FY17_Rpr_by_Rpl_Var_Bldgs_Block_A1_drawings_Part9_Part1.pdf
PDF 2 MB Posted
- Attached to
- $300M Small Business DBB MATOC
- Solicitation number
- W9128A-19-R-0002
About this file
This document package includes mechanical drawings and specifications for repair by replacement of various buildings at the Pohakuloa Training Area in Hawaii. The drawings depict proposed HVAC system upgrades for the GP Admin Small building, including mechanical plans, sections, and schedules. Bid Option 1 involves installing new exhaust fans for natural ventilation, while Bid Option 2 upgrades to a packaged heat pump unit. The heat pump would provide 20,900 BTUs of sensible cooling, 23,700 BTUs total cooling, and 27,600 BTUs total heating. Both options include control diagrams and sequences of operation. This project is covered under Solicitation Number W9128A-19-R-0002, a $300M Small Business MATOC for design-build construction services in Hawaii issued by the Army Corps of Engineers Honolulu District. The last day for RFIs is September 16, 2019.
Sample Project - Drawing 9 of 12, Part 1
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S-301
B1
SCALE: 1/2" = 1'-0"
TRANSVERSE SECTION
A1
SCALE: 1/2" = 1'-0"
LONGITUDINAL SECTION
GRAPHICS SCALE
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TOP OF PLATE
CMU WALL, TYP
(E) CONC SLAB
TOP OF PLATE
ARCH DWG, TYP
MTL ROOFING PER
(E) CONC SLAB
JACK TRUSSES T-4 AT 4'-0"
T-2 GIRDER
BLOCKING, TYP
600S162-54 EAVE
FASCIA
BENT PL
FOR EXTERIOR SLABS
SEE CIVIL DRAWINGS
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T-3
MEMBERS, TYP
BRACING AT VERT
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1-1/2" STL DECK
1-1/2" STL DECK
BLKG, TYP
600S162-54 EAVE
BLKG, TYP
600S162-54 EAVE
CMU WALL BEYOND, TYP
(N) CONC TOPPING
BID OPTION 10 -
CMU HEADER
FOR SEE
FOOTING PER
FOOTING PER
AT 4'-0" UON
TRUSS T-1
AT 4'-0" UON
TRUSS T-1
S-004
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A1
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C5
T
14/10
12/12 SAD,10"Ø
ND, 185 CFM
10/10 10/10
20/10
18/18 RAR,
1000 CFM
CONDENSATE TO
DRYWELL. ROUTE U/G
PROVIDE 4" HIGH CONCRETE PAD,
6" AROUND THE FOOTPRINT OF
THE UNIT
T
18/10
MINIMUM 0.8 SQFT FREE AREA.
SEE ARCH FOR LOUVER SIZE AND
LOCATION , TYP OF 4
DRYWELL
H-O-A SWITCH
12/12 SAD,10"Ø
ND, 180 CFM
12/12 SAD,10"Ø
ND, 180 CFM
12/12 SAD,10"Ø
ND, 180 CFM
12/12 SAD,10"Ø
ND, 180 CFM
12/12 SAD,10"Ø
ND, 180 CFM
EXHAUST FAN OPENINGS
ONLY PERTAIN TO ONLY
BID OPTION 1, TYP OF 2
LOUVERS PERTAIN TO ONLY
BID OPTION 1, TYP OF 4
M
OA DUCTWORK ROUTED
ALONG WALL UP TO ROOF
OA DUCT UP TO ROOF
GOOSENECK. BOTTOM
OF INTAKE SHALL AT A
MIN OF10'-0" AFG
OA DUCTWORK ROUTED
UNDER ROOF TO
GOOSENECK
MOTORIZED LOW
LEAKAGE DAMPER
E S
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EMERGENCY HVAC
SHUTDOWN SWITCH
E S
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EMERGENCY HVAC
SHUTDOWN SWITCH
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GP ADMIN - SMALL - MECHANICAL PLANS
SCALE: 1/4" = 1'-0"A2
GP ADMIN - SMALL - MECHANICAL FLOOR PLAN BID OPTION 1
SCALE: 1/4" = 1'-0"C2
BASE BID OPTION INCLUDES NATURAL
VENTILATION WITH OPERABLE
WINDOWS. SEE ARCHITECTURAL
SHEETS FOR BASE BID FLOOR PLAN
2.
REFER TO VOLUME 0, GENERAL
INFORMATION AND DETAILS FOR
ADDITIONAL INFORMATION AND
DETAILS
1.
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POWER
BLDG
SERVED
EXT SP
(INCH WG)
FAN
RPMTYPE (CFM)
EXHAUST FAN (EF) SCHEDULE
ELECTRICAL
V PH HZ
EF
NO.
(HP)
(LBS)
WEIGHTAIRFLOW
EF-2-1
(DBA)
LEVEL REMARKS
735 0.20DIRECT DRIVE
SIDEWALL CENTRIFUGAL
1000 1/4 115 1 60 72GP ADMIN SMALL 42
SOUND
MCA
BLDG SERVED EXT SP
(INCH WG) REF
PACKAGED HEAT PUMP (HP) SCHEDULE
ELECTRICAL
V PH HZ
HP
NO. (LBS)
WEIGHT
HP-2-1 1085 1.0 R-410A 19.8 208 3 60 357
GP ADMIN
SMALL
(DBA)
SOUND
LEVEL REMARKS
PROVIDE WITH COIL AND CABINET COATING
PER MANUFACTURERS RECOMMENDATION20,900
SENSIBLE
COOLING
(BTUH)
23,700
TOTAL
COOLING
(BTUH)
SUPPLY
AIRFLOW
(CFM)
OUTDOOR
AIRFLOW
(CFM)
SEER
14.075.0/60.5
COOLING
ENT AIR
(DB°F/WB°F)
55.0/52.4
COOLING
LVG AIR
(DB°F/WB°F)
87.0/75.0
AMB AIR
(DB°F/WB°F)
27,600
TOTAL
HEATING
(BTUH)
68.6
HEATING
ENT AIR
(DB°F)
95.0
HEATING
LVG AIR
(DB°F)
HVAC SYSTEM SEQUENCE OF OPERATION:
THE EFS SHALL BE PROVIDED WITH A HAND-OFF-AUTO SWITCH. IN THE HAND MODE,
THE UNIT SHALL BE MANUALLY OPERATED. IN THE AUTO POSITION, THE UNIT SHALL
OPERATE AS FOLLOWS:
1. THE EXHAUST FANS SHALL BE CONTROLLED VIA A T-STAT MOUNTED ON THE
WALL WHERE INDICATED ON THE DRAWINGS.
2. THE T-STAT SHALL MODULATE THE EXHAUST FAN VOLUME TO MAINTAIN A SPACE
TEMPERATURE SET BY THE ROOM CONTROLLER. THE SPACE SHALL BE
MAINTAINED AT A DEFAULT TEMPERATURE OF 75F, BUT SHALL BE FULLY
ADJUSTABLE BY THE USER.
T-STAT
EF STARTER
CONTROL DIAGRAM AND SEQUENCE OF OPERATIONS - BID OPTION 1
NOT TO SCALEC1
T-STAT
HP STARTER
CONTROL DIAGRAM AND SEQUENCE OF OPERATIONS - BID OPTION 2
NOT TO SCALEB1
THERMAL
OVERLOAD
THERMAL
OVERLOAD
HVAC SYSTEM SEQUENCE OF OPERATION:
THE HEAT PUMP UNIT SHALL BE PROVIDED WITH A HAND-OFF-AUTO SWITCH. IN THE
HAND MODE, THE UNIT SHALL BE MANUALLY OPERATED. IN THE AUTO POSITION,
THE UNIT SHALL OPERATE AS FOLLOWS:
1. THE PACKAGED HEAT PUMP UNIT SHALL BE CONTROLLED VIA A T-STAT
MOUNTED ON THE WALL WHERE INDICATED ON THE DRAWINGS.
2. THE T-STAT SHALL MODULATE THE SUPPLY AIR TEMPERATURE TO MAINTAIN A
SPACE TEMPERATURE SET BY THE ROOM CONTROLLER. THE SPACE SHALL BE
MAINTAINED AT A DEFAULT TEMPERATURE OF 75F, BUT SHALL BE FULLY
ADJUSTABLE BY THE USER.
3. THE UNIT SHALL AUTOMATICALLY SWITCH BETWEEN HEATING AND COOLING
OPERATIONS, BUT SHALL ALSO BE PROVIDED WITH A MANUAL CHANGEOVER
OPTION.
4. THE HEATING SETPOINT SHALL BE SET AT 70F, BUT SHALL BE FULLY
ADJUSTABLE.
5. THE UNIT SHALL OPERATE BASED ON A TIMER, SET BY THE USERS.
REFER TO VOLUME 0, GENERAL
INFORMATION AND DETAILS FOR
ADDITIONAL INFORMATION AND
DETAILS
1.
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