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HomeMy WebLinkAboutWPO201800001 VSMP - SWPPP 2018-06-11 COUNTY OF ALBEMARLE �111i� 2 Department of Community Development 3 O :,1I 401 McIntire Road,North Wing Charlottesville,Virginia 22902-4596 !, ,i Tel.(434)296-5832 • Fax(434)972-4126 Stormwater Pollution Prevention Plan (SWPPP) For Construction Activities At: Project Name: Address: 601 Earlysville Green Earlysville, VA 22936 Prepared by: Name: Asher Knopp Prepared for: Name: Steve & Kathy Hood, Et. Als., Trustees Rivanna Community Church SWPPP Preparation Date: 5/21/18 (This document is to be made publicly available according to 9VAC25-880-70,Part II, section D) APPROVED by the Albemarle County Community Development Department Date ikgrups DOciO File 6o1 l� Issued—10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County CONTENTS: (from Albemarle County Code Sec. 17-405) 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity 4. Erosion and Sediment Control Plan. 5. Stormwater Management Plan 6. Pollution Prevention Plan. 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County Section 1. Registration statement (Provide a signed completed copy of the DEQ registration statement) N/A Issued—10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Section 2. Notice of general permit coverage (This notice is to be posted near the main entrance according to 9VAC25-880-70, Part II, section C.) (Provide a copy of the DEQ coverage letter when obtained) N/A Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County Section 3. Nature of activity (Provide a detailed narrative of the construction activities. Include or reference a construction schedule and sequence. Include any phasing.) Check Sheet 4 NOTES AND DETAILS for construction sequencing and scheduling. Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County Section 4. Erosion and Sediment Control Plan. (Provide a reduced, 11x17 copy of the latest Erosion and Sediment Control Plan. Do not reference only.) SEE ATTACHED Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County Dace: NOV 2015 II 1 I Soda: AS NOTED Designed by. TBF I I I I I Drawn by TBF Chocked by: lEIF t\ (/' I I 1 ^..\ `1 R — — —At— — — — ' \ 1 ( 1 I 1-1 • -.................\ \ seas ► /q _ \. 8 �\ @k�1/ i \ \ \ ��� \ \ 1 r / ! 1� to / / \ aus ecs `_—. �� \ 1 H I ' I I I I 1 \ \ r W \ \ \ I IL, / I I I� W \• �'7RAE0 ay. I I I I \i 1 \ ,ti--------,,_,A.. \ I r1 / ► I YV,s•(1 E - "_ = ,1— _____ y-- 1. {r{ !I " I �_I 1 1 ITT! 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J I -haw. +ter 4' 1 a _ ._.__ r ---- ho • • 1 � V I I I,, ,1 ►--�:, ��.�I;mul -_ -y / , . .TV` ..,,_:________._____- ‘• 9, • r -,--_-,___, „•_______,___--.__1 1 1 • `1 1 •t . , I ' -_—_------ --' I t il • \ I 1 1 \ \ ` • ll 1 1 I ``` R \ \ \ Aik . I 1 • t � :_- 15 • _�_�_ . .� T '. Z l�/ -___ ::_i___,......... / p - `- `- —� l/ 1� ni \ —_— �\ �_` k _ �usslFlc\no O�RS_T_ URIi ;, �say�,\___ N Rlf►�L --__ --- .1D1 -- D -- 2 > G) m 0 o m m 51 STORMWATER MANAGEMENT o�yF",.T"rF`!P2 i' HDMormrl c BLACKWELL s RIVANNA COMMUNITY CHURCH Is' HLACKWEII, y 15 so, EARLYSVILLE GREEN m ENGINEERING, Lic.No.023031 588 East MOrkst StreetEARLYSVILLE, VA 22936 L R. Po kv� Harrisonburg.Virginia 2?B01 PLC y o ��S`r�ONALEC3C�' PHdE-M HJ2-9006 pJ{-7!G q{ G Section 6. Pollution Prevention Plan. reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section A.4) A. Plan showing pollution activities and prevention practices (Provide a reduced 11x17 copy of a site plan on which all of the following activity locations are clearly marked. Keep this plan up-to-date with ongoing site changes and inspections.) Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County B. Sources of Pollutants,locations,and prevention practices Pollutant,or Pollutant Location on site Prevention Practices, Generating Activity Control Measures C. Sources of Pollutants, continued. Common activities and minimum control and prevention ractices Pollutant,or Pollutant Prevention Practices, Generating Activity Location on site Control Measures Follow Erosion and Sediment Control Clearing,grading,excavating,and un- Plan.Dispose of clearing debris at stabilized areas Land disturbance area acceptable disposal sites.Seed and mulch, or sod within 7 days of land clearing Cover storm drain inlets and use drip Paving operations Roads and driveways pans and absorbent/oil dry for all paving machines to limit leaks and spills Direct concrete wash water into a leak- Concrete washout Current location and detail shown proof container or leak-proof settling and cement waste on plan basin that is designed so that no overflows can occur Enclose or cover material storage areas. Mix paint indoors in a containment area or Structure construction,stucco, Structures in a flat unpaved area.Prevent the painting,and cleaning discharge of soaps,solvents,detergents and wash water,paint,form release oils and curing compounds. Water shall be filtered,settled or similarly Dewatering operations Dewatering sites shown on plan treated prior to discharge as shown on plan. Designated areas for material delivery Material delivery and storage Designated area shown on plan and storage.Placed near construction entrances,away from waterways and drainage paths Follow manufacturer's instructions Material use during building process Building areas .MSDS's attached. waste collection area will not receive a substantial amount of runoff from upland Solid waste dis osal Current designated container areas areas and does not drain directly to a p on plan waterway.Containers have lids covered before periods of rain,or are in a covered area.Scheduled collection to prevent Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Pollutant,or Pollutant Prevention Practices, Generating Activity Location on site Control Measures overfilling.MATERIALS NOT TO BE BURIED ON-SITE Convenient and well-maintained portable sanitary facilities will be Sanitary waste Current locations shown on plan provided,and located away from waterways or inlets.Such facilities shall be regularly maintained. Apply fertilizers in accordance with Landscaping operations Landscape areas shown on plan manufacturer's recommendations and not during rainfall events To be treated in a sediment basin or better control as specified on plan. Wash Waters Wash areas shown on plan Minimize the discharge of pollutants from equipment and vehicle washing Designated areas and details shown on Provide containment and filtering for all Vehicle and equipment washing plan wash waters per the plan Minimization of exposure to precipitation and stormwater.Minimize the exposure of building materials,building products, construction wastes,trash,landscape materials,fertilizers,pesticides,herbicides,detergents,sanitary waste,and other materials present on the site to precipitation and to stormwater. (Identify all non-stormwater discharges to occur on your site. Keep this plan up-to-date with ongoing site changes and inspections. See CGP, 9VAC25-880-70 section E for examples of non-stormwater discharges.) D. Non-stormwater discharges_ Discharge Pollutants or Pollutant Location on Site Constituents Issued—10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County E. Persons responsible for pollution prevention practices (Provide the names and contact information for all persons responsible for prevention practices as listed above.) Scott Knight (Pastor of Rivanna Community Church) sknightrivanna@gmail . com 434-975-0011 F. Response and reporting practices Minimize discharges from spills and leaks.Minimize the discharge of pollutants from spills and leaks and implement chemical spill and leak prevention and response procedures as follows. Respond to all spills,leaks and discharges as follows; Report all spills,leaks and discharges as follows; (Provide detailed response and reporting practices according to 9VAC25-880-70, Part II, section A.4.e.) SEE ATTACHED G. Pollution Prevention Awareness (Describe training and procedures to provide awareness and compliance for all measures in this document;waste management,wash waters,prevention measures, etc.) Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County Upon receipt, a copy of the notice of coverage under the general VPDES permit for discharges of stormwater from construction activities (i .e. , :ice of coverage letter) and a copy of the general VPDES permit must be kept with SWPPP books . Operators with day-to-day operational control over SWPPP implementation shall have a copy of the SWPPP available at a central location on-site for use by those identified as having responsibilities under the SWPPP whenever they are on the construction site. The operator shall update the SWPPP no later than seven days following any modification: Construction activities temporarily or permanently cease on a portion of the site; and Stabilization measures are initiated. Areas that have reached final stabilization and where no further SWPPP or inspection requirements apply. All properties that are no longer under the legal control of the operator and the dates on which the operator no longer had legal control over each property. The date of any prohibited discharges, the discharge volume released, and what actions were taken to minimize the impact of the release. Measures taken to prevent the reoccurrence of any prohibited discharge . Records will be retained for a minimum period of at least 3 years after the permit is terminated. Section 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. (Provide detailed measures for any applicable TMDL) Runoff to Jacobs Run TMDL: N/A Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County Section 8. Qualified personnel The following personnel are responsible for inspections; (Provide the name, telephone number, and qualifications of the qualified personnel conducting inspections.) NAME Ed Blackwell PHONE# 540-432-9555 QUALIFICATIONS PE Lic. No. 023831 NAME PHONE# QUALIFICATIONS NAME PHONE# QUALIFICATIONS Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 9. Signed Certification (Provide certification according to 9VAC25-$70-37O) CERTIFICATION "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Operator Name: Company: zi vQ..e Keo�. Co__ t-�.� CJ `'"`re� Title: z s-l-o e" Signature: Date: �j/Z Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Section 10. Delegation of authority. ;Provide the persons or positions with authority to sign inspection reports or to modify the stormwater pollution prevention plan. A formal, signed delegation of authority is needed.) Delegation of Authority I, (name),hereby designate the person or specifically described position below to be a duly authorized representative for the purpose of overseeing compliance with environmental requirements,including the Construction General Permit, at the construction site.The designee is authorized to sign any reports,stormwater pollution prevention plans and all other documents required by the permit. (name of person or position) (company) (address) (city,state,zip) (phone) By signing this authorization,I confirm that I meet the requirements to make such a designation as set forth in the Construction General Permit(CGP),and that the designee above meets the definition of a"duly authorized representative". Operator Name: Company: Title: Signature: Date: Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Section 11. General permit copy (Provide a copy of the construction general permit, 9VAC25-880) N/A Issued—10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Section 12. Inspection logs (Provide templates for your inspections. Requirements are listed in 9VAC25-880-70,Part II, section B and F.) Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Appendix D — Inspection Report - Construction Entrance/Exit Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Construction Entrance/Exit (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Construction Road Stabilization Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person 1 I 1 i I 1 1 Appendix D — Inspection Report - Construction Road Stabilization (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed(including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person i I i i f I i I I I Appendix D — Inspection Report - Silt Fence Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Silt Fence (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Inlet Protection Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person I 1 Appendix D — Inspection Report - Inlet Protection (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person f P i i Appendix D — Inspection Report - Culvert Inlet Protection Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Culvert Inlet Protection (CONTINUED) Project Name: Rivanna Community Church SW�PP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed(including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Outlet Protection Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Outlet Protection (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person 1 i • 1 Appendix D — Inspection Report - Topsoiling Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Topsoiling (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection. Inspector Location/ Description of Discharge or Corrective Action Needed(including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person I i Appendix D — Inspection Report - Temporary Seeding Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person f ' Appendix D — Inspection Report - Temporary Seeding (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Permanent Seeding Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Permanent Seeding (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed(including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Mulching Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person 1 I Appendix D — Inspection Report - Mulching (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person • Appendix D — Inspection Report - Blanket Matting Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person Appendix D — Inspection Report - Blanket Matting (CONTINUED) Project Name: Rivanna Community Church SWPPP Contact: Inspection Inspector Location/ Description of Discharge or Corrective Action Needed (including Date Action Date Name(s) Weather Deficiency(if any) planned date/responsible person) Taken/Responsible person When to Report an Oil Spill QL SPILL IS THE SPILL TO NAVI GABLE WATERS YES OR ADJOINING SHORELINES? hk� COULD WATER QUALITY YES STANDARDS BE .-- r-- VI OLATED? -- ANY OF THE RE OR-11 G rriU REPORT E EMFIlONS THE SPILL APPLY? COULD HE SPILL CADS YES A FILM, •SHEEN„• GR YES E I SGOLORATI ON No COULD THE SPILL CAUSE YES A SLUDGE OR EMULSIrtt No l'AIEELITO REPORT THE SPf LL CONTACTS: Erosion and Sediment Control Administrator Albemarle County: (434)972-4126 City of Charlottesville: (434) 970-3182 Augusta County: (540)245-5700 City of Harrisonburg: (540)432-7700 Bath County: (540) 839-7236 City of Staunton: (540)332-3862 Frederick County: (540)665-5643 City of Waynesboro: (540) 942-6604 Greene County: (434)985-5282 Highland County: (540) 463-2323 Madison County: (540)948-6102 Nelson County: (434)263-7082 Orange County: (540)672-4347 Page County: (540)743-1324 Rockbridge County: (540)464-9662 Rockingham County: (540)564-3047 Shenandoah County: (540)459-6190 Warren County: (540) 636-3354 Department of Environmental Quality Tidewater Regional Office Virginia Beach (757)518-2000 Piedmont Regional Office Richmond/Glen Allen (804)527-5020 Northern Regional Office Woodbridge (703)583-3800 Valley Regional Office Harrisonburg (540)574-7800 Blue Ridge Regional Office Lynchburg/Roanoke (434)582-5120 Southwest Regional Office Abington (276)676-4800 Other DEQ Locations: Central Office Richmond (804)698-4000 Air Monitoring Richmond (804)698-4424 Surface Water Investigations Charlottesville (434)293-1020 Protect Name: Moines Community Church �- I 1111--dab lope(alb Ours: 6/7/201a � sonstam mime Linear Dewbpntant Project? No de%blta5M1 Site Information Post-Development Project(Treatment Volume and Loads) Enter Total Disturbed Area(acres) -) 0.82 Check: _ IMP Design Specifications Fist 2013 Draft Ads&Specs Maximum reduction required:IIMIZM ILinear project? No The site's net increase in impervious cover(acres)is:IIIIIII. Land cowr areas entered correctly? Post-Development 7P Load Reduction for Site(1b/r):111111, Total dhturbed area enteral? Pre-ReDevebpntent Land Cover(acres) A Soils B Soils C Soils D Soils Total I forest/Open Space(acres)--undisturbed, yrotecletl brest/open space or reforested L. 0.00 Managed Turf(acres) disturbed,graded for 0.61 vaMs or other turf to be mowed/managed 0.61 Impervious Cover(acres) 0.21 0.21 0.82 Post-Development Land Cover)sores) A Soils BSolls CSoils DSoils Totals forest/Open Space(acres)--undisturbed, protected forest/men space or reforested land 0.00 Managed Turf(acres) disturbed,graded for 0.Si weds or other tort to be mowed/managed 0.51 Impervious Cover(acres) 0.31 0.31 Area Check OK. OK. OK. OK. 0.82 Constants Runoff Coefficients(Rv) Annual Rainfall(inches) 4 3 ASolis BSolls CSolls DSOI% Target Rainfall Eventlinches) 1.00 forest/Open Space 0.02 0.03 0.04 0.05 Total Phosphorus(TO)EMC Img/L) o 26 Managed Turf 0.15 0.20 0.22 0.25 Total Nitrogen(TN)[MC Img/LI 1 86 Impervlous Corer 0.95 0.95 0.95 0.95 LAND COVER SUMMARY--PRE-REDEVELOPMENT LAND COVER SUMMARY-POST DEVELOPMENT Land Cover Summory-Pre Land Cover Summary-post(Floc)) Land Cover Sommory-pM Land Cover summary-post Pn-Re0evelopm550 urt fisted l ed Post ReDev.&New lmpervous Post#e0evelopnem Poet-Development new pervious L Ad Forest/Open Space Forest/Open Space_ Forest/Open Space Cover(acres) 0.00 O.DO Over)acres) 0.00 Cover cres ver( ) 000 a Weighted M)tpresq 0.00 0.00 Weighted Ro)f0rest) 0.00 Weighted Rolfonstl 0.00 ,w 's' a %Forest 0% 0% %Forest 0% %Forest i 0% a' Managed Turf Inn.(acres) 0.61 0.51 Managed Turf Cover 0.51 - - Managed Turtrover 0.51 k_. )acres) hem) Weighted Miturf) 0.20 020 Weighted Ranier) 0.20 Weighted Rv(turf) 0.20 t%Managed Terri 74% ]I% %Managed Turf 62% %Managed Turf 71% he.) Impervious Cover ME., 1 0.3. Impervious New Cover ...ions Corer( .) 0.21 0.11 0.31 0.21 0.1D (ages) co m hum) )acres) ft...huh 0.95 0.95 Ralimpervbus) 0.95 Rhimpervious) 0.95 Rviimpervbus) 0.95 %impervious 26% 29% %Impervious 38% %irnsenams 29% f Total Re Total Site Area(acres) 092 0.72 Final Site Ana litre.) 0.82 l NM Ana(acres) 0.72 f f SIMRe 0.39 0.42 N.Post Om She Re 0.48 R.D.v SIMRe 0.42 b Treatment Volume and Nutrient Load Treatment Volume and Nutrient Load Prt Pe0eve Treatment final Post Development Post-ReDeve0Pment! Post-0evebpnem Pre -reana 0.0268 0.0251 Treatment ovolume 0.0330 tmemvo 0.0253 T tment volume 0.00]9(acre R) rta(sae h)Ium rca(sae RI m Trcalnem Volume rim!Post Development Post-ReDevebpnent ere Oevebpmen Pre-xeoevelop"e 1,167 1,094 Treatment a 1,439 treatment volume 1,094 aim mvo ume(cubic) 345 (cubic het) Trt(cub hell Volume (cubic lest) a fret) noel Post- _ Post ReDDew opmem Pre-ReDemlopment TP Load Development TP Post-Oevebpnem TP l lln/vrl 0.73 0.69 Load 0.90 afTPl 099 load 116/vrl 0.22 (lb/yr) IIWpI' 1 . o..ap enant n aa Load per OM AM P na �e L.to -.Dewlec„�tm (; lib/amOni I P Ie/pave/r I Nyae/y4 Baseline TP load Ob/vr) Me-RMuobm apub.. llSar/eme/yr.pphamp...d...lnp,m.m.,..odmingp,.ios 6.36 n.t.Pm w% Ind mom..new Inq.rwam cewrl u.o..es.Pm.at lmse0 j Adjusted Land Cover Summary: Tp Lob Reduction T.Load Reduction PreR.Dewbpm.nt lard rover minus pervious land rover 0orest/open spare or managed Required for 0.07 Required for New 0.18 turf)osreape Propose,for new impervious rover. Redeveloped Area Impervious Arta(Ib/Yr) (lb/yr) Adjusted Adal acreage is comlhenr wiMPmr-Re0errbpment acreage(minus ocreag.of --new impervious rover). Column I shows load ndurrron rrqurhmenr for new imarvbus rover(based on n.Lv development bad Rml,0.01 labs/re/war). Post-Development Requirement for Site Area TP Load Reduction Required(lb/yr) 0.24 Nitrogen Loads(Informational Purposes Only) Fln.l PmoOevelopment TN bad M-noo.onlopnent TN load(Ib/yr) 5.25 (Post-Re0evelopment&New lmpervous) 6.47 (Ib/yr) 1 1 I I I Drainage Area A CLEAR AMP AREAS Drainage Area A land Cover lama) A 506 •Salo Grails Db6 _ Totals land Cover Rv F«est/Open Space(ave.) 0.00 0.00 Managed turf(«+e.l 0.00 0.00 1,3er.l«,s<war)mares) 0.0) 0.07 0.95 Tool Phosphorus Available for Removal In D.A.A(Ib/yr) 0.15 Total 0.01 Port Development Treatment Volume In D.A.A(%') 3A1 Stormwater Best Management Practices(RR=Runoff Reduction) --Select from dropd0wn Ile..-- RunoR Managed Impervious Volume from Remaining Total BMP phosphorus Phosphorus load Untreated Phosphorus Remaining Nitrogen Nitrogen Load Untreated Nitrogen Remaining naH Downstream Practke to be Practi50 Reduction Turf Credit Cover Credit Upstream ND s Runts%Volume TreatmentNitrogen from Upstream Phosphorus lead Removed By Phosphorus Load Employed Removal from Upstream No{en Load Removed By Nitrogen load i Credit(5t) Area roar.) Area(acres) practice Ise) Reduction(R) (ft.) Volume IH) Efficiency(14) Practkes(lb) to Practice(lb) Practice lib) (lb) Efficiency(%) Pras%re.(lb.) to Pramke(lb.) Pracke(lb.) fibs) 1.Vegetated ROof(RR) 1.Vegetated Roof(RR) 000 000 000 La.Wee 16.vegetated RoofRlspec Rl W 0 0 0 0 O.m 0.000.00 0 O.W o.W a.W .Rooftop Disconnection(RR) 1.Rooftop Dimon nectlon(RR) 1a.Simple Disconnection to A/Bsdb 0 139 000 0 O.0.00OW Mona 0.15 O.0] Mo 0 0.00I.N 0.53 0.53 SO O.W 319 2b.5lmple 05f0nrecticn to C/O Sdb 15 0 0 0 0 0 OM 0.00 0.00 0.00 0 000 0.00 000 O. (Spec NI) (e m5C/0 sd1s115oecneal so «.d•mmra .b 0 0 0 0 0 0.00 0.00 Ono 0.00 0 0.00 0.00 0.00 000 Ld,50Uy Well ior trance Deln Yl. so S 0 0 0 0 15 0W OM am 0W ]5 0.000.00O.W 000 DOD el I5oc RI To 00 Well or Freres peen R so 0 0 0 0 ]s O.W 0.000.W moo R O.W O.W .0O.W «0(S.C..) _ _ Garden NI. a0 0 0 0 0 05 OW U.O. 0.00Om 40 0.000.W OW 0.W 1 RP.Y91 Garde 2.g.to Rain na w 0 0 0 0 W o.O. 0.00oats a.W w a.W o0. o0.00o.W Mioo-a«etention (Speen) a,.To Rainwater Rare. W«na(S RI 0 0 0 0 a o O.W OW 0.W 003 o a.W oats O.00 0.00 Urbn B«esmmm(Spec a,Appendix Al 00 •aaa•a.a: 0 0 0 0 15 0.00 0.W 000 0.00 e0 0.00 0.00 0.03 OW 3.Permeable Pavement(PR) 3.Permeable Pavement(RR) 3.a.Permeable Pavement a pee 1(S .) as(Sp..) 0 0 13 0.00 0.00 0.W 0.w 00 0.00 0.00 0.00 0.00 3e.Parma..Pavement al(SG«a% R ,,,,,,:• a,,,,,,•• 0 0 0 15 ee. 0ao a.W 000 00 ........a, one one 003 4.Grass channel(RR) a...Gress Carves A/050Ns(Spec 1131 10 0 0 0 0 15 0.W o.W 000 0.00 10 D.W 0.00 0.00 0.80 Ala Grass ChanrW./Dsdk(s(.0 5) 10 0 0 0 0 15 0.00 0.00 O.W 0.W 10 0.00 0.00 000 0.W e.c.Grass Channel specs Comp Amended Seas }0 0 0 0 0 15 O.W O.W 0000.CO 10 Om O.W o.W OM as per S.Dry Swale(RR) 5.Dra wale(RR) Sa.Dry Swale al 15,0110) ea o a 0 0 10 o.W 0.00 o.W D.W 0.00 0.00 000 000 56.Ora Swale N115pec N101 W 0 0 0 0 40 0.00 O.W 0W 0.00 ® 0.00 000 0.00 OW Sore en me.(RRI b.Rrwetemmn(RR) R+.e "So gntwn el« ea 0 a 0 0 ss o.W o.W o.W o.W ao 0ao 0.OS 0.00 O. Urban G.b.arpretendon u&w«on w ion Nl 0 0 0 n W W 0 W 0.80 O.W a.W O.W 000 000 000 (Spec N01 I.Infiltration IRRI L Infiltration(RR] ]a.InRltrtion 0115pec eel 50 0 0 0 0 15 O.W 0W O.W O.W 15 0.00 0.CO 000 000 7n.Innnretwne2(5.Rl W 0 0 0 0 25 0.00 O.W 0.W O.W 15 000 000 000 0.00 Fl _ReD.CcnPLarep mdMaal_h.m 8.Extended Detention Pend(RR) R.Extended Detention Pond(RR) R+.mal{Spec alsl 0 o a O 0 is 0.00 v.m o.m 0.m t0 000 om 9.W 0.CO Kb.END'Spec a.) Is o 0 0 0 Is 0.m o.W aW o.W 10 0.00 0.00 0.CO 0W 9.Sheetil0w to Filter/Open SPaee(RR) 9.SheetROw to Filter/Open Space(RR) 9.a.Sheeterow Oa Conservation Area.CI0 sub 0 0 0 0 0 Om 0000.W 0.m o 0.03 0000.W 0.03 9.s sl"`tno't°t'n'°ll.00S nr`°'C,/DSan' TO 0 0 0 0 0 om O.W o.m O.W o 0.CO 0.00 003 oW 150.ca21 9.c.ShaetflowComto F Pala, 0 n0�enbd lSoI� 50 0 000 Om Om 0.00t DPecaiA Ml TOTAL IMPERVIOUS COVER TREATED(.F) 0.01 AREA CHECK:OIL TOTAL MANAGED TURF AREA TREATED(K2) 0.00 AREA CHECK:OR. TOTAL RUNOFF REOVCDON IN DA.A(R) 119 TOTAL PHOSPHORUS AVAILABLE FOR REMOVAL IN D.A.A(lb/yr) 0.15 TOTAL PHOSPHORUS REMOVED WFFH RUNOFF Rf WCFION PRACTICES IN D.A.A(Ib/yr) 0.07 TOTAL RUNOFF REDUCTION IN D.A.A(N'1 119 TOTAL PHOSPHORUS REMAINING AFTER APPLYING RUNOFF REDUCTION PRACTICES IN D.A.A(Ib/yr) 0.08 NITROGEN REMOVED WEDS RUNOFF REDUCTION PRACTICES IN D.A.A(Ib/yr) 0.53 SEE WATER QUALITY COMPLIANCE TAB FOR SITE COMPLIANCE CALCULI TIONS SEE WATER QUALITY COMPLIANCE TAB FOR SITE CALCULATIONS(Information Only) LB.wet Swale Inn PP) In.Wet Swale(Coastal Plain)(no RR) 10...Wet..Wet..al lspKNUI o 0 O v o 20 0000.W 90000.00o.W am 9m 000 10.o.Wet Swale a2DPca1U o 0 0 0 0 w 000 9.W om a.m om 9m 0.00 am 11.Filtering 555ctice5(no RP) 11.luterini Praeuee.(SORR) 11...MterinFR+rnce el(5Reca12) a 0 0 0 o 50 9.W O.m o.W oW an 000 000 0.00 003 112,Me tie +a.cea2(S0ec.14 v o 0 0 0 55 o.W om o.W 9.m s 0.CO 0.00 am 000 1,Constructed Wetland(no DR) 12.Constructed Wetland(no RD) I2...Cwno pec ucled Wetland NI lsa13) 0 0 v 0 0 50 o.W 003 0.W 0m 15 0.00 0.00 0.00 9m UP.Constructed Wetland El DPeca11) 0 0 0 0 0 25 o.W am 0.W 0.m 55 0.W aW .00 0.00 13.wet Ponds(no RR) 13.Wet Ponds(no RR) 13a.Wet Peep'N1(Spa11.l 0 0 0 0 0 50 0.00 0.00 003 o.W m o.W 0m 000 aW 13.h.Wet Pond a1(Coastal P.IN(Spec NI.) 0 0 0 0 0 IS 0.00 0.W om 000 W 0.W 0.03 0.00 0.00 19.L wePond a2 DP.ntVD 0 0 0 O 0 75 000 0.00 000 0.m w o.W 000 0.00 0.00 Pond3.d.wet Pond F2(Coastal Plain)(Spec un 0 0 D 0 0 55 om 0m 9.m Om m om 9.W 0.00 000 w.Manufactured BMP(no RR) .Manufactured Device- 0 v 0 v 0 00020 0 0.00 0.00 0.00o 0.000.00Ma.Ma. n. 0 0.00 0.00 uHydrodynamic 14.11 Manufactured Treatment 0erueant. v 0 0 0 0 20 0.00 OM 0.00 0009 0 0.00 9.W 0.02 900 1..o M°nw+ww Treatment Device-Generic 0 0 0 0 0 W 0000000.03 0.00 o O.W am 9.W 0.m TOTAL IMPERVIOUS COVER TREATED(m) 0.02 TOTAL MANAGED TURF AREA TREATED(PO 0.03 AREA CHECK:OK. TOTAL PHOSPHORUS REMOVAL REQUIRED ON SITE(lb/yr)I 0.24 1 , 3o3.3.03 V,..m TOTAL PHOSPHORUS AVAILABLE FOR REMOVAL IN D.A.A(Ib/yr) 0.15 TOTAL PHOSPHORUS REMOVED WITHOUT RUNOFF REDUCTION PRACTICES IN D.0.A)Ib/yr) OVA TOTAL PHOSPHORUSD.A.A Ilb/yr) 0.07 TOTAL PHOSPHORUS LOAD REDACTOR ACHIEVEDE IN D.A.A Iw/yr) 0.07 TOTAL PHOSPHORUS REMAINING AFTER APPLYING BMP LOAD REDUCTIONS IN D.A.A)IE/yr) 0.08 SEE WATER QUALITY COMPLIANCE TAB FOR SITE COMPLIANCE CALCULATIONS NITROGEN REMOVED WITH RUNOFF REDUCTION PRACTICES IN ETA A)Ib/yr) M53 NITROGEN REMOVED WITHOUT RUNOFF REDUCTION PRACTICES IN D.A A)Ib/yr) 0.00 TOTAL NITROGEN REMOVED IN D.A.A)Ib/yr) 0.SS Site Results(Water Quality Compliance) -- Alva Clacks_ DA A DA.6D.A.c AMA CNEE FoRF3710INII WILE(AR) 000 0.00 _ at. 000 0.00 Olt MYFRUWS COVWmAI OM a00 0.00 0.00 000 Cl. MFFRVS005 COMER TREATED IRO 0.07 AM A00 D.OD 0 00 OM. AMNADFD TURF MIAIAFI A00 A00 0.00 0.00 D.00 Ct 100.14.360NRF ARWWEATED WI 000 0.00 AOO 0.00 000 , DLL ARW CROE coc. OR. OK OK OIL SRa Treatment Volume(fel Tp39 Runoff Reduction Volume and TP By Drainage Area L .. DAs DA. 0 DAD TOTAL .... RUN OFF LOAD AVAILABLE VOLUME 0CU1E nOIR'I 0 0 WLOADAVAILA LE FOR RFRA03u03/3,) 015 OM 0 00 W Loan RLIRICION area.°IN/r,l 000 0.00 0.00 007 ow o00 _-- D.ao oco a.oE WLOM IaWUNLND IR/rn ooe oro o00 _ NIIOam LORD LR01010W 0O1QVFO ID/r) T 0.53 I I Total Phosphorus_ mAL IKOTOEVFWRRERT Tt LOAD 1/n) Lotlbr W LOAD RFdO1ONEQUI /r,) a It LOADucn O ORRRFv[ 1 b,l s IIre 0 . It LOAD RFMA1NL (Kirk an WWIARSNIP LOAD Re1KI10mWWMFDIa/rk 0.17 -Total Nitrogen(For Information Purposes) _ _ rosrAnnmoWEMLOSO ID/r,I 647 1 _ — eFI1Wm LOAD aEE1C110NAEEVFD lah,l 0.53 RFWNMPOET-0FVflWRVI0 OMICRON LOAD RM) 5.9a Virginia Runoff Redu- -"ethod Worksheet DEQ Virginia Runoff Reduction Method Re-Development Compliance Spreadsheet -Version 3.0 BMP Design Specifications List: 2013 Draft Stds&Specs Site Summary Total Rainfall(in): 43 Total Disturbed Acreage: 0.82 Site Land Cover Summary Pre-ReDevelopment Land Cover (acres) A soils B Soils C Soils D Soils Totals %of Total Forest/Open(acres) 0.00 0.00 0.00 0.00 0.00 0 Managed Turf(acres) 0.00 0.61 0.00 0.00 0.61 74 Impervious Cover(acres) 0.00 0.21 0.00 0.00 0.21 26 0.82 100 Post-ReDevelopment Land Cover (acres) A soils B Soils C Soils D Soils Totals %of Total Forest/Open(acres) 0.00 0.00 0.00 0.00 0.00 0 Managed Turf(acres) 0.00 0.51 0.00 0.00 0.51 62 Impervious Cover(acres) 0.00 0.31 0.00 0.00 0.31 38 0.82 100 Site Tv and Land Cover Nutrient Loads Pre- Final Post-Development Post- Final Post-Development Post-ReDevelopment TP Post- Adjusted Pre- ReDevelopment (Post-ReDevelopment Development TP Load per acre Load per acre &New Impervious) ReDevelopment (New Impervious) ReDevelopment TP Load per acre (Ib/acre/yr) (Ib/acre/yr) (Ib/acre/yr) Site Rv 0.48 0.42 0.95 0.42 0.96 1.10 0.96 Treatment Volume(ft3) 1,439 1,094 345 1,094 TP Load(Ib/yr) 0.90 0.69 0.22 0.69 Total TP Load Reduction Required(Ib/yr) 0.24 0.07 0.18 Final Post-Development Load Pre- (Post-ReDevelopment&New Impervious) ReDevelopment TN Load(Ib/yr) 6.47 5.25 Summary Print Virginia Runoff Redu -"ithod Worksheet Site Compliance Summary Maximum%Reduction Required Below 10% Pre-ReDevelopment Load Total Runoff Volume Reduction(ft) 119 Total TP Load Reduction Achieved(Ib/yr) 0.07 Total TN Load Reduction Achieved(lb/yr) 0.53 Remaining Post Development TP Load (Ib/yr) 0.83 Remaining TP Load Reduction(Ib/yr) 0.17 Required Summary Print Virginia Runoff Redu - >thod Worksheet Drainage Area Summary D.A.A D.A.B D.A.C D.A.D D.A.E Total Forest/Open(acres) 0.00 0.00 0.00 0.00 0.00 0.00 Managed Turf(acres) 0.00 0.00 0.00 0.00 0.00 0.00 Impervious Cover(acres) 0.07 0.00 0.00 0.00 0.00 0.07 Total Area(acres) 0.07 0.00 0.00 0.00 0.00 0.07 Drainage Area Compliance Summary D.A.A D.A.B D.A.C D.A.D D.A.E Total TP Load Reduced(Ib/yr) 0.07 0.00 0.00 0.00 0.00 0.07 TN Load Reduced(Ib/yr) 0.53 0.00 0.00 0.00 0.00 0.53 Summary Print Virginia Runoff Redu athod Worksheet Drainage Area A Summary Land Cover Summary A Soils B Soils C Soils D Soils Total %of Total Forest/Open(acres) 0.00 0.00 0.00 0.00 0.00 0 Managed Turf(acres) 0.00 0.00 0.00 0.00 0.00 0 Impervious Cover(acres) 0.00 0.07 0.00 0.00 0.07 100 0.07 BMP Selections Managed Turf Impervious Cover TP Load from BMP Treatment Untreated TP Load TP Removed TP Remaining Downstream Treatment Practice Credit Area Credit Area Upstream Volume(ft3) to Practice(lbs) (lb/yr) (Ib/yr) to be Employed (acres) (acres) Practices(Ibs) 2.a.Simple Disconnection to A/B Soils (Spec#1) 0.069 237.95 0.00 0.15 0.07 0.07 None Total Impervious Cover Treated(acres) 0.07 Total Turf Area Treated(acres) 0.00 Total TP Load Reduction Achieved in D.A. (Ib/yr) 0.07 Total TN Load Reduction Achieved in D.A. (Ib/yr) 0.53 Summary Print Virginia Runoff Redu tthod Worksheet Runoff Volume and CN Calculations 1-year storm 2-year storm 10-year storm Target Rainfall Event(in) 0.00 0.00 0.00 Drainage Areas RV&CN Drainage Area A Drainage Area B Drainage Area C Drainage Area D Drainage Area E CN 98 0 0 0 0 RR(fts) 119 0 0 0 0 RV wo RR(ws-in) 0.00 0.00 0.00 0.00 0.00 1-year return period RV w RR(ws-In) 0.00 0.00 0.00 0.00 0.00 CN adjusted 100 0 0 0 0 RV wo RR(ws-in) 0.00 0.00 0.00 0.00 0.00 2-year return period RV w RR(ws-in) 0.00 0.00 0.00 0.00 0.00 CN adjusted 100 0 0 0 0 RV wo RR(ws-in) 0.00 0.00 0.00 0.00 0.00 10-year return period RV w RR(ws-in) 0.00 0.00 0.00 0.00 0.00 CN adjusted 100 0 0 0 0 Summary Print AY Mw p, / rcp:^µd SITE ma's P F� 1''�e Ao. "Or w,.. VICINITY MAP (SCALE: 1"=2000') EXHIBIT FOR APPROXIMATE LOCATION PURPOSES ONLY GRAPHIC SCALE 100' 0 100' •,00' rt � SCALE: 1"=100' J M1111111M Iniimaiab.—_ Agglip , _ AT---: --- _ ,,,,,,,a,„,„>. 111 46 �,� ,., 1 �K� � (NOT a roro PLACID WATERWAYS . 0. 1 --.1.11111111111iiii,i:7:1411 i OR 014 STEEP SLOPES) ri L1Lc1k* 4YQI ' Itfid „o-PL.0.- fir ------ mpli:z.--!mztek :.!tom 1�i 1210 , : ..: 6 011PP"-is ii— .. ,...„ ilf 1 Si ..'figs =� ..A is.z::10, a =. ::.:.:+X 1 am w "-Aft. it ••• MI mem lltiagitil1 11111AA , - BLACKWE« ENGINEERINGla R IVAN NA COMMUNITY CHURCH FIGURE 566 EAST MARKET STREET S W M Qp B M P LOCATION HARRISONBURG, VA 22801 �/� Vc. Phone: (540) 432-9555 SCALE DATE: DESIGNED BY: DRAWN BY: CHECKED BY: PROJECT #: FAX: (540) 434-7604 1"=200' 6/7/2018 BTF NAK EHB 2346