Of 7 Salem Stormwater Drawings Addendum A

NOTES

HOR. SCALE IN FEET

A

VER. SCALE IN FEET

1. SHEETS CJ101 TO CJ107 SHOW NEW PROPOSED

STORMWATER PIPES AND STRUCTURES, ALONG WITH

ADJACENT EXISTING UTILITIES. ADDITIONAL INFORMATION ON

EXISTING STORMWATER CONNECTIONS TO STRUCTURES AND

OTHER EXISTING PIPES CAN BE SEEN ON SHEETS C-002 TO

C-004.

EX. HEADWALL-3

1015

1.5' MIN. CLEARANCE

(DRAIN & SEWER) TYP.
1010

EX. GRADE

1025

2. AT LOCATIONS WHERE PROPOSED NEW PIPE CONNECTS TO

EXISTING STRUCTURES, THE FORMER OPENING FROM

EXISTING PIPE TO BE REMOVED SHALL BE BRICK AND

MORTAR SEALED AND NEW PIPE INSTALLED/CORED.

134' of 24" HDPE Pipe @ 7.00%
CB-161
RIM:1003.72

INV IN = 1001.26(CB-160 TO CB-161)

INV IN = 998.61(HEADWALL-3 TO CB-161)

PROP. CABLE 1

INV OUT = 992.80(CB-161 TO HEADWALL-1A)

EX. HEADWALL-4

3. EXISTING UNDERGROUND UTILITIES' INVERT AND SIZE

INFORMATION FOR SEWER, COMMUNICATIONS, ELECTRICAL,

WATER, GAS AND STEAM ARE BASED ON ENGINEERING

ASSUMPTIONS AND LIMITED SURVEY INFORMATION. THESE

UTILITIES ARE ASSUMED TO HAVE A NOMINAL 2 FT OF COVER

AT A MINIMUM FOR SEWER, COMMUNICATIONS, ELECTRICAL,

GAS AND STEAM. EXISTING WATER SERVICES ARE ASSUMED

TO HAVE A MINIMUM OF 3 FT OF COVER. CONTRACTOR SHALL

FIELD VERIFY THE LOCATION OF EXISTING UTILITIES AND

INFORM THE VA AND ENGINEERS OF ANY FIELD DEVIATIONS

THAT WOULD COMPROMISE OVERALL DESIGN.

PROP. GRADE

EX. GRADE

1005

1020

EX. HEADWALL-1

1045

EX. GRADE

A

EX. HEADWALL-3

1000

1015

PROP. GRADE

PROP. ELECT. 2

EX. HEADWALL-1A

1040

1010

B

B
357' of 30" H

1035
0+00

0+50

DPE Pipe @

PROP. ELECT. 3

1+00

1.00%

1005
2+00

2+50

1008.6
1008.5

1+50

1010.6

1+00

1014.3

1020.2

0+50

1018.7

0+00

1039.2

1038.0

1041.5

EX. SEWER 2

0+00

0+50

1+00

1+50

2+00

2+50

3+00

3+50

4+00

4+50

5+00

Headwall 1 Swale

Swale 1 - Headwall 3 Swale (North)

PROFILE STA 0+00.00 TO STA 1+00.03

HORIZONTAL SCALE: 1" = 50'

VERTICAL SCALE: 1" = 5'

SEE SHEET CU108

PROFILE STA 0+00.00 TO STA 2+50.37

HORIZONTAL SCALE: 1" = 50'

VERTICAL SCALE: 1" = 5'

SEE SHEET CU107

C

HEADWALL-3 TO HEADWALL-1A

C

PROFILE STA 0+00.00 TO STA 4+99.78

HORIZONTAL SCALE: 1" = 50'

VERTICAL SCALE: 1" = 5'

SEE SHEET CU107 & CU108

1040

EX. GRADE

1035

PROP. GRADE

CB-167
RIM:1003.35

INV OUT = 997.27(CB-167 TO CB-162)

1030

CB-165
RIM:999.22

INV IN = 993.52(CB-164 TO CB-165)

INV OUT = 993.52(CB-165 TO CB-166)

125' of 12" HDPE Pipe @ 0.50%

D
1025

CB-162
RIM:1001.99

INV IN = 996.65(CB-167 TO CB-162)

INV OUT = 996.65(CB-162 TO CB-163)

1010

1020

EX. DMH-SF1

RIM:997.45

INV IN = 990.49(CB-166 TO DMH-SF1)

CB-166 INV OUT = 990.41(DMH-SF1 TO FES-12)

RIM:998.36

INV IN = 993.02(CB-165 TO CB-166)

INV OUT = 993.02(CB-166 TO DMH-SF1)