P-401 Revised Enlarged Plumbing Plan.pdf
PDF 991 KB Posted
- Attached to
- Z1DA--CONS BLDG 1 and Clinical Addition Legionella Eradication Project Number 540-20-103
- Solicitation number
- 36C24525B0008
About this file
This is a detailed plumbing engineering drawing (P-401) for a Legionella Eradication project at the Louis A. Johnson VA Medical Center in Clarksburg, West Virginia. The drawing focuses on an enlarged domestic water plan for Mechanical Room B125, showing complex piping schematics with multiple valve configurations, pipe sizes, and connections. Key technical elements include chlorine sensors, backflow preventers, isolation valves, temperature sensors, and recirculation pumps, with specific annotations for demolition and modification of existing water infrastructure. The drawing indicates work on domestic cold water (DCW), domestic hot water (DHW), and domestic hot water return (DHWR) systems, with detailed routing through various building risers and connections to heat exchangers, chlorine injectors, and water monitoring systems.
The project is part of a broader effort to address potential Legionella risks, with specific requirements including demolishing dead legs, installing end-of-loop water temperature monitoring stations, connecting to the existing Metasys Building Automation System, and insulating uninsulated domestic hot water return piping. The drawing is part of bid documents dated April 22, 2025, with an addendum issued on September 12, 2025, and is prepared by Apogee Consulting Group for the VA Office of Construction and Facilities Management.
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Text version
10 12
B
C
10 12
B
C
PRESSURE
GAUGE, 116 PSI
S
CHLORINE SENSOR
BACKFLOW
PREVENTER
PRV WITH BYPASS
VALVE NC
NC
TO FD
NC
3/8'' CHLORINE
CONNECTION
3/4'' TO DRAIN
1/2'' DCW TO EX. WQMS
VALVE IN VERTICAL
TO CHLORINE INJECTOR
BALANCING VALVE IN RISE
S
CHLORINE SENSOR
ISOLATION AND
PRESSURE REGULATING
VALVES IN VERTICAL
2'' DCW UP TO 1ST FLR
ISOLATION VALVE IN VERTICAL
DL
0-042
CHLORINE CONNECTION
WITH ISOLATION AND CHECK
VALVES IN VERTICAL
3/4'' TO HEATING WATER
MAKE-UP
ISOLATION VALVE IN VERTICAL
TO / FROM HEAT EXCHANGER #1
TO / FROM HEAT EXCHANGER #2
ISOLATION VALVE IN
VERTICAL
NC
DL
0-041
DL
0-040
NC
4" DCW
2" DCW
D C
W
D C
W
D C
W
1/2" DCW
1/2" DCW
DL
0-027
2"
2"
2"
2"
NC
TO CHLORINE INJECTOR
2"ISOLATION VALVE IN
VERTICAL
S
CHLORINE SENSOR
1 1/4"
4"
2"
VALVE IN VERTICAL DL
0-039
D H
W
D H
W
D H
W
1 1/4'' DHW UP TO 1ST FLR
D H
W
1 1/4" DHWR
2" DHW
2" DHW
1 1/4" DHWR
3" DHW
1" DHWR
1 1/4" DHWR
1/2" DCW
3/4" DHWR
3/4'' DHWR FROM 1ST FLR
VALVE IN VERTICAL, NC
ISOLATION
VALVE IN
VERTICAL, NC
#1
NC
S
TEMPERATURE
SENSOR
3/4" DHWR
1" DHWR
DL
0-044
DL
0-045
MECH
B 125
B 126
RECIRCULATION PUMP
1-WTMS-3
"TO KITCHEN"
TO B 128 PIPE CHASE
"BOILER PLANT/LAUNDRY"
FROM RISER 26
FROM RISER 32
1-WTMS-2
FROM RISER 29
FROM RISER 33
FROM RISER 27
FROM RISER 20
FROM RISER 37
FROM RISER 21
FROM RISER 39
FROM RISER 7
FROM RISER 2
FROM RISER 58
FROM RISER 55
VALVE NC
AFTER NEW
WATER
HEATER IS
INSTALLED IN
BLDG. 7
1-WTMS-1
EXISTING CHLORINE INJECTOR
4'' DCW TO TUNNEL
3/4'' TO HEATING WATER
MAKE-UP
BACKFLOW PREVENTER
4" DCW
D C
W
2'' DCW, 4'' DHW, 3/4''
DHWR THROUGH WALL
4'' SERVICE WATER FROM WALL
BACKFLOW
PREVENTER
PRESSURE REDUCING VALVE
2'' TO FLOOR DRAIN
BYPASS VALVE, NC
4'' DCW & 3/4'' DHWR
INTO WALL
74 PSI
3/4'' DHWR FROM 1ST FLR
1 1/4'' DHW TO 1ST FLR
2'' DCW TO 1ST FLR
3/4'' DHWR FROM 1ST FLR
TO CHLORINE INJECTOR
3" DHW
2" DHW
2" DHW
4" DHW
1" D
HW
R 1 1/4" D
HW
R
D H
W
D H
W
2" DHW
2" D
HW
2" D
HW
3" DCW
3/4" DHW
R
4" DCW 2" DCW
TO / FROM HEAT
EXCHANGER #2
TO / FROM HEAT
EXCHANGER #1
3/8'' CHLORINE
CONNECTION
3/4'' TO DRAIN
CHLORINE
CONNECTION
116 PSI
84 PSI
90 PSI
#4
#3
#2
1" DHWR
1 1/4" DHWR
1/2" DCW
EX. DHWR
PUMP
EX. DHWR
PUMP
EX. DHWR
PUMP
EX. DHWR
PUMP
EXISTING CHLORINE INJECTOR
WQMS
EX. DHWR
PUMP
1/4'' DHWR TO
PULSATRON
ELECTRONIC METERING
PUMP
1/2" D
CW
1 1/4" D
HW
3/4" D
HWR 3/4" D
HWR
2" D
CW
2'' DHW INTO WALL
2'' DHW TO TUNNEL
1 1/4'' DHWR FROM TUNNEL
3'' DHW TO TUNNEL
1'' DHWR FROM TUNNEL
DL
0-039
DL
0-045
DL
0-041
DL
0-044
NC
#1
DL
0-040
Engineers Architects
# KEY NOTES:
# KEY NOTES:
Revisions: Date
Drawing Title
Approved
Project Title
Location
VA PROJECT NUMBER
Building Number
Drawing Number
Dwg of
VA FORM 08-6231
Office of Construction and Facilities Management
CONSULTANTS: PROJECT MANAGER
Date Checked Drawn
FULLY SPRINKLERED
ACG Project Number
Headquarters:
Apogee Consulting Group, P.A.
1151 Kildaire Farm Road, Suite 120 Cary, North Carolina 27511 www.acg-pa.com 919-858-7420 U.S. Department of Veterans Affairs# © COPYRIGHT Apogee Consulting Group, P.A.
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B L D
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P-401
ENLARGED PLUMBING PLANS
34 48SMR
ERADICATE LEGIONELLA
LOUIS A. JOHNSON VA MEDICAL CENTER
1 MEDICAL CENTER DRIVE
CLARKSBURG, WV 23601 APRIL 22, 2025
BID DOCUMENTS
540-20-10322-144
WX
Scale: 1/2" = 1'-0"
ENLARGED DOMESTIC WATER PLAN - MECH RM B125
Scale: No Scale
ISOMETRIC DOMESTIC WATER PLAN - MECH RM B125
N O
R T
H
0 1 2 4
1 DEMOLISH DEAD LEG PER PLUMBING DEMOLITION
GENERAL NOTE 13.
2 DEMOLISH RISER ON THIS FLOOR PER PLUMBING
DEMOLITION GENERAL NOTE 13.
3 DEMOLISH DCW AS INDICATED AND CAP WITHIN
TWO PIPE DIAMETERS OF MAIN.
1 PROVIDE END-OF-LOOP WATER TEMPERATURE
MONITORING STATION. CONNECT THE STATION
TO EXISTING METASYS BAS.
3 INSULATE UNINSULATED DHWR PIPING.
1 ADDENDUM 03 09/12/2025
Docusign Envelope ID: 84578B55-FD2C-4A6A-B1EE-BF60E6B04311
| Sheets |
| P-401 - ENLARGED PLUMBING PLANS |
| 2025-09-18T08:28:04-0700 | |
| Digitally verifiable PDF exported from www.docusign.com |
File details come from the government source that posted it. Updated .