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I—— ;­ r � ­__-_______­_-__­__,_­- '- ----------'----------'--'--.-,.�-- -_­­ ­.r_­___. 1-1��--_____,_,_____._,__._____,___ _ _. __._ ____, ­r- ­ ,---- - - -­ --- ------ � _ - ___-, __ � ­­ Eel I x 9�, a _ 1. THE CON HAVE TRACTOR SHALL A COMPLETE SET OF CONTRACT DOCUMENTS, ALL PERMIT APPROVALS, AND EASEMENTS ON • -. .�_ - : __- .. - . ___-. _. - - . _ _ � THE JOB SITE AT ALL TIMES. R5 SCALE: 1":200' 2• ALL EXISTING UTILITIES HAVE BEEN LOCATED FROM THE INFORMATION AVAILABLE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO ACCURATELY LOCATE BOTH HORIZONTALLY AND VERTICALLY ALL EXISTING UTILITIES PRIOR TO START OF CONSTRUCTION /R5 -- - / � RURAL AGRICU.L.TURAL - - AND ADJUST ACCORDINGLY, ALL COSTS ASSOCIATED WITH -ANY .-DAMAGE TO EXI-STING- UTILITIES RESULTING .FRO-M_-THE--_ - - - _ - _ _ _. _ - - - - _ - _ . -- - - _ R TO AT PROTE - HE EXIST U 1 DURING CONSTRUCTION SHALL-BEBORNE _SOLELY BY- - T T LITI ES --THE _ CONTRACTOR ' R5 \ 3. CONTRACTOR SHALL MAKE EVERY EFFORT TO SAVE PROPERTY IRONS, MONUMENTS, OTHER PERMANENT POINTS AND LINES / WWTP �� OF REFERENCE AND CONSTRUCTION STAKES. PROPERTY IRONS, MONUMENTS, AND OTHER PERMANENT POINTS OF REFERENCE / R5 / \ Joo , _ DESTROYED BY THE CONTRACTOR SHALL BE REPLACED BY A -,REGISTERED- LAND, SURVEYOR AT THE CONTRACTOR'S EXPENSE. VAYTP - I R5 / \ 4. CONTRACTOR SHALL CLEAR AND GRUB ALL WORK AREAS WHERE IMPROVEMENTS ARE PROPOSED. ANY USE OF PRIVATE 1 1 �300' BUFFER I LAND SHOULD BE DOCUMENTED AND COPIED TO ENGINEERING FIELD REPRESENTATIVE. DISTURBANCE AREA IS LESS THAN 1 Rj R5 �� PROPOSED I (FROM OUTSIDE OF BASIN) I I ACRE. EQUALIZATION 5. THE CONTRACTOR BASIN B- _ SHALL -FURNISH, INSTALL, AND MAINTAIN ALL NECESSARY EROSION CONTROL MEASURES WHETHER OR NOT -- ' - - WWTP � _ 1 -.. -_ HO -- N THE PLANS PROTECT ADJACENT CREEKS-RIV€RS ROADWAYS ETC. FROM SILTATION AND EROSION. A 7 R5\ / �� 6. NO FERTILIZERS SHALL BE APPLIED WITHIN 10 FEET OF STREAMS. ANY FERTILIZER APPLICATION MUST COMPLY WITH ALL / OTHER FEDERAL, STATE, AND LOCAL REGULATIONS. R5 \\ R5 � /R5 R5 � 7. ALL DITCHESDISTURBED DURING CONSTRUCTION SHALL BE RESTORED TO PRE -CONSTRUCTION CONDITION OR BETTER AND R5 �F' \ R5 LINED WITH STRAW AND NET MATTING UNLESS OTHERWISE NOTED. \ R5 R5 / R5 / R5 8. THE CONTRACTOR SHALL BE RESPONSIBLE FOR RELOCATION OF EXISTING UTILITIES IF REQUIRED DURING INSTALLATION OF � R5 �� NEW WORK. ANY RELOCATION OF EXISTING UTILITIES MUST BE COORDINATED WITH THE AFFECTED UTILITY COMPANY. R5 R5 � R5 R5 9. THE CONTRACTOR SHALL SUPPORT ALL UTILITY POLES AS NECESSARY. THE CONTRACTOR SHALL COORDINATE UTILITY POLE R5 � � � SUPPORT WITH THE APPROPRIATE UTILITY COMPANIES. LAKE HOLIDAY R5 `R'' - 10. THE CONTRACTOR SHALL RESTORE ALL DISTURBED AREAS TO THE EXISTING GRADE UNLESS OTHERWISE NOTED ON THE DRAWINGS. 0 LAKE HOLIDAY 11. CONTRACTOR SHALL REPAIR ALL DRIVEWAYS, PAVED OR UNPAVED, TO EXISTING OR BETTER CONDITIONS IF DISTURBED r R5 NOTE: DURING CONSTRUCTION. `Jd 15 20_ T= ALL R5 PARCELS ARE SINGLE- FAMILY RESIDENTIAL: LOTS: - - 12 ALL TIE-INS TO EXISTING WWTP STRUCTURES T AN LIMP MA ALL T - UREA D P STATION FORCE INS SHALL BE COORDINATED WITH OWNER _ AT LEAST 48 HOURS PRIOR TO MAKING CONNECTION. ._- � -- - - . - - - _. •• N 0 _ ALL PROVIDE TEMPORARY ,• 13. CONTRACTOR SHALL Y R FENCING AROUND UV FACILITIES CONSTUCTION SITE TO MAINTAIN WWTP fA SECURITY PERIMETER. m .. U-1Uj _ - CD 1 N ^_ _ Cp ABBREVIATIONS - w ABANDONNE[ -- - ABAND FLOOR DRAIN FD _ PRECAST _ PC_ ADJUSTABLE ADJUST_- FOOTING _ _ FTG . PREFORMED PLASTIC ` j _ ALUMINUM ALUM -FOUNDATION - FDN ADHESIVE WATERSTOP PPAWS U BACKFLOW PREVENTER BFP FORCE MAIN FM PRESTRESSED CONCRETE PS CONC BENCH MARK BM FIBERGLASS FRP PROPERTY LINE PIL - _ BUILDING BLDG GALLONS PER DAY. GPD PROPOSED PROP------ - s CENTER LINE - CL GALLONS PER HOUR GPH REINFORCED CONCRETE CYCLINDER PIPE RCCP - CENTER TO. CENTER CA - CENTER GALLONS PER MINUTE GPM REDUCER RDC -- - _ - CONCRETE CONC GRATING GRTG REINFORCE (D) (ING) (MENT) REINF - C3 CONSTRUCTION JOINT CJ GROUND GND REQUIRED REQD - CONTROL -DENSITY FILL CDF HEATING, VENTILATING HVAC RIGHT OF WAY -R/W CONTROL JOINT CLJ & AIR CONDITIONING SANITARY SAN = COUPLING CPLG HIGH POINT HP SANITARY MANHOLE SMH s DEMOLITION DEMO HORIZONTAL HORIZ SQUARE SQ a -- DIAMETER., _ DIA HOSE BIB HB SQUARE FOOT SQ FT _ DOWELS _ _OWLS INFLUENT.-- INF SQUARE YARD SQ YD Q DOWN DN INVERT INV STAINLESS STEEL SST DRAIN DR IRON PIPE IP TAPPING SLEEVE & VALVE TS&V Q DUCTILE IRON DI LINEAR LIN TEMPORARY SEDIMENT TRAP TST C EASEMENT ESMT LINEAR FOOT LF TEST BORING-XX (E.G. TB-1) TB-XX co EDGE OF PAVEMENT EP MANHOLE MH THICKNESS THK N' EFFLUENT EF MANUFACTURER MFGR TO BE ABANDONED TEA N� ELEVATION EL MASONRY OPENING MO TO BE REMOVED TBR CN ENGINEER ENGR MAXIMUM MAX TOP AND BOTTOM T&B �i EQUALIZATION EQ MECHANICAL JOINT MJ TYPICAL TYP ESTABLISHED EST MINIMUM MIN ULTRAVIOLET UV � EXISTING EXST NORMAL WATER LEVEL NWL UNLESS OTHERWISE NOTED_ LION E Z EXPANSION EXPN NOT TO SCALE NTS VERTICAL VERT OPENING OPNG WASTEWATER WW PAVEMENT PVMT WASTEWATER TREATMENT PLANT WWTP - PLATE WATER MAIN WM . -- - - _ _ _ -_ WITH Wt _. YARD HYDRANT. YH F— N v KEYPLAN SEAL SEALTo Am `oo+v'enee®ee CD� z e��.�QLTH pARCAD1.3 ..-0 V' SEk o Y _ E i 031587 f 4 ARCADIS US, Inc. o ® ¢ �'� �' °'•. ��IN��;••°O .��� 128 South Ton Street, Suite 1100 00 Q �9( p E°•t{P; o�, Charlotte, NC 28202 cti e0$#11 n�"��' - - Fax:- 71 0 REV. ISSUED DATE DESCRIPTION - _._ .Sm PdOT YAI1D :UWLESS-5IGNEQ--A1dD QATED, Www'a PCUdiS US.CORI e — -PROJECT DATA 1: SYSTEM OWNER: AQUA LAKE HOLIDAY UTILITIES, INC. - _ - 2. FACILITY LOCATION: 231 SOUTH LAKEVIEW DRIVE - _-- CROSS JUNCTION, VIRGINIA - - 3. VPDES PERMIT NO. VA0027642 4. CURRENT- CAPACITY-240,000 GPD 5. CAPACITY AFTER IMPROVEMENTS-240,000 GPD nfmj��'o Mic"IN11, MA GENERAL: MISS UTILITY 1-800-552-7001 WATER/SEWER: AQUA LAKE HOLIDAY UTILITIES, INC. TELEPHONE: BELL ATLANTIC 954-6213 ELECTRIC: ALLEGHENY POWER 1-800-255-3443 PROJECT MANAGER DEPARTMENT MANAGER LEAD DESIGN PROF. CHECKED BY AQUAG. HATTON R. DARDEN G. HATTON G. HATTON V i rg i n i a,m SHEET TITLE TASK/PHASE NUMBER DRAWN BY LAKE HOLIDAY 00002 A. APPLE GENERAL NOTES AND PROJECT NUMBER DRAWING NUMBER EQUALIZATIONI SITE LOCATION MAP UV DISINFECTION CN7AQ803.VA00 2- U W U W 0 Q �co CY IZ U co Q o> N v tn�- N _g z CD U) a U a 00 0 cV O EXISTING TREE LIMITS (TYPICAL) 0 20' 40' 60' SCALE IN FEET 1":20' .s. _ _ I --- GRASS ` I y � � PARING _ 1 x \ + 4?72 I I -- /12" co: T TANK 1 PROPANE TANK F MAIN � -- -_ Y4N47 4 x --APPX ��'- EIEy 8 54 ! 1 CRAW ALK BASIN LL 0 -7 If TANK �1 ! GRAVa rr864 1 j METAL %�� I x G 1YAa- ) '� J POLE SHED O 1 � 1 � t +� 880.08 II 1 SL DRMG RIM=879 PUMP NOU57NG Anp� t Q J f o INV.=876. FOR Ot °�f \ ! Ps ze I CY'Ur FM FM 10-'FU FLOC_ -APPRoX \` J % GUARDPOST.. (TYPICAL) f J 24" TREE GRAVEL PARKING s ,( � 1 -� 14 . IR w/CAP D10 N=7161176.268 E=11537011.354 FI FV=878-61 \- PROTECT J BENCHMARK 4000, ,•' E 4 / PARKING PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT AN EQUALIZATION BASIN AND UV DISINFECTION TANK AT THE EXISTING LAKE HOLIDAY WWTP SITE. THE FACILITY IS LOCATED AT 231 S LAKEVIEW DRIVE, CROSS JUNCTION, VIRGINIA, IN THE LAKE HOLIDAY ESTATES RESIDENTIAL COMMUNITY NEAR U.S.-522, APPROXIMATELY 12 MILES WEST OF THE CITY OF WINCHESTER. A TOTAL OF .44 ACRE WILL BE DISTURBED DURING CONSTRUCTION OF THE BASIN AND TANK. EXISTING SITE COND! 'IONS THE PROPOSED SITE IS GENERALLY FLAT AND ALMOST ENTIRELY OCCUPIED BY THE CURRENT TREATMENT FACILITIES. AREAS NOT DIRECTLY COVERED BY TREATMENT FACILITIES ARE GRAVELED OR GRASSED. A GEOTECHNICAL EVALUATION ON THE PROJECT SITE ENCOUNTERED NO TOPSOIL. ADJACENT PROPERTY THE 4.94 ACRE PARCEL TO THE NORTH AND EAST OF THE 0.70 ACRE WWTP SITE IS CURRENTLY OWNED BY LAKE HOLIDAY COUNTRY CLUB, BUT WILL BE TRANSFERRED TO AQUA FOR FUTURE WWTP EXPANSION. THIS PROPERTY CONTAINS A STORAGE/OFFICE BUILDING AND GRAVELED MATERIALS/EQUIPMENT YARD FOR THE DEVELOPMENT MAINTENANCE STAFF. THE 32.00 ACRE PARCEL SOUTHEAST OF THE WWTP IS ALSO OWNED BY LAKE HOLIDAY COUNTRY CLUB. IT CONTAINS 10 TO 15 PERCENT SLOPES TOWARD THE DAM DISCHARGE STREAM. A PORTION OF THIS PROPERTY IS REQUIRED FOR REV. ISSUED DATE DESCRIPTION KEYPLAN I RT w/CAP D 189 N=7161319.499 E=11537247.660 ELEV.=873.25 PROPOSED UV FACILITY LOCATION )93 REMOVE AND REPLACE FENCE AS REQUIRED OVjc GATES AND CE AT COMPLETION CONSTRUCTION BLOWER PAD ELEV. 880.5 GENERATOR PAD ELEV. 880.5 EROSION CONTROL LEGEND SF TEMPORARY SILT FENCE (;E MIN. 18' X 70' CONSTRUCTION ENTRANCE RR CLASS I RIPRAP OPERMANENT SEEDING LIMIT OF DISTURBANC1 870 EXISTING MAJOR CONTOUR - -871-- - EXISTING MINOR CONTOUR EROSION AND SEDIMENT CONTROL NARRATIVE 870 871 C PROPOSED MAJOR COI+TOUR PROPOSED MINOR CONTOUR BERKS CHANNERY SILT LOAM 0 VICINITY MAP N.T.S. GENERAL EROSION AND SEDIMENT CONTROL NOTES 1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCR) AND VIRGINIA REGULATIONS 4VAC50-30 EROSION AND SEDIMENT CONTROL REGULATIONS. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE: PRECONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENC!N'G 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 0"NNE FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS, WATER MUST BE PUMPED INTO AN APPROVED FILTERING DEVICE. CONSTRUCTION OF THE EQUALIZATION BASIN. BEYOND THE LIMITS OF CURRENT EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL DISTURBANCE, THE TWO PARCELS ARE FORESTED WITH DECIDUOUS AND EVERGREEN VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL TREES. BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR OFFSITE AREAS A PORTION OF THE ADJACENT 32.00 ACRE PROPERTY WILL BE SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. USED TO CONTRUCT THE EQUALIZATION BASIN. LAND DISTURBANCE WILL INCLUDE EXCAVATION AND BACKFILL OF' THE BASIN TANK. EXCAVATED SOIL WILL BE REMOVED STRUCTURAL PRACTICES: FROM THE SITE. THE AREA 017 THE SITE TO BE DISTURBED IS CURRENTLY 1. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE GRAVELED. INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON ESC PLAN. SOILS THE PREDOMINANT SOIL. ON THE SITE IS BERKS CHANNERY SILT LOAM. THE PERMEABILITY RATE OF THE SOIL IS 0.20-5.95 INCHES PER HOUR, AND THE SOIL 2. TEMPORARY STONE CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY HAS LOW ERODIBILIIY WITH A FACTOR (K) OF 0.17. THE HYDROLOGICAL GROUP IS CONSTRUCTION ENTRANCE SHALL BE INSTALLED WHERE INDICATED. DURING MUDDY C, AND THE HIGH WATER TABLE IS 6 FEET. CONDITIONS, DRIVERS OF CONSTURCTION VEHICLES WILL BE REQUIRED TO WASH THEIR WHEELS BEFORE ENTERING LAKEVIEW DRIVE. WASHRACK NOT REQUIRED. CRITICAL AREAS THERE ARE NO CRITICAL AREAS ON THE WWTP PARCEL ALTHOUGH 10-15% SLOPES ARE FOUND IN THE ADJACENT 32.00 AC PROPERTY ON WHICH 3. OUTLET PROTECTION - 3.18 THE EQUALIZATION BASIN WILL. BE CONSTRUCTED. THESE CRITICAL AREAS ON THE RIPRAP IS TO BE PLACED AT THE OUTLET OF THE 16" PIPE THAT DRAINS TOWARD ADJACENT PROPERTY WILL NOT BE DISTURBED. THE STREAM THAT LEADS TO THE DAM SPILLWAY AS INDICATED PER DETAIL ON SHEET 5. SEAL SEAL ..LT I-� NIS. • SEAL. - 14 ARCADIS i 31587 7 ARCADIS US, Inc. �'F'• NG N ��`:•• 0�.� 128 South Tryon Street, Suite 1100 `Np,`� N** Charlotte, NC 28202 9 -bf -d8 Tel: 704-752-4258 Fax: 704-752-0271 SEAL NOT VALID UNLESS SIGNED AND DATED www.arcadis-us.com AQUA Virginia=M LAKE HOLIDAY WWTP EQUALIZATION BASIN AND UV DISINFECTION ECT r �O 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIIvi!ZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH 4VAC50-30-40 F. APPLICABLE SAFETY CHAPTERS SHALL BE COMPLIED WITH. NAME OF RESPONSIBLE LAND DISTURBER: GERALD E. HATTON ADDRESS: 128 S. TRYON STREET, SUITE 1100 CHARLOTTE, NC 28202 TELEPHONE NO: 704-752-4258 CERTIFICATION: VIRGINA P.E., NO. 031587 SIGNATURE: DATE: VEGETATIVE PRACTICES: 1. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATION TEMPORARY VEGETATION IMMEDIATEDLY FOLLOWING GRADING. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2. PERMANENT STABILIZATION - 3.32 ALL DISTURBED AREAS THAT WILL NOT BE GRAVELED SHALL BE SEEDED IN ACCORDANCE WITH THE SPECIFICATIONS 3. VEGETATIVE STABILIZATION SHALL BE UNIFORM, MATURE ENOUGH TO SURVIVE AND ADEQUATE TO INHIBIT EROSION. STORMWATER RUNOFF CONSIDERATIONS THE PROPOSED IMPROVEMENTS TO THE EXISTING LAKE HOLIDAY WWTP SITE WILL REDUCE THE EXISTING GRAVELED AREA BY 7402 SF, A REDUCTION OF 48% OF THE EXISTING GRAVELED AREA. A REDUCTION IN STORMWATER RUNOFF FROM THE SITE WILL THUS RESULT FROM THESE IMPROVEMENTS, AS THE GRAVELED AREA WILL BE REPLACED BY 3745 SF OF GRASSED AREA AND 3657 SF OF OPEN TANK AREA. PROJECT MANAGER G. HATTON SHEET MILE DEPARTMENT MANAGER R. DARDEN SITE GRADING & EROSION AND SEDIMENTATION CONTROL PLAN LEAD DESIGN PROF. CHECKED BY G. HATTON G. HATTON TASK/PHASE NUMBER DRAWN BY 00002 A. APPLE PROJECT NUMBER DRAWING NUMBER CN7AQ803.VA00 4 Cn w p J W mN QI o� 3 CD J 0 Or w v 0 Q 00 �200 Q of � Iz U 0 Q o > 0 cV v cn a V� :j<� E o d o Oa- A�\ s � U LO � = J `-' U Z o � a g � o � •• cn 0 `E > Z U a .<� o 0 0 iNc i yH O I t I i l I �� r TEMPORARY PLUG ON i m 6" FORCE MAIN r-'--X �D-.,U�RyI�NGp�E/Q�BBA�SIN � / x TANK x CONSTRVb+�uL� :�/ CUT & CAP 6" FORCE MAIN j �"� " MAZ TO BE ABANDONED. PLUG PRt� T--WALL""-DF STILLING BASIN. I �, amass wm co \ , J � � 1 " - C FROM LIFT ' � I G TE STATIONS 11 AND #2 ALVE EACH 200 �' ` �' GPM PUMPING INTO � '• �X COMMON FORCE MAIN - UNVERIFIED)10"x12" REDUCER r/ �. AR 6"-45' BEND / 15'.0 " , CONNECT TO 6" FM WITH �I VAL' ADAPTORS AS REQUIRED a 0 � m Y 12"x6" TEE w �TANKS Fua 0 P� x GATE.. - _J >--- _ x I a x� � OU 61H------LEou — _ ou x � OU ,-.. - .---- OU � � � ! 24 �c r 1--'....... �.wsP 12"- �' 45' BEND "-45' BEND 24' THE CONmtCT TO 6" FM PARK. WITH ADAPTERS AS to °J REQUIRED fj;40 GRAva 07 I 6 PARKING FROM LIFT STATIONS #14 � 12" DIP (VALVE-) SIGN o ' z TO BASIN) U VER F � '� (500 GPM - N I IED) EXISTING TREE LIMITS (TYPICAL) I °J I 1 24' TREE �a i i R w/CAP D 10 c N' N=7161176.268 E=11537011.354 ELEV.=878.61 of o GN 0 20' 40' 60' SCALE IN FEET 1':20' FROM LIFT STATIONS #4 (250 GPM -UNVERIFIED) REV. ISSUED DATE DESCRIPTION IRT w/CAP D189 N=7161319.499 E=11537247.660 ELEV.=873.25 12" 45' BEND PROP. TIE-IN EL 867.61 'f REMOVE AND REPLACE INV 864.93 FENCE AS REQUIRED ��REMOVE GATES AND FENCE AT COMPLETION IFNi; OF CONSTRUCTION C,+ �-- --- � C__ ___ CL2 LINE - - Il I r i r- ONC --- - AIR COMPRESSOR _ WALK --' BLOCK ' I ( FOR ER CHEMICp ROOM) I LAB BLDG. l� I FFE 874.61 2 PVC CONDUIT - z�r " FOR AIRLINE w z Q EX. 16 x12 TEE � j W v' PU �` PLUG 16" FOR FUTURE 5'x5' CONCRETE PAD FOR CONC. U/G V CON OLLER-EXTEND �, L ` J PROPANE EXI§TING SHELTER R OF j " STANK TO C R -12 90' BEND 12" PVC ABAN NED 1 _ SULFE �DIOXPE E I SHED /oQ GATE J� X X / X C/LIN C UV FACILITY SITE DETAIL SCALE: 1 ":10' o 8"x6" REDUCER GATE CONNECT TO 6" FM WITH ADAPTERS I GATE AS REQUIRED. EXPOSE AND VERIFY J� LOCATION AND MATERIAL / ve ou ou ou ou ou ou 8" 45' BEND / I / 67.5' 8" DIP I PROP. SCREEN o/ ® IZ) DUMPSTER PAD / �O 1 RPP BACKFLOIh 12" 22Y' BEND X PREVENTER AND / HOTBOX INV. 877.92 2"x6" TEE 12" GATE VALVE �, // / / \X i \ // PROP. �t MECHANICAL SCREEN \ // ROP. BLOWER PAD GRAVEL \ PROP. PARKING \ \ GENERATOR PAD 12" INV. 877.94 // EQUALIZATION BASIN SITE DETAIL SCALE: 1 ":10' 6' CHAIN LINK FENCE GENERAL NOTES \` 1. CONTRACTOR TO FIELD VERIFY THE LOCATION AND ELEVATION / OF UNDERGROUND UTILITIES AND PIPING. 2. THERE MAY BE UNDERGROUND FACILITIES AND PIPING NOT SHOWN. �+ 3. EXPOSE AND VERIFY PIPE MATERIAL AND PIPE SIZE OF ALL EXISTING FORCE MAINS PRIOR TO ORDERING FITTINGS AND ADAPTORS. 4. CONTRACTOR SHALL PROVIDE FITTINGS AND ADAPTORS AS �-� REQUIRED TO MAKE CONNECTIONS TO EXISTING PIPING. 5. INTERCONNECT INFLUENT FORCE MAINS BEFORE CONSTRUCTION OF EQUALIZATION BASIN TO DIVERT FLOW AROUND CONSTRUCTION SITE. 6. MAINTAIN SITE SECURITY FENCING AT ALL TIMES. PROVIDE TEMPORARY FENCING AS REQUIRED. 7. ALL GRAVEL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RE -GRAVELED TO PROVIDE ALL WEATHER TRAVEL AND PARKING SURFACE. 8. ALL EXISTING TREATMENT FACILITIES SHALL CONTINUE IN OPERATION. SEAL SEAL i AQUA PROJECT MANAGER DEPARTMENT MANAGER LEAD DESIGN PROF. CHECKED BY LTH pr'G/ G. HATTON R. DARDEN G. HATTON G. HATTON ARCADIS �. �� p�ESS/0 •. � OAS y Virginia.. SHEET TITLE TASK/PHASE NUMBER DRAWN BY v: SEAL :� = 00002 A. APPLE 031587 LAKE �"HOLIDAY�I-�-P �. = SITE PLAN PROJECT NUMBER DRAWING NUMBER ARCADIS US , Inc. '.,6'''•..F�i/G1NE •.:O '128 South Tryon Street, Suite 1100 EQUALIZATION BASIN %�ql p E� HP�� Charlotte, NC Q 28202 AND FACILITIES AND PIPING �rr+►nn►+`q pg Tel: 704-752-4258 Fax: 704-752-0271 UV DISINFECTION CN7AQ803.VA00 SEAL NOT VAUD UNLESS SIGNED AND DATED www.areadis-us.com --- -, _- i 3 N w CD Z LAj N 0 Y JC S Cr w v 0 Y J 0 Q EM N 0000 �0f ,Z U °° Q \ C:) cal o \ v� LO N L C.� E v ii W-C 00 oCL EXISTING TREE LIMITS (TYPICAL) __- GRAZ X_X GRAVEL PARKING / X _ \ 8T12 X I i co 00 T 'z� �- t WP 4 1 801TDM PRQ�ANE TANK _..\ X J 8' FORCF YAlN l_OC - _ V-N8T ---._ 8s _ ELEV 8 CA AFRAPON - GRASS Go SASIN t l i --� GRAYFZ ( q�864.6 METAL ,14071dANCFl ITWAIX -_ _ F jX PO(E SHED OVER I � a��oa I ! I SU1Dc£ °RMG � RIM=879 � HOUSfNC A01,WN Q b INV.=876.iER 84sW(� / $ ' 00 �'- �_ AIR L,N 1 � � PS --k� � - _ E C f- Ole 1 / .1 .. . . *W 7 1 L cork V -- F'r. 10' FU LOC�APP XR(JXR(J FM TANKS 1 cA,r X f � COJVC J GUARDPOST- ' (TYPICAL) 24' TREE GRAVEL 'D PARKING � ` 1 � I A ^�a GRRAVEL PARKING l � IR w/CAP D10 \/(FS N=7161176.268 \ E=11537011.354 ELEV.=878.61 PROTECT " BENCHMARK PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT AN EQUALIZATION BASIN AND UV DISINFECTION TANK AT THE EXISTING LAKE HOLIDAY WWTP SITE. THE FACILITY IS LOCATED AT 231 S LAKEVIEW DRIVE, CROSS JUNCTION, VIRGINIA, IN THE LAKE HOLIDAY ESTATES RESIDENTIAL COMMUNITY NEAR U.S.-522, APPROXIMATELY 12 MILES WEST OF THE CITY OF WINCHESTER. A TOTAL OF .44 ACRE WILL BE DISTURBED DURING CONSTRUCTION OF THE BASIN AND TANK. EXISTING SITE CONDITIONS THE PROPOSED SITE IS GENERALLY FLAT AND ALMOST ENTIRELY OCCUPIED BY THE CURRENT TREATMENT FACILITIES. AREAS NOT DIRECTLY COVERED BY TREATMENT FACILITIES ARE GRAVELED OR GRASSED. A GEOTECHNICAL EVALUATION ON THE PROJECT SITE ENCOUNTERED NO TOPSOIL. ADJACENT PROPERTY THE 4.94 ACRE PARCEL TO THE NORTH AND EAST OF THE 0.70 ACRE WWTP SITE IS CURRENTLY OWNED BY LAKE HOLIDAY COUNTRY CLUB, BUT WILL BE TRANSFERRED TO AQUA FOR FUTURE WWTP EXPANSION. THIS PROPERTY CONTAINS A STORAGE/OFFICE BUILDING AND GRAVELED MATERIALS/EQUIPMENT YARD FOR THE DEVELOPMENT MAINTENANCE STAFF. THE 32.00 ACRE PARCEL SOUTHEAST OF THE WWTP IS ALSO OWNED BY LAKE HOLIDAY COUNTRY CLUB. IT CONTAINS 10 TO 15 PERCENT SLOPES TOWARD THE DAM DISCHARGE STREAM. A PORTION OF THIS PROPERTY IS REQUIRED FOR KEYPLAN -� REV. ISSUED DATE DESCRIPTION � I?EMOVE AND REPLACE 86�4.93 FENCE AS REQUIRED REMOV , CATES AND FEAT COMPLETION \\,OF CONSTRUCTION BLOWER PAD ELEV. 880.5 GENERATOR PAD ELEV. 880.5 EROSION CONTROL LEGEND SF TEMPORARY SILT FENCE CE MIN. 18' X 70' CONSTRUCTION ENTRANCE RR CLASS I RIPRAP \ () PERMANENT SEEDING UMIT OF DISTURBANCE I RT w/CAP D 189 N=7161319.499 E=11537247.660 ELEV.=873.25 PROPOSED UV FACILITY LOCATION 870 EXISTING MAJOR CONTOUR - -871-- - EXISTING MINOR CONTOUR EROSION AND SEDIMENT CONTROL NARRATIVE CONSTRUCTION OF THE EQUALIZATION BASIN. BEYOND THE LIMITS OF CURRENT DISTURBANCE, THE TWO PARCELS ARE FORESTED WITH DECIDUOUS AND EVERGREEN TREES. OFFSITE AREAS A PORTION OF THE ADJACENT 32.00 ACRE PROPERTY WILL BE USED TO CONTRUCT THE EQUALIZATION BASIN. LAND DISTURBANCE WILL INCLUDE EXCAVATION AND BACKFILL OF' THE BASIN TANK. EXCAVATED SOIL WILL BE REMOVED FROM THE SITE. THE AREA OF THE SITE TO BE DISTURBED IS CURRENTLY GRAVELED. SOILS THE PREDOMINANT SOIL. ON THE SITE IS BERKS CHANNERY SILT LOAM. THE PERMEABILITY RATE OF THE SOIL IS 0.20-5.95 INCHES PER HOUR, AND THE SOIL HAS LOW ERODIBILITY WITH A FACTOR (K) OF 0.17. THE HYDROLOGICAL GROUP IS C, AND THE HIGH WATER TABLE IS 6 FEET. CRITICAL AREAS THERE ARE NO CRITICAL AREAS ON THE WWTP PARCEL ALTHOUGH 10-15% SLOPES ARE FOUND IN THE ADJACENT 32.00 AC PROPERTY ON WHICH THE EQUALIZATION BASIN WILL. BE CONSTRUCTED. THESE CRITICAL AREAS ON THE ADJACENT PROPERTY WILL NOT BE DISTURBED. SEAL SEAL ,`j%%uiliawq�i LTH ARCADIS % i 031587 i 7' • ARCADIS US, Inc. `� . - •..N�IN��;.• O �.` 128 South Tryon Street, Suite 1100 �q(p E, Charlotte, NC 28202 �,i�nm���`9,y�"..p$ Tel: 704=752-4258 Fax: 704-752-0271 SEAL NOT VALID UNLESS SIGNED AND DATED www.o=dia-us.com 870 PROPOSED MAJOR CONTOUR -871 PROPOSED MINOR CONTOUR IC BERKS CHANNERY SILT LOAM VICINITY MAP N.T.S. GENERAL EROSION AND SEDIMENT CONTROL NOTES 1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCR) AND VIRGINIA REGULATIONS 4VAC50-30 'EROSION AND SEDIMENT CONTROL REGULATIONS. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNE t FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATION, WATER MUST BE PUMPED INTO AN APPROVED FILTERING DEVICE. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRUCTURAL PRACTICES: 1. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON ESC PLAN. 2. TEMPORARY STONE CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED WHERE INDICATED. DURING MUDDY CONDITIONS, DRIVERS OF CONSTURCTION VEHICLES WILL BE REQUIRED TO WASH THEIR WHEELS BEFORE ENTERING LAKEVIEW DRIVE. WASHRACK NOT REQUIRED. 3. OUTLET PROTECTION - 3.18 RIPRAP IS TO BE PLACED AT THE OUTLET OF THE 16" PIPE THAT DRAINS TOWARD THE STREAM THAT LEADS TO THE DAM SPILLWAY AS INDICATED PER DETAIL ON SHEET 5. AQUA Virginia... LAKE HOLIDAY WWTP EQUALIZATION BASIN AND UV DISINFECTION 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH 4VAC50--30--40 F. APPLICABLE SAFETY CHAPTERS SHALL BE COMPLIED WITH. NAME OF RESPONSIBLE LAND DISTURBER: GERALD E. HATTON ADDRESS: 128 S. TRYON STREET, SUITE 1100 CHARLOTTE, NC 28202 TELEPHONE NO: 704-752-4258 CERTIFICATION: VIRGINA P.E., NO. 031587 SIGNATURE: ,----------------- ----___ DATE: VEGETATIVE PRACTICES: 1. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATION TEMPORARY VEGETATION IMMEDIATEDLY FOLLOWING GRADING. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2. PERMANENT STABILIZATION - 3.32 ALL DISTURBED AREAS THAT WILL NOT BE GRAVELED SHALL BE SEEDED IN ACCORDANCE WITH THE SPECIFICATIONS 3. VEGETATIVE STABILIZATION SHALL BE UNIFORM, MATURE ENOUGH TO SURVIVE AND ADEQUATE TO INHIBIT EROSION. STORMWATER RUNOFF CONSIDERATIONS THE PROPOSED IMPROVEMENTS TO THE EXISTING LAKE HOLIDAY WWTP SITE WILL REDUCE THE EXISTING GRAVELED AREA BY 7402 SF, A REDUCTION OF 48% OF THE EXISTING GRAVELED AREA. A REDUCTION IN STORMWATER RUNOFF FROM THE SITE WILL THUS RESULT FROM THESE IMPROVEMENTS, AS THE GRAVELED AREA WILL BE REPLACED BY 3745 SF OF GRASSED AREA AND 3657 SF OF OPEN TANK AREA. PROJECT MANAGER DEPARTMENT MANAGER G. HATTON R. DARDEN SHEET TITLE SITE GRADING & EROSION AND SEDIMENTATION CONTROL PLAN LEAD DESIGN PROF. CHECKED BY G. HATTON G. HATTON TASK/PHASE NUMBER DRAWN BY 00002 A. APPLE PROJECT NUMBER DRAWING NUMBER CN7AQ803.VAoo 1 4 f- Ole 1 / .1 .. . . *W 7 1 L cork V -- F'r. 10' FU LOC�APP XR(JXR(J FM TANKS 1 cA,r X f � COJVC J GUARDPOST- ' (TYPICAL) 24' TREE GRAVEL 'D PARKING � ` 1 � I A ^�a GRRAVEL PARKING l � IR w/CAP D10 \/(FS N=7161176.268 \ E=11537011.354 ELEV.=878.61 PROTECT " BENCHMARK PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT AN EQUALIZATION BASIN AND UV DISINFECTION TANK AT THE EXISTING LAKE HOLIDAY WWTP SITE. THE FACILITY IS LOCATED AT 231 S LAKEVIEW DRIVE, CROSS JUNCTION, VIRGINIA, IN THE LAKE HOLIDAY ESTATES RESIDENTIAL COMMUNITY NEAR U.S.-522, APPROXIMATELY 12 MILES WEST OF THE CITY OF WINCHESTER. A TOTAL OF .44 ACRE WILL BE DISTURBED DURING CONSTRUCTION OF THE BASIN AND TANK. EXISTING SITE CONDITIONS THE PROPOSED SITE IS GENERALLY FLAT AND ALMOST ENTIRELY OCCUPIED BY THE CURRENT TREATMENT FACILITIES. AREAS NOT DIRECTLY COVERED BY TREATMENT FACILITIES ARE GRAVELED OR GRASSED. A GEOTECHNICAL EVALUATION ON THE PROJECT SITE ENCOUNTERED NO TOPSOIL. ADJACENT PROPERTY THE 4.94 ACRE PARCEL TO THE NORTH AND EAST OF THE 0.70 ACRE WWTP SITE IS CURRENTLY OWNED BY LAKE HOLIDAY COUNTRY CLUB, BUT WILL BE TRANSFERRED TO AQUA FOR FUTURE WWTP EXPANSION. THIS PROPERTY CONTAINS A STORAGE/OFFICE BUILDING AND GRAVELED MATERIALS/EQUIPMENT YARD FOR THE DEVELOPMENT MAINTENANCE STAFF. THE 32.00 ACRE PARCEL SOUTHEAST OF THE WWTP IS ALSO OWNED BY LAKE HOLIDAY COUNTRY CLUB. IT CONTAINS 10 TO 15 PERCENT SLOPES TOWARD THE DAM DISCHARGE STREAM. A PORTION OF THIS PROPERTY IS REQUIRED FOR KEYPLAN -� REV. ISSUED DATE DESCRIPTION � I?EMOVE AND REPLACE 86�4.93 FENCE AS REQUIRED REMOV , CATES AND FEAT COMPLETION \\,OF CONSTRUCTION BLOWER PAD ELEV. 880.5 GENERATOR PAD ELEV. 880.5 EROSION CONTROL LEGEND SF TEMPORARY SILT FENCE CE MIN. 18' X 70' CONSTRUCTION ENTRANCE RR CLASS I RIPRAP \ () PERMANENT SEEDING UMIT OF DISTURBANCE I RT w/CAP D 189 N=7161319.499 E=11537247.660 ELEV.=873.25 PROPOSED UV FACILITY LOCATION 870 EXISTING MAJOR CONTOUR - -871-- - EXISTING MINOR CONTOUR EROSION AND SEDIMENT CONTROL NARRATIVE CONSTRUCTION OF THE EQUALIZATION BASIN. BEYOND THE LIMITS OF CURRENT DISTURBANCE, THE TWO PARCELS ARE FORESTED WITH DECIDUOUS AND EVERGREEN TREES. OFFSITE AREAS A PORTION OF THE ADJACENT 32.00 ACRE PROPERTY WILL BE USED TO CONTRUCT THE EQUALIZATION BASIN. LAND DISTURBANCE WILL INCLUDE EXCAVATION AND BACKFILL OF' THE BASIN TANK. EXCAVATED SOIL WILL BE REMOVED FROM THE SITE. THE AREA OF THE SITE TO BE DISTURBED IS CURRENTLY GRAVELED. SOILS THE PREDOMINANT SOIL. ON THE SITE IS BERKS CHANNERY SILT LOAM. THE PERMEABILITY RATE OF THE SOIL IS 0.20-5.95 INCHES PER HOUR, AND THE SOIL HAS LOW ERODIBILITY WITH A FACTOR (K) OF 0.17. THE HYDROLOGICAL GROUP IS C, AND THE HIGH WATER TABLE IS 6 FEET. CRITICAL AREAS THERE ARE NO CRITICAL AREAS ON THE WWTP PARCEL ALTHOUGH 10-15% SLOPES ARE FOUND IN THE ADJACENT 32.00 AC PROPERTY ON WHICH THE EQUALIZATION BASIN WILL. BE CONSTRUCTED. THESE CRITICAL AREAS ON THE ADJACENT PROPERTY WILL NOT BE DISTURBED. SEAL SEAL ,`j%%uiliawq�i LTH ARCADIS % i 031587 i 7' • ARCADIS US, Inc. `� . - •..N�IN��;.• O �.` 128 South Tryon Street, Suite 1100 �q(p E, Charlotte, NC 28202 �,i�nm���`9,y�"..p$ Tel: 704=752-4258 Fax: 704-752-0271 SEAL NOT VALID UNLESS SIGNED AND DATED www.o=dia-us.com 870 PROPOSED MAJOR CONTOUR -871 PROPOSED MINOR CONTOUR IC BERKS CHANNERY SILT LOAM VICINITY MAP N.T.S. GENERAL EROSION AND SEDIMENT CONTROL NOTES 1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCR) AND VIRGINIA REGULATIONS 4VAC50-30 'EROSION AND SEDIMENT CONTROL REGULATIONS. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNE t FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATION, WATER MUST BE PUMPED INTO AN APPROVED FILTERING DEVICE. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRUCTURAL PRACTICES: 1. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON ESC PLAN. 2. TEMPORARY STONE CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED WHERE INDICATED. DURING MUDDY CONDITIONS, DRIVERS OF CONSTURCTION VEHICLES WILL BE REQUIRED TO WASH THEIR WHEELS BEFORE ENTERING LAKEVIEW DRIVE. WASHRACK NOT REQUIRED. 3. OUTLET PROTECTION - 3.18 RIPRAP IS TO BE PLACED AT THE OUTLET OF THE 16" PIPE THAT DRAINS TOWARD THE STREAM THAT LEADS TO THE DAM SPILLWAY AS INDICATED PER DETAIL ON SHEET 5. AQUA Virginia... LAKE HOLIDAY WWTP EQUALIZATION BASIN AND UV DISINFECTION 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH 4VAC50--30--40 F. APPLICABLE SAFETY CHAPTERS SHALL BE COMPLIED WITH. NAME OF RESPONSIBLE LAND DISTURBER: GERALD E. HATTON ADDRESS: 128 S. TRYON STREET, SUITE 1100 CHARLOTTE, NC 28202 TELEPHONE NO: 704-752-4258 CERTIFICATION: VIRGINA P.E., NO. 031587 SIGNATURE: ,----------------- ----___ DATE: VEGETATIVE PRACTICES: 1. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATION TEMPORARY VEGETATION IMMEDIATEDLY FOLLOWING GRADING. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2. PERMANENT STABILIZATION - 3.32 ALL DISTURBED AREAS THAT WILL NOT BE GRAVELED SHALL BE SEEDED IN ACCORDANCE WITH THE SPECIFICATIONS 3. VEGETATIVE STABILIZATION SHALL BE UNIFORM, MATURE ENOUGH TO SURVIVE AND ADEQUATE TO INHIBIT EROSION. STORMWATER RUNOFF CONSIDERATIONS THE PROPOSED IMPROVEMENTS TO THE EXISTING LAKE HOLIDAY WWTP SITE WILL REDUCE THE EXISTING GRAVELED AREA BY 7402 SF, A REDUCTION OF 48% OF THE EXISTING GRAVELED AREA. A REDUCTION IN STORMWATER RUNOFF FROM THE SITE WILL THUS RESULT FROM THESE IMPROVEMENTS, AS THE GRAVELED AREA WILL BE REPLACED BY 3745 SF OF GRASSED AREA AND 3657 SF OF OPEN TANK AREA. PROJECT MANAGER DEPARTMENT MANAGER G. HATTON R. DARDEN SHEET TITLE SITE GRADING & EROSION AND SEDIMENTATION CONTROL PLAN LEAD DESIGN PROF. CHECKED BY G. HATTON G. HATTON TASK/PHASE NUMBER DRAWN BY 00002 A. APPLE PROJECT NUMBER DRAWING NUMBER CN7AQ803.VAoo 1 4 Y v Of 0 0 J 0 Q Ei-i �00 �¢ ai IZ U 0 Q C, > o v +z � cn i L-)M CV Ea ii 00 o C3 (I- s U V) J � U tr) Z CD a .. o r u, E j Z U IY ¢� CO CD CV 0 i I � I at GRAVEL PARKWNG f- TEMPORARY PLUG ON i m 6" FORCE MAIN } ----x DURING EQ BASIN X /� x TANK / CUT & CAP 6" FORCE MAIN M� Six_ 41 TO BE ABANDONED. PLUG : PR T —WAtL� OF STILLING BASIN. r FO � � = � .. xLoa ---_._^►max ---� % ril0 GRAZ wm 00 , i ❑ o ' ` I } / METAL MAINTENANCE / GRAVEL FIFE 88880.08 I x POLE + ff I RIM=879 ' b INV.=876. x „ ; x z EXPOSE AND VERIFY J + 10 X10 LOCATION OF EXISTING 19•0� CUT —IN TEE I 6" FM _ i awc ! x FM CNC 1 " c FM FROM LIFT STATIONS FM ZVE E #1 AND # (EACH 200 GPM PU 2 '� `� FMi g r` �>` I COMMON FORCE MAIN _ PUMPING INTO UNVERIFIED) 10"x12" REDUCER IETAL TAP EX. ANC£ SLOG 1 " � j x ARK6"-45' BEND 15"0' „ _ Ex t• C 12 GATE CONNECT TO 6" FM WITH I VALVE EXACT ROUTE TO n° ADAPTORS AS REQUIRED LZ o LX __ a � BE DETERMINED IN I ` Tk MAHV7pNMOE FIELD Q 12"x6" TEE N LU FFE r nZAUE FUEL 4` r- i GATE' IZ I SHED TANKS c5 P I ; GATE ---- _J ov - ----- —__ X '-- X 1 x 61H ELEC., TELEOU ou �' QU �......_. — X j ou J ` - - - 24' GATE 67.5' /clav U ;°'� 12"x6" TEEwsp o / 12"- ...,' /--12" GATE 45' BEND „ VAI VF EXISTING TREE LIMITS (TYPICAL) 24` TREE GRAVEL I PARKING SIGN i FROM LIFT STATIONS #14 (500 GPM — UNVERIFIED) I \ pJ 1 24' TREE i 0 20' 40' 60' SCALE IN FEET 1 ":20' r o � , ' I R w/CAP D 10 o N' N=7161176.268 E=11537011.354 ;`� ' ELEV.=878.61 v o IGN —45' of BEND CON CT TO 6" FM WITH ADAPTERS AS S REQUIRED 4' GRAVEL / C PAWMG 12" DIP (VALVE -� TO BASIN) FROM LIFT STATIONS #4 (250 GPM —UNVERIFIED) REV. ISSUED DATE DESCRIPTION KEYPLAN 1�\ REMOVE AND REPLACE INV 864.93 FENCE AS REQUIRED REMOVE GATES AND FENCE AT COMPLETION Fwn OF CONSTRUCTION 6' CHAIN LINK FENCE SEAL SEAL♦♦`� LTH�p`���i, ARCADIS 031587 - �f • 7 ARCADIs us, Inc. 41•�G'�c'•..fMG1NE••..� O ♦.�� 128 South Tryon Street, Suite 1100 Charlotte, NC 28202 Tel: 704-752-4258 Fax: 704-752-0271 SEAL. NOT Me UNLESS SK;NID AND DATED WWW.o"cadis—us.com IRT w/CAP D189 N=7161319.499 E=11537247.660 ELEV.=873.25 12" 45' BEND PROP. TIE—IN EL 867.61 CL2 LINE - - _ -- - h I r- CONIC WALK AIR COMPRESSOR BLOCK - r I (FOR ER CHEMIC ROOM) I LAB BLDG. 1 I FFE 8 74.61 i - J 2 PVC CONDUIT " FOR AIRLINE w z Q EX. 16 x12 TEE w I PU F�� PLUG 16" FOR FUTURE RE 5'x5' CONCRETE PAD FOR CONC. U/G V CON OLLER-EXTEND L. J PROPANE EXISTING SHELTER R 09 j " STANK I TC C R ' ` 12 90' BEND 2" PVC ABAN NED SULF S / 104DE E I � � /oQ I GA TE / J� X X X / C/LIN 0 UV FACILITY SITE DETAIL SCALE: 1 ":10' 0 8"x6" REDUCER GgTE ; J CONNECT TO 6" FM WITH ADAPTERS GATE AS REQUIRED. EXPOSE AND VERIFY 41 LOCATION AND MATERIAL / UE ou ou ou ou ou ou 8" 45' BEND / I / 67.5' 8" DIP ,�/ �0 PROP. SCREEN o 0`L`1' DUMPSTER PAD 1" RPP BACKFLOW // �Q 12" 2 ' BEND " PREVENNTIER AND / 0 ' HOTBOX '�`ti INV. 877.92 2"x6M TEE Q�Oe 12" GATE VALVE x ." � PROP. / MECHANICAL / / /�- SCREEN \ // \ ROP. BLOWER PAD GRAVEL �D \ PROP. PARKING �, \ \ GENERATOR PAD 12" INV. 877.94 AQUA Virginia.. LAKE HOLIDAY WWTP EQUALIZATION BASIN AND UV DISINFECTION EQUALIZATION BASIN SITE DETAIL SCALE: 1 ":10' GENERAL NOTES 1. CONTRACTOR TO FIELD VERIFY THE LOCATION AND ELEVATION OF UNDERGROUND UTILITIES AND PIPING. 2. THERE MAY BE UNDERGROUND FACILITIES AND PIPING NOT SHOWN. 3. EXPOSE AND VERIFY PIPE MATERIAL AND PIPE SIZE OF ALL EXISTING FORCE MAINS PRIOR TO ORDERING FITTINGS AND ADAPTORS. 4. CONTRACTOR SHALL PROVIDE FITTINGS AND ADAPTORS AS REQUIRED TO MAKE CONNECTIONS TO EXISTING PIPING. 5. INTERCONNECT INFLUENT FORCE MAINS BEFORE CONSTRUCTION OF EQUALIZATION BASIN TO DIVERT FLOW AROUND CONSTRUCTION SITE. 6. MAINTAIN SITE SECURITY FENCING AT ALL TIMES. PROVIDE TEMPORARY FENCING AS REQUIRED. 7. ALL GRAVEL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RE -GRAVELED TO PROVIDE ALL WEATHER TRAVEL AND PARKING SURFACE. 8. ALL EXISTING TREATMENT FACILITIES SHALL CONTINUE IN OPERATION. PROJECT MANAGER DEPARTMENT MANAGER G. HATFON I R. DARDEN SHEET TITLE SITE PLAN FACILITIES AND PIPING LEAD DESIGN PROF. CHECKED BY G. HAT ON G. HATTON TASK/PHASE NUMBER DRAWN BY 00002 A. APPLE PROJECT NUMBER DRAWING NUMBER CN7AQ803.VA00 6 iv O a' C =1 -- ;1 U W Cn 3 5 N W z W 0 0 0 N 000 �Q ,Z U 0Q o> 0 N v cn> N s I- In E >v Z a= jYJSP -�_1NSP EXISTING TREE LIMITS (TYPICAL) 0 20' 40' 60' SCALE IN FEET 1 •:20' '-.., GRASS _ ASS XX _-___-___ X � GRAVEL ' \ PARKING --X -- xf /t T X��X ( \GttASs / 1 ( \ / (/ 187i2 =� X I no I -- --- - -- - 1=p i� ' F OC� 84E TAVAIN ��-�CATPNE A!X / \ez 90 I 1 I ' GRAVEL k 8R.6 1AETAL 11A1N �- 'lENANCE POt� �TW ` ` seats !' E e swnc ins RIM=879 PuuP kousrNc A1toN i I Q I b INV.=876. FOR CIO Ps -_ OZO 10' Fld LOC, a'`PROX TFUEL - X GAZE x Ccw 'pa per l 7 24' TREE cz�Ava `D � PARKING • /Q GUARDPOST (TYPICAL) I I r 6 jcF / AARRKING IN IR w/CAP D10 ' \/(F N=7161176.268 E=11537011.354 ELEV.=878.61 PROTECT GN BENCHMARK PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT AN EQUALIZATION BASIN AND UV DISINFECTION TANK AT THE EXISTING LAKE HOLIDAY WWTP SITE. THE FACILITY IS LOCATED AT 231 S LAKEVIEW DRIVE, CROSS JUNCTION, VIRGINIA, IN THE LAKE HOLIDAY ESTATES RESIDENTIAL COMMUNITY NEAR U.S.-522, APPROXIMATELY 12 MILES WEST OF THE CITY OF WINCHESTER. A TOTAL OF .44 ACRE WILL BE DISTURBED DURING CONSTRUCTION OF THE BASIN AND TANK. EXISTING SITE CONDITIONS THE PROPOSED SITE IS GENERALLY FLAT AND ALMOST ENTIRELY OCCUPIED BY THE CURRENT TREATMENT FACILITIES. AREAS NOT DIRECTLY COVERED BY TREATMENT FACILITIES ARE GRAVELED OR GRASSED. A GEOTECHNICAL EVALUATION ON THE PROJECT SITE ENCOUNTERED NO TOPSOIL. ADJACENT PROPERTY THE 4.94 ACRE PARCEL TO THE NORTH AND EAST OF THE 0.70 ACRE WWTP SITE IS CURRENTLY OWNED BY LAKE HOLIDAY COUNTRY CLUB, BUT WILL BE TRANSFERRED TO AQUA FOR FUTURE WWTP EXPANSION. THIS PROPERTY CONTAINS A STORAGE/OFFICE BUILDING AND GRAVELED MATERIALS/EQUIPMENT YARD FOR THE DEVELOPMENT MAINTENANCE STAFF. THE 32.00 ACRE PARCEL SOUTHEAST OF THE WWTP IS ALSO OWNED BY LAKE HOLIDAY COUNTRY CLUB. IT CONTAINS 10 TO 15 PERCENT SLOPES TOWARD THE DAM DISCHARGE STREAM. A PORTION OF THIS PROPERTY IS REQUIRED FOR REV, ISSUED DATE DESCRIPTION 2 �S9 p M I / ;REMOVE AND REPLACE 86�4- 3 FENCE AS REQUIRED REMOV , GATES AND FEAT COMPLETION �OF CONSTRUCTION BLOWER PAD ELEV. 880.5 GENERATOR PAD ELEV. 880.5 EROSION CONTROL LEGEND SF TEMPORARY SILT FENCE CE MIN. 18' X 70' CONSTRUCTION ENTRANCE RR CLASS I RIPRAP \ () PERMANENT SEEDING LIMIT OF DISTURBANCE I RT w/CAP D 189 N=7161319.499 E=11537247.660 ELEV.=873.25 PROPOSED UV FACILITY LOCATION 870 EXISTING MAJOR CONTOUR - -871-- - EXISTING MINOR CONTOUR EROSION AND SEDIMENT CONTROL NARRATIVE CONSTRUCTION OF THE EQUALIZATION BASIN. BEYOND THE LIMITS OF CURRENT DISTURBANCE, THE TWO PARCELS ARE FORESTED WITH DECIDUOUS AND EVERGREEN TREES. OFFSITE AREAS A PORTION OF THE ADJACENT 32.00 ACRE PROPERTY WILL BE USED TO CONTRUCT THE EQUALIZATION BASIN. LAND DISTURBANCE WILL INCLUDE EXCAVATION AND BACKFILL OF- THE BASIN TANK. EXCAVATED SOIL WILL BE REMOVED FROM THE SITE. THE AREA OF THE SITE TO BE DISTURBED IS CURRENTLY GRAVELED. SOILS THE PREDOMINANT SOIL- ON THE SITE IS BERKS CHANNERY SILT LOAM. THE PERMEABILITY RATE OF THE SOIL IS 0.20-5.95 INCHES PER HOUR, AND THE SOIL HAS LOW ERODIBILITY WITH A FACTOR (K) OF 0.17. THE HYDROLOGICAL GROUP IS C, AND THE HIGH WATER TABLE IS 6 FEET. CRITICAL AREAS THERE ARE NO CRITICAL AREAS ON THE WWTP PARCEL ALTHOUGH 10-15% SLOPES ARE FOUND IN THE ADJACENT 32.00 AC PROPERTY ON WHICH THE EQUALIZATION BASIN WILL. BE CONSTRUCTED. THESE CRITICAL AREAS ON THE ADJACENT PROPERTY WILL NOT BE DISTURBED. SEAL SEAL r,,NLT H pCj- �''`,/ `�� ••.NN•.�• // -ARCADIS �U• •may_ - 's 03 51 87 ? 7 ARCADIS US, Inc. %,cF'••,.NGI�C;�:•'�p?•` 12B South Tryon Street, Suite 1100 i D, E` ���� Ch►a bUe, NC 28202 TeL 704-752-4258 Fax: 704-752-0271 SEALI 2140T VALID UNLESS SIGNED AND DATED www.amadis-us.com 870 '871- 1C 0 PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR BERKS CHANNERY SILT LOAM VICINITY MAP N.T.S. GENERAL EROSION AND SEDIMENT CONTROL NOTES 1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCR) AND VIRGINIA REGULATIONS 4VAC50-30 EROSION AND SEDIMENT CONTROL REGULATIONS. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON Thc.SE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNEIR FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS, WATER MUST BE PUMPED INTO AN APPROVED FILTERING DEVICE. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL. BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRUCTURAL PRACTICES: 1. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON ESC PLAN. 2. TEMPORARY STONE CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED WHERE INDICATED. DURING MUDDY CONDITIONS, DRIVERS OF CONSTURCTION VEHICLES WILL BE REQUIRED TO WASH THEIR WHEELS BEFORE ENTERING LAKEVIEW DRIVE. WASHRACK NOT REQUIRED. 3. OUTLET PROTECTION - 3.18 RIPRAP IS TO BE PLACED AT THE OUTLET OF THE 16" PIPE THAT DRAINS TOWARD THE STREAM THAT LEADS TO THE DAM SPILLWAY AS INDICATED PER DETAIL ON SHEET 5. AQUA Virginia.., LAKE HOLIDAY WWTP EQUALIZATION BASIN AND UV DISINFECTION 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH 4'VAC50-30-40 F. APPLICABLE SAFETY CHAPTERS SHALL BE COMPLIED WITH. NAME OF RESPONSIBLE LAND DISTURBER: GERALD E. HATTON ADDRESS: 128 S. TRYON STREET, SUITE 1100 CHARLOTTE, NC 28202 TELEPHONE NO: 704-752-4258 CERTIFICATION: VIRGINA P.E., NO. 031587 SIGNATURE: DATE: ___ VEGETATIVE PRACTICES: 1. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL. BE SEEDED WITH FAST GERMINATION TEMPORARY VEGETATION IMMEDIATEDLY FOLLOWING GRADING. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2. PERMANENT STABILIZATION - 3.32 ALL DISTURBED AREAS THAT WILL NOT BE GRAVELED SHALL BE SEEDED IN ACCORDANCE WITH THE SPECIFICATIONS 3. VEGETATIVE STABILIZATION SHALL BE UNIFORM, MATURE ENOUGH TO SURVIVE AND ADEQUATE TO INHIBIT EROSION. STORMWATER RUNOFF CONSIDERATIONS THE PROPOSED IMPROVEMENTS TO THE EXISTING LAKE HOLIDAY WWTP SITE WILL REDUCE THE EXISTING GRAVELED AREA BY 7402 SF, A REDUCTION OF 48% OF THE EXISTING GRAVELED AREA. A REDUCTION IN STORMWATER RUNOFF FROM THE SITE WILL THUS RESULT FROM THESE IMPROVEMENTS, AS THE GRAVELED AREA WILL BE REPLACED BY 3745 SF OF GRASSED AREA AND 3657 SF OF OPEN TANK AREA. PR)JECT MANAGER DEPARTMENT MANAGER LEAD DESIGN PROF. CHECKED BY G, HATTON R. DARDEN G. HATTON G. HATTON SH_7ET TITLE TASK/PHASE NUMBER DRAWN BY 00002 A. APPLE SITE GRADING & PROJECT NUMBER DRAWING NUMBER EROSION AND SEDIMENTATION CN7AQ803.VA00 4 CONTROL PLAN r.; 0 C� Eri �cO �Q ,Z U 00 Q o> CD C'4 p C1 Q cn j L-) :� CV Eo Ws oa_ a I 't I GRAVEL PG TEMPORARY PLUG ON 6" FORCE MAIN �`----x x DURING EQ BASIN I x TAW TRU�QN :�// CUT & CAP 6" FORCE MAIN ] M.2 x TO BE ABANDONED. PLUG GRASS zzz� -_ 12'* �� -WAt L� OF STILLING BASIN. r Fes, , — [ .BAW AN!{ " '--Loa `wry°x --- —� GRAZ wm co ', 1 I 4 / 1 �I 4CAL MA f I ' RNGiENa+cE i' � 880.08 10"X10" CUT -IN TEE I i CONC J x — 1" CONC FROM LIFT FM �' FM c G TE STATIONS #1 AND # ALVE ��EACH 200 2 �' '� Fw L`. � FA, ' GPM PUMPING INTO FMx COMMON FORCE MAIN - UNVERIFIED)10"x12" REDUCERGRMa ' MKING 6"-45' BEND 15' 0- 12" CONNECT TO 6" FM WITH � I VAL' ADAPTORS AS REQUIRED 12"x6" TE N ; -�- - _ SHED TANKS o P - GATE - -... - - - J -_ ou -- --- x -,—__ x a x 1 I 0/N ELM. TELEPU OU x OU -- OU 24 �° WSP 12"- / J 45' BEND " 24- TREE 't GRAVEL 1 PARKING i I SIGN o FROM LIFT STATIONS #14 (500 GPM - UNVERIFIED) °J EXISTING TREE LIMITS (TYPICAL) 1 °� i 24" TREE < <41 I R w/CAP D 10 oGN' N=7161176.268 i E=11537011,354 i ELEV.=878.61 °J ° GN / FROM LIFT STATIONS #4 (250 GPM -UNVERIFIED) 0 20' 40' 60' SCALE IN FEET 1 •:20' REV. ISSUED DATE DESCRIPTION -45' °J BEND CON CT TO 6" FM WITS ADAPTERS AS °J REQUIRED cRAVEL / 6 PAWMG 12" DIP (VALVE -J TO BASIN) KEYPLAN IRT w/CAP D189 N=7161319.499 E=11537247.660 ELEV.=873.25 12" 45' BEND PROP. TIE-IN EL 867.61 REMOVE AND REPLACE INV 864.93 FENCE AS REQUIRED �y REMOVE GATES AND FENCE AT COMPLETION FND OF CONSTRUCTION 6' CHAIN LINK FENCE C-D�' E —I CL2 L1N - - - _ IICONC WALK -- AIR COMPRESSOR BLOCK LAB i Al�'FOR" ER CHEMIC � ROOM) I BLDG.1 FFE 874.61 PVC CONDUIT OR AIRLINE EX. 16"x12"TEEwPU (' PLUG 16" FOR FUTURE ` V' i 5'x5' CONCRETE PAD FOR CONC. U/G V CON OLLER-EXTFND j� L _j PROPANE O EXI§TING SHELTER R F 12" 90' BEND J_ TANK I TO C R 12 PVC ABAN NED I SULFE �DIO)QDE �SryED E Q I GA TE J� X x--�--- X C/UN UV FACILITY SITE DETAIL SCALE: 1 ":10' o / 8"x6" REDUCER GA TE / CONNECT TO 6" FM WITH ADAPTERS I GATE AS REQUIRED. EXPOSE AND VERIFY J� LOCATION AND MATERIAL UE OU oU oU OU OU OU 8" 45' BEND / 67.5' 8" DIP PROP. SCREEN DUMPSTER PAD �O 1 RPP BACKFLOW / ��Q 12" 22Y2' BEND " PREVENTER AND / .��, INV. 877.92 HOT BOX 2"x6` TEE 12" GATE VALVE PROP. / MECHANICAL SCREEN \ ROP. BLOWER PAD GRAVEL PROP. PARKING \ \ GENERATOR PAD 12" INV. 877.94 EQUALIZATION BASIN SITE DETAIL SCALE: 1 ":10' GENERAL NOTES 1. CONTRACTOR TO FIELD VERIFY THE LOCATION AND ELEVATION OF UNDERGROUND UTILITIES AND PIPING. 2. THERE MAY BE UNDERGROUND FACILITIES AND PIPING NOT SHOWN. 3. EXPOSE AND VERIFY PIPE MATERIAL AND PIPE SIZE OF ALL EXISTING FORCE MAINS PRIOR TO ORDERING FITTINGS AND ADAPTORS. 4. CONTRACTOR SHALL PROVIDE FITTINGS AND ADAPTORS AS REQUIRED TO MAKE CONNECTIONS TO EXISTING PIPING. 5. INTERCONNECT INFLUENT FORCE MAINS BEFORE CONSTRUCTION OF EQUALIZATION BASIN TO DIVERT FLOW AROUND CONSTRUCTION SITE. 6. MAINTAIN SITE SECURITY FENCING AT ALL TIMES. PROVIDE TEMPORARY FENCING AS REQUIRED. 7. ALL GRAVEL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RE -GRAVELED TO PROVIDE ALL WEATHER TRAVEL AND PARKING SURFACE. 8. ALL EXISTING TREATMENT FACILITIES SHALL CONTINUE IN OPERATION. SEAL SEAL �����������►������� AQUA PROJECT MANAGER DEPARTMENT MANAGER LEAD DESIGN PROF. CHECKED BY �.� ELT H �. ��%o��E;....... V, -*,, G. HATTON R. DA,RDEN G. HATTON G. HATTON ARCADIS Virginia.. SHEET TITLE TASK/PHASE NUMBER DRAWN BY SEA :� _ • 031587 - LAKE HOLIDAY VIWiITP o0002 A. APPLE ''_�_`- F. • = SITE PLAN PROJECT NUMBER DRAWING NUMBER ARCADIS US, Inc. --,�'F•••F;��INE.••� o , 128 South T on Street, Suite 1100 E UALIZATION BASIN AND p E"HP� Charlotte, NC 282�2 Q FACILITIES AND PIPING Tel: 704-752-42M Fax: 704-752-0271 UV DISINFECTION CN7AQ803.VA00 SE& ►+or Vim UNILss swim MD atT www.arcadis—us.com U W 3 U w EXISTING TREE LIMITS (TYPICAL) -16 a 0 0 _ Y J v w 0 .o Ev ii v v oCL s v v V o Z �a o CAD .. v c N o(D o j v U z v � �co o O CV O -� GRASS GRAIa PARxNG � i f x / \ �GRASS 877.2 _ X r 1 - - -- --- _ }�-- 12- Dp T TT / ! N 4 �Tr / PROFANE TANK \ x FtRCE - IOC�OXElEVrg T � r 7 C \` ! 8 --�. ArwuX GRASS GO \ �6-I / L 8A�oH METAL AIMANCE I x 11 _L, FFE �O8 '1 PqF SHED Otm 3 -' - sLup cRrn+c ems I RIM=879 oRjp HousrNc AoeAnq� INV.=876.ShR ea SIN t JPS TANK t CONC 5., �- _j L CoNC _I�-� 10• Fu LD- J GUARDPOST-' (TYPICAL) 24' TREIE PAWNG y„ E---- GRAVEI. ,g / PARKING IR w/CAP D10 r \ PS N=7161176.268 E=11537011.354 ELEV.=878.61 PROTECT GN BENCHMARK PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO CONSTRUCT AN EQUALIZATION BASIN AND UV DISINFECTION TANK AT THE EXISTING LAKE HOLIDAY WWTP SITE. THE FACILITY IS LOCATED AT 231 S LAKEVIEW DRIVE, CROSS JUNCTION, VIRGINIA, IN THE LAKE HOLIDAY ESTATES RESIDENTIAL COMMUNITY NEAR U.S.-522, APPROXIMATELY 12 MILES WEST OF THE CITY OF WINCHESTER. A TOTAL OF .44 ACRE WILL BE DISTURBED DURING CONSTRUCTION OF THE BASIN AND TANK. EXISTING SITE CONDITIONS THE PROPOSED SITE IS GENERALLY FLAT AND ALMOST ENTIRELY OCCUPIED BY THE CURRENT TREATMENT FACILITIES. AREAS NOT DIRECTLY COVERED BY TREATMENT FACILITIES ARE GRAVELED OR GRASSED. A GEOTECHNICAL EVALUATION ON THE PROJECT SITE ENCOUNTERED NO TOPSOIL. ADJACENT PROPERTY THE 4.94 ACRE PARCEL TO THE NORTH AND EAST OF THE 0.70 ACRE WWTP SITE IS CURRENTLY OWNED BY LAKE HOLIDAY COUNTRY CLUB, BUT WILL BE TRANSFERRED TO AQUA FOR FUTURE WWTP EXPANSION. THIS PROPERTY CONTAINS A STORAGE/OFFICE BUILDING AND GRAVELED MATERIALS/EQUIPMENT YARD FOR THE DEVELOPMENT MAINTENANCE STAFF. THE 32.00 ACRE PARCEL SOUTHEAST OF THE WWTP IS ALSO OWNED BY LAKE HOLIDAY COUNTRY CLUB. IT CONTAINS 10 TO 15 PERCENT SLOPES TOWARD THE DAM DISCHARGE STREAM. A PORTION OF THIS PROPERTY IS REQUIRED FOR REV. ISSUED DATE DESCRIPTION 'OtEMOVE AND REPLACE 93 7FENCE AS REQUIRED OV�C GATES AND EE AT COMPLETION CONSTRUCTION BLOWER PAD ELEV. 880.5 GENERATOR PAD ELEV. 880.5 EROSION CONTROL LEGEND SF TEMPORARY SILT FENCE CE MIN. 18' X 70' CONSTRUCTION ENTRANCE RR CLASS I RIPRAP \y O PERMANENT SEEDING : LIMIT OF DISTURBANCE 870 EXISTING MAJOR CONTOUR IRT w/CAP D189 N=7161319.499 E=11537247,660 ELEV.=873.25 PROPOSED UV FACILITY LOCATION - -871-- -- EXISTING MINOR CONTOUR EROSION AND SEDIMENT CONTROL NARRATIVE CONSTRUCTION OF THE EQUALIZATION BASIN. BEYOND THE LIMITS OF CURRENT DISTURBANCE, THE TWO PARCELS ARE FORESTED WITH DECIDUOUS AND EVERGREEN TREES. OFFSITE AREAS A PORTION OF THE ADJACENT 32.00 ACRE PROPERTY WILL BE USED TO CONTRUCT THE EQUALIZATION BASIN. LAND DISTURBANCE WILL INCLUDE EXCAVATION AND BACKFILL OF' THE BASIN TANK. EXCAVATED SOIL WILL BE REMOVED FROM THE SITE. THE AREA OF THE SITE TO BE DISTURBED IS CURRENTLY GRAVELED. SOILS THE PREDOMINANT SOIL ON THE SITE IS BERKS CHANNERY SILT LOAM. THE PERMEABILITY RATE OF THE SOIL IS 0.20-5.95 INCHES PER HOUR, AND THE SOIL HAS LOW ERODIBILITY WITH A FACTOR (K) OF 0.17. THE HYDROLOGICAL GROUP IS C, AND THE HIGH WATER TABLE IS 6 FEET. CRITICAL AREAS THERE ARE NO CRITICAL AREAS ON THE WWTP PARCEL ALTHOUGH 10-15% SLOPES ARE FOUND IN THE ADJACENT 32.00 AC PROPERTY ON WHICH THE EQUALIZATION BASIN WILL BE CONSTRUCTED. THESE CRITICAL AREAS ON THE ADJACENT PROPERTY WILL NOT BE DISTURBED. SEAL SEAL w.%1111,,, NLTH pF`,. ••'�FESS%p''•• ARCADIS % Z(s� %X1 SEAL i 315137 i = i • • f 7 ARCADIS US, Inc. '%cF'• ,NCI N�-��:•' 0�,�� 128 South Ton Street, Suite 1100 '�•,,q( D E. HP� Charlotte, NC 28202 Tel: 704-752-4258 Fax: 704-752-0271 SEAL WT VALID UNLESS SIGNED AND DATED www.arcadis-us.com 870 PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR BERKS CHANNERY SILT LOAM 0 IDA VICINITY MAP N.T.S. GENERAL EROSION AND SEDIMENT CONTROL NOTES 1. UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCR) AND VIRGINIA REGULATIONS 4VAC,50-30 EROSION AND SEDIMENT CONTROL REGULATIONS. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRECONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE NiA.INTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNE t F'OR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS, WATER MUST BE PUMPED INTO AN APPROVED FILTERING DEVICE. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE HANDBOOK. THE MINIMUM STANDARDS OF THE VESCR SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE. STRUCTURAL PRACTICES: 1. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS WILL BE: INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED ON ESC PLAN. 2. TEMPORARY STONE CONSTRUCTION ENTRANCE -- 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED WHERE INDICATED. DURING MUDDY CONDITIONS, DRIVERS OF CONSTURCTION VEHICLES WILL BE REQUIRED TO WASH THEIR WHEELS BEFORE ENTERING LAKEVIEW DRIVE. WASHRACK NOT REQUIRED. 3. OUTLET PROTECTION - 3.18 RIPRAP IS TO BE PLACED AT THE OUTLET OF THE 16" PIPE THAT DRAINS TOWARD THE STREAM THAT LEADS TO THE DAM SPILLWAY AS INDICATED PER DETAIL ON SHEET 5. AQUA Virginias. LAKE HOLIDAY WWTP EQUALIZATION BASIN AND UV DISINFECTION il 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH 4VAC50-30-40 F. APPLICABLE SAFETY CHAPTERS SHALL BE COMPLIED WITH. NAME OF RESPONSIBLE LAND DISTURBER: GERALD E. HATTON ADDRESS: 128 S. TRYON STREET, SUITE 1100 CHARLOTTE, NC 28202 TELEPHONE NO: 704-752-4258 CERTIFICATION: VIRGINA P.E., NO. 031587 SIGNATURE: DATE: VEGETATIVE PRACTICES: 1. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATION TEMPORARY VEGETATION IMMEDIATEDLY FOLLOWING GRADING. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 2. PERMANENT STABILIZATION - 3.32 ALL DISTURBED AREAS THAT WILL NOT BE GRAVELED SHALL BE SEEDED IN ACCORDANCE WITH THE SPECIFICATIONS 3. VEGETATIVE STABILIZATION SHALL BE UNIFORM, MATURE ENOUGH TO SURVIVE AND ADEQUATE TO INHIBIT EROSION. STORMWATER RUNOFF CONSIDERATIONS THE PROPOSED IMPROVEMENTS TO THE EXISTING LAKE HOLIDAY WWTP SITE WILL REDUCE THE EXISTING GRAVELED AREA BY 7402 SF, A REDUCTION OF 48% OF THE EXISTING GRAVELED AREA. A REDUCTION IN STORMWATER RUNOFF FROM THE SITE WILL THUS RESULT FROM THESE IMPROVEMENTS, AS THE GRAVELED AREA WILL BE REPLACED BY 3745 SF OF GRASSED AREA AND 3657 SF OF OPEN TANK AREA. PROJECT MANAGER G. HATTON SHEET TITLE DEPARTMENT MANAGER R. DARDEN SITE GRADING & EROSION AND SEDIMENTATION CONTROL PLAN LEAD DESIGN PROF. CHECKED BY G. HATTON G. HATTON TASK/PHASE NUMBER DRAWN BY 00002 A. APPLE PROJECT NUMBER DRAWING NUMBER CN7AQ803.VA00 4 } CUT T / m° GRASS I i 413 C ' TEMPORARY PLUG ON i m 6" FORCE MAIN i r----x X DURING EQ BASIN x 7AW 877 �T`V b N11L`I —J 6" FORCE MAIN 8j �.2 x 3ANDONED. PLUG STILLING BASIN. x „o, 1111 Loa � X wu n _ / I } / METAL MAfN7vgANCE f >c BOG FFE B80.08 ' 10"X10" CUT -IN TEE i cGoIc x FROM LIFT STATIONS FM FM -- -_ _ — c G TE 4EACH 200 GPM PUMP AND #2 �' ,�' �+ - ALVE k .aaPRox � COMMON FORCE MAIN _ UN PUMPING INTOx - z VERIFIED) 10"x12" REDUCER ` U PARKING 6"-45' BEND 15.0. 12" CONNECT TO 6" FM WITH ! VAL' ADAPTORS AS REQUIRED � a Jw LX a- MWED N TE Y 12"x6" FRAME fua 1 _ - o- sl'" TANKS �~ o cATE -- c - ---� j v I 0" p�H�—LEOU OU X �c' I 63 ,/� ou - - ou 24 `oft a, r W'SF �\� sI ,. wsp�' 12"- 45' BEND N "-45' °J BEND 24• TREECD GRAVE CO CT TO 6" FM PARKING ` y WII ADAPTERS AS > °J REQUIRED '` GRAVEL II 5 PAP.KMtG > FROM LIFT STATIONS #14 12" DIP (VALVE-' SIGN o ' TO BASIN) (500 GPM - UNVERIFIED) 4` v J EXISTING TREE LIM(TS (TYPICAL) of o + w 0 24' TREE I <41 J / J +` o ` � .- Q 41 IR w/CAP D10 \ o N' / N=7161176.268 o > E=11537011.354 C14 o ' ELEV.=878.61 cn j °J ° GN L0 FROM LIFT STATIONS #4 E d; (250 GPM -UNVERIFIED) Eo s wp Cn d KEYPLAN C) CL v � o N 0 20' 40' 60' EES - Z ¢ SCALE IN FEET 1*:20' Q= 00 0 CV Q REV. ISSUED DATE DESCRIPTION / \- REMOVE AND REPLACE INV 864.93 FENCE AS REQUIRED \�_ REMOVE GATES AND FENCE AT COMPLETION IFNn F CONSTRUCTION 6' CHAIN LINK FENCE i x� IRT w/CAP D189 N=7161319.499 E=11537247.660 ELEV.=873.25 12" 45' BEND PROP. TIE-IN EL 867.61 f —IT--� -_ _CL2 LINE _ I rl I J - -- CONIC WALK -___ --- --� AIR COMPRESSOR ' ___ A1,10R. ER CHEMIC�� ROOM) I BLOCe LAB BLDG.61 `--' 24PVC CDUIT z' "FOR AIRLINEw w Q EX. 16 x12 TEE w NC114 PU �~ PLUG 16' FOR FUTURE 5'x5' CONCRETE PAD FOR CONC. U/G V ON OLLER-EXTEND � ND L PROPANE EXISTING SHELTER R OF " TANK TO C R 12 90' BEND __' " PVC ABgN NED 12 SULFE IDI'OX�pE SHED E Q I GATE / J� X X - X C/LIN n • UV FACILITY SITE DETAIL SCALE: 1 ":10' I o 8"x6" REDUCER GATE I CONNECT TO 6" FM WITH ADAPTERS I GATE AS REQUIRED. EXPOSE AND VERIFY LOCATION AND MATERIAL / UE ou ou ou ou ou ou 8" 45' BEND / I 67.5 8" DIP PROP. SCREEN DUMPSTER PAD 1" RPP BACKFLOW / Q 12" 22y' BEND " PREVENTER AND / INV. 877.92 HOTBOX 2"x6" TEE 12" GATE / \ VALVE � // /j/ i \X PROP. MECHANICAL / / SCREEN �► o� \ ` \ \ ROP. BLOWER PAD GRAVEL \ PROP. PARKING \ GENERATOR PAD 12" INV. 877.94 EQUALIZATION BASIN SITE DETAIL SCALE: 1 ":10' GENERAL NOTES 1. CONTRACTOR TO FIELD VERIFY THE LOCATION AND ELEVATION OF UNDERGROUND UTILITIES AND PIPING. 2. THERE MAY BE UNDERGROUND FACILITIES AND PIPING NOT SHOWN. 3. EXPOSE AND VERIFY PIPE MATERIAL AND PIPE SIZE OF ALL EXISTING FORCE MAINS PRIOR TO ORDERING FITTINGS AND ADAPTORS. 4. CONTRACTOR SHALL PROVIDE FITTINGS AND ADAPTORS AS REQUIRED TO MAKE CONNECTIONS TO EXISTING PIPING. 5. INTERCONNECT INFLUENT FORCE MAINS BEFORE CONSTRUCTION OF EQUALIZATION BASIN TO DIVERT FLOW AROUND CONSTRUCTION SITE. 6. MAINTAIN SITE SECURITY FENCING AT ALL TIMES. PROVIDE TEMPORARY FENCING AS REQUIRED. 7. ALL GRAVEL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RE -GRAVELED TO PROVIDE ALL WEATHER TRAVEL AND PARKING SURFACE. 8. ALL EXISTING TREATMENT FACILITIES SHALL CONTINUE IN OPERATION. SEAL SEAL ���+�����+�rr�,, PROJECT MANAGER DEPARTMENT MANAGER LEAD DESIGN PROF. CHECKED BY .�`���LTH pF�•.,AQUA %/0.'••`�'-.�ARCAD-IS G. HATTON R. DARDEN G. HATTON G. HATTON off• Q �� .2 Virginia.. SHEET TITLE TASK/PHASE NUMBER DRAWN BY '� " 00002 A. APPLE 03 87 LAKE HOLIDAY WWTP F- ' SITE PLAN PROJECT NUMBER DRAWING NUMBER ARCADIS US, Inc. --.,,�F�;•.FE...�,�o� , 28 South Tryon Street, Suite „0� EQUALIZATION BASIN .AND FACILITIES AND PIPING fl E„HP`,.,, re8 Chariatte, rr28202 UV DISINFECTION CN7AQ803.VA00 6 Tel: 704-752-4258 Fax: 704-752--0271 SEAL NOT VALID UNLESS SIGNED AND DATED www.arcodis•-us.com SI