SW6210502_Plansheet - Proposed Drainage Area_20210803

60
GRAPHIC SCALE
30 60 120
( IN FEET )
1 inch = 60 ft.
240
BY REBAR UNLESS OTHERWISE NOTED.
IMPERVIOUS AREA BREAKDOWN
CULVERT
da=491,035sf 11.27AC
Existing Roadway (Offsite):14,000 sf
Existing Buildin g(Offsite):6000 sf
Existing Driveway (Offsite): 4200 sf
Existing Misc. (Offsite): 2000 sf
Assumed Lot Allowance (Off site): 12,500 sf
Assumed Lot Allowance (Phase 1): 9680 sf
Assumed Lot Allowance (Phase 2): 9000 sf
Total Impervious: 57,380 sf
Pipe End 1
da=52,587 sf 1.20 AC
Existing Roadway (Phase 1): 2500 sf
Proposed Roadway (Phase 2): 4156 sf
Driveway (Phase 1): 2700 sf (assumed 45'*20'*3 lots)
Driveway (Phase 2):2700 (assumed 45'*20'*3 lots)
Total Impervious: 12,056 sf
Pipe End 3 (Outlet Swale 8)
da=35,598 sf 0.82 AC
Existing Roadway (Phase 1): 5392 sf
Proposed Roadway (Phase 2): 418B sf
Assumed Lot Allowance (Phase 1): 4840 sf
Driveway (Phase 1):900 sf (assumed 45'*20'*1 lots)
Driveway (Phase 2):900 (assumed 45'*20'*1 lots)
Total Impervious: 16,220 sf
Swale-1
da=32,726 sf 0.75 AC
Proposed Roadway (Phase 2): 1781 sf
Existing Roadway (Phase 1): 5392 sf
Exist Lot (Phase 1):4840
Total Impervious: 12,103 sf
Swale-2
da=6097 sf 0.14 AC
Proposed Roadway (Phase 2): 2406 sf
Total Impervious: 2406 sf
Swale-3
da=9103 sf 0.21 AC
Proposed Roadway (Phase 2): 2826 sf
Driveway (Phase 2):1800 (assumed 45'*20'*2 lots)
Total Impervious: 4626 sf
Swale-4
da=22,919 sf 0.53 AC
Proposed Roadway (Phase 2): 2499 sf
Existing Roadway (Phase 1): 1544 sf
Driveway (Phase 2):1800 (assumed 45'*20'*2 lots)
Total Impervious: 5843 sf
Swale-5
da=29,668 sf 0.68 AC
Proposed Roadway (Phase 2): 2602 sf
Driveway (Phase 2):2700 (assumed 45'*20'*3 lots)
Assumed Lot Allowance (Phase 2): 4500 sf (1full lot©4500 sf)
Total Impervious: 9802 sf
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Swale-6
da=43,552 sf 1.00 AC \�
Proposed Roadway (Phase 2): 6639 sf \ \ \
Assumed Lot Allowance (Phase 2): 9000 sf (2@4500 sf) \\
Driveway (Phase 2): 3600 (assumed 45'*20'*4 lots)
Total Impervious: 19,239 sf \
Outlet Swale 7 \
da=52,655 sf 1.21 AC �\
Proposed Roadway (Phase 2): 9465 sf
Assumed Lot Allowance (Phase 2): 9000 sf (2©4500 sf)
Driveway (Phase 2):4500 (assumed 45'*20'*5 lots)
Total Impervious: 22,965 sf
Outlet Swale-8
da=91,410 sf 2.10 AC
Proposed Roadway (Phase 2): 9288 sf
Existing Roadway (Phase 1): 6936 sf
Driveway (Phase 2):4500 (assumed 45'*20'*5 lots)
Exist Lot (Phase 1): 4840 sf
Assumed Lot Allowance (Phase 2): 9000 sf (2full lot@4500 sf)
Total Impervious: 30,109 sf
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(APPROXI1,lATE LOCATION)
what'sKnow below.
Call before you dig.
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Owner:
BS'NTJ L1AND
T
LL
CONTACT:
409 CHICAGO DRIVE
FAYETTEVII.LE, NC 28306
910-779-0019
Project:
DAMES FARM
SUBDIVISION
PHASE 2
taX id : 494830101001
49483010002
_
township: McI,AUCHLIN
county:HOKE
—
state: NC
DRAINAGE
AREAS MAP
CONSTRUCTION
DOCUMENTS
job no.: P17-035
date: 04/22/2021
drawn by: LKA/JAN
survey by: LKA
checked by: JAN
sheet no.:
C-04A