20221724 Ver 1_C204 Wetland Underdrains DIGSIG 2-16-23_20230216

-SB
-WB
LC LC
1000 -
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LEGEND
LC
[1
»SD»('
»SD»a:C.".]
»SD»»SD»
SS
SS
GAS
GAS
UGT
FO FO
FOC
-UGP
UGP
OHP
OHP
PROPERTY LINE
ADJOINER PROPERTY LINE
EASEMENT LINE
STREAM BANK
WETLAND BUFFER
LIMITS OF CONSTRUCTION/DISTURBANCE
EXISTING CONTOUR
PROPOSED CONTOUR
WATER MANHOLE
DRAINAGE MANHOLE (EXISTING)
DRAINAGE MANHOLE (PROPOSED)
CATCH BASIN (EXISTING)
CATCH BASIN (PROPOSED)
HEADWALL (PROPOSED)
FLARED END PIPE (PROPOSED)
STORM DRAINAGE PIPE (EXISTING)
STORM DRAINAGE PIPE (PROPOSED)
SANITARY SEWER LINE (EXISTING)
SANITARY SEWER LINE (PROPOSED)
SANITARY SEWER MANHOLE (EXISTING)
SANITARY SEWER MANHOLE (PROPOSED)
WATER LINE (EXISTING)
WATER LINE (PROPOSED)
GAS LINE (EXISTING)
GAS LINE (PROPOSED)
UNDERGROUND TELEPHONE
UNDERGROUND FIBER OPTIC LINE (EXISTING)
UNDERGROUND FIBER OPTIC LINE (PROPOSED)
UNDERGROUND ELECTRIC (EXISTING)
UNDERGROUND ELECTRIC (PROPOSED)
OVERHEAD POWER (EXISTING)
OVERHEAD POWER (PROPOSED)
WATER METER
WATER VALVE
HYDRANT (EXISTING)
HYDRANT (PROPOSED)
LIGHT POLE (EXISTING)
UTILITY POLE (EXISTING)
TRAFFIC SIGNAL POLE
SIGN
TELEPHONE PEDESTAL
TRAFFIC SIGNAL BOX
IRON PIN-REBAR FOUND
RETAINING WALL
CONCRETE SWALE
TO BE INSTALLED PRIOR
TO WALL CUT/ CONSTRUCTION
STR-3
4' X 6' JUNCTION BOX
W/ OUTLET WEIR PRE -CAST
RIM EL.: 2082.82
I.E. OUT: 2072.25
RIP -RAP APRON AT C.B.
d50 = 6"
VOL = 870 C.F.
THICKNESS = 1.25'
STR-2.3
4' X 4' WEIR INLET
W/ SLAB ACCESS LID
4' X 4' PRE -CAST C.B.
RIM EL.: 2086.90
I.E. OUT: 2083.00
92 L.F.+/- of 18' HP @ 5.47%
6" UNDERDRAIN IN 2' X 2' WASHED STONE
ALONG EXISTING GRADE. TIE TO
STR-2.2
STR-2.2
4' X 4' WEIR INLET
W/ SLAB ACCESS LID
4' X 4' PRE -CAST C.B.
RIM EL.: 2084.00
I.E. IN: 2077.94
I.E. OUT: 2073.00
8" PVC ROOF LEADER COLLECTION PIPE
@ 2.00% MIN. TIE TO STR-4.5
98 L.F.+/- of 18' HP ® 3.07%
UNDERDRAIN TO TIE INTO STR-2
STR-2.1,
60" DIA. SDMH
PRE -CAST
RIM EL.: 2074.00
,I.E. OUT: 2067.70,
17 L.F.+/- of 30" HP ® 9.98% LC
RIP -RAP APRON AT C.B.
d5Q = 6" i /
VOL = 200 G.F./
THICKNESSi= 1.25'�
STR-4.5
4' X 4' WEIR INLET
W/ SLAB ACCESS LID
RIM EL.: 2081.50
I.E. OUT: 2076.50
65 L.F.+/- of 18" HP @ 2.30%
RETAINING WALL
W/ UNDERDRAIN
STR-4.4
48" DIA. SDMH
PRE -CAST
RIM EL.: 2086.12
I.E. IN: 2075.00
I.E. OUT: 2075.00
48 L.F.+/- of 18" HP @ 4.18%
STR-4.3
4' X 6' JUNCTION BOX
W/ WEIR PRE -CAST
RIM EL.: 2085.66
I.E. IN: 2073.00
STR-4
MC-7200 STORMTECH SYSTEM (30 CHAMBERS)
W/ ISOLATOR ROW (549 S.F.)
TOP EL. 2078.00
BTM EL. 2072.25
*CONTRACTOR SHALL AS -BUILT PRIOR BACKFILL
STR-4.1
2' X 3' HOODED GRATE
4' X 6' W/ WEIR PRE -CAST
RIM EL.: 2082.58
I . E. IN: 2073.00
13 L.F.+/- of 18' HP @ 23.74%
'STR-4.2
2' X 3' HOODED GRATE
4' X 4' PRE -CAST C.B.
RIM EL.: 2081.90
�LE. OUT: 2076.00
60 L.F.+/- of 15" HP @ 3.77%
23 L.F.+/- of 36" HP ® 8.72%
STR-2
60" DIA. SDMH
PRE -CAST
RIM EL.: 2082.26
I.E. IN: 2070.00
I.E. IN: 2070.00
I.E. IN: 2066.00
I.E. OUT: 2065.00 f
STR-1
60" DIA. SDMH
PRE -CAST
RIM EL.: 2068.46
I.E. IN: 2063.00
I.E. OUT: 2063.00
13 L.F.+/- of 36" HP ® 6.94%
UNDERDRAIN AT BACK SIDE OF WALL TO BE AT
ELEVATION NO HIGHER THAN EXISTING GRADE.
30
0
15
GRAPHIC SCALE
30
60
( IN FEET
1 inch = 30 ft.
120
APPROVAL BLOCK
Project Number: 2022-140
DWG Name: 2022-140 WETLANDS.dwg
Drawing Scale: as noted
Date of Project: December 2022
Engineer of Record:
b Christopher L. Price, P.E.
North Carolina PE# 029755
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`, ' 718 Lowndes Hill Road • Greenville, SC 29607
www.bluewatercivil.com • [e-mail]
STARBUCKS
AT SWEETEN CREEK
1 Medical Park Drive
Asheville, NC 28803
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02/15/2023
Bluewater Civil Design, PLLC
NC-P-0868
PLAN ISSUE ISSUE •
REVISION DATE COMMENT
A 12-23-2022 ISSUED FOR REVIEW
B 02-02-2023 REVISED FOR PERMIT
WETLAND
UNDERDRAIN PLAN
C2O4
e
THIS DRAWING AND ASSOCIATED .DWG FILES ARE THE PROPERTY OF BLUEWATER CIVIL DESIGN, LLC AND SHALL NOT BE MODIFIED, USED, OR REPRODUCED IN ANY WAY OTHER THAN AUTHORIZED IN WRITING. 02022 BLUEWATER CIVIL DESIGN, LLC