HomeMy WebLinkAboutWPO201800068 Correspondence 2021-02-09 (2)E
20' SAN.. SEWER EASEMENT
D.B. 4080, PG. 116
IC
DRAINAGE EASEMENT
359 50. FT.
D.B. 3350, PG 606
C
PARCEL 07800-00-00-01600
oAA1MDC DAav 11 P
0
3
/
----------
375.12 375.11 375.08--)
K IBw\368.53 WALL 3os
v / I I i \ /
/ I I
72.4 ®�
0
20' SAN. SEWER EASEMENT
D.B. 1371, PG. 1.9
0
0
CONC /
WALK. � /
375.
4 5
PARCEL 07900-00-00-01590
R/CKY LEE 9AUM6ARDNER
( DONNA G. 9AUM14RDNER I
I (D..B. 88I PG. 1426) I
t 'W/NG. HIGHWAY CgYMERCIAL-
I LAND USE COMMfRC/AL
FA
/
I TOTAL ACRES- 84 /
ROD I FENCE
I I
II + I -___ 1 T N STORYMH
I TO \�----- I T2P=381.16
J75.81
-J76.5,1 J61.5J 376.56
� 9 �
i
INV /N=373.38(fROU-7� /
�C) I // // IRON R� FOUND
n INV /N=,I73.38(F;OM-,5) /
N: 3,099,520.18
/ - / INV O61T=368�0(24- RCP)/ / / 5 E: A'1,496,663.40
/ /' / / �8 /RF
Z,
1
STM / / / S4N r5AN
:a
i� 20 / / /// / SS A AI TOP-
INV 1h
/ I71 S - - / / / / l INV IN
/ INV
�� �/
5 _ CATCH B4SlN - - 9� / sS
--- ��---I TOP=.I85.08 /
INV 1N=378.52(FR0M-4) /
/ INV 1N=374.97(FR0M-9)
TREE INV OUT=374.80(24" RCP) /
5�\ \
21 \\ \ R \ \ \ G��� TREE
I
STORM SEWER SUMMARY
\� EX6 Existing Manhole
\ Invert In = 372.64 (New)
EX 6 to 20 11.66 LF of 15" /o Corrugated HDPE
at 1.63%
20 MH-1 with Detention Weir, 48" Diameter Center of Structure
Rim = 579.48 379.21' N: 3,899,509.64
\ Inv Out = 87R.75 (15") 372.61' E: 11,496,608.05
Inv In = 3;E2.75 (36") 372.56'
20 to 21
24.77 LF of -36" Smooth Walled HDPE at 6-46442 at 0.44%
PSQ�,P
21
MH-1, 60" Diameter Center of Structure
0.176 ACRE STORMWATER
MANAGEMENT FACILITY & DRAINAGE
Rim = 383..53 383.31' N: 3,899,485.78
EASEMENT PER D.B. 5209, PG. 142-149
Inv Out = 372.86 (36") 372.76' E: 11,496,601.40
Inv In = 372.86 (36") 372.81'
21 to 22
39.83 LF ofmW Smooth Walled HDPE at 8.596 42" at 0.48°k
/
22
MH-1, 60" Diameter Center of Structure
Rim = 900.17 383.00' N: 3,899,467.74
Inv Out = 878.86 (36") CL Inv = 373.00' E: 11,496,565.90
Inv In = 37396 (36")
Inv In = 373:96 (36")
22 to 23
75.00 LF of 36" Smooth Walled HDPE at 9.696 0.76%
23
MH-1, 60" Diameter Center of Structure
Rim = 501.64 381.54' N: 3,899,420.21
Inv Out = 878.44 (36") CL Inv = 373.57' E: 11,496,507.88
/
/
Inv In = 370.44 (36")
Inv In = 378.98 (15")
/>< / OVERHANG
WISRICK
23 to 24
17.50 LF of 36" Smooth Walled HDPE at9.59tr 1.25%
COLUMNS
X/
24
MH-1, 69' Diameter Center of Structure
/
' Rim = 380.97 380.76 N: 3, 899, 433.75
/
Inv Out = 979.59 (36") CL Inv = 373.35' E: 11,496,496.79
/
Inv Out = 373.53 (36")
Inv In = 375.75 (15")
24 to 25
19.59 LF of 15" Smooth Walled HDPE at 9.9% 0.51 %
25
DI-3A, L=2.5'
Rim = 08836 380.50'
Inv Out = 376.98 375.85'
OFFICE/AOM/N1STR4TION SUILDING
Inv In = 276:56 K' from Cleanout)
169 SPOTNAP ROAD
1-STORY
22 to 26
17.50 LF of 36" Smooth Walled HDPE ate.5156 Approx. 0.89%
BRICK SUILDING
FF ELEV=397.45
26 to 24
75.00 LF of 36" Smooth Walled HDPE at 0.50%
BSMT ELEV=385.45
26
MHA, 60" Diameter Center of Structure
Rim = 382.36 382.25' N: 3,899,481.27
Inv Out = 373.33 (36") CL Inv = 373.16' E: 11,496,554.81
Inv In = 373.13 (36")
23 to 30
15.69 LF of 15" Smooth Walled HDPE at 1.85%
NOTE:
30
DI-1A with Type III Grate
-ORIGINAL SURVEY SHOWN IN THIN GRAY
Rim = 36239 382.00'
-DESIGN FEATURES SHOWN IN THICK GRAY
Inv Out = 378.2.7 (15") 379.30'
-AS BUILT FEATURES SHOWN IN BLACK
Dewberry Engineers Inc.
4805 LAKE BROOK DRIVE
SUITE 200
GLEN ALLEN, VA 23060
804.290.7957 (PHONE)
804.290.7928 ( FAX)
°C
�0
z
z
J
U)
z
0-
Q
Q
Q
O
J
UXZm
°C
Q
w
Q
U)>
-
Q
w>
U)
w
J
z
z
C�C
G
>
O
0
U)
co
W
zW
UJ>
LU
OZ
z
'lJ
O
m
U
O
Y
0
f
a
J
<
<
CC)
2
p
U
Q
w
N
w0
0
m
U)
Q
SEAL �` "Nf, ALTN O t�
SAJ �
-A
U KEVIN ANTFKMVPEN
NOCK
b ✓Jc. No. 7023
oR 11�32 42c� w i
c..ssi„ �ce
:VAL
KEY PLAN
SCALE
0' 10' 20'
GRAPHIC SCALE
ill = 10'
No. I DATE I BY I Description
REVISIONS
DRAWN BY
APPROVED BY
CHECKED BY
DATE
DEP
KAP
HCG
OCTOBER 2020
TITLE
GRADING AND
DRAINAGE PLAN
PROJECT NO. 50075660
SHEET NO.
C3ml