Item 55 - Suggested Soil Boring Location to Bidders.pdf
PDF 5 MB Posted
- Attached to
- Z2NZ-- 658-23-108 Correct Stormwater Drainage
- Solicitation number
- 36C24626B0031
About this file
This document is a Drainage Plan (Sheet CU101) for a stormwater correction project at a U.S. Department of Veterans Affairs facility located at 1970 Roanoke Boulevard, Salem, Virginia 24153-6404. The project number is 658-23-108, prepared by Mabbett & Associates, Inc., with an issue date of January 28, 2026, at 100% Final Design phase.
The drainage plan depicts comprehensive stormwater infrastructure improvements including proposed underground piping systems, catch basins, drainage manholes, infiltration ponds, subsurface infiltration systems (SIS-1, SIS-2A, SIS-2B, SIS-3A, SIS-3B), subsurface detention systems, outlet control structures, flared end sections, headwalls, and trench drains throughout the facility. The contractor is required to furnish and install PVC, HDPE, RCP, and other piping materials ranging from 3 inches to 40 inches in diameter at specified slopes, support and protect existing retaining walls and utilities, perform field verification of existing underground utilities (sewer, communications, electrical, water, gas, and steam), and coordinate with the VA and design engineers regarding any deviations. Key work includes replacing interfering utilities to match in kind, installing roof drain laterals with minimum 6-inch diameter PVC at 1% slope and 1-foot minimum cover, repairing and lining existing pipes, and compliance with International Plumbing Code and Uniform Plumbing Code guidelines. The plan incorporates existing stormwater and sanitary infrastructure with connections to the City of Salem MS4 system and identifies karst formation areas requiring special subsurface infiltration system consideration.
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Text version
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EX. SIGNS
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CITY OF SALEM
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CB-1
STORM
STRUCTURE
CB-3
DMH-64
DMH-63
CB-5
CB-4
DMH-62
DMH-61
DMH-60
DMH-17
CB-7
CB-8
CB-13
CB-14
CB-6
DMH-15
DMH-B1
DMH-16
DMH-101W
DMH-100W
DMH-72
24" CMP OUTFALL
TO VALLEY
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PP-3946-2768
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FENCE
EX. LP
DY/4"
BLDG. 163
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OUTFALL 1A/1B CONNECTING
TO THE MS4 SYSTEM OF
THE CITY OF SALEM
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8" CI
24" CMP
10" VCP
8" CI
@1.46%
32" RCP
@1.27%
10" CI
@3.47%
32" RCP
32" RCP
@2.84%
24" RCP
24" AC
@0.59%
30" RCP
@1.81%
32" RCP
@0.98%
10" CI
@0.50%I
6" CI
6" CI
8" CI
@0.47%
10" VCP
@0.64%
24" RCP
6" PVC
@0.14%
6" PVC
@0.15%
6" CI CAPPED END
6" CI6" CI
24" CMP
6" CI
6" CI
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APPROXIMATE LOCATION
OF KARST FORMATION
AREA PER ARCGIS "KARST
AREAS" LAYER
SUBSURFACE
INFILTRATION
SYSTEM 1 (SIS-1)
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DMH-130
DMH-131
CB-115
DMH-132
DMH-136
OCS-4
FES-7
OCS-5
FES-8
INV= 1064.00
INV= 1067.00
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INSPECTION MH
RIM= 1073.00
INSPECTION MH
RIM= 1075.52
HP=1057.50
1. REFER TO SHEET C-001 FOR CIVIL LEGEND, ABBREVIATIONS, AND GENERAL NOTES.
2. SUPPORT AND PROTECT IN PLACE THE EXISTING RETAINING WALLS.
3. SUPPORT AND PROTECT EXISTING UTILITIES UNLESS INDICATED OTHERWISE. CONTRACTOR
SHALL REPAIR ANY DISTURBED UTILITIES.
4. REFER TO SHEETS CU110 TO CU112 FOR PROPOSED STORMWATER PIPES AND STRUCTURES
DETAILS.
5. PROPOSED UNDERGROUND ROOF DRAIN LATERALS SHALL BE A MINIMUM OF 6-INCH DIA,
PVC AND AT A 1% SLOPE. UNDERGROUND ROOF DRAIN LATERALS SHALL HAVE A MINIMUM
COVER OF 1 FOOT. AT LOCATIONS WHERE EXISTING ROOF LATERAL IS FOUND TO BE A
LARGER DIAMETER, CONTRACTOR SHALL FURNISH NEW PIPE OF THE SAME SIZE AND SLOPE
AS THE EXISTING STRUCTURE. CONTRACTOR SHALL FOLLOW INTERNATIONAL PLUMBING
CODE (IPC) AND UNIFORM PLUMBING CODE (UPC) GUIDELINES FOR FITTINGS, CLEANOUTS
AND ROOF DRAIN LATERAL CONNECTIONS.
6. GRAY COLORED KEY NOTE MEANS NOT USED ON THIS SHEET
7. 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.
8. 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. CONTRACTOR SHALL FIELD VERIFY THE LOCATION OF EXISTING UTILITIES AND INFORM THE VA
AND ENGINEERS OF ANY FIELD DEVIATIONS THAT WOULD COMPROMISE OVERALL DESIGN.
9. THE CONTRACTOR SHALL FIELD VERIFY IF EXISTING UTILITIES INTERFERES WITH THE NEW PROPOSED
STORMWATER SYSTEM, IF THE EXISTING UTILITY DOES NOT CONFLICT, THE CONTRACTOR SHALL NOT
DEMOLISH OR FURNISH A NEW UTILITY. IF THE EXISTING UTILITY DOES CONFLICT WITH THE NEW
PROPOSED STORMWATER SYSTEM, THE CONTRACTOR SHALL REPLACE SECTION OF EXISTING
INTERFERING UTILITY TO MAKE INVERTS WORK AND MATCH IN KIND.
CU101
DRAINAGE PLAN
SCALE: 1" = 50'
0 100 150 200
KEY NOTES
NOTES
Project Number
Building Number
Drawing Number
Project Title
Location
Issue Date Checked Drawn
Drawing Title
Approved:
VA FORM 08 - 6231
A
OFFICE OF
CONSTRUCTION
AND FACILITIES
MANAGEMENT
U.S. Department of Veterans Affairs
B
C
D
E
F
A
B
C
D
E
F
21 4 5 6 7 8 9 10
PhaseArchitect/Engineer of Record StampConsultant
321 4 5 6 7 8 9 10
Sprinkler Status
Correct Storm Water Drainage
1970 Roanoke Boulevard Salem, VA 24153-6404
658-23-108
01.28.2026 RBB KRS/PEH
100% FINAL DESIGN
# Revisions Date
Scientists I Engineers I Program Managers
Mabbett & Associates, Inc.
105 Central Street Stoneham, MA 02180-1248
T. 781-275-6050 www.mabbett.com
Mabbett
C
U d w g
Page of 59
S E
E
S
H E
E T
C
U
SEE SHEET CU105
SEE SHEET CU106
1. FURNISH AND INSTALL COUPLING TO JOINT CONNECTION. SEE NOTE 2. SEE SHEET CK501, DETAIL F5
2. FURNISH AND INSTALL NEW LADDER RUNGS AND PATCH & MORTAR TOP BRICK LAYER OF STRUCTURE. SEE SHEET CK503, DETAIL C4
3. SEAL OPENING AROUND PIPE INSIDE MANHOLE
4. FURNISH AND INSTALL NEW LADDER RUNGS. SEE SHEET CK503, DETAIL C4
5. RE-ESTABLISH BACKDROP MANHOLE CONNECTION IF DISTURBED DURING WORK
6. PERFORM PIPE LINING AND REPAIR
7. FURNISH AND INSTALL CATCH BASIN & COVER. SEE SHEET CK501, DETAILS D6, E8, F3 & F8
8. PATCH & MORTAR TOP BRICK LAYER OF STRUCTURE
9. PUMP OUT WATER FROM FLOODED CATCH BASIN INLET. CONTRACTOR TO FURTHER INVESTIGATE INLET AND OUTLET
CONNECTIONS TO DETERMINE FLOOD ISSUE WITHIN INLET STRUCTURE
10. FURNISH AND INSTALL PVC PIPING. SEE NOTE 5
11. FURNISH AND INSTALL HDPE PIPING
12. FURNISH AND INSTALL MANHOLE & COVER. SEE SHEET CK503, DETAIL C1 AND SHEET CK502, DETAIL F9
13. FURNISH AND INSTALL CATCH BASIN GRATE. SEE SHEET CK501, DETAILS D6 & F8.
14. REMOVE INTRUDING ROOT IN PIPE
15. JET OUT AND VACUUM DEBRIS TO REMOVE BLOCKAGE
16. FURNISH AND INSTALL CURB INLET & COVER. SEE SHEET CK503, DETAIL E3
17. FURNISH AND INSTALL RCP PIPING
18. FURNISH AND INSTALL OUTLET CONTROL STRUCTURE. SEE SHEET CK501, DETAIL D4 FOR INFILTRATION POND OCS AND
SHEET CK502, DETAIL C6 FOR SUBSURFACE INFILTRATION CHAMBER OCS
19. FURNISH AND INSTALL FLARED END SECTION. SEE SHEET CK502, DETAIL C1
20. FURNISH AND INSTALL RIP RAP. SEE SHEET CK501, DETAIL C1
21. FURNISH AND INSTALL TRENCH DRAIN. SEE SHEET CK504, DETAIL C6
22. FURNISH AND INSTALL CATCH BASIN HOOD. SEE SHEET CK501, DETAIL F1
23. FURNISH AND INSTALL NEW HEADWALL. SEE SHEET CK502, DETAIL E1
24. RELOCATE EXISTING LIGHT POLE
25. FURNISH AND INSTALL NEW ELECTRICAL SERVICE. MATCH IN KIND
26. FURNISH AND INSTALL NEW DI WATER SERVICE. MATCH SIZE IN KIND. SEE SHEET CK505, DETAILS B1, B4, B7, C1 & C4
27. FURNISH AND INSTALL NEW SEWER SERVICE
Kevin Sifuentes Oval
Kevin Sifuentes Callout
PERFORM SOIL BORING INVESTIGATION HERE FOR STRUCTURE BUOYANCY PURPOSES
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BLDG . 8
BLDG . 7
BLDG . 170
BLDG . 168
BLDG .
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LOT J
LOT H
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BNMRK
EX. EMH
EX. SIGNS
(TYP.)
EX. EMH
EX.
EB
EX. FENCE
W/ GATE
EX.LP
EX. LOT L
SIGN
EX. SIGNS
(TYP.)
EMERG.
CALL
EX.
RIP-RAP
EX. EMH
BRIDGE
W/ RAILING
BRIDGE
W/ RAILING
EX. EB
EX. EB
EX.
RIP-RAP
EX. SIGNS
(TYP.)
EX.LP
EX.
EMH
EX.
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EX.
SSWR-MH
EX.LP
EX.LP
EX.
SSWR-MH
EX.LP
EX. FENCE
EX.
FENCE
EX.LPEX.LP EX. LOT K
SIGN
EX.LP
EX. SIGNS
(TYP.)
EX. GATE
EX. GATE
EX. CMH
EX.
EMH
EX.
EMH
EX. EMH
EX. EMH
EX. EMH
EX. CMH
EX. SSWR-MH
EX.
SSWR-MH
EX.
EMH
EX. TRANS.
EX. HVAC
EQUIP.
EX. CMH
EX. FDC
EX. HVAC
EQUIP.
EX.
TRANS.
EX. WV
EX. FDC
EX.
WV
EX. WV
EX.
WMH
EX.
WV
EX.
WV
EX. FH
EX. FH
EX.
WV
EX. FH
EX. FH
EX.
WV
EX.
WV
EX. FH
EX.
WV
EX. FENCE
EX. FENCE
EX. GATE
EX.
RIP-RAP
EX.
RIP-RAP
EX. TRANS.
EX.
WV
EX. WV
EX.
WV
EX.
WV
EX. FH
EX.
WV
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SSWR-MH-21A
BLDG. 134
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EX. SSWR-MH
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PLCC CURB
EX. SIGNS
(TYP.)
EX. SSWR-MH
EX. WV
EX.LP
EX.LP
EX.LPEX. FH
EX. WV
EX.LP
EX.LP EX.LP
EX.SSWR-MH
EX. SIGNS
(TYP.)
EX.LP
EX.LP
EX.LP
EX. FH
EX.
SSWR-
MHEX. FH
EX. SIGNS
(TYP.)
EX. SIGNS
(TYP.)
EX. SSWR-MH
EX. FH
EX. WMH
EX. LP
(TYP.)
EX.SSWR-MH
EX.LP
EX. EMH
EX. EMH
EX. CMH
EX.
SSWR-MH
EX. SSWR-MH
EX. WV
EX. WV
EX. FH
EX. EMH
EX. SIGNS
(TYP.)
EX. SIGN (TYP.)
EX. SSWR-MH
EX.
SSWR-MH
EX. SSWR-MH
EX.
SSWR-MH
EX.
SSWR-MH EX. FENCE
EX. SSWR-MH
EX. SSWR-MH
EX. SIGNS
(TYP.)
EX. LP
EX. LP
EX. LP
EX.SSWR-MH
EX. LP
EX. LP
EX. LP
EX.
CMH
EX.
SIGNS
(TYP.)
EX.
SIGNS
(TYP.)
EX. SIGNS (TYP.)
EX. LP
EX. SIGNS (TYP.)
EX.
SIGNS
(TYP.)
EX. SIGNS
(TYP.)
EX. SIGNS
(TYP.)
EX. SIGN
(TYP.)
EX.
SHED
EX.
SHED
X
X
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BLDG . 34 BLDG . 117
BLDG . 97
EX. WATER TOWER
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CO
D
D
D
D
D
D
D
D
D
CB-52
CB-53
CB-58
DMH-67
CB-82
DMH-38
DMH-37
DMH-39
HEADWALL-3
14" PIPE END
INV. 1016.64
14" PIPE END
INV. 1018.29
HEADWALL-4
HEADWALL-5
40" PIPE END
INV. 1072.93
DMH-82
CB-59
CB-60
CB-61
DMH-95B
CB-63
18" PIPE END
INV. 1081.49
18" PIPE END
INV. 1095.02
CB-62
DMH-103
DMH-91
DMH-92
DMH-93
DMH-18
DMH-100E
DMH-101E
DMH-102E
DMH-83
DMH-84
DMH-87
DMH-88
TD-17
CB-96
CB-98
CB-89
CB-94
CB-97
CB-87
CB-99
CB-88
CB-91
CB-100
CB-101
CB-102
DMH-35A
DMH-97
DMH-95D
26" PIPE END
INV. 1007.96
DMH-95C
CB-25
CB-27
DMH-95
CB-115
(BURIED)
TD-10
TD-11
TD-15
TD-16
DMH-89
(BURIED)
DMH-9
(BURIED)
DMH-35
DMH-95E
D
DMH-35B
D
DMH-94
EX.LP
EX. SIGNS (TYP.)
EX. FENCE
EX. EMH
EX.LP
EX. SIGNS
(TYP.)
E.O.P.
E.
O.
P.
E.O.P.
E.
O.
P.
EX. LP
EX. LP
EX. RET.
WALL EX. LP
EX. RET.
WALL
E.O.P.
E.O.P.
E.O.P.
E.
O.
P.
E.O.P.
BLDG. 126
BLDG. 133
BLDG. 139
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
EX
. S
W
AL
E
EX
. S
W
AL
E
EX
. S
W
AL
E
CO
CO
SWALE-1
SWALE-2
SWALE-3
D
S
EX.
RIP-RAP
18" PIPE END
INV. 1079.39
CB-P3
HEADWALL-8
HEADWALL-7
W
W
W
W
W
W
W
W
W
W
W
W
W
W
E
E
E
E
E
E
E
E
E
E
E
E
E
8" CI
@7.25%
12" CONC.
@4.13%
6" CI
@2.59%
6" CI
@0.50%
8" CI
@10.11%
24" HDPE
@0.25%
10" HDPE
@1.05%
8" DI
8" DI
8" CI
@1.13%
8" CI
@0.50%
10" CI
@1.04%
8" CI 30" RCP
@2.04%
30" RCP
@1.06%
30" RCP
@12.33%
18" RCP
@2.28%
10" CONC.
8" CONC.
@1.71%
8" CONC.
6" CI
@0.68%
12" VCP
30" RCP
@0.48%
18" RCP
@2.60%
8" CI
8" CI
4" CI
18" RCP
24" HDPE
@0.81%
8" PVC
@0.50%
8" PVC
8" CI
@0.00%
24" HDPE
@0.94%
24" HDPE
@0.19%
6" PVC
@0.50%
12" HDPE
@0.76%
16" HDPE
@2.30%
8" CI
6" CPP
8" PVC
@3.55%
6" CPP
@0.50%
12"
PVC
18" HDPE
36" RCP
3" CI
@0.50%
3" CI
@0.50%
4" CI
@0.50%
4" CI
4" CI
3" CI
@0.50%
4" CI
@0.00%
6" RCP
@0.50%
8" CI
@0.50%
4" CI
@0.50%
4" CI
@0.45%
4" CI
@0.67%
6" CI
@0.50%
4" CI
@0.50%
6" CI
@0.50%
10" VCP
@4.00%
10" PVC
@1.61%
4" CI
4" CI
@0.43%
18" CI
@1.50%
8" PVC
@0.15%
6" CI
4" CI
@0.00%
6" CI
@0.50%
6" CI6" CI
4" CI
@0.50%
6" CI
6" CI
6" CI
@0.50%
18" RCP
@8.00%
18" RCP
@8.00%
8" CI
6" CI
10" CONC.
24" HDPE
@0.59%
4" CI
@0.50%
4" CI
@0.50%
4" CI
@0.45%
6" CI
@0.50%
18" HDPE
8" PIPE
18" RCP
20" RCP
@15.34%
24" RCP
@10.51%
10" CI
@8.00%
10" VCP
@1.30%
10" CI
@1.03%
8" PVC
@1.30%
8X10 PVC
REDUCER
10" VCP
@1.03%
10" CI
@4.00%
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
CB-126
CB-127
FES-6
CB-138
CB-139
CB-140
CB-141
OCS-8
OCS-9
INV= 1076.03
INV= 1074.19
INV= 1074.17
INV= 1074.15
INV= 1074.15
TD-2A
CB-160
CB-161
CB-162
CB-163
CB-167
7 & 22
7 & 22
7 & 22
7 & 22
7 & 22
7 & 22
7 & 22
7 & 22
D
SUBSURFACE
INFILTRATION
SYSTEM 2A (SIS-2A)
SUBSURFACE
INFILTRATION
SYSTEM 2B (SIS-2B)
4+00
2+50
4+10
D
D
D
D
E
E
E
C
E
D
D
D
D
1. REFER TO SHEET C-001 FOR CIVIL LEGEND, ABBREVIATIONS, AND GENERAL NOTES.
2. SUPPORT AND PROTECT IN PLACE THE EXISTING RETAINING WALLS.
3. SUPPORT AND PROTECT EXISTING UTILITIES UNLESS INDICATED OTHERWISE. CONTRACTOR
SHALL REPAIR ANY DISTURBED UTILITIES.
4. REFER TO SHEETS CU110 TO CU112 FOR PROPOSED STORMWATER PIPES AND STRUCTURES
DETAILS.
5. PROPOSED UNDERGROUND ROOF DRAIN LATERALS SHALL BE A MINIMUM OF 6-INCH DIA,
PVC AND AT A 1% SLOPE. UNDERGROUND ROOF DRAIN LATERALS SHALL HAVE A MINIMUM
COVER OF 1 FOOT. AT LOCATIONS WHERE EXISTING ROOF LATERAL IS FOUND TO BE A
LARGER DIAMETER, CONTRACTOR SHALL FURNISH NEW PIPE OF THE SAME SIZE AND SLOPE
AS THE EXISTING STRUCTURE. CONTRACTOR SHALL FOLLOW INTERNATIONAL PLUMBING
CODE (IPC) AND UNIFORM PLUMBING CODE (UPC) GUIDELINES FOR FITTINGS, CLEANOUTS
AND ROOF DRAIN LATERAL CONNECTIONS.
6. GRAY COLORED KEY NOTE MEANS NOT USED ON THIS SHEET
7. 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.
8. 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. CONTRACTOR SHALL FIELD VERIFY THE LOCATION OF EXISTING UTILITIES AND INFORM THE VA
AND ENGINEERS OF ANY FIELD DEVIATIONS THAT WOULD COMPROMISE OVERALL DESIGN.
9. THE CONTRACTOR SHALL FIELD VERIFY IF EXISTING UTILITIES INTERFERES WITH THE NEW PROPOSED
STORMWATER SYSTEM, IF THE EXISTING UTILITY DOES NOT CONFLICT, THE CONTRACTOR SHALL NOT
DEMOLISH OR FURNISH A NEW UTILITY. IF THE EXISTING UTILITY DOES CONFLICT WITH THE NEW
PROPOSED STORMWATER SYSTEM, THE CONTRACTOR SHALL REPLACE SECTION OF EXISTING
INTERFERING UTILITY TO MAKE INVERTS WORK AND MATCH IN KIND.
CU107
DRAINAGE PLAN
SCALE: 1" = 50'
0 100 150 200
KEY NOTES
NOTES
Project Number
Building Number
Drawing Number
Project Title
Location
Issue Date Checked Drawn
Drawing Title
Approved:
VA FORM 08 - 6231
A
OFFICE OF
CONSTRUCTION
AND FACILITIES
MANAGEMENT
U.S. Department of Veterans Affairs
B
C
D
E
F
A
B
C
D
E
F
21 4 5 6 7 8 9 10
PhaseArchitect/Engineer of Record StampConsultant
321 4 5 6 7 8 9 10
Sprinkler Status
Correct Storm Water Drainage
1970 Roanoke Boulevard Salem, VA 24153-6404
658-23-108
01.28.2026 RBB KRS/PEH
100% FINAL DESIGN
# Revisions Date
Scientists I Engineers I Program Managers
Mabbett & Associates, Inc.
105 Central Street Stoneham, MA 02180-1248
T. 781-275-6050 www.mabbett.com
Mabbett
C
U d w g
Page of 59
S E
E
S
H E
SEE SHEET CU103
S E
E
S
H E
S E
E
S
H E
SEE SHEET CU108
S E
E
S
H E
1. FURNISH AND INSTALL COUPLING TO JOINT CONNECTION. SEE NOTE 2. SEE SHEET CK501, DETAIL F5
2. FURNISH AND INSTALL NEW LADDER RUNGS AND PATCH & MORTAR TOP BRICK LAYER OF STRUCTURE. SEE SHEET CK503, DETAIL C4
3. SEAL OPENING AROUND PIPE INSIDE MANHOLE
4. FURNISH AND INSTALL NEW LADDER RUNGS. SEE SHEET CK503, DETAIL C4
5. RE-ESTABLISH BACKDROP MANHOLE CONNECTION IF DISTURBED DURING WORK
6. PERFORM PIPE LINING AND REPAIR
7. FURNISH AND INSTALL CATCH BASIN & COVER. SEE SHEET CK501, DETAILS D6, E8, F3 & F8
8. PATCH & MORTAR TOP BRICK LAYER OF STRUCTURE
9. PUMP OUT WATER FROM FLOODED CATCH BASIN INLET. CONTRACTOR TO FURTHER INVESTIGATE INLET AND OUTLET
CONNECTIONS TO DETERMINE FLOOD ISSUE WITHIN INLET STRUCTURE
10. FURNISH AND INSTALL PVC PIPING
11. FURNISH AND INSTALL HDPE PIPING
12. FURNISH AND INSTALL MANHOLE & COVER. SEE SHEET CK503, DETAIL C1 AND SHEET CK502, DETAIL F9
13. FURNISH AND INSTALL CATCH BASIN GRATE. SEE SHEET CK501, DETAILS D6 & F8
14. REMOVE INTRUDING ROOT IN PIPE
15. JET OUT AND VACUUM DEBRIS TO REMOVE BLOCKAGE
16. FURNISH AND INSTALL CURB INLET & COVER. SEE SHEET CK503, DETAIL E3
17. FURNISH AND INSTALL RCP PIPING
18. FURNISH AND INSTALL OUTLET CONTROL STRUCTURE. SEE SHEET CK501, DETAIL D4 FOR INFILTRATION POND OCS AND
SHEET CK502, DETAIL C6 FOR SUBSURFACE INFILTRATION CHAMBER OCS
19. FURNISH AND INSTALL FLARED END SECTION. SEE SHEET CK502, DETAIL C1
20. FURNISH AND INSTALL RIP RAP. SEE SHEET CK501, DETAIL C1
21. FURNISH AND INSTALL TRENCH DRAIN. SEE SHEET CK504, DETAIL C6
22. FURNISH AND INSTALL CATCH BASIN HOOD. SEE SHEET CK501, DETAIL F1
23. FURNISH AND INSTALL NEW HEADWALL. SEE SHEET CK502, DETAIL E1
24. RELOCATE EXISTING LIGHT POLE.
25. FURNISH AND INSTALL NEW ELECTRICAL SERVICE. MATCH IN KIND.
26. FURNISH AND INSTALL NEW DI WATER SERVICE. MATCH SIZE IN KIND. SEE SHEET CK505, DETAILS B1, B4, B7, C1 & C4
27. FURNISH AND INSTALL NEW SEWER SERVICE.
Kevin Sifuentes Oval
Kevin Sifuentes Callout
PERFORM SOIL BORING INVESTIGATION HERE FOR STRUCTURE BUOYANCY PURPOSES
Kevin Sifuentes Oval
Kevin Sifuentes Callout
PERFORM SOIL BORING INVESTIGATION HERE FOR STRUCTURE BUOYANCY PURPOSES
E
W
E
D
BLDG . 96
SOUTH PONDBLDG . 31
DD
LOT L
BLDG .
D
D
D
S
X
X
X
X X
X
S
E
D
E
D
X
X
CO
CO
E
CO
CO
D
D D
S
S
E E
E
E
E
GAS
G
A
S
G
A
S
G
A
S
G A
S
GAS GAS
GAS
GAS
GAS
GAS GAS
GAS
GAS
GAS
G A
S
E E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
S
S
G
A
S
GAS
G
A
S
G
A
S
G
A
S
G
A
S
C
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
G
A
S
E
E
E
W
W
W
W
W
W
W
W
E S
S
S
E
E
C
C
E
E
S
S
S
S
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
S
S
EX. HVAC EQUIP.
EX.
SSWR-MHEX. FUEL
TANKS
EX. EMH
EX. TRANS.
EX. TRANS.
EX. FH
EX. SIGN
EX. FH
EX. FDC
EX. EB
EX. EMH
EX. FENCE
W/ GATE
EX.LP
EX.LP
EX. EB
EX. FH
EX. PIV
EX. EMH
EX.LP
EX. FENCE
W/ GATE
EX. GAS
METERS
EX. RET.
WALL
EX. SIGN EX. ELEC.
VAULT
EX. ELEC.
VAULT
EX. FH
EX. WV
EX. OXYGEN
TANK
EX. EMH
EX.
GENERATOR EX. TRANS.
EX.
RIP-RAP
EX.
RIP-RAP
EX.
SSWR-MH
EX.
TRANS.
EX.
SSWR-MH
BOILER
PLANT
X
X
X
S
S
S
S
S
S
S
S
S
S
S
S
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
EX. FENCE
EX.
SSWR-MH
EX. GATE
EX.LP
EX.LP
EX.
SSWR-VAULT
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
EX.
WV
BLDG. 116
X
X
X
X
X
BLDG.
D
D D
D
DMH-33A
CB-48 CB-49
TD-9
CB-52
CB-50
CB-51
HEADWALL-1
CB-47
CB-83
HEADWALL-2
SSMH-13
CB-85
DMH-35A
DMH-68
DMH-69
DMH-70
CB-103
DMH-34
DMH-36
CB-114 DMH-42
DMH
CONTECH
CB-22
CB-23
DMH-40
TD-8
DMH-33
EX.LP
EX. GATE
PLCC CURB
E.O.P.
E.O.P.
E.O.P.
E.O.P.
EX.
RET. WALL
E.
O.
P.
EX
. S
WAL
E
WET VEGETATION AREA
S18" PIPE END
INV. 1079.39
D
D
D
DMH-71
SERVICE TUNNEL
EX.
UNDERGROUND
FUEL TANK LIDS
EX. STORMWATER
DETENTION FACILITY
DMH-41
CITY OF SALEM
CITY OF ROANOKE
20" RCP
4" PVC
15" HDPE
@1.63% 12" PVC
@3.24%
12" CPP
15" HDPE
@4.27%
15" HDPE
15" HDPE
@2.05%
24" HDPE
@7.52% 24" HDPE
@20.00%
24" HDPE
@8.34%
24" HDPE
24" HDPE
@10.41%
8" HDPE (2) 18" HDPE
@0.18% @0.03%
18" RCP
@0.90%
18" HDPE
@9.60%
18" HDPE
12" HDPE
@8.17%
12" HDPE
@0.26%
12" HDPE
@0.50%
4" PVC
8" PVC
@0.15%
@15.34%
12" HDPE
WETLAND DELINEATION BASED ON
"PRELIMINARY JURISDICTIONAL DETERMINATION,
NAO-2023-1077 (MAGGODEE CREEK)", DATED
SEPTEMBER 21, 2023; AND "STREAM AND
WETLAND ID MAP", DEVELOPED BY FROEHLING &
ROBERTSON, INC., DATED APRIL 2023
STREAM LOCATION IS BASED ON "PRELIMINARY
JURISDICTIONAL DETERMINATION, NAO-2023-1077
(MAGGODEE CREEK)", DATED SEPTEMBER 21, 2023;
AND "STREAM AND WETLAND ID MAP", DEVELOPED BY
FROEHLING & ROBERTSON, INC., DATED APRIL 2023
D
D
D
D
D
D
D
25 FT VEGETATIVE WETLAND BUFFER
SUBSURFACE
INFILTRATION SYSTEM
3A (SIS-3A)
D
D
D
D
D
D
D
D
D
D
D
D
D
DMH-160
DMH-161
CB-157
CB-158
DMH-162
INV= 977.75
INV= 977.75
OCS-10
D
D
SUBSURFACE
DETENTION SYSTEM
3 (SDS-3)
SUBSURFACE
INFILTRATION SYSTEM
3B (SIS-3B)
D
D
D
DMH-164
HEADWALL-1A
4+14
1+50
D
D
D
D
D
DMH-173
DMH-172
5+84
INV= 984.00
INV= 987.20
D
D
D
D
1. REFER TO SHEET C-001 FOR CIVIL LEGEND, ABBREVIATIONS, AND GENERAL NOTES.
2. SUPPORT AND PROTECT IN PLACE THE EXISTING RETAINING WALLS.
3. SUPPORT AND PROTECT EXISTING UTILITIES UNLESS INDICATED OTHERWISE. CONTRACTOR
SHALL REPAIR ANY DISTURBED UTILITIES.
4. REFER TO SHEETS CU110 TO CU112 FOR PROPOSED STORMWATER PIPES AND STRUCTURES
DETAILS.
5. PROPOSED UNDERGROUND ROOF DRAIN LATERALS SHALL BE A MINIMUM OF 6-INCH DIA,
PVC AND AT A 1% SLOPE. UNDERGROUND ROOF DRAIN LATERALS SHALL HAVE A MINIMUM
COVER OF 1 FOOT. AT LOCATIONS WHERE EXISTING ROOF LATERAL IS FOUND TO BE A
LARGER DIAMETER, CONTRACTOR SHALL FURNISH NEW PIPE OF THE SAME SIZE AND SLOPE
AS THE EXISTING STRUCTURE. CONTRACTOR SHALL FOLLOW INTERNATIONAL PLUMBING
CODE (IPC) AND UNIFORM PLUMBING CODE (UPC) GUIDELINES FOR FITTINGS, CLEANOUTS
AND ROOF DRAIN LATERAL CONNECTIONS.
6. GRAY COLORED KEY NOTE MEANS NOT USED ON THIS SHEET
7. 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.
8. 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. CONTRACTOR SHALL FIELD VERIFY THE LOCATION OF EXISTING UTILITIES AND INFORM THE VA
AND ENGINEERS OF ANY FIELD DEVIATIONS THAT WOULD COMPROMISE OVERALL DESIGN.
9. THE CONTRACTOR SHALL FIELD VERIFY IF EXISTING UTILITIES INTERFERES WITH THE NEW PROPOSED
STORMWATER SYSTEM, IF THE EXISTING UTILITY DOES NOT CONFLICT, THE CONTRACTOR SHALL NOT
DEMOLISH OR FURNISH A NEW UTILITY. IF THE EXISTING UTILITY DOES CONFLICT WITH THE NEW
PROPOSED STORMWATER SYSTEM, THE CONTRACTOR SHALL REPLACE SECTION OF EXISTING
INTERFERING UTILITY TO MAKE INVERTS WORK AND MATCH IN KIND.
CU108
DRAINAGE PLAN
SCALE: 1" = 50'
0 100 150 200
KEY NOTES
NOTES
Project Number
Building Number
Drawing Number
Project Title
Location
Issue Date Checked Drawn
Drawing Title
Approved:
VA FORM 08 - 6231
A
OFFICE OF
CONSTRUCTION
AND FACILITIES
MANAGEMENT
U.S. Department of Veterans Affairs
B
C
D
E
F
A
B
C
D
E
F
21 4 5 6 7 8 9 10
PhaseArchitect/Engineer of Record StampConsultant
321 4 5 6 7 8 9 10
Sprinkler Status
Correct Storm Water Drainage
1970 Roanoke Boulevard Salem, VA 24153-6404
658-23-108
01.28.2026 RBB KRS/PEH
100% FINAL DESIGN
# Revisions Date
Scientists I Engineers I Program Managers
Mabbett & Associates, Inc.
105 Central Street Stoneham, MA 02180-1248
T. 781-275-6050 www.mabbett.com
Mabbett
C
U d w g
Page of 59
S E
E
S
H E
SEE SHEET CU107
S E
E
S
H E
1. FURNISH AND INSTALL COUPLING TO JOINT CONNECTION. SEE NOTE 2. SEE SHEET CK501, DETAIL F5
2. FURNISH AND INSTALL NEW LADDER RUNGS AND PATCH & MORTAR TOP BRICK LAYER OF STRUCTURE. SEE SHEET CK503, DETAIL C4
3. SEAL OPENING AROUND PIPE INSIDE MANHOLE
4. FURNISH AND INSTALL NEW LADDER RUNGS. SEE SHEET CK503, DETAIL C4
5. RE-ESTABLISH BACKDROP MANHOLE CONNECTION IF DISTURBED DURING WORK
6. PERFORM PIPE LINING AND REPAIR
7. FURNISH AND INSTALL CATCH BASIN & COVER. SEE SHEET CK501, DETAILS D6, E8, F3 & F8
8. PATCH & MORTAR TOP BRICK LAYER OF STRUCTURE
9. PUMP OUT WATER FROM FLOODED CATCH BASIN INLET. CONTRACTOR TO FURTHER INVESTIGATE INLET AND OUTLET
CONNECTIONS TO DETERMINE FLOOD ISSUE WITHIN INLET STRUCTURE
10. FURNISH AND INSTALL PVC PIPING
11. FURNISH AND INSTALL HDPE PIPING
12. FURNISH AND INSTALL MANHOLE & COVER. SEE SHEET CK503, DETAIL C1 AND SHEET CK502, DETAIL F9
13. FURNISH AND INSTALL CATCH BASIN GRATE. SEE SHEET CK501, DETAILS D6 & F8
14. REMOVE INTRUDING ROOT IN PIPE
15. JET OUT AND VACUUM DEBRIS TO REMOVE BLOCKAGE
16. FURNISH AND INSTALL CURB INLET & COVER. SEE SHEET CK503, DETAIL E3
17. FURNISH AND INSTALL RCP PIPING
18. FURNISH AND INSTALL OUTLET CONTROL STRUCTURE. SEE SHEET CK501, DETAIL D4 FOR INFILTRATION POND OCS AND
SHEET CK502, DETAIL C6 FOR SUBSURFACE INFILTRATION CHAMBER OCS
19. FURNISH AND INSTALL FLARED END SECTION. SEE SHEET CK502, DETAIL C1
20. FURNISH AND INSTALL RIP RAP. SEE SHEET CK501, DETAIL C1
21. FURNISH AND INSTALL TRENCH DRAIN. SEE SHEET CK504, DETAIL C6
22. FURNISH AND INSTALL CATCH BASIN HOOD. SEE SHEET CK501, DETAIL F1
23. FURNISH AND INSTALL NEW HEADWALL. SEE SHEET CK502, DETAIL E1
24. RELOCATE EXISTING LIGHT POLE.
25. FURNISH AND INSTALL NEW ELECTRICAL SERVICE. MATCH IN KIND.
26. FURNISH AND INSTALL NEW DI WATER SERVICE. MATCH SIZE IN KIND. SEE SHEET CK505, DETAILS B1, B4, B7, C1 & C4
27. FURNISH AND INSTALL NEW SEWER SERVICE.
Kevin Sifuentes Oval
Kevin Sifuentes Oval
Kevin Sifuentes Callout
PERFORM SOIL BORING INVESTIGATION HERE FOR STRUCTURE BUOYANCY PURPOSES
Kevin Sifuentes Line
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File details come from the government source that posted it. Updated .