| 1 | WATER COOLED CHILLER
Supply, installation, testing & commissioning of Fix speed SCROLL AHRI CERTIFIED, factory designed, pre-fabricated and floor-mounted hermetically sealed scroll type water cooled chiller machine of at least 50 TR as mentioned nominal capacity and complete with scroll compressors, water-cooled type condenser, horizontal flooded type evaporator with MS shell and seamless copper tubes with elastomeric insulation, suitable numbers of hermetically sealed, lubrication system as per manufacturer's design required for smooth and trouble-free operation of the chiller package, common base frame, interconnected copper refrigerant piping along with elastomeric insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, chiller Ozone friendly, CFC-free refrigerant R- 410A/R407A complete all as specified and directed by the Engineer-in-Charge and accessories complete to maintain inside condition as under:
Necessary civil work viz. foundation for placement of chillers etc. shall be deemed to be included in the scope of work.
The chiller shall conform to the following requirements / specifications:
[i] Chilled water inlet / outlet temperature: 12/7 C
[ii] Evaporator fouling factor: 0.000018 Fft hr/Btu
[iii] Condenser water inlet / outlet temperature: 32/37 C
[iv] Condenser fouling factor: 0.000044 Fft hr/Btu
[v] Refrigerant (Ozone friendly type): R410A/R407C
[vi] Test standard: In accordance with ISEER / AHRI / ARI / As per OEM. | 3.00 | Set |
| 2 | Cooling Tower
Supplying, Installation, testing and commissioning of Induced Draft counterflow cooling Towers(CTI approved). The Cooling Tower shall be of Fiber Reinforced Plastic (FRP) Construction. The casing, basin/sump, fan deck and fan cylinder shall be of FRP,
with direct driven fans, Galvanised hardware complete with sump and drain connection with suitable valve, PVC Honey comb fill, louvers, drift eliminator complete with spray nozzle having self rotating sprinklers, steel ladder, Isolating switch and other accessories to make it fully operational and maintaince National
Accreditation Board for Testing and Calibration Laboratories (NABL) & positioning of cooling tower at Terrace of Building. Propeller Type Fan, weather proof IP 55 and Direct driven.The fan motor shall be premium efficiency IE3 class , as per IS 12615 The Cooling tower shall be capable to communicate effectively with Building Management System (BMS). Range of CT: 6 0C. Designed Duty Conditions :- EWT, LWT , D/WBT Complete as per CPWD specification/drawings and as directed by Engineer-incharge. ( Note - Cooling tower size depends on the
ambient temperature conditions , contractor must check the required design temperature). | 3.00 | Each |
| 3 | PRIMARY CHILLED WATER PUMPS
Supply, installation, testing and commissioning of PN16 rated Vertical Inline single stage centrifugal pump each capable of delivering the specified flow rate comprising the following and complete as per specifications. Casing (Volute) - Cast Iron.
Impeller - SS/Bronze - Statically and Dynamically Balanced
Casing Gasket - Confined Non Asbestos Fiber
Pump Shaft - SS 416.
Flush Line - Braided Stainless Steel
Motor Type - TEFC Squirrel Cage, Efficiency Class - IE3, Insulation - Class F, 415V 10% , 50Hz 5%, 3 AC Power Supply
Triple duty valve and suction Guide to be supplied along with Pumps
(2Working +1 Stand By)
Capacity of each pump (LPM) 600
Pump Head (Mt) 15
Maximum Permissible Speed 1450 RPM
Pump Efficiency Not less than 75% | 3.00 | Set |
| 4 | SECONDARY CHILLED WATER PUMPS
Supply, installation, testing and commissioning of PN16 rated Vertical Inline single stage centrifugal pump each capable of delivering the specified flow rate comprising the following and complete as per specifications. Casing (Volute) - Cast Iron.
Impeller - SS/Bronze - Statically and Dynamically Balanced
Casing Gasket - Confined Non Asbestos Fiber
Pump Shaft - SS 416.
Flush Line - Braided Stainless Steel
Motor Type - TEFC Squirrel Cage, Efficiency Class - IE3, Insulation - Class F, 415V 10% , 50Hz 5%, 3 AC Power Supply
Triple duty valve and suction Guide to be supplied along with Pumps
(2Working +1 Stand By)
Capacity of each pump (LPM) 600
Pump Head (Mt) 45
Maximum Permissible Speed 1450 RPM
Pump Efficiency Not less than 75% | 3.00 | Set |
| 5 | MICROBUBBLE AIR & DIRT SEPRATOR WITH INBUILT STRAINER
Supply, installation,testing & commissioning of Micro bubble Air & Dirt Separator capability,automatic air purging arrangement etc.The shell shall be constructed of mild steel with coalescence. It shall work on the principle of coalescence.The water velocity the shall not Exceed 1.5m/sec.The M.S shall to be fabricated or other similar standard.The inlet and outlet connections shall be flanged. It shall be provided with a high capacity auto air vent at the to and a drain valve at the bottom.Matching flanges, high tensile bolts & nuts and gasket shall be also provided By the manufacturer.
it shall be duly insulated 32mm thick class O Nitrile rubber insulation as per specifications complete as per specifications.The design parameters for the air separator of efficiency 96-98 % should be as follows with Safety working pressure:3.5 bar (32mm thick insulation) Line Size:400 mm diameter
Line Size: 100 mm diameter;
Design Flow: 1250 LPM | 1.00 | Set |
