SW4220901_Plansheet - Grading/Drainage Plan_20220921

PROVIDE CAST IRON BOOT
TRANSITION FOR ALL DOWNSPOUT
CONNECTIONS TO ROOF LEADERS
ALL DOWNSPOUT AND ROOF DRAINAGE PIPING
SHALL BE SCH 40 PVC FROM DOWNSPOUT TO
STORM DRAINAGE STRUCTURE. UTILIZE TEES,
BENDS, WYES, ETC. AS REQUIRED FOR TIE-INS
AND ROUTING. PROVIDE CLEANOUTS IN
ACCORDANCE WITH NORTH CAROLINA PLUMBING
CODE. REFER TO ARCHITECTURAL/PLUMBING
PLANS FOR EXACT LOCATIONS OF DOWNSPOUTS
AND ROOF LEADERS.
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POND OUTLET STRUCTURE
TOP: 757.80
INV OUT: 753.80 (24")
I
FES #600
INV OUT: 753.00 (24")
KEY NOTES
OA NEW BRICK OR CONCRETE CATCH BASIN. NCDOT
STANDARD 840.01 OR 840.02.
OB NEW BRICK OR CONCRETE CATCH BASIN BUILT OVER
EXISTING LINE. NCDOT STANDARD 840.01 OR 840.02.
CONTRACTOR SHALL ADJUST GRATE AND FRAME TO
ALIGN WITH NEW CURB LINE.
OC NEW CONCRETE 4 SIDED OPEN THROAT CATCH BASIN.
NCDOT STANDARD 840.04 WITH NCDOT 840.54.
OD NEW CONCRETE FLARED END SECTION. NCDOT
STANDARD 310.01.
OE NEW NYLOPLAST 15" DRAIN BASIN (OR EQUIVALENT) WITH
15" STANDARD H-20 RATED DUCTILE IRON GRATE.
CONTRACTOR MAY UTILIZE STANDARD DRAIN BASIN WITH
"ADD -A -BRANCH" AS REQUIRED.
OF NEW CONCRETE DROP INLET. NCDOT STANDARD 840.14.
YI #501
TOP:785.00 \ ��
INV IN: 778.17 (24") �''�•�
INV OUT: 778.17 (24")
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117.95' 24" RCP @ 0.90%.�
\ 125.00' 24" RCP @ 0.90%�
115.25' 24" RCP @ 1.02%YI #502
FES #500
INV OUT: 777.00 (24") TOP: 785.50
PROPERTY INFORMATION:
PARCEL ID NUMBER: 6726-01-35-5385
ZONING: RA-3
ACREAGE: 30.00
PROPERTY OWNER/DEVELOPER:
DCA LEXINGTON PROPERTIES, LLC
500 BIESECKER ROAD
LEXINGTON, NC 27295
PHONE:
CONTACT:
email:
ENGINEER:
ALLIED DESIGN, INC.
4720 KESTER MILL ROAD
WINSTON-SALEM, N.C. 27103
PHONE: [phone]
CONTACT: STEVE M. CAUSEY, PE
email: [e-mail]
VICINITY MAP
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INV IN: 782.20 (18") z W Q
INV OUT: 782.20 (18") '��Q Q p
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INV OUT: 784.48 (18") W W O
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INV IN (24")=783.85' o
1C.F3 #401 INV 0UT=783.90'
DB #410
E TOP: 787.35
INV OUT: 784.25 (12")
CB
OLL FLOW=791.96'
\ INV OUT=784.95'
75.14' 12" RCP @ 0.87%
64.09' 24" RCP @ 1.25%J `\ -
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CB #404\
CB #4011 7
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72.24' 15" RCP @ 3.46%
69.85' 18" RCP @ 1.43%
TOP: 786.70 S
TOP: 786.30
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FES #200
INV IN: 776.90 (15")
INV OUT: 782.30 (15")
YI #201
INV OUT: 757.00 (15") TOP: 762.60
CB #403
INV IN: 782.05 (15")
INV OUT: 759.50 (15")
TOP: 785.50
INV IN: 782.05 (15")
INV OUT: 776.65 (18")
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FO
INV IN: 775.40 (18")
INV OUT: 775.20 O
21.49' 15" RCP @ 1.16%
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21.49 15 RCP @ 1.16 /o � u-
(18")
123.05' 18" RCP @ 1.02%
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CB #405
TOP: 786.70
FES #100
FES #101
170.97' 15" RCP @ 1.02%
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INV IN: 782.05 (15") LL
INV OUT: 783.30 (15") INV OUT:
784.10 (15")
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INV OUT: 778.65 (15' LL
YI #408
64.17' 15" RCP @ 1.40%
80.00' 15" RCP @ 1.00%
TOP: 786.05
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INV OUT: 782.95 (15")
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15" RCP
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INV=796.1 T INV=796.51'
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EX. GAS LINE (ASSUMED LOCATION)
50 0 25
BIESECKER ROAD
SR #1408
GRAPHIC SCALE
50 100
( IN FEET )
1 inch = 50 ft.
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SITE
STORM
DRAINAGE
PLAN
SHEET
200
SWM 3