Replacement of Air Conditioning System at 4/F Tender - 24961208

Procurement Summary

Country: Philippines

Summary: Replacement of Air Conditioning System at 4/F and 5/F of PNOC Bldg. 5

Deadline: 07 Aug 2018

Posting Date: 13 Jul 2018

Other Information

Notice Type: Tender

TOT Ref.No.: 24961208

Document Ref. No.: WGS 18 - 021

Competition: ICB

Financier: Self Financed

Purchaser Ownership: -

Tender Value: Refer Document

CPV Classification

39717200 - Air-conditioning appliances

Purchaser's Detail

Name: Login to see tender_details

Address: Login to see tender_details

Email: Login to see tender_details

Login to see details

Tender Details

Replacement of Air Conditioning System at 4/F and 5/F of PNOC Bldg. 5
LABOR REQUIREMENT/S:
- Skilled AC installer, Electricians and Tin smiths, supervising mechanical engineer.
- Bidder must have at-least five (5) years of experience in handling and contracting air conditioning projects.
- Bidder should be a mechanical/electrical contractor.
- Bidder should at-least have completed three (3) mechanical/electrical projects of the same nature for the last 5 years.
MATERIAL REQUIREMENT:
1. The contractor shall provide, among others, the following primary materials as specified
iP Two (2) units 50TR Capacity, water cooled packaged air conditioning system with serviceable semi-hermetic screw type horizontal compressors
Capacity : 50TR / 150, 000
kCal/Hr
Evaporator Flow : 450 cu. m / min.
Air Inlet Dry Bulb : 27.5 deg. C
Air Inlet Wet Bulb : 20.0 deg. C
Capacity Control : 50% and 75%
partial load
Refrigerant : R-407C
Compressor Type : Serviceable
Horizontal
Semi-hermetic,
screw type
Evaporator Fan Motor : 11.2kW,
990 rpm 57mm Aq
external static
pressure
Condenser Temperature: 41 deg. C
Water Inlet Temperature: 29.4 deg. C
Condenser water flow : not to exceed
3mm Aq
iP Two (2) units 5Hp end suction centrifugal water pump and motor assembly for condenser
water circulation
Motor rating : 5Hp
TDH : 21.4M (70ft)
Water Flow : 10.73 LPS (170 GPM)
Power Supply : 230 Volts, 3 phase, 60Hz
iP Two (2) units Bottle type cooling tower to cool 170GPM of condenser water complete with 1.5Hp fan motor and other standard accessories.
Design condition :
- 10.73 LPS, 36.6 deg. C inlet, 31.1 deg. C outlet, 27.8 deg. C design
Casing :
- Fiberglass reinforced polyester (FRP) regid casing
Fillings :
- PVC cross-corrugated films, honeycomb design, Fire retardant
Drift Eliminator :
- Standard, made of FRP sheet
Distribution Type :
- Self propelled automatic sprinkler system (PVC or Special aluminium alloy
Hardwares : All galvanized or anti-
corrosive treated steel
parts
Bolts, Nuts & Washer:
- All stainless steel
Fan & Drive :
- High efficient axial flow fans, cast aluminium, adjustable Pitch, directly driven by 2HP enclosed electric motor
Basin :
- Built-in regid construction fiber (FRP),
sectionalized with End stiffeners, bolted
together
Support Stand :
- Galvanized or anti-corrosive treated mild
steel pipes
Accessories :
- Expanded air inlet covers, sectionalized & removable, Access ladder, suction, discharge & make-up water connections with built-in water float valve and float ball
Power supply :
- 230V, 3 phase, 60Hz
2. Standard tools, safety gadget and calibrated testing instruments shall all be provided.
3. Housing panel shall be made of finished steel, baked with synthetic resin paint. Inside the evaporator compartment shall be insulated by incombustible and self extinguishable adiabatic material.
4. Refrigerant cycle shall be equipped w/ horizontal screw type compressor, a water-cooled condenser, a liquid line strainer, an expansion valve and evaporator coil. A check joint for high & low pressure shall be provided for each cycle. A pressure relief valve shall be equipped in the liquid line. High & low pressure gauge shall also be provided
5. Compressors shall be horizontal semi-hermetic of the same manufacturer, screw type mounted on vibration-proof rubber.
6. Evaporator fan shall be the forward-curved, multi blade centrifugal type, statically & dynamically balanced, belt driven by 11kW motor and can deliver 450 cu. m/min w/ 57 mm Aq external static pressure of 990rpm.
7. Evaporator shall be multi-pass cross fines tube type equipped w/ high efficient aluminium Fins, mechanically bonded to oxygen-free seamless copper tubes.
8. Condenser shall be water-cooled shell & tube type. Tubes shall be high efficient grooved type. The refrigerant side of the condenser shall be cleaned, dehydrated and tested for leaks, water side of the condenser shall also be tested for leaks
9. Compressor shall be protected against breakdown by a reverse protection relay, 3 phase Over-current relay, dual pressure switch and a built-in internal thermostat. An oil heater shall also be equipped. The evaporator fan motor shall be protected from over loaded operation with a 3 phase thermal over-current relay
10. The unit shall be equipped with operation switch, pilot lamp and thermostat mounted on the unit control panel.
11. Centrifugal water pump shall be horizontal, radial split back pull-out design single stage end suction. Casing shall be cast iron in working pressure of of 150psi, 125lb in ANSI class flanged (NPT) type. The empeller shall be zinc-free bronze of a diameter not greater than 90% of the casing cut-water diameter. Sealing of the pump liquid cavity shall be by mechanical seal and shall be mounted on a steel base
12. Pump shall be flexibly coupled to a NEMA frame open drip-proof electric motor, 1750rpm Suitable for 230V, 3 phase, 60Hz power supply.
13. Cooling tower shall be field assembled induced draft, FRP bottle type, propeller fan design w/ vertical air discharge. Casing & basin shall be constructed of rigid fibreglass reinforced polyester (FRP), sectionalized with end stiffeners with hot dip galvanized steel hardwares & supports bolted together in stainless steel bolts, nuts & washers. Fillers shall be PVC fire retardant type cross-corrugated films, honeycomb design in opposed slanted layer. Cooling tower fan shall be high efficient axial flow fan, cast aluminium, adjustable pitch directly driven by a totally -enclosed electric motor
14. Supplied A/C units must exceed/surpass or equivalent to above specification.
15. Equipment must be free from any visual damages and must function normally during the testing and commissioning, repair/alteration on the unit will not be allowed.
16. All supplied materials should be designed to adopt with 220V, 3Phase, 60Hz power supply incorporated with all the required, suitable and on standard unit with temperature controller and monitoring accessories.
17. Duct hangers, bolts, nuts and washer shall be hot dipped galvanized or stainless steel
18. All materials should be factory manufactured, no fabricated items for the project will be accepted and must be made by a reputable manufacturer.
19. Contractor must observe uniformity of supplied materials and accessories for the project.
20. All materials and accessories shall be subjected to prior inspection and acceptance by the PNOC representative prior to commencement of work
Pre-bid Conference
DateTimeVenue
24/07/20182:00 PMPNOC Bldg. VI, Energy Ctr., Merritt Road, Fort Bonifacio, Taguig City
Other Information
A complete set of Bidding Documents may be acquired by interested Bidders on July 16, 2018 from upon payment of a non-refundable fee for the Bidding Documents, pursuant to the latest Guidelines issued by the GPPB, in the amount of Ten Thousand Pesos (P10, 000.00).
Closing Date : 2018-08-07

Documents

 Tender Notice