SW6130203_Plansheet - Proposed Conditions/Site Plan_20240423

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/ EXISTINGISWALE TO BE
/ / REMOVED. ADJUST GRADE TO / / / DIVERSION SWALE V I�
/ DRAIN TO NEW�SWALE / / — — DRAINAGE AREA: U
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EASEMENT
CONSTRUCT PERMANENT DIVERSION SWALE: (� -�
Q10: 17.85 CFS I U
DEPTH: 12" RIP RAP-OUTLET APRON 02 / / / / W U
/ V / 9'WIDE AT-OUTLET / �J-
/ BOTTOM WIDTH:5' _ — —43� / / L �l
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SIDE SLOPES:3:1 — — 203'WIDE AT TERM I US
/ V AVERAGE LONG.SLOPE"1.3/"
VELOCITY:2.30 FT/S USE 18"THICK CLASS B
\ ON MIRIFI FILTER FABRIC
IP RAP / _ - m 1
\ / SHEAR STRESS:0.794 PSF �Or�OF RIP RAP TO MATCH / /
SEED WITH CONTRACTOR'S BLEND /
06* EXISTING GRADE. /AND LINE WITH NAG P500 OR EQUIVALENT MATTING � � , I
OR INSTALL TIFTUF SOD ALONG ENTIRE SWALE
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anti I I EXISTING INFILTRATION BASIN � /
PIN: 9586-77-4522 —
/ NCE NEW
BASBN SE COONSTRUVED OCTED,CERTIFIED / DB 1145/347, PB 2013/96
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AND RECEIVES FINAL STATE APPROVAL
60'PUBLIC RIGHT OF WAY E- a�
�I FROM NCDEQSTORMWATER PERMITTING 137,740 S.F.
' � 3.16 ACRES +/- INFILTRATION BASIN PROJECT
— — (PB 2013,PG 96) / /
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PROPOSED STORM WATER INFILTRATION BASIN / / z
/ ENTIRE BASIN, FOREBAY,AND EMERGENCY /
OVERFLOW SHALL BE STABILIZED WITH / / / �/1
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DEVELOPMENT
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INFILTRATION BASIN NSTRUCT SILT
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GRADE APRON TO 42,135 FROM /
BUFFALO LAKE ROAD PIPE OUTLET TO THE TER /
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SYM.: REVISION DESCRIPTION: DATE: C2 . 0
1 REDUCED BASIN SIZE PER NCDEQ4/10/24 COMMENTS 4/22/24 CIVIL