SW3220601_Plansheet C400 - Misc. Detail_20220617

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640
630
660
650
640
STORM 1
CB#5 (72"x72" REINFORCED CONCRETE)
RIM:642.90'
INV IN:638.95' 24" (CB#6)
INV IN:638.95' 24" (CB#4)
INV OUT:640.25' 24" (FES)
EXIS
ING
RADE
104' of
24" HDPE
­7
ADS
PIPE
N12 0
#6
0.5%
ADS
N1
PIPE
65' of
#5
24" HDPE
630 0+25
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PROFILE SCALE:
HORIZ: 1 " = 20'
VERT: 1 " = 10'
J-t Jv
660
650
CB#6 (24"x36" REINFORCED CONCRETE)
RIM:642.90'
INV OUT:638.95' 24" (CB#5)
640
2 O 0.0%
1+7530
GENERAL NOTES:
LEGEND:
1. FOR RIP RAP APRON SIZING, SEE SHEET 211.
2. FRAME AND GRATE - NCDOT STANDARD 840.29
LIMITS OF DISTURBANCE
3. TRAFFIC RATED PRECAST STRUCTURE NCDOT STANDARD 840.46
PROPERTY LINE
4. STORM DRAINAGE STRUCTURE DIMENSIONS ARE INNER LENGTH AND
WIDTH.
PROPOSED ACCESS - CENTERLINE
5. ALL PIPES TO BE CLASS V RCP OR HDPE ADS N12 (WT) UNLESS
PROPOSED ACCESS - EDGE OF
OTHERWISE SPECIFIED.
PAVEMENT
6. 6. UNDERGROUND OIL CONTAINMENT SYSTEM (DRAINAGE PIPES 1, 2, 3, 4,
AND 5) IS DESIGNED FOR THE 25 YEAR RAINFALL STORM EVENT WHILE
PROPOSED ACCESS - SHOULDER ----------------------------------
RETAINING 4,760 GALLONS OF OIL.
STATION FENCE x -x -x -x -x -x
7. UNDERGROUND OIL CONTAINMENT SYSTEM REQUIRES 0% PIPE SLOPE TO
MAXIMIZE THE SYSTEM STORAGE CAPABILITIES IN THE EVENT OF A
EXISTING MAJOR CONTOUR - - - - - - - - -
TRANSFORMER FAILURE. SEE CB#5 OIL CONTAINMENT OUTLET
PROPOSED MAJOR CONTOUR
STRUCTURE DETAIL (SHEET C910) FOR ADDITIONAL DETAILS.
EXISTING MINOR CONTOUR - - - - - -
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PROPOSED MINOR CONTOUR
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PROPOSED SPOT ELEVATION 930.00
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PROPOSED CULVERT INSTALLATION
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OUTLET PROTECTION)
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NCDOT STD 840.14 PRECAST DROP INLET
CB#1 (24"x36" REINFORCED CONCRETE)
RIM:642.90'
INV OUT:638.95' 24" (CB #2)
FINISH D GR
PIPE
159'
DE
PIPE
69'
#4
of 24"
HDPE
ADS N12
@ 0.0%
#2
of 24"
HDPE
ADS N12
® 0.0%
PIPE
68'
#1
of 24"
HDPE
ADS N12
@ 0.0%
PIPE
66'
#3
of 24" HDPE ADS N12 ® 0.0%
NCDOT STD 840.14 PRECAST DROP INLET
C13#4 (24"x36" REINFORCED CONCRETE)
RIM:642.90
INV IN:638.95' 24" (CB#3)
INV OUT:638.95' 24" (CB 5)
NCDOT STID 840.14 PRECAST DROP INLET
CB #2 (24"x36" REINFORCED CONCRETE)
RIM:642.90'
INV IN:638.95' 24" (CB#1)
INV OUT:638.95' 24" (CB#3)
6' SQ PRECAST CONCRETE DROP INLET C13#5
RIM: 642.90'
SUMP = 637.41'
INV IN:638.95' 24" (CB#6)
INV IN:638.95' 24" (CB#4)
INV OUT:640.25' 24" (FES)
NCDOT STD 840.14 PRECAST DROP INLET
C13#3 (24"x36" REINFORCED CONCRETE)
RIM:642.90'
INV IN:638.95' 24" (CB #2)
INV OUT:638.95' 24" (CB#4)
620 0+25
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VERT: 1 " = 10'
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650
640
630
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SHEET
C400
PAGE
12 of 18
Jun 08, 2022 - 8:54am R:\FPS\PROJECTS\Union-Power\Willoughby Substation\06-DWG\Chris\Wllloughby.dwg