HomeMy WebLinkAboutSW3220302_Plansheet - Proposed Drainage Area_20220308-- \
-- -- FUTURE MANUFACTURING
BUILDING 12,000 SF
\ - 4.775 AC +-
DB 2990-6 4
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\ - 86
857
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\ _ 8 a55
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855 854 853 852
DA TOBMP
2.746 AC
\ \ 1 19, 602 SF
DRAINAGE AREA TO BMP ` IMPERVIOUS TO BMP
\ 1.626 AC
CROWN ATLANTIC CO. \ \\ 70,813 S F
DB 1 1 13-540 �\
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UNDERGROUND POWER 11
WATERSHED LINE
WS-IV CRITICAL GAS LINE CABLE LINE _ -------
LAKE NORMAN LUTHERAN CH. SEWER UMP
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DB 555-731 I
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EX. STORM MANHOLE
RIM: 846.5
INV IN: 839.5
INV OUT: 839.4
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847
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EX. STORM STRUCTUI
RIM: 84�
INV IN & OUT: 83E
EX. 15" RCP PIPE
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OMMERCIAL BUILDING 1111
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EX. BUILDING = Z I
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�L PROP. BYPASSED DRAINAGE AREA = 0.568 AC (24,760 SF) 467
\ E PROP. IMPERVIOUS BYPASSED = 0.508 AC (22,148 SF) REA
�c� ® PROP. NON -IMPERVIOUS BYPASSED = 0.060 AC (2,612 SF) 15' S TBACK
- ---� INLET (TO BE CONVERT TO O CURB T AFTER PH EC)
C - GRATE: 843.4'
INV: 841.1'
CURB INLET (TO BE CONVERTED DRAINAGE AREA
TO JUNCTION BOX AFTER PH1 EC) TO BYPASS BMP
GRATE: 844.2'
INV IN & OUT: 840.8'
60' RIGHT OF WAY
PER DEED BOOK 787-339
(30' EACH SIDE OF BOUNDARY)
:TAL BUILDING
TO REMAIN
(DA TO BMP + DA OF
BYPASS)
THE INVESTMENT CO.
DB 2224-807
PB 15-417
IMPERVIOUS SUMMARY
ITEM
SQUARE
FOOT
ACRES
PERCENTAGE OF
TOTAL SITE
TOTAL SITE AREA
195,759 SF
4.494 AC
N/A
EXISTING BUA
50,545 SF
1.16 AC
25.82 %
EXISTING BUA TO BE REMOVED
16,572 SF
0.38 AC
8.47 %
EXISTING BUA TO REMAIN
33,973 SF
0.78 AC
17.35 %
PROPOSED BUA
70,025 SF
1.61 AC
35.77 %
TOTAL NEW IMPERVIOUS
103,998 SF
2.39 AC
53.13 %
IMPERVIOUS NET CHANGE
53,453 SF
1.23 AC
27.31 %
TOTAL PERVIOUS
91,761 SF
2.11 AC
46.87 %
-- 15" RC
EX. WATER
INVERT
METER
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IMPERVIOUS SUMMARY - BMP
ITEM
SQUARE FOOT
ACRES
TOTAL SITE AREA
195,759 SF
4.49 AC
DRAINAGE AREA
119,602 SF
2.75 AC
TOTAL BUA TO BMP
70,813 SF
1.63 AC
ITEM
PERCENTAGE
BUA % OF SITE AREA
36.17 %
BUA % OF DA
59.21 %
1. CONTRACTOR IS FULLY RESPONSIBLE FOR CONTACTING APPROPRIATE
PARTIES AND ASSURING THAT EXISTING UTILITIES ARE LOCATED PRIOR TO
BEGINNING CONSTRUCTION.
2. CONTRACTOR IS RESPONSIBLE FOR PLACING BARRICADES USING
FLAGMEN, ETC., AS NECESSARY TO INSURE SAFETY TO THE PUBLIC.
3. ALL PAVEMENT CUTS, CONCRETE OR ASPHALT, ARE TO BE REPLACED
ACCORDING TO STANDARDS OF THE DEPARTMENT OF TRANSPORTATION.
4. SHORING WILL BE ACCORDING TO OSHA TRENCHING STANDARDS PART
1926 SUBPART P, OR AS AMENDED.
Know what's below.
Call before you dig.
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REVISIONS:
POST -DEVELOPMENT DA.DWG
PROJECT NUMBER: 221011
DATE: 2/4/2022 DRAWN BY: KIW
EXO1 12
SHEET OF
POST -DEVELOPMENT DA.DWG - PLOT: Kennedy - THU. 2-24-2022 10:51 AM