SW6190504_014_C7.3_Details_7/22/2019

WASHED BERMUDA SOD
SIDES AND BOTTOM OF
INFILTRATION BASIN. SOD
SHOULD BE GROWN IN
SANDY SOILS.
CURB CUT AND FLUME
ELEV. = 248.62
SECTION A -A
EROSION CONTROL BLANKET
ON SPILLWAY BIONETSC15OBN
EXTENDED —TERM
BIODEGRADABLE DOUBLE —NET
STRAW/COCONUT BLANKET
STORM ELEVATIONS: TOP OF DAM —
1—YR: 247.77 ELEV. = 249.50
2—YR: 247.85
10—YR: 247.93 ROOF DRAIN LEADER
100—YR: 248.07 OUTLET: ±248.50
1" DESIGN STORM: 248.06
J11VV I L4J J
I=1 I I=1 11I
SCALE 1" = 5' (V)
SCALE 1" = 10' (H)
WASHED BERMUDA SOD
SIDES AND BOTTOM OF
INFILTRATION BASIN. SOD
SHOULD BE GROWN IN
SANDY SOILS.
15 FT WIDE SPILL WAY
ELEVATION = 248,50
EROSION CONTROL BLANKET
ON SPILLWAY BIONET SC15OBN
EXTENDED —TERM
BIODEGRADABLE DOUBLE —NET
STRAW/COCONUT BLANKET
RIP —RAP OUTLET 1
18'W X 91 X 18"D
CLASS B
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248.0
d
INFILTRATION BASIN 1
PLAN SCALE 1" = 20'
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WASHED BERMUDA SOD ...... —
SIDES AND BOTTOM OF —
INFILTRATION BASIN. SOD
SHOULD BE GROWN IN I SIDE SLOPE — 3:1 MAX.
SANDY SOILS.
— —_ SHWT:_
EXISTING SOIL
—III—
'TURN' IN —SITU SOIL TO
REDUCE COMPACTION
TEST INFILTRATION BEFORE
AND AFTER INSTALLATION OF
SOD. MINIMUM INFILTRATION
2.0 IN/HR.
TYPICAL INFILTRATION BASIN (ABOVE SURFACE STORAGE)
SECTION
NTS
RIP —RAP OUTLET 5
2'W X 61 X 30"D — CLASS B
RIP —RAP OUTLET 2
18'W X 91 X 18"D —
CLASS B
RIP —RAP OUTLET ROOF DRAIN
2'W X 61 X 18"D — CLASS B
(TYP. ALL ROOF DRAIN
OUTLETS)
RIP —RAP OUTLET 3
18'W X 91 X 18"D —
CLASS B
15" RCP OVERFLOW PIPE
APPROVED FOR
CONSTRUCTION
THESE PLANS WERE USED FOR PERMITTING AND DO NOT REFLECT
CHANGE ORDERS OR MODIFICATIONS MADE DURING CONSTRUCTION.
WASHED BERMUDA SOD
SIDES AND BOTTOM OF
INFILTRATION BASIN. SOD
SHOULD BE GROWN IN
SANDY SOILS.
STORM ELEVATIC"
1 —YR: 247.29
2—YR: 247,37
10—YR: 247.47
100—YR: 247.6:
1 " DESIGN STOP
BORINGS IN THIS LOCATION,
WHICH WENT TO 5 FEET, DID
NOT SHOW SIGNS OF A SHWT
FLARED END
SECTION
CURB AND
GUTTER
15" RCP
OVERFLOW
PIPE
SECTION B-B SCALE 1" = 5' (V)
SCALE 1" = 10' (H)
CALL BEFORE YOU DIG!
NORTH CAROLINA LAW REQUIRES NOTIFICATION OF
THE UNDERGROUND FACILITY OWNER NOT LESS
THAN TWO (2) BUT NO MORE THAN TEN (10)
WORKING DAYS PRIOR TO EXCAVATION OR
DEMOLITION
4RTH CARO N
www.nc811.org811
1-800-632-4949
North Carolina One -Call Center, Inc.
,11 10 20 40 .1
REVISIONS
No.
DATE
DESCRIPTION
REV. BY
Q
9 JULY 1 cl
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