SW3220305_Plansheet - Grading_Drainage Plan_20220325 (4)

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- NCH LINE \A �10(-ATIQN #k3 ��� \
SEE DRAWING C-000-301 / N:577994.80
h. ��� 1 j - - \ •� / / E:1541207.51
• VEGETATED SWALE " ( /Z /�- \\\ < I \ \
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FEMA REGULATORY FLOODPLAIN S2 \ \ \ \
+� 540 538 \ T% LYSIMETER _ ( \ i i —
20
LOCATION #3
:142.93' 77-
N:577956.66 _ — \
E:1540927.92 - ASH DISPOSAL SITE NO. 1LTI
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C 1 0 , -BORE B 16 \\\ \ \ 10 1 \\ \
1-. 1 SWALE 4 Q.....::...° \� SWALE 4
DRAINAGE AREA \ _ _ 0 FH_
MAINTENANCE CANOPY 53p \ \ \s
MAIN PUMP I I / \ S10
STATION \
\\ 543.71
543.65 PLANT
H I \
�135' / \ \ MAINTENANCE III IIII a a \ I I I \ \ \ \ \
I \ \ \ \ \
— _ 542.69 I I I III
cr 543.79—543.15 1
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— — — — FUTURE SCUM
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PUMP STATION / I \ \ \ \ \ \ \ \ \ \ \20 �� \ / \ \ r^
STD 4 - DI AND SWALE 4 BO B-11 I \ I \ \ \ \ \ \ \\\ \ \ \
DRAINAGE AREA I \ I I l \ \ ° 1 \ \ \\\ 1 \ \ \
\ 1 ° \ \ 3 ° / / ) I \\ \\\ \ \
610
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2 R \ W 543.32
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o BORE B-10 ❑ a 4 FFE 544.50 543.46
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_ 220.67' I 544.50 544.50 544.00Ln
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ELECTRIC MANHOLE (SEE
W ELECTRICAL DRAWINGS) \ HIGH MAST
AERATION
BASIN NO. 6 >ECONDARY CLARIFIER SECONDARYNO OLARIFIER 11 1 1 I I I 1 ❑
I \ I • ❑ \ \ s \ �\ \ I \
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LARIFIER °
1__/ ® -n � NO.7 =1( I \I \ I I I II //pI/ II
�I �I STORM ORAlN90441
R/M=542.57'
_XX242.XX
O/ lNV OUT=XX1541236.51XX'
GRAE-45.17' EDIT EXTQ 5W lNV OUT-538.12"
9 I I JINI
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LL
I /II o • MATCH LINE4. 11 s I \
iA TE —
SEE DRAWING CI-1000-305
o PLAN
NORTH
GRADING AND DRAINAGE PLAN 3
SCALE: 1" = 40' 0 40 80
m
1 2 3 4 5
6
GENERAL NOTES:
1. SEE DRAWING C-000-001 FOR GENERAL NOTES AND SOIL
BORING INFORMATION.
0 KEYNOTES:
1 OUTLET STABILIZATION STRUCTURE (SEE DETAIL
ESC-K/C-000-615).
2 SEE ELECTRIC DRAWINGS FOR PROPOSED
TRANSFORMERS.
3 EXISTING ELECTRICAL PAD AND EQUIPMENT TO REMAIN
INTACT. THE PAD SHALL REMAIN ABOVE GRADE TO
PREVENT RUNOFF FROM IMPACTING EQUIPMENT.
4 FRENCH DRAIN (SEE DETAIL J/C-000-802).
5 FUTURE SECONDARY CLARIFIER FLOW SPLITTING
STRUCTURES.
6 CLEANOUT (SEE DETAIL K/C-000-802).
7 SEE DRAWING C-000-100 FOR BENCHMARK INFORMATION.
<<! L
•
�r: 1Ep
KEY PLAN
SCALE: 1" = 500'
6
H I V YY 1 1 AND •
n..lJ�....11 •
ENVIRONMENTAL ENGINEERING AND CONSULTING
309 East Morehead Street, Suite 160, Charlotte, NC 28202
[phone]
North Carolina Board of Examiners for Engineers and
Survevors License No. F-0785
❑C
wy
SEAL
Y: '365 4-
02/20/22 9:37 AM
FINAL DRAWINGS - FOR REVIEW
PURPOSES ONLY - NOT C
RELEASED FOR CONSTRUCTION
ISO AR24 * HRY Mlic is t y * ORSAS 13401:20
ROCKY RIVER
REGIONAL
WASTEWATER
TREATMENT PLANT
PHASE 3 EXPANSION
I REVISIONS
REV I DATE I DESCRIPTION
LINE IS 2 INCHES
AT FULL SIZE
DESIGNED: D. WRIGHT
DRAWN: R. JAMES
CHECKED: K. DEVENDORF
CHECKED: D. VARJABEDIAN
APPROVED: K. DEVENDORF
FILENAME
154689-C-000-303. D W G
BC PROJECT NUMBER
156673
CLIENT PROJECT NUMBER
CIVIL
GRADING AND
DRAINAGE PLAN 3
DRAWING NUMBER
C-000-303
Xx SHEET NUMBER
OF
J
0