Drawing - 13.21_M703 - MECHANICAL CONTROLS.pdf
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- Attached to
- Z1DA--Modernize Building 22 506-21-102 Federal contract opportunity
- Solicitation number
- 36C25023B0005
About this file
This document contains a pre-solicitation notice and related federal contract opportunity for modernization work at the Veterans Affairs Medical Center in Ann Arbor, Michigan. The pre-solicitation announces the Department of Veterans Affairs' intent to issue an invitation for bids around November 30th, 2022 for project 506-20-102 to modernize Building 22 at the LTC Charles S. Kettles VAMC located in Ann Arbor. The work includes furnishing all labor, materials, equipment, tools and supervision as specified in the drawings and specifications to complete the project. The magnitude of cost is estimated between $5 million to $10 million. The acquisition is a 100% set-aside for qualified Service-Disabled Veteran Owned Small Businesses. The eventual contract will be a firm fixed price awarded within 120 days of bid opening. All questions must be submitted in writing to the specified contracting officer by the given date.
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Text version
ADR-2-1
SST-2
SST-1
ADR-2-2 ADR-2-3
ADR-1-1 ADR-1-2
1st Floor
Ground Floor
Penthouse
St
St
St
EV-L1-07
DUCT PROBE
EV-L1-04
DUCT PROBE
EV-L1-03
DUCT PROBE
St St
EV-01-03
DUCT PROBE
EV-L1-08
DUCT PROBE
St
EV-L1-15
DUCT PROBE
St St
EV-L1-21
DUCT PROBE
EV-L1-10
DUCT PROBE
St St
EV-L1-09
DUCT PROBE
EV-L1-13
DUCT PROBE
AIRCUITY CONTROL
GENERAL
THE EXISTING AIRCUITY SYSTEM SHALL BE INTEGRATED INTO THE NEW LAB CONTROLLERS. THE SENSOR SUITE AND ITS ASSOCIATED SETPOINTS SHALL REMAIN. DUCT
PROBES SHALL BE INSTALLED IN THE EXHAUST AIRSTREAM IN-LINE OF THE VENTURI VALVE TAGGED BELOW AND CONNECTED TO THE AIR DATA ROUTER TAGGED BELOW.
INTEGRATE THE AIRCUITY OUTPUT SIGNAL GENERATED FROM THE AIR SAMPLES INTO THE NEW LAB CONTROLLERS.
EXHAUST FAN SEQUENCE OF OPERATION: 22-EF-5
GENERAL
THE EXHAUST FAN SHALL FUNCTION CONTINUOUSLY. THE FANS SHALL BE CONTROLLED WITH DIRECT DIGITAL
CONTROL ACCORDING TO THE FOLLOWING SEQUENCES.
H-O-A SWITCH SHALL BE KEPT IN THE "AUTO" POSITION. "HAND" AND "OFF" POSITIONS SHALL BE USED ONLY FOR
MAINTENANCE.
ALL SETPOINTS SPECIFIED IN THIS SEQUENCE SHALL BE ADJUSTABLE.
FAN OPERATION
THE EXHAUST FAN BYPASS DAMPER SHALL MODULATE OPEN TO MAINTAIN THE EXHAUST AIR STATIC PRESSURE
SETPOINT DETERMINED BY THE TEST AND BALANCE CONTRACTOR.
ALARMS
SEND ALARM TO THE OPERATOR WORKSTATION UPON FAILURE OF THE EXHAUST FAN. THE EXHAUST FAN SHALL BE
STARTED/STOPPED MANUALLY AT THE DIGITAL CONTROL PANEL.
SEND ALARM TO THE OPERATOR WORKSTATION AND SHUT DOWN THE EXHAUST FANS IF THE EXHAUST AIR STATIC
PRESSURE FALLS BELOW -3".
ITBI - Exhaust Fan 2 Status
To Segregated Compounding Pharmacy
Starter
ZC
NC
AO -Exhaust Fan Bypass Damper
SPS
See Location on Floor Plans
AI - Exhaust Air Static Pressure
Gravity Backdraft Damper
BO - Exhaust Fan Start/Stop
BI - Exhaust Fan Fault
22-EF-5 Hardware Points Software Points
Point Name AI AO BI BO AV BV Loop Sched Trend Alarm Show On
Graphic
Exhaust Air Static Pressure x x x x
Exhaust Fan Bypass Damper x x x
Exhaust Fan Status x x x
Exhaust Fan Fault x x x
Exhaust Fan Start/Stop x x x
Exhaust Air Static Pressure Setpoint x x x
AIR TERMINAL UNITS Hardware Points Software Points
Point Name AI AO BI BO AV BV Loop Sched Trend Alarm Show On
Graphic
Airflow x x x x
Zone Damper x x x
Discharge Air Temperature x x x
Control Valve x x x
Room Temperature x x x
Room Humidity x x x
Airflow Setpoint x x x
ROOM THERMOSTAT/SENSOR
WALL MOUNTED
48" [1200mm] AFF.
NO SUPPLEMENTAL HEATING
A
IR
F
LO
W
(C F
M
ROOM TEMPERATURE (°F)
HEATING
MINIMUM
VAV BOX CONTROL SEQUENCE
SP
TU
RHC
HWS
HWR
V-1
REHEAT
COIL
AIR
TERMINAL
UNIT
AIR
FLOW
TE
ATU
CONTROLLER
PC
TE
ROOM TEMPERATURE (°F)
SP
NO DEADBAND
VAV BOX CONTROL SEQUENCE
W/DEADBAND
100%
REHEAT FLO
W VAV A
IR
F
LO
W
A. UPON FALL IN SPACE TEMPERATURE THE VAV
DAMPER WILL MODULATE TO MINIMUM POSITION.
B. UPON FURTHER DROP IN SPACE TEMPERATURE
VALVE V-1 WILL MODULATE TO MAINTAIN SET POINT
± .5°F. THE ADJUSTABLE TOLERANCE OF ± .5°F HAS
BEEN SELECTED TO PREVENT VALVE HUNTING
C. THE REVERSE SHALL OCCUR ON THE RISE IN SPACE
TEMPERATURE.
A. SET POINTS SHALL BE SET AS FOLLOWS:
COOLING 75°F (ADJ)
HEATING 70°F (ADJ)
DEADBAND OF 5°F BETWEEN HEATING AND COOLING
SET POINTS WILL BE MAINTAINED.
B. UPON FALL IN SPACE TEMPERATURE THE VAV
DAMPER WILL MODULATE TO MINIMUM POSITION.
C. UPON FURTHER DROP IN SPACE TEMPERATURE
VALVE V-1 WILL MODULATE TO MAINTAIN SET POINT
± .5°F. THE ADJUSTABLE TOLERANCE OF ± .5°F HAS
BEEN SELECTED TO PREVENT VALVE HUNTING.
D. THE REVERSE SHALL OCCUR ON THE RISE IN SPACE
TEMPERATURE.
FE
A
IR
F
LO
W
(C F
M
100%
HEATING
MINIMUM
R
EH
EAT FLO
W
VA
V
AI
R
F
LO
W
NEW EMCS
SPACE
T
HVAC
MS
SPLIT SYSTEM SECONDARY
DRAIN PAN (TYP)
RETURN
DAMPER
M
VAV-124
M
CONTROLS SEQUENCE:
CONTROLS FOR UNITARY EQUIPMENT SERVING ROOM ARE STAND ALONE
TYPE. CONTRACTOR SHALL PROVIDE PROGRAMMABLE THERMOSTAT (WALL
MOUNTED) TO CONTROL TO THE SETPOINTS AND SCHEDULES LISTED BELOW.
THE CONTROL DIAGRAM AND POINTS LISTED ON THIS SHEET SHOWS SENSORS
USED FOR CENTRAL MONITORING AND ALARMS. SENSORS AND POINTS ARE IN
ADDITION TO CONTROLS REQUIRED FOR OPERATION OF THE UNITARY
CONDITIONING EQUIPMENT.
EQUIPMENT SETPOINTS:
COOLING (ACCU-1): 73 DEG F
ANALOG ALARM SETPOINT:
TEMPERATURE LOW: 62 DEG F
TEMPERATUER HIGH: 83 DEG F
OPEN VAV AND MOTORIZED RETURN DAMPER.
POINT TYPE ALARMS
POINT DESCRIPTION
G R
A P
H
IC
H A
R D
W A
R E
IN
P U
T
H A
R D
W A
R E
O U
T P
U T
S O
F T
W A
R E
P O
IN
T
D E
F A
U L
T V
A L
U E
H
IG
H A
N A
L O
G L
IM
IT
L O
W A
N A
L O
G L
IM
IT
B
IN
A R
Y
L A
T C
H D
IA
G
N O
S T
IC
S E
N S
O R
F A
IL
C O
M M
U N
IC
A
T
IO
N F
A
IL
D
IA
G N
O S
T
IC
S
NOTES
EMCS UNITARY AIR CONDITIONING UNITS - ALARM
MONITORING
ZONE SENSOR
ZONE TEMPERATURE X AI X X X SENSOR FAILURE 1, 2
DRAIN PAN MOISTURE X BI X X X SENSOR FAILURE 1
TERMINAL UNIT X AO X X 2
MOTORIZED RETURN DAMPER X BO X X
BAS COMMUNICATION STATE X X X
KEY:
A = ANALOG, B = BINARY, I = INPUT, O = OUTPUT
NOTES:
1. SENSOR FOR MONITORING AND ALARMS ONLY.
2. SENSOR TO ACTIVATE RETURN DAMPER AND TERMINAL UNIT. TERMINAL UNIT SHALL OPERATE IN CONSTANT VOLUME MODE BASED ON AIR TERMINAL
UNIT SEQUENCE.
Project Number
Building Number
Drawing Number
Project Title
Location
Issue Date Checked Drawn
Drawing Title
VA FORM 08 - 6231
A
FULLY SPRINKLERED
U.S. Department of Veterans Affairs
B
C
D
E
A
B
C
D
E
F
21 4 5 6 7 8 9 10
Phase
ARCHITECT/ENGINEER OF RECORD STAMPCONSULTANT
321 4 5 6 7 8 9 10
A u to d e s k D o c s /A n n A rb o r
V A
M o d e rn iz e B ld g
/F
F E
A n n A rb o r
M o d e rn iz e
B
M E
P rv t
/1
/2
:2
:5
P
M
M703
MECHANICAL CONTROLS
09/02/2022 KF JV
MODERNIZE BUILDING 22 506-21-102
ANN ARBOR, MICHIGAN
100% BID DOCUMENTS
ANN ARBOR
VAMC
Approved: Veteran's Affairs Medical Center
NTS
SIMPLIFIED CONTROL DIAGRAM - OIT 161, TR G13
No. Revisions: Date:
100% BID DOCUMENTS 09/02/2022
1 ADDENDUM 01 02/14/2023
09/02/2022
NTS
POINTS LIST - OIT 161, TR G13
| Sheets |
| M703 - MECHANICAL CONTROLS |
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