SW5240401_Plansheet - Grading/Drainage Plan_20240404

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N/F I l l l i i i i \ E(x):2153608.30'
\` I JAMES T. MOSS JR.
D.B. 2177, PAGE 1088
M.B. 2023, PAGE 219 LINE DRAINAGE SWALES WITH NORTH
AMERICAN GREEN S150 EROSION
\ I PIN# 1853-38-3734 CONTROL BLANKET-10'WIDE ; / 62401 i % -j \ DESIGN GROUP
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SILVERSTEIN ENTERPRISES =_ -- - LU-
\ AT YOUNGSVILLE, LLC ___'--- --- _--' \\ D.B. 1014, PAGE 916 U J
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D.B. 1642, PAGE 298 _ __ __ _
M.B. 2016, PAGE 41 -'---____ �_, ' _____ PIN# 1853-47-0971 � O
PIN# 1853-38-1086 � �_, \ ZONING: AG � � �
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ALUMINUM SOLUTIONS
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vAUVf STORM DRAINAGE DATA \ �
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// Inlet Area Total Area Tc 10 Yr Intensity Cc Q(10) Slope Size V(10) Depth(10) Length Invert in Invert out Top 0 15 30 60 120 \ ('V (D
W� HOT BOXWZZA� FES#1 0.58 426.50 \
yi I III I I� WM 0.58 5.00 7.24 0.75 3.15 0.0347 15 8.26 0.44 72 O
HOT-BOX
I 1 III I I FES#2 424.00
SCALE: 1"=30'
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GRADING AND EROSION CONTROL NOTES:
M DATE
=1 11=1 11=1 6" 3 4 2
-III=III=III=III-III=I =III d=III-III-III= 1. DISTURBED AREA = 2.10 ACRES. THE EROSION AND SEDIMENTATION CONTROL 024
-III-III-III-III-III-II,- _ _ _ = PLAN SHALL BE REVIEWED AND APPROVED BY THE NC DEPARTMENT OF REVISIONS
'-III=III-III-III-III-III - I=__
-11j-III=III=III=III=II =III ill=11 -III-III-III-III-I I' ENVIRONMENTAL QUALITY (NC DEMLR) PRIOR TO THE START OF CONSTRUCTION.
'' -1 I IE I 11=1 I I-1 I I III-III III-
I-III-III-I I -III I 11=1 I I 11=1 I I- '
'I I-III-III I I I=1 I I III-III 1117
0
III-I I I-I I =_ =_ . 1
'i ll,,;,1111 I I1111 I II 111 I II II 1-''
5150 MATTING
Bw
CHANNEL #1 CHANNEL #2 CHANNEL #3 CHANNEL #4
DRAINAGE AREA = 0.464 AC DRAINAGE AREA = 0.646 AC DRAINAGE AREA = 0.723 AC DRAINAGE AREA = 0.252 AC DRAWN BY CHECKED BY
Cc = 0.83 Cc = 0.62 CC = 0.81 Cc = 0.60 ACE WHM
110 = 7.24 1N/HR 110 = 7.24 1N/HR 110 = 7.24 1N/HR 110 = 7.24 1N/HR
Q10 = 2.79 CFS Q10 = 2.90 CFS Q10 = 4.24 CFS Q10 = 1.09 CFS SHEET TITLE
S = 1.25% S = 2.22% S = 3.15% S = 2.25%
BOTTOM WIDTH (Bw) = 4' BOTTOM WIDTH (Bw) = 4' BOTTOM WIDTH (Bw) = 4' BOTTOM WIDTH (Bw) = 4'
WIDTH = 10 WIDTH = 10 WIDTH = 10 WIDTH = 10
GRADING,
M = 6:1 M = 6:1 M = 6:1 M = 6:1 DRAINAGE., AND
d 0.37' d 0.30' d 0.31' d 0.19' o
n = 0.058 n = 0.05 n = 0.043 n = 0.058 STORMWATER PLAN
V10 = 1.20 FPS V10 = 1.66 FPS V10 = 2.34 FPS V10 = 1.11 FPS w
USE S150 NORTH AMERICAN USE S150 NORTH AMERICAN USE S150 NORTH AMERICAN USE S150 NORTH AMERICAN }
GREEN MATTING GREEN MATTING GREEN MATTING GREEN MATTING z SHEET NUMBER
J
NOTE: GRASS HEIGHT TO BE MAINTAINED AT 4" OR GREATER. a
CY C 5
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ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH TOWN OF YOUNGSVILLE, FRANKLIN COUNTY PUBLIC UTILITIES, AND NCDOT STANDARDS & SPECIFICATIONS AS APPLICABLE z
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