VOL_2_21B0007_Plans_AM0001.pdf
PDF 522 KB Posted
- Attached to
- MNA-LGA-LMA Headgate Rep Pit Upgrades Federal contract opportunity
- Solicitation number
- W912EF21B0007
About this file
This document package includes technical specifications and drawings for upgrades to the MNA-LGA-LMA Headgate Repair Pit.
The specifications and drawings detail proposed upgrades and modifications to the ventilation systems across multiple levels of the Headgate Repair Pit. Proposed work includes installing new exhaust ducts, ventilation equipment such as fans and filters, maintenance platforms, and fire dampers. The drawings provide enlarged plans and sections of the 5th, 6th, and 7th floors, depicting proposed new equipment locations, duct routing, and safety features.
The solicitation is being conducted by the Department of the Army Corps of Engineers Walla Walla District under number W912EF21B0007, replacing the previous solicitation W912EF20B0019. The specifications and drawings provide necessary information for contractors to understand and respond to requirements for upgrades to the ventilation and safety systems within the Headgate Repair Pit.
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Text version
LOBBY
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N T
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L R
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CENTRAL AIR
CONDITIONING ROOM
GATE REPAIR PIT
EL. 482.0
GATE STORAGE PIT
EL. 482.0
STAIRS
ELEVATOR
AIR SHAFT
PIPE
SHAFT
EL. 499.87
EL. 495.37
CABLE
SHAFT
EL. 499.0
EL. 500.0
EL. 500.0
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REF
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GENERAL NOTES
NORTH NON-OVERFLOW DAM
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RF-1
S T
A
EXISTING SF-1
EXISTING EF-2
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INDUSTRIAL VENTILATION DUCT
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R-19 CONDINOUS INSULATION
DOUBLE WALL OUTDOOR AIR GUIDE
OPEN TO 6TH FLOOR LOBBY
PRESSURE PORT
-0.25 INWC TO 0.25 INWC WITH ZERO CENTER.
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OPEN TO GATE REPAIR PIT
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STOPPING SEALANT.
TUBE WITH FIRE
SURFACES OF CU AP
HOLE AND EXTERIOR
SURFACE OF DRILLED
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VOLUME 2
ENLARGED PLAN: ERECTION BAY - GATE REPAIR PIT VENTILATION - GENERAL EXHAUST DUCTS - 7TH FLOOR EL 520'
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®of Engineers
US Army Corps
U .S
A
R M
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GATE REPAIR PIT
EL. 482.0
GATE STORAGE PIT
EL. 482.0
ELEVATOR
AIR SHAFT
PIPE
SHAFT
EL. 500.0
EL. 514.87
EL. 520.0
EL. 519.87
TELEPHONE ROOM
CABLE
SHAFT
HALL
EL. 520.0
FAN ROOM
OIL STORAGE
ROOM
FISH COLLECTION GALLERY
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REF
SHEET KEYNOTES
SEE MECHANICAL GENERAL NOTES AND LEGENDS ON SHEET MH001.1.
GENERAL NOTES
REQUIREMENTS.
SEE SPECIFICATION SECTION 05 50 14 FOR PLATFORM DESIGN 5.
BELOW.
LADDER FROM FLOOR TO 6' ABOVE PLATFORM. ALIGN TO MISS AIR GUIDE
WALL MOUNTED LADDER WITH LADDER CLIMBING SAFETY DEVISE. EXTEND 4.
ON THE DOWNSTREAM SIDE, AND TWO FILTERS ON THE BOTTOM.
TWO FILTERS ON TOP, TWO FILTERS ON THE UPSTREAM SIDE, TWO FILTERS
CLIP IN PLACE FILTER FRAMES FOR 24"x24"x4" DEEP CARTRIDGE FILTERS -
24" WIDE x 24" HIGH x 48" LONG FILTER FRAME (INSIDE DIMENSIONS). EIGHT 3.
PERFORATED SHEET METAL SHALL HAVE 23 PERCENT FREE AREA.
GALVANIZED PERFORATED SHEET METAL WALLS ON THE BOTTOM AND TOP. 2.
STOPPING SEALANT.
DRILLED HOLE AND EXTERIOR SURFACES OF CU AP TUBE WITH FIRE
1/8" CU AP TUBE, FILL ANNULAR SPACE BETWEEN INSIDE SURFACE OF 1.
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FILTER
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AIR DIFFUSER
MAKE-UP
8" X 18"
18" X 18"
WATER SURGE TANK
EXISTING DOMESTIC
EXISTING FAN
DUCTS
EXISTING
FILTER GAGE
DIFFERENTIAL PRESSURE TRANSDUCER -0.25 INWC TO 0.25 INWC WITH ZERO CENTER.
REQUIREMENTS
TO MEET LADDER
AS NECESSARY
APPROXIMATE,
SAFETY GATE
RAIL
GUARD
(TYP)
SUPPORT
HANGER
WALL MOUNTED LADDER 4
GRATING, 60 LB/FT RATING
MAINTENANCE PLATFORM BAR
A1
MH405
.4
2'-0"
N S
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VOLUME 2
ENLARGED SECTION: ERECTION BAY - GATE REPAIR PIT VENTILATION - 5TH FLOOR EL 482', 6TH FLOOR EL 500', 7TH FLOOR EL 520'
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®of Engineers
US Army Corps
U .S
A
R M
Y C
O R
P S
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IN
E E
R S
DUCT AND SEAL
IN FAN DISCHARGE
COVER OPENING
WATER SURGE TANK
EXISTING DOMESTIC
EXISTING FAN
3GATE REPAIR PIT EXHAUST STACK
SUPPORT
HANGER
LEDGER SUPPORT
EXISTING FAN
OUTDOOR AIR GUIDE
DOUBLE WALL
COOLING COILS
EXISTING HEATING/
PRECIPITATOR
ELECTROSTATIC
EXISTING
MAN DOOR
EXISTING
HANDRAIL NOT SHOWN
WALL MOUNTED LADDER
EL 523.25 (APPROX)
0 4' 8'2'
MH403
MH402
MH401
REF
SHEET KEYNOTES
SEE MECHANICAL GENERAL NOTES AND LEGENDS ON SHEET MH001.1.
GENERAL NOTES
UPSTREAM SIDE OF THE WALL (INSIDE THE GATE REPAIR PIT).
PROVIDE 8" DIAMETER 1.5 HOUR RATED ROUND FIRE DAMPER ON THE 3.
THE EVASE AND SEAL TO SEAL CLASS A.
THE OPENING. REINFORCE THE PANEL AND PERIMETER OF THE OPENING IN
PROVIDE SHEET METAL PANEL ON THE INSIDE OF THE FAN EVASE, CLOSING 2.
FLANGE.
DISTANCE BETWEEN WALL SURFACE AND FACE OF FAN DISCHARGE OPENING 1.
EF
MAF
SF
D
RCL
LEF
LEF
D
OA
UC-2
CABLE
SPREADING
ROOM
VENTILATION
ROOM
EL 482
EL 500
S T
A
EL 520
EL 536
AIR
LOCK
LOBBY
FAN ROOM
RF-1
U C
-1
CIRCUIT
BREAKER
GALLERY
S T
A
CENTRAL AIR CONDITIONING ROOM
LOBBY CONTROL
ROOM
SF-1
S-401
A1
| LM467579MH402XXX |
| LM467579MH403XXX |
| LM467579MH405XXX |
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