50-M505.pdf
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- Attached to
- Y1DA--Expand and Renovate Emergency Department B50 Minor Construction - Tucson VAMC (VA-24-00001448)
- Solicitation number
- 36c77623r0191
About this file
This document appears to be a set of mechanical drawings and details for an air handling unit (AHU-5) as part of the "Expand and Renovate Emergency Department B50" project at the Tucson Veterans Affairs Medical Center.
The drawings provide detailed information on the AHU-5 system components, including the bubble tight dampers, filters, fans, cooling coil, humidifier, and associated piping and electrical requirements. Additional details are provided for the overall HVAC system layout, ductwork support, and refrigerant piping. The drawings reference adherence to seismic requirements and include specific product information such as duct insulation and roof mounting equipment.
This document supports the federal contract opportunity for the "Expand and Renovate Emergency Department B50 Minor Construction" project at the Tucson VAMC, which has a solicitation number of 36c77623r0191.
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Text version
5 6 7
ACCESS VIEW
PLAN VIEW SYSTEM COMPONENT SCHEDULE:
BUBBLE TIGHT DAMPER1
HOUSING SECTION2
BUBBLE TIGHT DAMPER3
MOUNTING BASE4
LIFTING LUG5
UPSTREAM SAMPLE PORT - 3/8" HALF COUPLING6
GAGE PANEL7
WEATHER HOOD8
EA
EA
EA
EA
EA EA
NOTE:
SEE HEPA FILTER HOUSING SCHEDULE ON M600 SERIES DRAWINGS
CABINENT
STORAGE AREA
PLATE TO
PLATE HEAT
EXCHANGER
3x2 EXHAUST
FAN ARRAY
SERVICE VESTIBULE
EXHAUST DAMPER
38x52
OA INLET
24x140
PLAN VIEW - TOP TIER
6"
MARINE LIGHTS (TYP.)
8' - 1"
44' - 7"
12' - 0"
9,000 LBS 15,100 LBS 13,400 LBS 9,500 LBS 8,900 LBS
11' - 8" 6' - 11" 5' - 11"
6'
- 8
MERV 8
PRE-FILTER
SERVICE VESTIBULE
RELIEF DAMPER
CHILLED
WATER
COOLING
COIL
MERV 8
FILTERS
EXHAUST
DAMPER
8x78
RETURN
DAMPER
18x100
AUTOMATIC TRANSFER SWITCH
(SEE ELECTRICAL DRAWINGS)
PNL: AHU5-EQ
480Y/277V PANEL
(SEE ELECTRICAL
DRAWINGS)
SERVICE VESTIBULE
HUM-5
270 LBS/HR
3x2 SUPPLY
FAN ARRAY
MERV 14
FINAL FILTERS
SUPPLY
DISCHARGE
24"x80"
OA INLET
24x140
MERV 8 & 11
FILTERS
OA BYPASS
DAMPER
34x50
PLATE TO
PLATE HEAT
EXCHANGER
OA
SHIPPING SPLIT (TYP.)
REFER TO STRUCTURAL DRAWINGS FOR
INTERMEDIATE SUPPORTS AT EACH
SHIPPING SPLIT.
PLAN VIEW - BOTTOM TIER
STEAM HUMIDIFER
MANIFOLD
MERV 14 FINAL FILTERS
QTY: 12 (24x24)
CABINET STORAGE AREA
3x2 SUPPLY
FAN ARRAY
3/4" TYPE L OR M COPPER
CONDENSATE ROUTED TO
NEAREST ROOF DRAIN.
8x78 EA18x100 RA
RA EA
FLEX CONNECTION
(TYP.)
24x80 SA
SA
DSD
0"
SIDE VIEW
COOLING
COIL
MERV 8 & 11 FILTERS
QTY: 12 (24x24)
MERV 8 FILTERS
QTY:12 (24x24)
INTEGRAL
MOTORIZED
DAMPER
(TYP.)
3x2 EXHAUST
FAN ARRAY
MIN OA
DAMPER
12x112
MAX OA
DAMPER
22x114
MERV 8
PRE-FILTERS
QTY: 12 (12x12)
OA
OA
8" C-CHANNEL
STEEL BASE FRAME
SERVICE VESTIBULE - PIPING
HUM-5
270 LBS/HR 4" CHWS / CHWR DN
COOLING COIL
CONDENSATE DRAIN
3/4" STEAM
GENERATOR MAIN
AND PAN DRAIN
HUMIDIFIER
CONDENSATE DRAIN
DRAIN (ROUTED
BELOW VESTIBULE)
CLEAN STEAM
STEAM
HUMIDIFER
MANIFOLD
STEAM
HUMIDIFIER
COOLING
COIL
ROOF DRAIN
EXHAUST DAMPER
38x52
R.O. WATER
(SEE PLUMBING
DRAWINGS)
x3
EA
EA
1" D
TRANSFORMER
(SEE ELECTRICAL DRAWINGS)
PNL: AHU5-ELEQ (SEE
ELECTRICAL DRAWINGS)
REMOTE DUCT
DETECTOR TEST UNIT
(SEE ELECTRICAL DRAWINGS)
EXHAUST FAN VFDS, QTY: 6 (2 x 3)
FURNISHED BY AHU MANUFACTURER
SUPPLY FAN VFDS, QTY: 6
FURNISHED BY AHU MANUFACTURER
DFSS-AHU-5
2 TON
DFSS-AHU-5
2 TON
ACCU-AHU-5
2 TON
CONDENSATE DRAIN
REFRIGERANT LIQUID
/ SUCTION PIPING
DFSS-AHU-5
T
T
300A DISCONNECTS
(SEE ELECTRICAL DRAWINGS)
UNIT SHALL BE MOUNTED
TO BASE FRAME TO MEET
THE REQUIREMENTS FOR
SEISMIC CATEGORY C.
ROOF DRAINS (TYP.)
AHU-5AHU-5
20170 CFM
ACCU-AHU-5
2 TON
ACCU-1025
2 TONS
STAIR
3.0 PCF RIGID BOARD INSULATION
(SUPPLY DUCTS ONLY)
VENTURE CLAD (OR VA APPROVED EQUAL) 1577CW
WHITE 5-PLY LAMINATED FOIL/FILM JACKET
INSTALLED STRICTLY PER MANUFACTURER'S
INSTRUCTIONS. (SUPPLY DUCTS ONLY)
CROWN TOP OF DUCT FOR WATER DISPERSION
1/2" THICK RUBBER ROOF GUARD PAD BY MIRO OR HUMANE
EQUIPMENT CO. (OR VA APPROVED EQUAL) MINIMUM SIZE SHALL BE 4"
LARGER THAN DUCT SUPPORT BASE ASSEMBLY IN ALL DIRECTIONS.
12" WIDE SHEET ALUMINUM BENEATH
VENTURE CLAD 1577CW JACKET (OR VA
APPROVED EQUAL) AT ALL DUCT SUPPORTS
MIRO 8-DS-HDG DUCT SUPPORT.
(OR VA APPROVED EQUAL)
NOTES:
1. PROVIDE QUANTITY OF DUCT SUPPORTS AS REQUIRED SUCH THAT INSTALLED WEIGHT DOES NOT
EXCEED 300 LBS. PER DUCT SUPPORT OR 150 LBS. ON EACH BASE.
2. SPACING NOT TO EXCEED 6'-0" CENTERS.
3. CROSS BRACE TWO PIPESTANDS EVERY FOURTH (4TH) PIPESTAND FOR ELEVATIONS 24" AND HIGHER.
4. IT IS NOT ACCEPTABLE FOR DUCT SUPPORT TO PENETRATE VENTURE CLAD JACKET.
SHEET METAL
DUCTWORK
MIN 2'-0"
ROOF
ROOF GUARD
PAD
HOT-DIP GALVANIZED
STEEL BASE ASSEMBLY
ATTACH BASE ASSEMBLY TO
ROOF PAD USING 1/4" DEEP
LAYER OF MASTIC
BRACED STRUT ASSEMBLY WITH
FIELD ADJUSTABLE HEIGHT
DFSS
STRAINER
OUTDOOR
ACCU
CONDENSING
UNIT
EQUALIZING LINE
CHARGING VALVE
FILTER/DRYER
SIGHT GLASS/MOISTURE INDICATOR
SOLENOID VALVE
THERMAL EXPANSION VALVE
INDOOR
"DX" COOLING COIL
SERVICE VALVES (TYPICAL)7'-0" AFF WHERE
CONDITIONS
ALLOW (TYPICAL)
INSULATED
DRIP PAN
RUNNING TRAP W/CLEANOUTS
SENSING BULB
POWER WIRING IN CONDUIT
CONTROL WIRING IN CONDUIT
SERVICE VALVES (TYPICAL)
OIL TRAP (INSTALL PER
MANUFACTURER'S
RECOMMENDATIONS)
SUCTION LINE
LIQUID LINE
OIL TRAP (INSTALL PER
MANUFACTURER'S
RECOMMENDATIONS)
SLEEVE/SEAL ALL WALL
PENETRATIONS
WEATHER TIGHT
NOTES:
1. AIR COOLED CONDENSING UNIT AND "DX" COIL SHALL BE COMPATIBLE.
2. SINGLE CIRCUIT REFRIGERANT PIPING AS SHOWN IS TO ILLUSTRATE GENERAL
REQUIREMENTS. PIPING SHALL BE SIZED, PITCHED, ARRANGED, AND CIRCUITED
PER CONDENSING UNIT MANUFACTURER'S RECOMMENDATIONS.
TERMINATE 3/4"
CONDENSATE DRAIN OUT
EXTERIOR WALL WITH
DOWN TURNED TYPE "K"
COPPER ELBOW
VIBRATION ISOLATORS
ROOF MOUNTED
EQUIPMENT RAIL
o n e e ig h th in c h o n e fo o t th re e in c h e s o n e fo o t o n e a n d o n e h a lf in c h e s o n e fo o t o n e in c h o n e fo o t th re e q u a rt e rs in c h o n e fo o t o n e h a lf in c h o n e fo o t th re e e ig h th s in c h o n e fo o t o n e q u a rt e r in c h o n e fo o t
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
A
B
C
D
E
F
Drawing Title Project Title
VA FORM 08-6231
Office of Facilities Management
U.S. Department of Veterans Affairs
STAMP
Date
Location
Building Number Checked Drawn Drawing Number
Project Number
BID SET
Approved: Director
Approved: Associate Director
Approved: Assistant Director
Approved: Assoc. Director for Patient Care Service/Nurse Executive
Approved: Deputy Assoc. Director of Patient Care Services
Approved: Chief of Staff
Approved: Deputy Chief of Staff
Approved: Chief of Engineering
Approved:
Approved:
ARCHITECT/ENGINEER/CONSULTANTS:
Bancroft Project No.
SAVAHCS, TUCSON, AZ 85723
3300 Dundee Road
Northbrook, IL 60062
T: 847.952.9362
04/30/2024MECHANICAL - DETAILS EXPAND AND RENOVATE
EMERGENCY DEPARTMENT B50
50 DGG TE
50-M505
678-331
8-
E X
P A
N D
A N
D R
E N
O V
A T
E E
M E
R G
E N
C Y
D E
P A
R T
M E
N T
B
A
D D
E N
D U
M
NOT TO SCALE
HEPA FILTER HOUSING
NOT TO SCALE
AIR HANDLING UNIT (AHU-5)
NOT TO SCALE
NEW ADDITON ROOF ISOMETRIC
NOT TO SCALE
EXTERIOR DUCT SUPPORT DETAIL
NOT TO SCALE
DFSS REFRIGERANT PIPING
Revisions: Date:
BID SET 05/01/2023
ADDENDUM 1 04/30/2024
| Sheets |
| 50-M505 - MECHANICAL - DETAILS |
| 50-MH104 - MECHANICAL - VENTILATION OVERALL PLAN, ROOF |
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