HomeMy WebLinkAboutWPO201800082 VSMP - SWPPP 2020-01-29 COUNTY OF ALBEMARLE
Department of Community Development
401 McIntire Road,North Wing
® Charlottesville,Virginia 22902-4596
Tel.(434)296-5832 • Fax(434)972-4126
Stormwater Pollution Prevention Plan (SWPPP)
For Single Family Residential Construction within a larger plan of development
For Construction Activities At:
Project Name: Woodlands Farm
Address: Woodlands Farm
1110 Woodlands Rd.
Charlottesville, VA 22901
Prepared by:
Name: B.Clark Gathright, P.E.
SWPPP Preparation Date: January 20, 2019
(This document is to be made publicly available according to 9VAC25-880-70,Part II,section D. With the
building permit, it is to be posted in a prominent place at the jobsite entrance and available to the public and the
county inspector.)
APPROVED
by the Albemarle County
Community e el pment Department
Date r Z '( 7-o to
File (q •LW
�
Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP) Single Family Residential Albemarle County
Erosion and Sediment Control Plan.
An erosion and sediment control plan is in place for the overall development,under the operation of the
developer. An erosion and sediment control agreement is in place for this lot, and is attached.
(Provide a signed copy of the agreement here.)
Stormwater Management Plan
A stormwater management plan is in place for the overall development,under the operation of the developer.
• Details and plans for required stormwater management measures on this lot are attached.
❑ There are no required stormwater management measures on this lot. A stormwater management
agreement is in place for this lot.
(Provide plans and details for any stormwater management facilities or best management practices to he used on
this lot, or provide a signed copy of the agreement here.)
Pollution Prevention Plan.
(reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section A.4)
A. Sources of Pollutants. Common activities and minimum control and prevention practices
Pollutant, or Pollutant Location on site Prevention Practices,
Generating Activity Control Measures
Follow Erosion and Sediment Control
Clearing,grading,excavating,and un- Land disturbance area Plan. Dispose of clearing debris at
stabilized areas acceptable disposal sites.Seed and mulch,
or sod within 7 days of land clearing
Cover storm drain inlets and use drip pans
Paving operations Roads and driveways and absorbent/oil thy for all paving
machines to limit leaks and spills
Direct concrete wash water into a leak-
Concrete washout and Current location and detail shown on proof container or leak-proof settling basin
cement waste plan 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 and
Material delivery and storage Designated area shown on plan 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
areas and does not drain directly to a
Current designated container areas on waterway. Containers have lids covered
Solid waste disposal plan before periods of rain,or are in a covered
area. Scheduled collection to prevent
overfilling.MATERIALS NOT TO BE
BURIED ON-SITE
Convenient and well-maintained portable
Sanitary waste Current locations shown on plan sanitary facilities will be provided,and
located away from waterways or inlets.
Such facilities shall be regularly
Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Single Family Residential Albemarle County
Pollutant, or Pollutant Location on site Prevention Practices,
Generating Activity Control Measures
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
Wash Waters Wash areas shown on plan control as specified on plan.Minimize
the discharge of pollutants from
equipment and vehicle washing
Vehicle and equipment washing Designated areas and details shown on Provide containment and filtering for all
plan wash waters per the plan
Provide double walled tanks,a lined
Fueling Fueling station containment area,drip pans,and spill
prevention and cleanup materials.
(Provide any site specific
activities here.)
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.)
B. Non-stormwater discharges
Discharge Pollutants or Pollutant Location on Site
Constituents
C. Persons responsible for pollution prevention practices
(Provide the names and contact information for all persons responsible for prevention practices as listed above.)
Matt Dobson, Farm Manager,Woodlands Farm, LLC: Cell#423-433-9027
Charles Packard,Member,Woodlands Farm,LLC:Phone#434-977-8813
Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP) Single Family Residential Albemarle County
D. 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.
Most spills can be cleaned up following manufacturer specifications.Absorbent/oil dry,sealable containers,plastic bags,and
shovels/brooms are suggested minimum spill response items that should be available at this location.
1s1 Priority: Protect all people
2dd Priority: Protect equipment and property
3rd Priority: Protect the environment
1. Check for hazards(flammable material,noxious fumes,cause of spill)—if flammable liquid,turn off engines and nearby
electrical equipment. If serious hazards are present leave the area and call 911.LARGE SPILLS ARE LIKELY TO
PRESENT A HAZARD.
2. Make Sure the spill area is safe to enter and that it does not pose an immediate threat to health or safety of any person.
3. Stop the spill source.
4. Call co-workers and supervisor for assistance and to make them aware of the spill and potential dangers.
5. If possible,stop spill from entering drains(use absorbent or other material as necessary).
6. Stop spill from spreading(use absorbent or other material)
7. If spilled material has entered a storm sewer;contact locality's storm water department.
8. Clean up spilled material according to manufacturer specifications,for liquid spills use absorbent materials and do not flush
area with water.
9. Properly dispose of cleaning materials and used absorbent material according to manufacturer specifications.
Emergency Contacts:
Normal Working Hours DEQ Valley Regional Office 540-574-7800
Nights,Holidays&Weekends VA Dept.of Emergency Management 804-674-2400
Pollution Prevention Awareness
All site personnel and workers will be made aware of the prevention practices and measures contained in this
document.
Qualified personnel
The following personnel are responsible for inspections;
(Provide the name, telephone number, and qualifications of the qualified personnel conducting inspections.)
Clark Gathright, P.E. 434-971-8848
General permit copy
A copy of the construction general permit,9VAC25-880,will be attached to this document on the construction
site. The general permit can be found at
http://www.deq.virginia.gov/Programs/Water/StormwaterManagementNSMPPermits/ConstructionGeneralPermit.aspx
Inspection logs
Inspections will be conducted on-site, and recorded here, as required by the 9VAC25-880-70, Part II, section B
and F of the Construction General Permit.
Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP) Single Family Residential Albemarle County
Signed Certification
(Provide certification according to 9VAC25-870-370. For purposes of plan re\iew and approvals, this
certification should be the owner of the property, the same signature as appears on the bonds and
applications.)
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."
Owner/Operator Name: Charles Packard
Company: Woodlands Farm, LLC
Title: Manager
Signature:
Date: 1/21/2019
Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Single Family Residential Albemarle County
POLLUTANT PREVENTION MEASURES
INSPECTION REPORT
Woodlands Farm - WP0201800082
Inspection Date/Time _ Inspector Name
Inspecting Company Name Inspector Title
Reason for Inspection: ❑Regular Inspection ❑Pre-Rainfall Inspection
❑Re-Inspection ❑Post-Rainfall Inspection
Has a sediment discharge occurred since the last inspection? ❑Yes ❑No
Are the pollutant control measures in compliance with E&S regulations? ❑Yes ❑No
Check only one box for each item listed below:
(Check"N/A"only if the item does not apply to this project)
Item Description In Compliance at the Time of Inspection
SWPPP located on-site ❑Yes ❑No ❑N/A
(contains all E&S control updates)
Construction Entrances ❑Yes ❑No ❑N/A
Sediment Barriers ❑Yes ❑No ❑N/A
Storage/Disposal Areas ❑Yes ❑No ❑N/A
Sediment Traps ❑Yes ❑No ❑N/A
Check Dams ❑Yes ❑No ❑N/A
Inlet Protection ❑Yes ❑No ❑N/A
Tree Protection ❑Yes ❑No ❑N/A
Silt or Super Silt Fence ❑Yes ❑No ❑N/A
Diversion Dikes ❑Yes ❑No ❑N/A
Stockpile Stabilization 0 Yes ❑No ❑N/A
Temporary Stabilization of Denuded ❑Yes ❑No ,❑N/A
Areas
Is Temporary Stabilization Adequate ❑Yes ❑No ❑N/A
Permanent Stabilization of Denuded Areas ❑Yes ❑No ❑N/A
Is Permanent Stabilization Adequate ❑Yes ❑No ❑N/A
Turbidity Curtains ❑Yes ❑No ❑N/A
Public Roads Free of Dust and Debris ❑Yes ❑No ❑N/A
Removal of Accumulated Sediment ❑Yes ❑No ❑N/A
Discharge Points Free of Sediment ❑Yes ❑No ❑N/A
Deposits at Receiving Waters
Woodlands Farm- WP0201800082
Site Free of Trash/Litter ❑ Yes ❑ No 0 N/A
Site Free of Spills,Leaks or Other ❑ Yes ❑ No ❑N/A
Harmful Materials
Dumpsters Secured and Covered ❑ Yes ❑ No ❑N/A
Natural Resources Protected ❑Yes ❑ No 0 N/A
Temporary Fuel Tanks Secured and ❑Yes ❑ No 0 N/A
Contained
Wash Facilities Maintained ❑Yes 0 No ❑N/A _
Sanitary Facilities Maintained ❑ Yes ❑No 0 N/A
Dewatering Devices ❑ Yes ❑No 0 N/A
Removal of Pollutant Control Measures ❑Yes ❑No ❑N/A
Which Are No Longer Required
Repair of Defective,Damaged or Failing ❑ Yes ❑No ❑N/A
Pollutant Control Measures
VSMP Permit Letter and SWPPP ❑ Yes ❑No ❑N/A
Location Information Displayed
Other: ❑ Yes ❑ No ❑ N/A
❑ Yes ❑ No ❑N/A
❑ Yes ❑ No ❑N/A
Are additional sheets attached as a part of this Inspection Report? ❑ Yes ❑No
(Provide additional sheets as required for documentation)
CORRECTIVE ACTIONS TO BE TAKEN: ❑Yes ❑No
(Explain all Item Descriptions above checked "No", attach additional sheets as necessary)
Woodlands Farm- WPO201800082
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Woodlands Farm !,;.: Atf
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VSMP/WP0201800082 ��Ail •; ,'P ,
Erosion and Sediment Control Narrative For. 1191 tig; ,..is'C' _I Z
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Woodlands Forma Management Strategies Construction should be sequenced so that grading 16 Maintenance: All measures ore to be inspected weekly and otter each 400
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1110 Woodlands Rd ensures
N m Parcel 1 operations con begin and end as quickly he possible. Areas that are not to rainfall.Any damage a dogging to oned when
m is to t repay yp �t 1 ` - W
Nbemane County,VA be disturbed shall be steady marked by the placement of the erosion control immediately Silt traps are to be cleaned shell 50%of the wet storage volume `i so i- (n J
measures prior to construction The job superintendent shall be responsible for s filled with sediment All seeded areas ore to be reseeded when necessary to '"Mas,a+�rm ,Ask(re" Mq�� L J
the installation and maintenance of oil erosion and sediment measures achieve a goad stand of grass.Silt fence and diversion dykes which ore Fa / ���s ss
HUC:South Fork R-,vonna 020802040203 collecting sediment to half their height must be cleaned and repaired a Mao Ms' /, \ . .. (13 W >
Where construction vehicle access routes intersect paved public roods, immediately. ' ��"' p 4 (0 Z LLl
LAT- 38'06' S3'N LONG 78'32'231/ par(of sediment vehicular .�
provisions shall be made to m,nim,2e the trans by 17 All temporary erosion and sediment control measure a to be removed le
I ,,��o PProject Description:The proposed work involves the demolition of on existing tracking onto the paved surface. Where sediment is transported onto a public within 15 days of find site stabilization,when measures sore no longer needed, S� not,.' ��� % ypresidence and driveway and construction of o new residence,driveway and road surface.the rood shall be cleaned thoroughly at the end of each day !:r ::
t toapproval by the County erosion control inspector � �:Z'r `A I a.�'e = y� j
tation shllbe instlled on alldendd are. within none(9) � �� L ote thes O— O O
Erosion control measures shown will fed the stream and below grade is reached on any portion of the site Temporary soil stabilization shall DS r us : '.
pro property be applied within 7 days to denuded oreos which may not be at final grade oa
from receiving silt-laden runoff but will remain dormant(undisturbed)for longer than 14 days Permanent MS-1 Permanent or temporary sod stabilization must be applied to denuded r ,
stabilization shall be applied to areas that are to be left dormant for more areas within seven days after final grade is reached on any portion of the `,.
Existing Site Conditions. The project site area,s in an open posture and than one year site Temporary soil stabilization shall be applied within seven days to •
411164
wooded former house site and generally slopes to the northeast of 10 to 15%. denuded areas that may not be of final grade but will remain dormant ,,,.
The pre and post drainage patterns will be the some Soil stabilization refers to measures the protect soil from the erosive forces -
of raindrop impost and flowing water Applicable practices include vegetative (undisturbed) for longer than 15 days. Permanent stabilization shall be P.
establishment, mulching and the early application of grovel base on areas to applied to areas that ore to be left dormant for more than one year. Soil vH v�sr,"'
Adjacent Property The property is surrounded by other large acreage farms be paved Soil stabilization mea es should be selected to be appropriate for stabilization refers to measures which protect soil from the erosive forces of t II� �.Nos .Ss�`,� �1,TH OF
and wooded areas. the time of year,site conditions sand estimated duration of use raindrop impact and flowing water Applicable practices include vegetative 4'1V'' 7'j•'
establishment, mulching, and the early application of grovel base on areas to VICINITY MAP O Cif
Timing and Stabilization of Sediment Trapping Measures. be Soil stabih2otion measures should be Selected to be a ro note r
Off-site Areas: No off-site areas will be involved in this project. paved. pP D
Sediment barriers and traps,perimeter dikes,sediment barriers it 7.4
other for the time of year, Site conditions and estimated duration of use SCALE:1"=2000 FT.
measures intended to trap sediment shall be constructed as a firstt step in 10 9'CLARK GA'H 3Q1' _:
Soils. 36B-Hayesville loam,loamy,0.28 K-Factor,Group B soil any lond disturbing activity and shall be mode functional before upslope land }j
36C-H Ile loam,loom,028 K-Factor,GroupB soil disturbance takes place Stabilization measures shall be applied to earthen MS-2 During construction of the project, soil stockpiles and borrow areas shall //; :q /
° sv' y structures such as dams, dikes,and diversions immediately after installation be stabilized or protected with sediment trapping measures. The applicant is GENERAL EROSION AND SEDIMENT CONTROL NOTES (/teL
responsible for the temporary protection and permanent stabilization of all Ps.I-2q-)t�
Critical Erosion Areas There are no critical erosion areas in the project area Disposal of Temporary Measures. All temporary erosion and sediment control soil stockpiles on site os well as borrow areas and soil intentionally ES-1 UNLESS OTHERWISE INDICATED,ALL VEGETATIVE AND STRUCTURAL "ftS/OVAL 11''''
measures shall be removed within 30 days after final site stabilization or after transported from the project site EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND
the temporary measures are no longer needed,unless otherwise authorized by MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF
Sod Stockpiles A temporary sod stockpile will be utilized during the excavation the local program administrator MS_3 A ermanent ve etative cover shall be established on denuded areas not THE NRGINLA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA
to preserve topsoil for final grading around the house and driveway P q REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL
Trooped sediment and the disturbed sod areas resulting from the disposition of otherwise permanently stablized Permanent vegetation shall not be REGULATIONS
Erosion and Sediment Control Measures temporary measures shall be removed and replaced with audaby composted considered established ntd aground cover is achieved that, is uniform,
soils,or,where applicable, permanently stabilized to prevent further erosion and mature enough to survive and will inhibit erosion ES-2.THE PUN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK
Unless otherwise indicated,all vegetative one structural erosion and sediment sedimentation PRIOR TO THE PRE- CONSTRUCTION CONFERENCE,ONE WEEK PRIOR TO
control practices will be constructed and maintained according to minimum MS-4 Sediment basins and traps, perimeter dikes, sediment barriers and other THE COMMENCEMENT OF LAND DISTURBING ACTIVITY.AND ONE WEEK
standards and specifications of the
Virgins Erosion and Sediment Control Maintenance All erosion and sediment control structures and systems shall be measures intended to trap sediment shall be constructed as a first step in PRIOR TO THE FINAL INSPECTION
measures may
Handbook. Additional sures y be required during construcion by the Erosion Control Inspector.as needed mointamee,inspected,ond r e paved weekly and after each significant rainfall or any land-disturbing activity and shall be mode functional before upslope land
as needed to insure continued performance of their intended function Any disturbance takes place ES-3•ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE SITE DATA: LL
Structural Practices damage to structural measures shall be repaired immediately PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING
Silt fence shall be inspected after every rainfall event and at least dairy during 1i15-5 Stabilization measures shall be applied to earthen structures such os N >—
(bnmwctme F0000ce,cEl 3.02(To be installed where construction rite trafficexits the t prolonged rainfall, as well os at the end of every working day, with any ES-4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL OWNER DEVELOPER — F—
proles dams, dikes, flaps, basins and diversions immediately after installation PUN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES /
area,to remove sod from fir.prior to travel on public roods The contractor shall clean and necessary repoin made immediately.Accumulated sediment shall be removed WOODLANDS FARM,LLC CO Q
and disposed of as it becomes necessary,or when deposits has accumulated 1/10 WOODLANDS RD.
maintain the trarMwar air required.keep sadiron,washing trim unpmetted arero and m MS-6 Surface runoff from disturbed areas that is comprised of flow from ES-5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS
to one-half of the above ground fence height NI undercutting or erosion shall TM 44 PARCEL 1
pmvidrosafe surface J:,riseJrsrram and whim/or access The Construction Entrance will he be repaired immediately the contractor shall follow all manufacturers drainage areas greater than or equal to three acres shall be controlled by a OTHER THAN INDICATED ON THESE PLANS(INCLUDING. BUT NOT LIMITED ALBEMARLE COUNTY,VA O
located within the!sprint of the existing building to protect the adjacent paved travMmn recommendations for installation, maintenance, replacement,and repair sediment basin The sediment basin shall be designed and constructed to TO. OFF-SITE BORROW OR WASTE AREAS).THE CONTRACTOR SHA L
Once the budding,s erected.all.s/jaent areas wrilbestabilised and the construction entrance damages caused by construction traffic or other activity must be repaired accommodate the anticipated sediment loading from the land disturbing SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR LOCATION. O Q
will no longer benecessap.) before the end of each working day activity The outtall device or system design shall take into account the REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY 1110 WOODLANDS RD COAll seeded areas are to be checked to insure a good stood is mointaned total drainage ores flowing through the disturbed area to be served by the TM 44 PARCEL 1 K/ Z
Sib Fence(SF)3.05 Sill knee Ism-.ipp„nrd)dull be constructed along dr.lower brim of b sled sn:u. basin. ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ALBEMARLE COUNTY,VA(To ___Ibe installed as shown on the plan.down-gradient afdsturbul areas created by the proposed ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT
work and above the pnipnsedexcavation to preventupgraienr natal lrom cmcratgdisnvhed General construction notes for Erosion and Sediment Control clans MS-7 Cut and fill slopes shall be constructed in a manner that will minimize EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING MAGISTERIAL DISTRICT JACK JOUETT OCD O
areas 1 1 The plan approving authority must be notified one week prior to the erosion Slopes that ore found to be eroding excessively within one year of AUTHORITY PLAN PREPARED BY . N (V W/
m
pre-construction conference,one week prior to the commencement of land peranent stabilization shall be provided with additional slope stabilizing B.CLARK GATHRIGHf, P.E. CV
Rork(heck Dam(CD)3.20 Small oumorary unite dams catmewwd aria..,drainage dal reduce
to rede disturbing activity,and one week prior to the find inspection measures until the problem is corrected ES-7.ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT 100 10TH ST NE SUITE 200 CDQ Z
P CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES
the vcloci,r of concentrated flows..,tcny cru,xnt of die swats m duds. fronted to rise u,Snail ciao 2.All erosion and sediment control measures will be constructed and CHARLOTTESVILLE,VA 22902
channels winch damtoacir,orleanmi,,eOUld not be rued a,iriswrcsnr(Ti.be Installed alang,M waved maintained according to minimum standards ond specifications of the Virginia AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED > O
wales on enlrrnitk el the grading area to mhnmce',muff wekwm_l Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 MS-8 Concentrated runoff shall not flow down cut or fill slopes unless TM. 11 PARCEL 1
Erosion and Sediment Control Regulations. contained within On adequate temporary or permanent channel, flume, or ES-15: DURING DEWATERING OPERATIONS,WATER WILL BE PUMPED INTO TOTAL SITE AREA. 39.2 a) U
Lnnvcl Spread,(LS) 3.21 Au mulct lid Mire,aid(Inctra,iis.i,,,nsm,g of an exoSwcd depotsou 3 All erosion and sediment control meosures are to be placed prior to or as slope drain structure. AN APPROVED FILTERING DEVICE ZONING RA =
musoncted m zeso grade wows asG.pememm<n(mmcnum.l seduntu 4er!Ma lt,drew flow and the first step in clearing ES-9 THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL DATUM REFERENCE FOR ELEVATION NAVD88 I—
misuseauoo wens nfrmdistuLedwdwinch a uabdued by es,nu,g vretuuou tIn he installed udw end 4 A copy of the approved erosion and sediment control pion shall be MS-9 Whenever water seeps from o slope face, adequate drainage or other MEASURES PERIODICALLY AND AFTER EACH RUNOFF-PRODUCING RAINFALL > Z
Jaw roof-drools m,Arpemr rmwentruted„ung'r mointan to on the sole at ill times. protection shall De provided SOURCE OF TOPOGRAPHY
5 Prior to commencing land disturbing activities in areas other than indicated EVENT ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE ROGER W RAY&ASSOC,INC. - MAY 3, 2018 O W
Pennvrnt Scedot4(PSI 3.32}vldahmeui ofperwuslvvgmasnr cower byplanuysced where on these plans P during EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE iii......
but der fled on fwegadrd aeu,Prrmunrm sredm ll M1e (including,but not limited to,oU-site borrow or waste oreos), MS-be All storm sewer inlets that are made O eroble enconstruction shall IMMEDMTELY NEW RESIDENCE AND DRIVEWAY TO REPLACE Ir L
pem,awm. Akre game ewer n nee seeding the contractor shall submit a supplementary erosion control plan to the owner be protected so that sediment-laden water cannot enter the conveyance EXISTING RESIDENCE AND DRIVEWAY ape (E
provided on alldissibzd areas designated to be landscaped on the sure plan within 7 doss a{ for review and approval by the plan approving authority system without first being filtered or otherwise treated to remove sediment. THE RLD IS RESPONSIBLE FOR ONGOING MAINTENANCE AND OPERATION •V
final grading 6.The contractor is responsible for installation of any additional erosion control OF THE E&SC PLAN SETBACKS. FRONT.75 FT t 0
meosures necessary to prevent erosion and sedimentation as determined by the MS-11 Before newly constructed stormwater conveyance channels ore mode SIDE.25 FT LI. U W
hlulcluy(MU) 3.35Applivat,uu ofplam,ewtues to&embednufoes to'travail erowuu and reduce plan approving outhority. REAR 35 FT
operational, adequate outlet protection and any required temporary or FOR THE PURPOSES OF PLAN SUBMITTAL, REVIEW AND APPROVAL,THE I�A/� -� (/)
(kw A rred wetland Apply to all ed attar lido to Tabk3.35,A oo Shea C-33 finnlipkrauvu tart..(To 7 All disturbed oreos are to drain to approved sediment control measures at permanent channel lining shall be installed in both the conveyance channel RLD IS B CLARK GATHRIGIIT, PE V/ Cf
be installed ding s dr Permanent Seedigl all times during land disturbing octiwties and during site development until final and receiving channel DISTURBED AREA:39 ACRES 0
stabilization is achieved. EXISTING IMPERVIOUS SURFACE 050 ACRE
Dos Cwuol IDci 3.39 Rwlawny nvf a and an morvmem of dim dorms bud dsnvbvre,demohn n Et During dewotering operations,water will be pumped Into on approved filtering MS-12 through 15 - Not a heoble, nO live watercourses SEQUENCE OF CONSTRUCTION NEW IMPERVIOUS SURFACE.0 58 ACRES O�Z
allays.to dun problems m order to proton sod loss and mbar,dire device. 9 pD IMPERVIOUS SURFACE INCREASE 0.08 ACRES a) C F— Q
presence of pxn i ilk suhmr mbaaocns(To er rrsmhei/required be the Cmmrg where d'swbed 9 The contractor shallinspect all erosion control measures dicoll and 1 Install Construction Entrance and Phase 1 silt fence and check dam CU ` (0
perio y16-16 Underground utility lines shall be installed in accordance with the W
and is m remau„m•rorectdor an evedee oil, after each runoff where shown on the plan.
F / pen producing rainfall event.My necessity repairs a cleanup to WATER QUANTITY. LESS THAN le OF THE TOTAL (0
mointom the effectiveness of the erosion control devices shall be mode following standards n addition feet other a h mayle criteria W
o No more than 500 linear of trench may be opened at one 2 Excavate and Ode areas per the sequences shown, while WATERSHED(9VAC25-870-66 C-3-A) 0
Vegetation Practices TO All fill 9r phasing O O 1 O
Temporary Seeding 3 31 All areas disturbed by construction that will not be 10 All fill material to be token from on approved,designated borrow area. time. placing and compacting fill in the propose house site area. Utilize INCREASE IN SHEETFLOW VOLUME WILL NOT CAUSE >>
brought to final grade for a period of more than 14 days, will be stabilized Ti All waste materiels shall be taken to on approved waste area Earth fill b Excavated material shall be placed on the uphill side of trenches. excavated topsoil to cover the previously excavated phasing areaOR CONTRIBUTE TO EROSION, SEDIMENTATION,OR -
by establishing a good stand of grass. shall be inert materials only,free of roots,stumps,wood rubbish,and other c Effluent from dewotering operations shall be filtered or passed through on and provide permanent seeding measures to stabilize newly graded FLOODING OF DOWN GRADIENT(9VAC25-870-66 D) O • O LLI O
debris. approved sediment trapping device, or both, and discharged in a manner surfaces as the excavation phasing progresses up the hill 2 ,— J
Line 3.31 Unless it is known that the site will remain undisturbed for 12 Borrow,fill or waste activity involving i dustriol-type power equipment shall that does not adversely affect flowing streams or off-site property. WATER QUALITY.0.66 LBYR NUTRIENT CREDIT
n months,lime is not necessary. If necessary, be limited to the hours of 7 00am to 9-00pm accomplishedg 3 If the site will remain dormant for more Nan 15 days, provide F--
many the amount will be A. Reatabdaotion shall be in accordance with these re stations PURCHASE W
determined by Soil Test,or 3 tons per acre of pulverized agricultural 13.Borrow,fill or waste activity sholl be conducted In a safe manner than e. Applicable safety regulations shall be complied with temporary seeding measures to stabilize the surface
limestone, uniformly applied to surface to be seetlhe during seedbed maintains lateral support,or order to minimize any hazard to persons,physical 4 When DuiWing construction is complete,completely tliatribute the CRITICAL SLOPES. NO CRITICAL SLOPES IN THE
preparation and incorporated into the top 2-4 inches of soil damage to adjacent land one improvements,and damage to any public street MS-17 Where construction vehicle access routes intersect paved public roads, temporary topsoil stockpile as necessary to complete fool grading. PROJECT AREA. REVISIONS
Fertilizer 3.31. 600 pounds per acre of 10-20-10 or equivalent,uniformly because o slides,sinking, 01 21 19
or collapse. provisions shall be mode to minimize the transport of sediment by vehicular TIMING OF CONSTRUCTION SPRING 20/9
applied to the surface to be seeded during seedbed preparation and 14. Temporary stabilization shall be temporary seeding and mulching. Seeding is tracking onto the paved surface. Where sediment is transported onto a 5 Apply mulching and permanent seeding on all permanently stabilized
incorporated into the top 2-4 inches of soil to be at 75Ibs/acre,ond in the months of September to February to consist a public rood surface, the road shall be cleaned thoroughly every four hours. areas VIRGINIA OUTDOORS FOUNDATION EASEMENT
50/50 mix of Annual Ryegross and Cereal Winter Rye.or in March and April to Sediment shall be removed from the roods by shoveling or sweeping and D.B. 1775 P.56
Surface roughening 3.31 Where disturbed soils have been compacted consist of Annual Rye,or Moy through August to consist of German Millet transported to o sediment control disposal area Street washing shall be 6 Remove silt fence ond check dams after all disturbed areas ore
loosen soils by discing,raking,or whatever acceptable means available to Straw mulch is to be applied at 801bs/100sf allowed only after sediment is removed in this manner stabilized,with County Inspector approval
receive seed Alternatives are subject to approved by the erosion control inspector
15 Permanent stabilization shall be lime and fertilizer,permanent seeding,and 11S-11t All temporary erosion and sediment control measures shall be removed CITE
Seed 331 Seed shall be broadcast evenly and planted from 1X to 15inch mulch Agriculturol grade limestone shall be opplied at 901bs/1000sf, within 30 days after final site stabilization or after the temporary measures DRAWING INDEX
deep Seasonal seed selection shall be os follows incorporated into the top 4-6 inches of soil Fertilizer shall be applied at are no longer needed, unless otherwise authorized by the local program 10-31-18
10001bs/acre and consist of a 10-20-10 nutrient mix.Permanent seeding shall administrator. Trapped sediment and the disturbed soil areas resulting from
.Sept T — Feb 15- 50/50 Mix of Anneal Rye and Winter Rye,50-100 be applied at 1801bs/acre and consist of 95%Kentucky 31 or Toll Fescue and the disposition of temporary measures shall be permanently stabilized to 1 C-1.0 TITLE SHEET & EROSION AND SEDIMENT CONTROL NARRATIVE
Ili/oc. 0-5R Perennial Ryegrass or Kentucky Bluegrass.Straw mulch is to be prevent further erosion and sedimentation DRAWING NUMBER:
.Feb 16 -April 30 use Annual Rye.60-100 Ili/ac. applied at 80lbs/100sf Alternatives ore subject to approved by the County 2 C-1.1 EXISTING CONDITIONS & DEMOLITION PLAN
.May 1 -Aug 31 use German Millet.50 lb/ac erosion control inspector. M5-19 Drainage Area A discharges into the pond The increase in impervious area 3 C-1.2 EROSION AND SEDIMENT CONTROL PLAN
Areas which fad to establish vegetative cover adequate to prevent sal erosion is less than 1%of the total pond watershed or. (9VAC25-870-66 C-3-o). 4 C-1.3 EROSION AND SEDIMENT CONTROL DETAILS C-
1 •0
will be reseeded os soon os such areas are identified Drainage Area B is reduced in size Concentrated flows at the driveway ditch 5 C-1.4 STORMWATER MANAGEMENT PLAN
and roof drains are routed to level spreaders to create sheettlow condition
6 C-1.5 CALCULATIONS SHEET 1 OF 6
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T.M. 44 Parcel 1 ii-N
o o0 1110 Woodlands Rd. Charlottesville,VA 22901 0 100 10th St. NE Suite 200
EXISTING CONDITIONS & DEMOLITION PLAN "�F ��,� CHARLOTTESVILLE, VIRGINIA 22902
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LEVEL EADER#2-CAPACITY ICES .\ I LEVELS/PREADER R1-CAPACITY I CFS \ / DRAINAGE AREA 11105E Om INFLOW OBCFS - O
1 1\ 1 I I DRAINAGE AREA\25 AC O.o INFLOW 10 CFS - ` / / /,-.„,,,,
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WASHOUT OR APPROVED EOUAL I g 1C iI I��/ ��'�� �� VV I I �1►� \ 1 1 \ 11,/� / '�D 1/ �a,./�//
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/ LINE)YPE&SYMBOL LEGEND O V O
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�` / EXISTING CONTOUR UNE - - - -- CONSTRUCTION ENTRANCE 30 O
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/ PROPOSED CONTOUR UNE c �/
( PROPERTY BOUNDARYSILT FENCE 3.05 S F I"- Li
—� STREAM BUFFER- -
\ t• �� - 50R TYPE BOUNDARY - - -" — — REVISIONS.
C•D ROCK CHECK DAM 32O 01-21-19
UMR OF GRADING - -
SOIL TYPE XXX LEVEL SPREADER 321 LS
TEMPORARY SEEDING3.31 0
DATE
SWPPP NOTE PERMANENT SEEDING 3.32 P J DATE.10- 18
6EROSION & SEDIMENT CONTROL PLAN THE USE OF NOT ANTICPATEDEMICALS,SOL CHEMICALS/SOLVENTS
ND
POLYURETHANE FINISH MATERIALS WILL
SCALE 1"=40'-0' BE STORED INSIDE THE BUILDING MULCHING3.35 O DRAWING NUMBER:
DUST CONTROL 3.39 DC C 1 .2
SHEET 3 OF 6
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STONE CONSTRUCTION ENTRANCE
HP INK STONE TO'YM O
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SIDE ELEVATION h [ _:ATE SASE 0 Z_
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\E" 1/4:\BRAINAFX d—� ROCK CHECK DAM C7 Z w
CASE AGGREGATE ,, 100.w%i III ,x .ii Y vi H
•cos EYrCNO Fes,wx;il h ---TPo o OP1N 2 ACRES OR LESS OF DRAINAGE AREA lee
•MINT 5 AND[^.r�Ess Or :NSW ANO EGRESS Tn[,PTMG OevcE 11.1
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TRAwaN -
R TER FLDm SECTION A—A (DOIENSTRF U VIEW)
a-� FOOT Ell
_ SECTION A A COARSE AGGREGATE
A.• •�. • •^• I .NTH OF
l li •Y*�A' a memo a tap„t I al.h rot.t e smelled with w T sal ball.oc e[ 3.b I i w A Flo• ��1 �\� Gip
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�}� ���?� ..I a,B,wee9 phv v a w a.h bow with a diameter of T t h t adequate e
`'t,},1 } } ; y, - ,y o rant p ue Nash wale whit t camel ,h u Rrcenhance to al ,. � 'y
[ i• atm,ON Am tuI wvtsediment AR, Lunen shall be pia elute'h mu .-. .. -.. ... .. _ .. o a'jQ1 Atb(GAIHPoCNi 2..
REINFORCES CONCRETE BRAT,SPACE FEMME 401111 roam,.Tatcheo Cl WORE otu.e- 016�,E_No i,3a;.
SECTION B—B PAVED WASH RACK ���
S110E.100P1ED from 199S'laniard Standards for Sol erosion and War.lA Coned and Vs.DISC Plato L IT-I FAI'Z�-� ?SOURCE VA DSWC PLATE.5.20-1 �S �•�
es
[ONAL T'`�
ALT PAVED WASH RACK,IF REQUIRED BY COUNTY E&SC INSPECTOR
Th CONSTRUCTION ENTRANCE DETAILS ! 2'''.ROCK CHECK DAM
-1,3 SCALE:NONE ,1 1 3 SCALE.NONE
1992 3.32
N
- CO
CONSTRUCTION OF ASILT FENCE TABLE SEEDING
O
SITE SPECIFIC MIXTURES O J
WITH WIRE SUPPORT) SILT FENCE DROP INLET PROTECTION FORAPPAUCHIAN/MOUNTAIN AREA CDTotal Lbs. OD <
I SET POSTS AND r%CAVATE A eV.. a STAPLE WIRE FTNCNG TO THE PGSS Minimum Care lawn Per Acre I-
TRENCH UPSIOPE ALONG THE LINE 2 e I•NUM FRAM a�INLET O Q
or Pose ORATE -Commercial or Residential 200-250 lbs. CD T � ���r(� - - Kentucky 31 or Turf-Type Tall Fescue 90-100% N (V
��� d _���s• c :. raac • Improved Perennial Ryegrass•• 0-10% N J
-•• `�i�• Wawa'. a m IY` . GEC r - Kentucky Bluegrass 0.l0 o 0
i! ►-�t i ��i,l 1 §�r ., _11 II ky g a j
i "� %/ `41��.'\ 1IliI / \ 7, (����j High-Maintenance Lawn
/ - �� "' �1, � ` r 17N �_I 1 I I 1 I 1 1:,� Z
IIII j1���_; 4 II till �1/h� Minimum of three(3)up to five(5)varieties O
`71\y,`T of bluegrass from approved list for use in Virginia. 125 lbs. CO
- �_� = I I �,:¢isRs E a)
/ , /III 111,I - �� CORNI'Rs General Slope(3:1 or less'
WII i— O Z
Kentuck 31 Fescue 1281bs. CC m w FLOW III—'" PERSPECTIVE VIEWS - Red Top Grass 2lbs. L
- Seasonal Nurse Crop•• 20 Ito. Lim 0 _
3 ATTACH THE FILTER FABRIC TO THE WIRE H BACK,.AND CORRECT TIC OWE 150 lbs. . -
FENCE AND EXTEND IT II0 THE IHLNCH EYGVA'EO SOIL I I Low-Maintenance Slope(Steeper than 3:11 Cl)_I -CI
FABRLLI
IC �- - Kentucky 31 Fescue 108 LEVEL SPREADER C T— - N
q - Red Top Grass 2 lbs. — co C06
-- Im-imil ( - Seasonal Nurse Crop" 20 lbs. •V ` m
i / �I�IIw- '�� ' I �v9 s Ns" - Crownvetch•" 201as, m V Z
/� 'II I IImT p 'IIII-b 150 Ills. p O
/I WI -11III 1' v CROSS SECTION 0 v
'Perennial Ryegrass will germinate faster and at lower sod temperatures than (n
f� =1 '' f O , •
ELEVATION OF STAKE AND fescue,thereby providing cover and erosion resistance for seedbed. o Q O O
TE,OR IXCC'.SIOR
'lull— Pao. ,.--4.,---- - FABRIC ORIENTATION DETAIL A sR,OR IGIN. _
— -Use seasonal nurse crop in accordance with seeding dates as stated below ufko i o.AEE- VARIABLE INN :PI , R- eZ
w
�1 III—"- —I-",• I March,April though May 15th Annual Rye BORED R r E WI.
III May Ibth through August 15th .. Ftsxtail Millet I
8
N J -
EXTENSLON Or FABRIC AND wee w'To TIE TRENCH SPECIFIC APPLICATION August 16th through September,October . Annual Rye gel=I�11�0 Iw. I II1OII R Uau R T" �1'�IJIlIIL REVISIONS
THIS METHOD OF INLET PROTECTION IS APPUCABIE WHERE THE November through February Winter Rye I�1ryIfJL11 71 1���11 tTrrII I77rrI III II'i 11 t7ryry-- R�IIg' Rt„, I 01-21-19
nETER rasa[ INLET DRAINS A RELATIVELY FLAT AREA(SLOPE NO GREATER - pll�lT l"R T U IF:I=EFII II 0 l'
THAN 5%)WHERE THE INLET SHEET OR OVERLAND FLAWS(NOT "• If naves is used,increase l0 30 lbs.acre.All legume seed must be properly r or ylt,JL 0:1L lIK➢ IIII �IIK1�p O 1 1
EXCEEDING I C F S)ARE TYPICAL.THE METHOD SHALL NOT �• I gP°�h LSPRutta 11.11-II,rr JI I ii �11 II.-r➢1 �l.1:1
inoculated. Weeping Lovegrass may also be included in any slope or low• -re -o=Ed
I I HIRE APPLY TO INLETS RECEIVING CONCENTRATED FLOWS,SUCH AS maintenance mixture during warmer seeding nods;add 10 20lbs Rae in mixes. viiii
I IN STREET OR HIGHWAY MEDIANS g glk lbs/acre
SPREADER WITH VEGETATED LIP
SOURCE Adad from
lostaltalion of Bra.Sad Fabric Ftller-Ilarriers Ito SWdimelt control. HATE.].OS-I SOURCE N &sn c uauud aedio€a{.Coous .Mal kaixe.RaOUAL 188E PLATE 307-1 DATE.
e�IRaP
10-31-18
HI-302
3-'' SILT FENCE DETAILS !a ,TABLE 3.32-C (LEVEL SPREADER DETAIL DRAWING NUMBER
C-1.3 SCALE:NONE \C-1.3; C-1.*'
C-1 .3
SHEET 4 OF 6
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T DAB- 61 ACI
ammo owl.
T NET DECREASE OF 0 13 AC
NET INCREASE OF IMP AREA 007 AC 1
�, ` 0 68 AC DISTURBED AREA 1
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ROUTE ROOF DRAINS TO LEVEL SPREADERS I � J O V
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DMINAGE AREA 015 K Oro INFLOW'1.0 CFS W / —
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. 4„ �I DRAINAGE AREA 4 110 S F Om INFLOW 0.8 CFS O �/
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'���' `s\' /'� �, O B 0.ARN GATHRI(71T 3
LEVEL S2RFADFR t3-CAPACITY 6CFS .. / \ 0 Lc��y� •3.j�
` DRAINAGE AREA 2.4805 F Oro INFLOW 0.36 CFS r� DA A-36 K
Ay `y NET INCREASE OF IMP AREA. G 7�/
7....._ yr
N`3E 4T IKREASE OF DISTURBED ARE 0 Ol K /O-1 `�.
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SWM NOTF5 ✓ REVISIONS
1 CONCENTRATED FLOWS AT THE ORNEWAY DITCH 01-21-19
AND ROOF DRAINS ARE ROUTED TO LEVEL /� I
SPREADERS TO CREATE SHEETFLOW CONDITION / I
‘14:111111111111.
2 DA A- 36 AC NET INCREASE OF 0 13 AC L
NET INCREASE OF IMP AREA.001 AC
314 AC DISTURBED AREA
3 DA B- 61 AC NET DECREASE OF 013 AC //�� DATE
-______.-7-5_---_
NET INCREASE OF IMP AREA.007 AC A.` i /1 ` / \
088 AC DISTURBED AREA 10-31-18
MANAGEMENT PLAN SOURCE:COUNTY GIS DRAWING NUMBER
,STORMWATER
SCALE. 1"=100'43"
C-1 .4
L I I I 1
SHEET 5 OF 6
a
r I I I -1
_____
DEQ Virginia Runoff Reduction Method Re-Development Compliance Spreadsheet-Version 3.0 --
02011 BMP Standards and o.%lA';• 'BMP Standards and Sp ifications
Praleo Name: Woodlands LLC _ date"Pot r
_ 10 _-._. _ --_._.___..
Date: 10121/ la comtaM.awe. -
Linear Development Project? No calculation veils CsJ
'Site Information I _ CV
U a
(Post-Development Project(Treatment Volume and Loads) J Z
o (D
Enter Total Disturbed Area(acres) -j 3 90 I I Check: - O Ce
f 9MP Design Specifications List 2013 Draft Stds q,Specs N
Maximum reduction required:1 20% Linear project? No
The site's net increase in impervious rover(acres)is:1 0.08 Land cover areas entered correctly? ✓ -CY) - LL
post-Development TP Load Reduction for Site(Ib/yr):1 0.66 Total disturbed area entered? ✓
L N J
Pre-ReDevelopment Land Cover(acres) cts W N
A Soils T 9 Soils C Soils 0 Soils tam 0 Z 1.1J
eoest/0 nseer hares).-undstvrbec
,tores0ooen Spa 0.00 0.00 Y
1MMaaged rat Mom)-disbdaed.grwled ffoi_-.
linrds w other turf to bentwed/narava 3.40 - 3a _ +L- .Jv
impervious caaerl+wal 0.50 rl 0.50 ! 1 ,- e�
310 . 2
- o 0
Pint-CeMopment Lad anger(am)
A Sails 8 Sails 1, C Soils 0 Soils roc.
T.mVnpea Sous(am) urdm ee
i stetted forest/ovenin ooan space
usrelom.ad land 0.00 I 0.00
'',Managed Tat(aces)--disturbed,graded for
'iyaM p other turf mite mowed/manald 3.32 I 3.32 I
ln%ervbus Carer).aril 0.58 0.5a
Area Check 0K OIL OK 01L 3.90
,o
:Constants Rtenon Coeffkiertts lRv) �
'Annuelaalnlell lirlcnes) 43 A501k II Sells esolk 0sees -..
Tart Raiddl Evert(Inched 100 roan n.roan/Open Spa 0.02 0.03 0.04 0.05 I O B LLNeI GATHRISIT
!Ton:Phosplwus 110I EMC(n%A) 0.26 mana:ea turf 0.15 0 20 0.22 0.25 Lr Llc N,JO - r
Taal Nnrgen(TNJ EMC(nrg/0 186 Impervious Cover 0.95 0.95 0.95 0.95
,�je
ITarge[1P lad(Ib/xre/y0 0Al
Pl lurtdest corm-don taaor) -o 90-- �k.,i`21-N ?
/ONAL E'tK'V
LAND COVER SUMMARY--PRE-REDEVELOPMENT LAND COVER SUMMARY--POST DEVELOPMENT
Lard Cover Summary-Pre Land Cater Suompryiast gins) land Cover summary-Pon --_-- land covet 50mmory-Pont
-PreA e.% nt tpevelopment listed Mooted' Past Rene New lowenrOn - Post-Re0eveloyme Post-oeveb Nev.w pnert Ne Impervious
ro•eo/ne an en Sp Cover(wed 0.00 0.00 whet/Open space 0.00 reiVOpm Saxe ODD
F Cater lMresl fd.Y4,1,4ff 51
Werdrnd atbrest) 0.00 0D0 Weighted Pvjtwest) 0.00 We:gined Peiiwestl 0.00
%Forest 0% 0% %forest ......0% ii %Forest 0%
Managed Turf Cover Managed Turf Cover
Managed Turf Cove lams, 3.40 332 3.32
lanes) 3.32 (acres)
wergnted Rvlturq 0.20 0.20 we:gxeo Iv(surei _ 030 %a%mea Rv Poll 0.20
%Managed Turf __-87%-_-_-87%-.- J age 87%
x managed run 85% _-_ %Man .Tun
CO
Impervious cover(acres) 0.50 0,50 mro,00u wet 0.58 00055Cover lea (acres;
es)
050 crew impervious cow. 008
x Q
RNinpe•vioos) 0.95 095 Rvumpervassl 0.95 evlim moo.5 0.95 ur worn) 035
%brperviuus 13% 13% %Impervious 15% s 13% CD
Tad NW Ara love.) ISO 3.Q Final Site Nee leaml 3,90 Taal Re
see Area 332
laners) COV V
'MIN 030 030 Rhin Pad Orate%Iv 031 RHD.v Ste av 030 r V
i C,
Treatment Volume and Nutrient Load Treatment Volume and Nutrient Load A. CM
Ran. m Develolime
pent •
ore 0.newlap two-heatmnt volume Oevelelummt
0.0963 0.0919 Treatment Ydu*skew0 treatment r ment olumem 0.0919 Treatment vo 0.0063 0 QN
lanitl - lwe.hl lacre.h)
a
R Pat_ -
Reel M%N-ReDewlopmmt PmtDevebpment
Pre-Re0evelepmem treatment Volume oaabpenem
4,193 1,135 1.110 Treatment volume 4,135 T•eatmem Volume(NOP 276 5 Pubis Ieat) Treatment Volume
Ne
lad ) (cubic foe) het) a)--- Final Post- 1-Redevelopment
Pre-ReOevelopment TR Lord Pusl-Development TP
(a/nl L63 2.60 Development YR load 2.77 load CM) 2.50 0.17 w�
pia/Yet 1�_ Pb/y.)- luaaub7yd CO
Dew�Pm' LL v
Pie P.De.e'p/are/yrl pp acre
0M as •..1e WI iRx`Load*acre 040 ,/` 13 N
tlm/xm/nl IWave/y.) Y�
Ce Z
aaahre TP load llb/wi Na neduroen. lied
l0as au/peke applied re Pnosewmcmeot epee anodee never, 157 (Below Pre Late
_ I rot es.ma 1.......0....Sr..) Mot to.:
--- as o N Q
il'Aqusted load Cove Saw 'FP
Required a f Reduction TP toed Reduction fir/ a 0 J
Pre ReDewldprrrem ;n lond row, pervbas boa roves gwesl,'dprn spa.x r052 Required tat New 0.14
',mom /hrrflocreope prism's.for new impervious cover Redeveloped Area 0 O I�,
CID/Yrl Impervious Ana(Ib/Yr) Nrr 4. �/
Aelualre .edoe�r-onuurn,ann Postar�rwlepmrrt Prime,lm(mines --.
C.)0rrea9e of rmpervbn Q Mawr) `-_.- _.. --
Column shows load rrdwrion regutiement 1pne.,mpen,ous cover moue.: ~ U
drvarc0unenr loud limn.041 lots/ncreHetV.
REVISIONS'
Post-Development Requirement for Site Area
01-21-19
TP load Reduction Required(lb/yr) 0.66'
1 Nitrogen loads(Informational Purposes Only) DATE.
-- ----
Final Ron-0neloaneni Tel Leal
Pre-R.Daveloprrem TN Load(a/m) MP (Post.Re0 ry eeeldnart 8 Rea 1982 10-31-1 a
Immrviwn)ilia/yil
i DRAWING NUMBER
*-LOAD REDUCTION MET BY 0 66 LB/YR NUTRIENT CREDIT PURCHASE C_1 .5
L I I I _ISHEET 6 OF 6