPLETE. THE SWM EASEMENT, SHALL SERVE AS ACCESS TO THE PROPOSED UNDERGROUND DETENTION SYSTEM. 5. CONTACT COLLINS ENGINEERING (434.293.3719) REGARDING ANY QUESTIONS CONCERNING THE UNDERGROUND FACILITY INSPECTIONS & MAINTENANCE AFTER CONSTRUCTION: DETENTION SYSTEM. THE FOLLOWING MAINTENANCE TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING THE INSTALLATION OF THE UNDERGROUND 6. ALL FILL EMBANKMENT MATERIAL SHALL CONSIST PREDOMINANTLY OF SOIL AND BE PLACED IN SUCCESSIVE UNIFORM DETENTION SYSTEM. LAYERS NOT MORE THAN S INCHES IN THICKNESS BEFORE COMPACTION OVER THE ENTIRE AREA IN ACCORDANCE WITH 2. FOR THE FIRST YEAR FOLLOWING CONSTRUCTION, THE SITE SHALL BE INSPECTED BY THE CONTRACTOR QUARTERLY AND AFTER STORM EVENTS THAT EXCEED 2/2 CURRENT VDOT ROAD AND BRIDGE SPECIFICATIONS, OR THE FILL EMBANKMENT MATERIAL SHALL MEET THE PIPE INCH OF RAINFALL. WHICHEVER IS MORE STRINGENT SPECIFICATIONS OUTLINED BELOW 2. THE CONTRACTOR SHALL LOOK FOR BARE OR ERODING AREAS IN THE CONTRIBUTING DRAINAGE AREA AND AROUND THE UNDERGROUND DETENTION SYSTEM AND MANUFACTURER'S ( ). MAKE SURETHEYARE IMMEDIATELY STABILIZED. CONTRACTOR SHALL SPOT RESEEDAS NECESSARYAND ENSURE ADEQUATE SITE COVERAGE IS PROVIDEDWITHIN 7. ALL FILL SHALL BE PLACED AT 95% COMPACTION AND TESTED BY A GEOTECHNICAL ENGINEER TO ENSURE COMPACTION THE FIRSTYEAR. ATTHEQUARTERLY INSPECTIONS, AND AFTER EACH RAINFALL EVENTIN EXCESSOFi",THE CONTRACTOR SHALL PERFORM THE ANNUAL IS REACHED AND MAINTAINED, OR THE FILL SHALL MEET THE PIPE MANUFACTURER'S SPECIFICATIONS OUTLINED BELOW MAINTENANCE TASKS DESCRIBED BELOW IN #3. (WHICHEVER IS MORE STRINGENT). AFTER THE FIRST YEAR THE OWNER SHALL PERFORM FOLLOW-UP INSPECTIONS ANNUALLY, AND AFTER EACH SIGNIFICANT RAINFALL EVENT: S. VDOT STD. IS-1 & ST-1 ARE REQUIRED ON ALL PROPOSED PUBLIC STRUCTURES AND THE UNDERGROUND DETENTION 3. ASPRING MAINTENANCE INSPECTION AND CLEANUP SHALL BE CONDUCTED ANNUALLY. THE MAINTENANCE PROGRAM FOR THE UNDERGROUND DETENTION SYSTEM SYSTEM's JUNCTIONS. SHALL INCLUDE CLEANING IT ANNUALLY OF TRASH, DEBRIS &SEDIMENT AND ENSURING THE INTEGRITY OF THE WEIR PLATE, TRASH RACK AND OUTFACE &INFLOW 9. PRIORTO CONSTRUCTION THE CONTRACTOR SHALLTEST-DIG ATTHE EXISTING INLET & OUTFALL TO CONFIRM THE PIPES. THE OWNER SHALL ENSURE THE SYSTEM IS OPERATING AS INTENDED AND IS NOTCLOGGED OR DAMAGED. THE OWNER SHALL IMMEDIATELY CLEAN &REPAIR INVERTS AND TO ENSURE THE PROPOSED GRADES CAN BE ACHIEVED. CONTRACTOR SHALL CONTACT COLLINS THE FACILITY AS NECESSARY AND SHALL PAY SPECIAL ATTENTION TO THE INLET AND OUTLET LOCATIONS. THE ACCESS MANHOLES SHALL BE USED FOR INSPECTION ENGINEERING OF ANY DISCREPANCIES IN THE HORIZONTALOR VERTICAL ALIGNMENT PRIORTO ORDERING AND AND MAINTENANCE. CONSTRUCTION. IN THE EVENT THE EXISTING STORM DROP INLET CANNOT BE PRESERVED WITH THE INSTALLATION OF UNDERGROUND DETENTION SYSTEM MINIMUM TRENCH & BACKFILLTHE NEW OUTFALL, REQUIREMENTS: , THE DI WILL NEED TO BE REPLACED. 1. THE TRENCH CONTAINING THE SINGLE RUN OF 36" HP STORM PIPE (STR. 5) SHALL HAVE A 64" WIDE TRENCH lO.ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR CONSTRUCTION INDUSTRY 29 CFR PART 1926 . WIDTH. THE TRENCH CONTAINING THE 36" HP STORM PIPE, THE 15" HP STORM PIPE BYPASS AND THE 12" HP ( ) STORM PIPE OUTFALL SHALL HAVE AN 112" WIDE TRENCH WIDTH. 11.PENDING PRIOR APPROVAL BY COLLINS ENGINEERING THE DRAINAGE PIPE MATERIALS MAYBE SUBSTITUTED. ALL 2. CONTRACTOR SHALL WRAP THE EXCAVATED TRENCHES WITH A 6 OUNCE FILTER FABRIC CLOTH. A SUITABLE DRAINAGE PIPE INSTALLATION PRACTICES SHALL BE IN ACCORDANCE WITH CURRENT VDOT STANDARDS AND REQUIREMENTS ARE MET WITH ANY PIPE REQUIREMENTS. CONTRACTOR SHALL ENSURE MINIMUM COVER RE FOUNDATION SHALL BE BENEATH THE TRENCHES' FILTER FABRIC CLOTHS. Q Q 3. TRENCHES TO INCLUDE A 6" #57 STONE BED AT 95% COMPACTION BENEATH THE HP SUBSTITUTION. STORM PIPES. " WEIR PLATE DETAIL 4. TRENCHES SHALL BE BACKFILLED WITH #57 STONE AT 95°%COMPACTION AND SHALL EXTEND A MINIMUM OF 6 I SCALE:1"= VERTICALLY ABOVE THE CROWN OF THE HP STORM PIPES. - 5' 5. THE TOP OF THE #57 STONE SHALL BE COVERED WITH A 6 OUNCE FILTER FABRIC CLOTH OVERLAPPING THE S PREVIOUSLY INSTALLED CLOTH THAT SURROUNDS THE BOTTOM AND SIDES OF THE TRENCHES. N NIp :2 cV 1p� 284' SIMULATION OF PIPE OUTFALL 6. SUITABLE FILL REACHING THE FINISHED GRADES SHALL BE APPLIED ABOVE THE TOP LAYER'S FILTER CLOTH, O O � O OVERFLOW WEIR IS HYDRAULICALLY IMMEDIATELY UPLAND OF MEETING MINIMUM PIPE MANUFACTURER'S REQUIREMENTS TO PREVENT FLOATATION AND ENSURE PIPE 0 O O O - - O EQUIVALENTTO AN ORIFICE WITH AN WEIR PLATE WITHIN MH INTEGRITY IS MAINTAINED. 0 00 �- ~ 0 O 0 ~ APPROX. DIAMETER OF.86" 7. A MINIMUM COVER OF 12" IS REQUIRED ABOVE THE CROWN OF THE HP STORM PIPES. _- ~ (0 O > H H 9 ELEV.=472.25' 8. SEE THE'HP STORM TRENCH INSTALLATION DETAIL'ON THIS SHEET FOR ADDITIONAL UNDERGROUND 0 (D c0 � u� O � Ht rn � TOP OF PIPE rn w _ / - ln INSTALL TRASH RACKS ON ALL r rn ELEV.- 3.2 ' DETENTION SYSTEM PIPE REQUIREMENTS. _ (D r` rn o STR:2 MODIFIED (o (T't 4 L` O N cVI'D ORIFICES, TYP. SEE THIS SHEET 0 VDOT MH-1 0 J OOPHt O r� FOR DETAIL, OR EQUIVALENT. ELEV.=46925' g H (BOTTOM OF PIPE) N STA. 0+61.62 +Ln » � +Lr6 TP-474.00 It �7t ,�: ZOO o �� Z Z 0 MANUFACTURE/INSTALL(i)ONE 02" EINFORCED 22 GA. STEEL WEIR PLATE, LOW -FLOW ORIFICE IN THE WEIRPLATE INV N: 469.25 TO 4 � � 0- Z Z Z Z __ __ d Z Z Z ATTHE LOW POINT OF THE DETENTION SEOE'UNDE GLROUND DEENT RENTIAL SON SYSTEM NV OUT 46915 TO --- PROPOSED AC FOR INSPECTI PROPOSED LOWER 012" HP STO EW-6 (OUTFALL INVE UNDERGROUND DETENTION SYS 100-yr PEAK DESIGN WSE 10-yr PEAK DESIGN WSE 2-yr PEAK DESIGN WSE 1-yr PEAK DESIGN WSE PROPOSED 036" HDPE STANDPIPE (STR. 2 TRASHRACK TO SERVE AS THE RISER STRUCTURE. SE ON THIS SHEET, OR EQUIVALENT, FOR TRAS ARACK. R ELEV.=470.65. RISER TO HAVE ONE 1.25" LOW-FLON INV: 469.00 . RISER INV OUT=467.00 TO EXISTIN PREVENT FLOTATION THE RISER BASE SHALL 131 EMBEDDED 6" INTO AN i8" THICK REINFORCED CC FOUNDATION THAT IS GxU, AND BURIED BELOW C STR:EX 1 STR EXISTII STA. 0+l TP=4 INV IN: 466.19 TIC NV IN: 466.34 (TO REI NV IN: 466.09 (TO REI 1 12" MIN. COVER / OVE UGD / LESS MH w/ STAIRS-,,,,SYSTE , TYP. - - ON & MAINTENANCE.XISTIN - 480 GRADE 480 ZM PIPE WITH VDOT STD. / RT=469.00) TO SERVE AS / FEM 'A' PRIMARY OUTFALL ROPOSED / GR DE 475 475 =470.87 / l O ERFLO / =470.77 =470.67 i0 BYPASS, TO STR. 8 =470.63 )0) WITH PROPOSI E DETAIL 470 A DOWN SERVE A ISER RIM SYSTEM ORIFICE SLOPES 3 DI). TO - 0-5 1 .FIRMLY NCRETEN-k 36" HP STORK ROUND. 36" HP STORM PIPE 75.10 Li ®0., v1 DI) 4 5 42.35 LF ® 0.50% 4651 JG DI RESTRICTIVE WEIR PLATE AT LOW POINT, INV.=469 0.00 DRAIN THE SYSTEM. SEE DETAIL ON THIS SHEET. 71.69 12" HP STORM PIPE, 8.23 LF ® 1.827. 1 200 SEE GENERAL SWM FACILITY NOTES #2 & 4 ON THE PREVIOUS SH AAINRAIN) 12" HP STORM PIPE, 34.71 LF ® 2.33% 460 460 J n - r- M - LID GO W r, m O 00 00W It Ujr 0 I I It W 0+50 1+00 1+50 2+00 SYSTEM (INVERT ELEVATION 469.25 ). GENERAL NOTE, #z ON THIS SHEET. SEE GENERAL SWM FACILITY NOTE #y ON THE PREVIOUS SHEET. 4:N STR:8 MODIFIED VDOT MH-1 STA. 0+54.80 TP=474.79 INV IN: 470.55 TO 4 INV OUT: 470.45 TO 15" HP STORM PIPE 47.54 LF ® 3.05% :D SERIES OF 36" HP STORM PIPES WITH STREAM RESTRICTIVE WEIR PLATE TO S PROPOSED UNDERGROUND DETENTION 470 'A'. 30" HP STORM PIPES TO HAVE 0.50% NITH A TOTAL LENGTH OF 117.5' PIPE SEE GENERAL SWM FACILITY NOTES i0% #z & 4 ON THE PREVIOUS SHEET FOR C� DESIGN OF OUTLET PROTECTION. 465 N 25'. TO JET FOR DESIGN OF OUTLET PROTECTION. UGD SYSTEM AND DETENTION BASIN 4•f / .• • GRADE DETENTION BASINU CONSTRUCTION NOTES: TH 0 FACILITY PLANTING SPECIFICATIONS: F 1. THE DETENTION BASIN SHALL HAVE A TURF GROUND COVER, SUCH AS GRASS OR SOME OTHER FORM OF A VEGETATIVE GROUNDCOVER. LANDSCAPING BEYOND THIS IS OPTIONAL Q �� AND IS NOT REQUIRED FROM A STORMWATER MANAGEMENT STANDPOINT. HOWEVER LANDSCAPING MAY BE PROPOSED WITHIN THE FACILITY. SEE LANDSCAPING PLAN FOR 1� ADDITIONAL DETAILS PERTAINING TO THE SITE's OVERALL LANDSCAPING REQUIREMENTS. Q SIC R. LLINS� 2. THE PROPOSED INTERIOR SIDE SLOPES OF THE BASIN SHALL BE A MAXIMUM OF 3:1 TO REDUCE THE RISK OF EROSION. THE PROPOSED FLOOR SLOPES SHALL BE GRADED TO PROVIDE O H-H POSITIVE DRAINAGE AT ALL TIMES TO THE RISER STRUCTURE. Li Lic. No. 035791,a 3. WOODY VEGETATION SHALL NOT BE PLANTED OR ALLOWED TO GROW WITHIN 15 FEET OF THE TOE OF THE EMBANKMENT NOR WITHIN 25 FEET OF THE PRINCIPAL SPILLWAY e0 07/09/21 4' STRUCTURE. .'rV 4. THE SOILS IN THE STORMWATER BUFFER AREA ARE OFTEN SEVERELY COMPACTED DURING THE CONSTRUCTION PROCESS, TO ENSURE STABILITY THE DENSITY OF THESE COMPACTED o��s5'IONAL SOILS CAN BE SO GREAT THAT IT EFFECTIVELY PREVENTS ROOT PENETRATION AND, THEREFORE, MAY LEAD TO PREMATURE MORTALITY OR LOSS OF VIGOR. AS A RULE OF THUMB, E�G� PLANTING HOLES SHOULD BE THREE TIMES DEEPER AND WIDER THAN THE DIAMETER OF THE FOOTBALL FOR BALL -AND -BURLAP STOCK, AND FIVE TIMES DEEPER AND WIDER FOR CONTAINER -GROWN STOCK. 5. EXTRA MULCHING AROUND THE BASE OF TREES AND SHRUBS IS STRONGLY RECOMMENDED AS A MEANS OF CONSERVING MOISTURE AND SUPPRESSING WEEDS. CONTRACTOR REQUIREMENTS: 1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS. 2. LANDSCAPE CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADDITIONAL INFORMATION. THE CONTRACTOR SHALL ABIDE BY ITS CONTENTS; HOWEVER ANY NOTES OR SPECIFICATIONS ON THE PLANS SHALL SUPERSEDE THOSE OUTLINED IN THE SPECIFICATIONS MANUAL (COPIES ARE AVAILABLE FOR A FEE FROM THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETY OF LANDSCAPE ARCHITECTS, VIRGINIA NURSERYMEN'S ASSOCIATION, INC. AND THE VIRGINIA SOCIETY OF LANDSCAPE DESIGNERS). ALL DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION OF COLLINS ENGINEERING PRIOR TO THE CORRESPONDING CONSTRUCTION ACTIVITY. 3. ALL PLANT MATERIAL SHALL MEET THE MINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT ISSUE OF THE AMERICAN STANDARD FOR NURSERY STOCK, PUBLISHED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, 1250 STREET, NW, SUITE 500, WASHINGTON, DC 20005. 4. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. F- F- 5. THE LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSITE UTILITIES (CALL MISS UTILITY 1-800-552-7001 BEFORE ANY EXCAVATION). 6. REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION. F F 7. ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES. Q > 8. PLANTS WILL BE PREPARED FOR SHIPMENT IN A MANNER THAT WILL NOT CAUSE DAMAGE TO THE BARK, BUDS, BRANCHES, STEMS, OR OVERALL SHAPE OF THE STOCK. CONTAINER O U O U O GROWN PLANTS WILL BE TRANSPORTED IN THE CONTAINERS IN WHICH THEY HAVE GROWN. Z 9. ALL PLANT MATERIAL, UNLESS OTHERWISE SPECIFIED, SHALL BE UNIFORMLY BRANCHED AND HAVE A VIGOROUS ROOT SYSTEM. PLANT MATERIAL SHALL BE HEALTHY, VIGOROUS, AND P-H m Z Z Q FREE FROM DEFECTS, DECAY, DISEASES, INSECT PEST EGGS, AND ALL FORMS OF INFESTATION. ALL PLANT MATERIAL SHALL BE FRESH, FREE FROM TRANSPLANT SHOCK OR VISIBLE ,A a WILT. PLANTS DEEMED UNHEALTHY WILL BE REJECTED. V) � 10. ALL CONTAINER STOCK SHALL HAVE BEEN PROPAGATED IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPED SUFFICIENTLY TO HOLD ITS SOIL. CONTAINER Z g STOCK WITH POORLY DEVELOPED ROOT SYSTEMS WILL NOT BE ACCEPTED. 0 11. PLANTS NOT INSTALLED ON THE DAY OF ARRIVAL ON SITE SHALL BE STORED AND PROTECTED BY THE CONTAINER. OUTSIDE STORAGE AREAS WILL BE SHADED AND PROTECTED FROM O THE WIND AND SUN. PLANTS STORED ON SITE SHALL BE PROTECTED FROM ANY DRYING AT ALL TIMES BY COVERING THE BALLS OR ROOTS WITH MOIST SAWDUST, WET BURLAP, O Z p WOOD CHIPS, SHREDDED BARK, PEAT MOSS, OR OTHER SIMILAR MULCHING MATERIAL. 0 0 w m w m Z 12. THE OWNER RESERVES THE RIGHT TO SUBSTITUTE PLANT MATERIAL TYPE, SIZE AND/OR QUANTITY. ANY SUBSTITUTIONS MUST BE APPROVED BY THE INSPECTOR INITIALLY, AND THEN 5 _i Q Q g THE DESIGNER. U.] Q a 13. MINOR FIELD ADJUSTMENTS MAY BE NECESSARY DUE TO SITE CONDITIONS (EX: FOOTBALL AND UTILITY CONFLICT). MAJOR ADJUSTMENTS MUST BE APPROVED BY THE DESIGNER. P-H a a Q 14. NO PLANTING SHALL OCCUR WHEN THE SOIL IS FROZEN. IM04 ? p p Z 15. PLANT MATERIAL SHALL BE PLACED IN EXISTING SOIL WITH EACH PLANTING PIT EXCAVATED TO A SIZE SUFFICIENT TO CONTAIN THE ENTIRE ROOT BALL OR ROOT MASS, WITHOUT LL CRAMPING ROOTSTOCK. Lu Lu 16. THE CONTRACTOR SHALL MAINTAIN A ONE (1) CALENDAR YEAR 90% CARE AND REPLACEMENT WARRANTY FOR ALL PLANTINGS. THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN W AFTER INSPECTION AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR. 17. THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE PLANTING ON A DAILY BASIS. ce 18. THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANDALISM, FIRE, OR OTHER ACTIVITIES BEYOND THE CONTRACTOR's CONTROL. FACILITY CONSTRUCTION 1. THE DETENTION BASIN MAY SERVE AS A SEDIMENT BASIN AND/OR TRAP DURING PROJECT CONSTRUCTION. IF THIS IS DONE, THE VOLUME SHALL BE BASED ON THE MORE STRINGENT SIZING RULE (EROSION AND SEDIMENT CONTROL REQUIREMENTS VS. STORMWATER TREATMENT REQUIREMENTS). INSTALLATION OF THE PERMANENT RISER SHALL BE INITIATED DURING THE CONSTRUCTION PHASE, AND DESIGN ELEVATIONS SHALL BESET WITH FINAL CLEANOUT OF THE SEDIMENT BASIN AND CONVERSION TO THE POST -CONSTRUCTION FACILITY IN MIND. APPROPRIATE PROCEDURES SHALL BE IMPLEMENTED TO PREVENT DISCHARGE OF TURBULENT WATERS WHEN THE BASIN IS BEING CONVERTED TO AN DETENTION BASIN. 2. THE DETENTION BASIN SHALL ONLY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE FACILITY IS COMPLETELY STABILIZED. IF THE SITE OF THE PROPOSED SWM FACILITY WILL BE USED AS A SEDIMENTTRAP OR BASIN DURING THE CONSTRUCTION PHASE, THEN THE FACILITY WILL BE DEWATERED, DREDGED AND RE -GRADED TO DESIGN DIMENSIONS AFTER THE ORIGINAL SITE CONSTRUCTION IS COMPLETE. MODIFICATIONS SHALL BE MADE TO THE RISER, ORIFICES AND BARRELS AS REQUIRED SO THAT THEY ARE o 0 0 0 .-+ CONSISTENT WITH THE FINAL CONSTRUCTION SPECIFICATIONS. N rN 3. THE CONTRACTOR SHALL ASSEMBLE CONSTRUCTION MATERIALS ON -SITE, MAKING SURE THEY MEET DESIGN SPECIFICATIONS AND ARE PREPARED AT STAGING AREAS WHEN POSSIBLE. � N C) C)4. THE CONTRACTOR SHALL CLEAR AND STRIP THE PROJECT AREA IF REQUIRED TO THE DESIRED SUB -GRADE. � � c N 5. INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION OF THE BASIN, INCLUDING TEMPORARY DE -WATERING DEVICES AND STORMWATER DIVERSION PRACTICES. ALL AREAS SURROUNDING THE BASIN THAT ARE GRADED OR DENUDED DURING CONSTRUCTION SHALL BE PLANTED WITH TURF GRASS, NATIVE PLANTINGS, OR OTHER APPROVED METHODS OF SOIL STABILIZATION. 6. CONTRACTOR SHALL EXCAVATE THE CORE TRENCH AND INSTALLTHE SPILLWAY PIPE DURING THE ESC PHASE. 7. CONTRACTOR SHALL ALSO INSTALL THE RISER, OUTFLOW STRUCTURE AND/OR THE BARREL(s) WITH PERMANENT COLLARS DURING THE ESC PHASE TO ENSURE THE TOP INVERT OF THE OVERFLOW WEIR IS CONSTRUCTED LEVEL AT THE DESIGN ELEVATION. 8. THE CONTRACTOR SHALL CONSTRUCT THE EMBANKMENT AND ANY INTERNAL BERMS IN 8-TO 12-INCH LIFTS, COMPACTION SHALL BE COMPLETED IN LIFTS WITH APPROPRIATE UTLINED IN TABLE 14.4 BELOW: Table 14.4. Clay Liner SpecTcarions Property Test Method Unit Specification Permeability ASTM D-2434 Cmisec 1 X 1 Plasticity Index of Clay ASTM D-4231424 % Nol less than 15 Liquid Limit of ClayASTM D-2216 % Not Ie55 dean 30 ClayParBUes Pass ng ASTM D422 % Not less than 30 tawy Com coon ASTM o- , , -, % 95% of standard ofoctor densitv Source: Virginia Stonnwaler Management HarWD00k J1999) 9. UPON COMPLETION OF THE EMBANKMENT GRADING, THE CONTRACTOR SHALL EXCAVATE/GRADE UNTIL THE APPROPRIATE ELEVATION AND DESIRED CONTOURS ARE ACHIEVED FOR THE BOTTOM AND SIDE SLOPES OF THE BASIN. 10. CONTRACTOR SHALL THEN CONSTRUCTTHE EMERGENCY SPILLWAY IN CUT OR STRUCTURALLY STABILIZED SOILS. 11. THE CONTRACTOR SHALL THEN FINISH CONSTRUCTION OF ALL OUTLET STRUCTURES INCLUDING DOWNSTREAM RIP -RAP APRON PROTECTION. 12. THE CONTRACTOR SHALL NEXT STABILIZE EXPOSED SOILS BY HYDROSEEDING OR SEEDING OVER STRAW. 13. THE CONTRACTOR SHALL THEN INSTALL THE APPROPRIATE BASIN LANDSCAPING IN ACCORDANCE WITH THE APPROVED PLANS. FACILITY MAINTENANCE: MAINTENANCE OF THE DETENTION BASIN IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OF THE FACILITIES. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER: 1. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE BASIN. 2. MONITOR THE GROWTH OF THE GROUNDCOVER AND ANY TREES AND SHRUBS PLANTED, AS APPLICABLE. RECORD THE SPECIES AND THEIR APPROXIMATE COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES AS APPLICABLE. 3. INSPECT THE CONDITION OF STORMWATER INLETS TO THE BASIN FOR MATERIAL DAMAGE, EROSION OR UNDERCUTTING. 4. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS IF APPLICABLE FOR EVIDENCE OF SLOUGHING ANIMAL BURROWS BOGGY AREAS WOODY GROWTH OR GULLY EROSION THAT MAY UNDERMINE EMBANKMENT INTEGRITY. 5. INSPECT BASIN OUTFALL CHANNEL, IF APPLICABLE, FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, etc. 6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING JOINT FAILURE LEAKAGE CORROSION OR OTHER FAILURES. 7. INSPECT CONDITION OF ALLTRASH RACKS REVERSE SLOPED PIPES OR FLASHBOARD RISERS FOR EVIDENCE OF CLOGGING LEAKAGE DEBRIS ACCUMULATION OR OTHER FAILURES. B. INSPECT MAINTENANCE ACCESS TO ENSURE IT IS FREE OF WOODY VEGETATION, AND CHECK TO SEE WHETHER VALVES, MANHOLES AND LOCKS CAN BE OPENED AND OPERATED. 9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE BASIN FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, OR SLUMPING. 10. OWNER OR CONTRACTOR SHALL MAKE NEEDED REPAIRS IMMEDIATELY. FACILITY INSPECTION: MULTIPLE INSPECTIONS ARE CRITICAL TO ENSURE THE BASIN s ARE PROPERLY CONSTRUCTED. BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY THE CONTRACTOR THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER AND INSPECTOR PRIOR TO INSTALLATION. MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE SCHEDULED BY THE CONTRACTOR WITH THE ENGINEER AND INSPECTOR DURING THE FOLLOWING STAGES OF THE DETENTION BASIN's CONSTRUCTION PROCESS: 1. PRE -CONSTRUCTION MEETING 2. INITIAL SITE PREPARATION INCLUDING INSTALLATION OF PROJECT E&S CONTROLS 3. EXCAVATION/GRADING (e.g., INTERIM/FINAL ELEVATIONS) 4. DETENTION BASIN INSTALLATION (e.g., INTERIM AND FINAL ELEVATIONS) 5. INSTALLATION OF THE EMBANKMENT, THE RISER/PRIMARY SPILLWAY, AND THE OUTLET STRUCTURE(s). 6. PLANTING PHASE (WITH AN EXPERIENCED LANDSCAPE ARCHITECT PRESENT/DIRECTING IF APPLICABLE) 7. FINAL INSPECTION (DEVELOP A PUNCH LIST FOR FACILITY ACCEPTANCE) 4751 STR:4 MODIFIED VDOT DI-3B, L=6' STA. 1 +03.97 TP=475.20 NV IN: 469.56 TO 6 INV IN: 471.56 TO 102 470 INV OUT: 469.46 TO 2 NV OUT: 471.50 TO 8 36" HP STORM PIPES, PART OF UNDERGROUND DETENTION SYSTEM 'A' 15" HP STORM PIPE, 5.83 LF ® 1 (EMERGENCY OVERFLOW/ BYPASS) PROPOSED ELEVATED 015" HP STORM PIPES ALLOW MORE SIGNIFICANT & LESS FREQUENT STORM EVENTS TOSAFELYBYPASS UNDERGROUND DETENTION SYSTEM 'A' 4601 - JJ O W W Oj Tco�o_rldtt_ Ll � W l� PROFILE SCALES: 1 1"=50'(H)"=5' (V) [11M X1zwA&7 BYPASS HP STORM TRENCH INSTALLATION DETAIL I MIN. COVER TO MIN. COVER TO RIGID PAVEMENT, H FLEXIBLE PAVEMENT, H FINAL BACKFILL . SPRINGLINE T' INITIAL ,/ ye p,.-),.i BACKFILL / HAUNCH BEDDING 4-FOR 1r-21•PIPE �I... ..r,:u."':: a:.•+ 6- FOR WHOOP PIPE I MIN TRENCH WIDTH. I SUITABLE t� (SEE TABLE) �1 FOUNDATION NOTES: 1. ALL PIPE SYSTEMS SHALL BE INSTALLED IN ACCORDANCE WITH ASTM W321,'STANDARD PRACTICE FOR UNDERGROUND INSTALLATION OF THERMOPLASTIC PIPE FOR SEWERS AND OTHER GRAVITY FLOW APPLICATIONS' LATESTADDITION WITH THE EXCEPTIONTHATTHE INMALBACKFILLMAY EXTEND TOME CROWN OFTHE PIPE. SOIL CLASSIFICATIONS ARE PER THE LATEST VERSION OF ASTM 02MI. CLASS IVB WTERhllS (MH, CH) AS DEFINED IN PREVIOUS VERSIONS OF ASTM D2321 ARE NOT APPROPRIATE BACKFILL MATERIALS. 2. MEASURES SHOULD BE TAKEN TO PREVENT MIGRATION OF NATIVE FINES INTO BACKFILL MATERN-WHEN REQUIRED. 3. FOUNDATION: WHERE THE TRENCH BOTTOM IS UNSTABLE, THE CONTRACTOR SHALL EXCAVATE TO A DEPTH REQUIRED BY THE ENGINEER AND REPLACE WITH SUITABLE MATERIAL AS SPECIFIED BY THE ENGINEER AS AN ALTERNATIVE AND ATTHE DISCRETION OF THE DESIGN ENGINEER, THE TRENCH BOTTOM MAY BE STABILIZED USING A GEOTEXTILE MATERIAL 4. BEDDING: SUITABLE MATERIAL SHALL BE CLASS I. II, III, OR IV. THE CONTRACTOR SHALL PROVIDE DOCUMENTATION FOR MATERIAL SPECIFICATION TO ENGINEER COMPACTION SHALL BE SPECIFIED BY THE ENGINEER IN ACCORDANCE WITH TABLE 3 FOR THE APPLICABLE FILL HEIGHTS LISTED. UNLESS OTHERWISE NOTED BY THE ENGINEER MINIMUM BEDDING THICKNESS SHALL BE 4- (100mm) FOR 1r-24' (300 wn 800"n) DIAMETER PIPE; 6- (150mm) FOR 30'EO' (750mr,1500mm) DIAMETER PIPE, THE MIDDLE 113 BENEATH THE PIPE INVERT SHALL BE LOOSELY PLACED. PLEASE NOTE, CLASS IV MATERIAL HAS LIMITED APPLICATION AND CAN BE DIFFICULT TO PLACE AND COMPACT. USE ONLY WITH THE APPROVAL OF A SOIL EXPERT. S. INITIAL BACKFILL: SUITABLE MATERIAL SHALL BE CLASS I.II.III.OR IV IN THE PIPE ZONE EXTENDING TO THE CROWN OF THE PIPE. THE CONTRACTOR SHALL PROVIDE DOCUMENTATION FORMATERIAL SPECIFICATION TO ENGINEER. MATERIAL SHALL BEINSTALLEDASREOUIREDINASTMD2321,LATESTEDITION. COMPACTION SHALLBE SPECIFIED BYTHE ENGINEER IN ACCORDANCE WITH TABLE 3 FOR THE APPLICABLE FILL HEIGHTS LISTED. PLEASE NOTE, CLASS IV MATERIAL HAS LIMITED APPLICATION AND CAN BE DIFFICULTTO PLACE AND COMPACT: USE ONLY WITH THE APPROVAL OF A SOIL EXPERT. 6. MINIMUM COVER: MINIMUM COVER H, IN NON -TRAFFIC APPLICATIONS(GRASS OR LANDSCAPE AREAS) IS 12"(300nm) FROM THE TOP OF PIPE TOGRWND SURFACE. ADDITIONAL. COVER MAY BE REQUIRED TO PREVENT FLOTATION. FORTRAFFIC TABLE 1, RECOMMENDED MINIMUM TRENCH WIDTHS PIPE DIM. MIN.TRENCH WIDTH r 30Umm 5' w 34' 375 883v 18'- 450ol WIR 24• 600mm 121&nm SOP w 50mm 1422mm w w (900nen)1B28mm 42' 7r 1050mm 1I29mm 12UOmm 2032mm 60• 88 1, Osm 2438mm TABLE 2, MINIMUM RECOMMENDED COVER BASED ON VEHICLE LOADING CONDITIONS SURFACE LIVE LOADING CONDITION PIPE DIM. M-25 HEAW CONSTRUCTION (75T MILE LOAD) • 1r-". 300mm-1200mm 12' OB' 1219mm SP 1500mm 24' S10mm 60 1524mm clASS1 CLASS II CLASS III CLMBS IV PIPE DR COMPACTED 95% 90% I 85% 95% 1 90% 0% 1T 41 28 21 18 20 16 16 (30Onm) (12.5m) (8.5m) (6Am) (4.9m) S.1m) (4.9m) (4.9m) 1S 42 29 21 16 21 16 16 (S7Bnm) (12.8m) (9.Bm) (SAM) (4.Bm) (6.4m) (4.em) (4.9m) 1r 44 30 21 16 22 17 18 (450nm) (13Am) (9.1m) (6.Im) (4.Bm) (8]m) (52n) (I 24' 37 28 18 14 19 14 14 (60anm) (11.3m) n.Bm) (5.5m) (4.3m) (5.Bm) (/.3m) (4.3m) 30, 39 27 19 14 19 1s 14 (750nm) (i1.Bm) Ri. ) (5.Bm) (4 SIR) (5.Bm) (4.Bm) (4.3m) 38' 28 20 14 10 74 11 10 (9131l (8.5m) (Il (4."(&0m) (4.3m) (I (3.On) 4r 30 21 14 10 15 11 10 (1050nm) (SAM) (SAM) (4.3m) (3.Om) (4.8m) (3Am) (3.On) 48• 28 20 14 B 14 10 10 (1200sm) (8.Sm) (6.1m) (4.3m) (2.TmI (4.3m) (3.0m) (310 SO• 28 20 14 B 14 10 9 (7500mm) (S.Bm) (8.1 m) (4Sm) (2.7m) (4.3m) (3.0nn) (2.7m) FILL HEIGHT TABLE GENERATED USING AASHTO SECTION 12. LOAD APPLICATIONS; CLASS I OR II MATERIAL COMPACTED TO 90% SPD AND CLASS III COMPACTED TO 0% SPD IS REQUIRED. RESISTANCE FACTOR DESIGN(LRFD) PROCEDURE WITH THE FOLLOWING FOR TRAFFIC APPLICATIONS, MINIMUM COVER H, IS 1r ()Wmn) UP TO 4W (12(LOnm) DIAMETER PIPE AND 24• (600mm) OF ASSUMPTIONS: COVER FOR 60- (I500mm) DIAMETER PIPE, MEASURED FROM TOP OF PIPE TO BOTTOM OF FLEXIBLE PAVEMENT NO HYDROSTATIC PRESSURE OR TO TOP OF RIGID PAVEMENT. UNIT WEIGHT OF SOIL (VS) =1M POF 7. FOR ADDITIONAL INFORMATION SEE TECHNICAL NOTE 104. a 1 REV.MAXNUMCOVERHEKNrtS I RIND I ev11nT e.a. AG REV. DESCRIPTION BY MM➢IWY CHK'O FRONDEDTO ADS. THISDRAWINGIS ADVANCED DRAINAGE SYSTEMS. INC.TS S'IHASPREPAREDTHISDETNLERFOR JAB E ANY ENGINEERING INTENDED TO DEPICT THE COMPONEMS AS 0.EOUESTEO. ADS HAS NOT PERFORMED ANY EHGINEEW NG OR DESIGN SERNCES FOR iN14 PROJECT, NOR HAS ADS IHDEPENOENTLY VEPoFIED THE INFORMATION SUPPLIED. THE IN3TALLATON DETAILS PR RE GENERAL yLUIILOEMANBLVO TT�TCH 11181'IDASIOR s(UPer e1QBN9 ETME PRIOR RECOMMENmnoO MDMENOTSPECIFICFORTHISPROJECT. THEDESIGNENGINEERSH4LRENEWTHESEOETNLS PPoOR TO DSr4W 81'OWI) HILLIARDpp,302B CONSTRIICTIXL nISTHE DESIGN ENCANEERS RESPONSIBILT'TO ENSURE THE DETAILS FRONDEDHERBN MEETSOR EXCEEDS THE MT .STATE,GRLO MOVIREMENTSMOMENSURETINTTHEDETNLSPRONDEDMRENAAEACf£PTAELE FaLTH15 vaw":ewnanc. INS DAWING NUMBER: 9TD1D1D psana131EN PRDIECr 1 OF 1 �A z z Q r- J/� M LL ,7, ^ . I..L 0! M f ) WI V\/ CN O W (n W CN J II i- z> \ LLJ W / 0 -7 V ) MONSOON 11 W z tj � r_ W W -4 F W O 0 0J z z Q Q c G W" Uw l4 1// Q F"1 0L Ln (d co O zPAA4 `� P4 � � z W tI1J W W C4 J 0 CN O H 1 W C, U) KIWOM SCALE AS SHOWN SHEET NO. 8