2.4.4. DOAS sequence.pdf
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- Solicitation number
- 36C25621R0059
About this file
This document contains a flow diagram and sequence of operations for DOAS AHUs to be used in the design and construction of COVID-19 inpatient HVAC modifications for the Southeast Louisiana Veterans Health Care System. The flow diagram shows the mechanical equipment and controls configuration for typical DOAS AHUs to allow toggling between normal recirculation mode and 100% outside air pandemic mode. The sequence of operations provides control logic for the AHUs, heat recovery wheel, exhaust air, outside air intake, and related sensors and actuators. This is a two-phase design-build acquisition where all qualified SDVOSB offerors may submit proposals for Phase I, and selected Phase II offerors will then be invited to submit more detailed proposals and attend an on-site project visit. The work includes designing and building modifications to enable pandemic mode operation for inpatient areas at the Southeast Louisiana Veterans Health Care System per the provided scope of work.
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Text version
OA
NUM BER
01-AHU-1-
1.vsd
REVIS ION
INFO RM ATION
11/27/17
03:43 PM
extra
DATE
TIME
FILE NA ME
AHU-xA EF
EF-C (SST)
EF-AMPS (IT-2)
EF-O (SC)
EF-VFD-A (EF-AIA)
COMM: MS/TP
EFVFD
SAPFILT-DP
(DPS-1)
DAPLO-A
(PSL-1)
L H
AHU-xA SF
SF-C (SST)
SF-AMPS (IT-1)
SF-O (SC)
SF-VFD-A (SF-AIA)
COMM: MS/TP
SFVFD
FAN WALL
480/3Ø
VFD
AI3C
BO2C
INFC
OUTFC#22
3C
#22 xF-O AO 2C
SC-1 2C SDR-1
BI 2CxFVFD-A
2C
Typical Fan VFD Points
SC
Fire Alarm
System Shutdown Contact
Furnished By Others
See 01-AHU-1-6 for BOM
EA
EXH-ENT-T
(T-5)
EA-P
(SPS-2)
LH
Locate in bottom of riser with probes in shaft and sensor outside of shaft.
(Coordinate with MCC contractor)
EXH-ENT-H
(MT-4)
EAP1LO-A
(PSL-2)
L H
SC
EAPFILT-DP
(DPS-2)
N C
EAD-C (D-5)
EXH-LVG-T
(T-6)
EAP2LO-A
(PSL-3)
L H
EA-F
(FT-2)
EA
OAD-S
(ES-1)
N C
OAD-C (D-1) WEA-H
(MT-1)
WLA-H
(MT-2)
WLA-T
(T-4)
DAPHI-A
(PSH-1)
L H
OA-F
(FT-1)
DA-SD
(SD-1)
DA-P
(SPS-1)
LH
COMM: MS/TP
HRW
xF-AMPS xF-C2C
INFC
OUTFC#22
#22
HRW-O AO 2C
SC-1 2C SDR-1
BI 2CHRWVFD-A
2C
Heat Recovery Wheel VFD Points
WEA-T
(T-1)
UPS-A
UPS Alarm Monitor Only
SC
EAPHI-A
(PSH-2)
L H
SC
To AHU
SDR-2
SDR-1
By Others
Fire Alarm System
Shutdown Contact
Furnished By Others
SC
3P20-0002
Drawing Title
David LanouetteReid HedrickHunter Hatten
Johnson Controls 2835 Hessmer Ave Metairie, LA 70002 Phone: 504-875-7796 Fax: 504-779-8520
REFERENCE DRA WING
DOAS AHU 0MH801 FD
01-AHU-1-1
Project Title
NO. REVIS ION-LOCA TIO N ECN DATE BY
Sales Engineer Pro ject Manager Applic ation Engineer
BY DATE BY DATE
DRA WN AP PROVED
Branch In form ation CONTRACT NUM BER
DRA WING NUMBE R
Flow Diagram Typical of 01-5B1-AHU-1A, 01-5C1-AHU-2A
NOVA BAS COMBINED
Southeast Louisiana Veterans Healthcare System Replacement Hospital No. 629HS2401
DOAS AHU 0MH801 Flow Diagram Typical of 01-5B1-AHU-1A, 01-5C1-AHU-2A
FA2-S
FA1-S
AI2C
BO2C
HRW-AMPS
HRW-C2C
HRW
VFD
See 01-AHU-1-2 for Sequence
EA
From AHU
EF
VFD
Fan Wall VFD (see VFD schedule)
EAD-S
(ES-5)
SF
VFD
Fan Wall VFD (see VFD schedule)
H E
A T
R E
C O
V E
R Y
W H
E E
L
OA-T
(T-7)
LOCATED IN THE SHADE ON THE
NORTH SIDE OF THE BUILDING
Full Scale Range AHU-1A: 20,000cfm AHU-2A: 20,000cfm
Full Scale Range AHU-1A: 35,000cfm AHU-2A: 35,000cfm
NUM BER
01-AHU-1-
2.vsd
REVIS ION
INFO RM ATION
11/27/17
03:43 PM
extra
DATE
TIME
FILE NA ME
3P20-0002
Drawing Title
David LanouetteReid HedrickHunter Hatten
Johnson Controls 2835 Hessmer Ave Metairie, LA 70002 Phone: 504-875-7796 Fax: 504-779-8520
REFERENCE DRA WING
DOAS AHU 0MH801 SOO
01-AHU-1-2
Project Title
NO. REVIS ION-LOCA TIO N ECN DATE BY
Sales Engineer Pro ject Manager Applic ation Engineer
BY DATE BY DATE
DRA WN AP PROVED
Branch In form ation CONTRACT NUM BER
DRA WING NUMBE R
Sequence of Operations
NOVA BAS COMBINED
Southeast Louisiana Veterans Healthcare System Replacement Hospital No. 629HS2401
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