SW1210802_Plansheet - Grading_Drainage Plan_20210818

DocuSign Envelope ID: A25BD9EC-97B2-4928-B7AB-80136C85AF84
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STORMWATER STRUCTURE CHART
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1 2083.00
2080.00
3.00
CB
2
2083.61
2079.64
3.97
CB
3
2084.00
2079.04
4.96
CB
4
2084.42
2077.92
6.50
CB
5
2083.39
2077.14
6.25
CB
6
1 2083.59
2079.59
4.00
CB
7
2085.23
2078.48
6.75
J M H
8
2083.39
2077.10
6.30
CB
9
2077.00
2077.00
0.00
PIPE
10
2076.50
1 2072.35
1 4.15
OCS
11
2072.23
1 2072.23
1 0.00
PIPE
ABBREVIATION LEGEND
CB = CATCH BASIN
JMH = JUNCTION MANHOLE
OCS = OUTLET CONTROL STRUCTURE
PROPOSED DOMESTIC WATER SERVICE,
(SEE UTILITY SERVICE PLANS FOR DETAILS)
STORMWATER PIPE CHART
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72.00
0.50%
HDPE
15
B
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119.68
0.50%
HDPE
15
C
3
4
224.84
0.50%
HDPE
15
D
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155.32
0.50%
HDPE
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9.00
0.50%
HDPE
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110.99
1.00%1
HDPE
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190.30
1.25%
HDPE
15
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8
9
19.03
0.50%
RCP
24
1
10
11
24.09
0.50%
RCP
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PROPOSED FIRE WATER SERVICE I I
(SEE UTILITY SERVICE PLAN FOR DETAILS)
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GENERAL STORMWATER NOTES:
1.) ALL STORMWATER PIPES SHALL BE HDPE WITH SMOOTH INTERIOR
WALL, WITH BELL AND SPIGOT ENDS AND SOIL TIGHT JOINTS, UNLESS
OTHERWISE NOTED ON PLANS.
2.) ALL PENETRATIONS INTO STORMWATER STRUCTURES SHALL BE
REPAIRED PROPERLY INSIDE AND OUTSIDE WITH BRICK AND OR
NON -SHRINK GROUT.
/ 3.) GIVEN PIPE LENGTHS ARE BASED ON HORIZONTAL DISTANCES
// BETWEEN STORMWATER STRUCTURES. CONTRACTOR SHALL FACTOR IN
SLOPES WHEN ORDERING PIPE AND ORDER ADDITIONAL LENGTH AS
NECESSARY.
?�(MAY
5. ALL ROOF LEADERS SHALL BE 8" HDPE SMOOTH INTERIOR WALL
BE PVC/SCH-40) WITH 1.0% MIN SLOPE UNLESS OTHERWISE
NOTED ON PLANS.
6.) CONTRACTOR TO ENSURE THAT ALL EXISTING AND PROPOSED STORM
DRAINAGE STRUCTURES, PIPES AND GRADES WILL PROVIDE POSITIVE
DRAINAGE PRIOR TO INSTALLATION.
7.) ALL DRAINAGE STRUCTURES GREATER THAN 4' IN DEPTH SHALL
/ HAVE ACCESS TO STEPS INSTALLED 16" ON CENTER.
v
8.) ALL PRECAST "WAFFLE BOX" STORM DRAINAGE STRUCTURES TO
HAVE A MAXIMUM DEPTH OF 6'.
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PROPOSED STORMWATER
STRUCTURE (TYP)
2080
2084
0
PROPOSED
STORMWATER
PIPE (TYP)
■
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■
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■
■
12086
rn
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■
■
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c/) PROPOSED BUILDING ■
(FFE 2087t) ■
■
■
■
■
■
PR
LEA
�I (SE
8" 11 F01
4" 11
11
R r I L'
■
N_ 8"
SSv SSv - SSv 0
-SSv -SSv
MIN
■
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Now
■
■
1p
PROPOSED GRAVITY
SEWER SERVICE (TYP)
(SEE UTILITY SERVICE
PLAN FOR DETAILS)
1
FULL SHEET REVISION
LEGEND
■ PROPOSED STORMWATER STRUCTURE
PROPOSED STORMWATER PIPE
PROPOSED SLOTTED UNDERDRAIN
SSv PROPOSED GRAVITY SEWER SERVICE
SS PROPOSED GRAVITY SEWER EXTENSION (BY OTHERS)
- - - - - - - - PROPOSED DOMESTIC WATER SERVICE
- PROPOSED FIRE WATER SERVICE
W PROPOSED WATERLINE EXTENSION (BY OTHERS)
_ 2084/
2p80
PROPOSED 2' CONTOURS (TYP)
EXISTING 2' CONTOURS (TYP)
I
0
EXISTING 100' HIGH
DENSITY STREAM BUFFER
6;1
WGLA ENGINEERING, PLLC
724 5th AVENUE WEST
HENDERSONVILLE, NC 28739
[phone]
WGLA.COM
NC LICENSE P-1342
PROPOSED CAPPED CLEANOUT
W/ P107 COVER FLUSH W/
GROUND (TYP)
BERM ELEV:
2080.00'
II I
I I
I I
I
PROPOSED 6"
I I PVC/SCH-40
I SLOTTED
UNDERDRAIN
I(TYP)
a I
I
10 /,
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PROPOSED PERM NENT
DRAINAGE SWAL (SEE
DETAIL FOR IMENS NS)
I
BOTTOM ELEV:
2077.00'
PROPOSED
BIO RETENTION CELL
(SEE SHEET C-401
FOR DETAILS)
GRAPHIC SCALE
20 0 10 20 40 80
( IN FEET )
A NEW FACILITY
FOR
PARDEE
PARTNERS
ASC
(T.B.D.) BOYLSTON HWY
MILLS RIVER, NC
28759
CASSET7"Y
J. CLINTON CASSETTY
ARCHITECT
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L. DERV
CASSE7TY
100 Country Club Dr., Suite 206
Hendersonville, TN 37075
[phone]
www.cassettyarch.com
THIS DRAWING AND DOCUMENT CONTAINS
INFORMATION PROPRIETARY TO THE
ARCHITECT. THE REPRODUCTION, COPY
OR USE OF THIS DRAWING AND DOCUMENT
WITHOUT THE WRITTEN CONSENT IS PROHIBITED
AND ANY INFRINGEMENT WILL BE SUBJECT TO
LEGAL ACTION. ALL RIGHTS RESERVED.
COPYRIGHT 2021.
ORIG. ISSUE DATE:
05-19-2021
8-10-21 STORM (1)
DHSR PROJECT #
AS-440
PROJECT NUMBER
2120
STORMWATER
MANAGEMENT PLAN
C-400