Haridwar Roorkee Development Authority Tender

Supply, installation, testing and commissioning of Square/Rectangular Shape Induced draft cooling towers of capacity 150 TR. Each tower shall be complete with distribution system, fillings, louvers, Hot dipped galvanised ladder, axial flow fan and motor. Motor (IP:55) shall be suitable for 415 ± 10% volts, 50 cycles, 3 phase power supply. The Cooling Tower shall be complete in all respect capacity of each Cooling tower shall be as follows:Capacity: To Cool 600 USGPM of water at parameters indicated above.COOLING TOWER - Make :-To be approved by Engineer in charge before Installation.

Supply, installation, testing and commissioning of factory fabricated Double Skin Chilled Water Air- handling unit horizontal type fabricated out of extruded aluminium section consisting with 0.63 mm pre-plasticized/pre-coated Galvanised steel sheet outside & 0.63 mm plain galvanised steel sheet inside with blower, blower section, fan motor TEFC type suitable for operation on 415 volts ± 10%, 50 Hz ± 5% AC supply, Multi Row deep cooling coil made of Aluminium finned Copper tube with coil section, pre - filter section with non woven synthetic media of 10 micron particle size with an efficiency of 90%, stainless steel drain pan made out of 18 G sheet duly insulated complete with motor and belt drive package etc. The AHU panels with thermal break profile insulated with (50±2) mm thick & 40 ± 2 Kg/m³ density PU foam. The motor & blower assembly shall be mounted on Aluminium extruded section only. The complete AHU shall conform to standard specification. Constructional Features of DOUBLE SKIN TYPE HORIZONTAL FLOOR MOUNTED AIR HANDLING UNITS. ❖ Mixing box with manually operated fresh & return air AL dampers. ❖ Filter section with 50 mm thick box type pre-filter. ❖ Coil section with multi-rows deep chilled water type cooling coil. ❖ Fan section with SISW centrifugal direct driven plug fan, motor VFD Compatible & spring isolators. ❖ Supply air manually operated AL damper. AHU Cap-15000,Static pressure - 40mm, Cooling Coil- 6 row,Filteration-10 micron, AIR HANDLING UNITS - Make :- To be approved by Engineer in charge before Installation.

Supply, installation, testing and commissioning of factory fabricated Double Skin Chilled Water Air- handling unit horizontal type fabricated out of extruded aluminium section consisting with 0.63 mm pre-plasticized/pre-coated Galvanised steel sheet outside & 0.63 mm plain galvanised steel sheet inside with blower, blower section, fan motor TEFC type suitable for operation on 415 volts ± 10%, 50 Hz ± 5% AC supply, Multi Row deep cooling coil made of Aluminium finned Copper tube with coil section, pre - filter section with non woven synthetic media of 10 micron particle size with an efficiency of 90%, stainless steel drain pan made out of 18 G sheet duly insulated complete with motor and belt drive package etc. The AHU panels with thermal break profile insulated with (50±2) mm thick & 40 ± 2 Kg/m³ density PU foam. The motor & blower assembly shall be mounted on Aluminium extruded section only. The complete AHU shall conform to standard specification. Constructional Features of DOUBLE SKIN TYPE HORIZONTAL FLOOR MOUNTED AIR HANDLING UNITS. ❖ Mixing box with manually operated fresh & return air AL dampers. ❖ Filter section with 50 mm thick box type pre-filter. ❖ Coil section with multi-rows deep chilled water type cooling coil. ❖ Fan section with SISW centrifugal direct driven plug fan, motor VFD Compatible & spring isolators. ❖ Supply air manually operated AL damper. CFM-3000, mm of WC-32mm, R/D Deep -6 row,Level-10 micron. AIR HANDLING UNITS - Make :-To be approved by Engineer in charge before Installation.

Providing and fixing in position the following MS 'C' class pipes, cut to required length and installed with welded joints, providing and fixing all necessary fittings such as bends, elbows, tees, reducers, flanges, sockets etc. Chilled water piping shall be insulated with fittings like flanges and unions, etc. as per approved shop drawings and specifications. Make :- To be approved by Engineer in charge before Installationg

DIA 125 MM

DIA 100 MM

DIA 80 MM

DIA 65 MM

DIA 50 MM

DIA 40 MM

DIA 32 MM

Supply, installation and testing of 25 mm thick Class O Nitrile Rubber insulation with 26 gauge Aluminium cladding on chilled water pipes and fittings like valves, flanges and unions, etc. as per approved shop drawings and specifications.

DIA 125 MM

DIA 100 MM

DIA 80 MM

DIA 65 MM

DIA 50 MM

DIA 40 MM

DIA 32 MM

Providing and fixing in position the Insulated butterfly valves (PN-10) as per specification of following sizes:Make :To be approved by Engineer in charge before Installation.

DIA 100 MM

DIA 80 MM

DIA 40 MM

Providing and fixing in position the following Insulated balancing valves as per specifications:Make : To be approved by Engineer in charge before Installation.

DIA 100 MM

DIA 80 MM

DIA 40 MM

Providing and fixing in position the Check (Non return) valves as per specifications of following sizes:Make : Castle /Advance /Honeywell-DIA 100 MM

Providing and fixing of Y strainer as per specifications of following sizes:Make :To be approved by Engineer in charge before Installation.

DIA 100 MM

DIA 80 MM

DIA 40 MM

Providing and fixing in position the following Flexible coupling (with conrtol rods) for the chilled water pumps (at Pumps/Chillers Inlet & outlet).Make : To be approved by Engineer in charge before Installation

DIA 125 MM

DIA 100 MM

Providing and fixing in position the following two way valves for Air Handling units complete with necessary cooling / heating thermostat.Make : To be approved by Engineer in charge before Installation.

DIA 65 MM

DIA 32 MM

CONDENSER WATER CIRCULATION SYSTEM-CONDENSER WATER PIPING-Providing and fixing in position the following MS 'C' class pipes, cut to required length and installed with welded joints, providing and fixing all necessary fittings such as bends, elbows, tees, reducers, flanges, sockets etc as required and conforming to the specifications:-Make : To be approved by Engineer in charge before Installation.

150 mm dia MS Pipes

125 mm dia MS Pipes

100 mm dia MS Pipes

80 mm dia MS Pipes

65 mm dia MS Pipes

50 mm dia MS Pipes

40 mm dia MS Pipes

Providing and fixing in position the butterfly valves as per specification of following sizes:Make : To be approved by Engineer in charge before Installation.

150 mm dia

125 mm dia

50 mm dia

Providing and fixing of Y strainer as per specifications of following sizes:Make :To be approved by Engineer in charge before Installation. 125 mm dia

Ball Valves Make :To be approved by Engineer in charge before Installation.

32 mm dia

25 mm dia

Providing and fixing in position the Check (Non return) valves as per specifications of following sizes:Make : To be approved by Engineer in charge before Installation. -125 MM DIA

Providing and fixing in position the following water flow switch as per specifications:Make :To be approved by Engineer in charge before Installation. -25 MM

Providing and fixing in position dial type mercury-in-glass filled industrial thermometers.Make :- To be approved by Engineer in charge before Installation.

Providing and fixing in position industrial pressure gauges having dial size 150 mm complete with SS syphon and cock.Make :- To be approved by Engineer in charge before Installation.

PVC expansion tank cap 500 ltrs insulated with 50mm thick Class O Nitrile Rubber insulation with 26 gauge Aluminium cladding with overflow valve, float valve as specified.Make :- Sintex / Ploycon

Supply , installation , testing and commissioning of condensate drain water piping of CPVC pipes for Drain, cut to required lengths and installed and providing and fixing in position the necessary elbows, tees and reducers as per specifications.M.ake : To be approved by Engineer in charge before Installation. .32 mm dia pipe

Supplying, installation, testing and commissioning of Auto air vents.Make :To be approved by Engineer in charge before Installation. -25 mm dia

Supply, Fabrication, Installation and testing of Factory Fabricated G.I sheet metal ducts in accordance with the approved shop drawings and specifications and shall also confirm to the SMACNA specifications including standard accessories like supports, Vanes, dampers, links, access doors, levers and quadrants etc. as per specifications and drawings. The rates shall include all materials and labor for suspension and supporting arrangement of galvanized steel for Plenums, Ducts, complete with UL listed fire retardant factory fabricated flexible connection as per specifications. Bracing in the ducts as per IS/ SMACNA standards.Sheet metal ducts shall be fabricated out of galvanized steel sheets. Fabrication of ducts shall be through well-conditioned Triplex lock former or multiple lock formers, conforming to relevant BIS Codes.Make : To be approved by Engineer in charge before Installation.

Thickness 0.63 mm sheet

Thickness 0.80 mm sheet

Thickness 1.00 mm sheet

Thickness 1.25 mm sheet

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.Make :To be approved by Engineer in charge before Installation.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.Make : To be approved by Engineer in charge before Installation.

Actuactors Motor for Fire Dampers.Make : To be approved by Engineer in charge before Installation.

Supplying & fixing of Fresh air intake louvers with bird screen and dampers (Aluminium extruded only).Make :To be approved by Engineer in charge before Installation.

Supplying and fixing of duct insulation with closed cell 'O' class Aluminium foil faced Nitrile Rubber External Thermal insulation of density 25-32 Kg/m³. Applied by Adhesive, conforming to standard specification.Make : To be approved by Engineer in charge before Installation.

19 mm thick closed cell nitrile rubber (Indoor application).

25 mm thick closed cell nitrile rubber without Aluminium foil covered with fibre cloth and Glucobond coating (outdoor application).

Supplying and fixing of acoustic lining of duct with Open Cell Nitrile Rubber density 140-180 Kg/m³. Applied by Adhesive, conforming to standard specification.Make : To be approved by Engineer in charge before Installation. ,10 mm thick open cell nitrile rubber.

Supply, installation, testing and commissioning of floor mounted, self supported, compartmentalized LT cubical pattern (Extendable Type) metal clad switch board, fabricated from 2mm (14 G) thick CRCA sheet steel suitable for 31 MVA rupturing capacity at 415 V, 3 phase, 4 wire, 50 HZ AC supply and equipped with PVC sleeved aluminum bus bars of specified rating and following switch gears inter connected by PVC sleeved solid conductors, including 7-tank cleaning, degreasing, phosphating process and treatment of panel with anti-corrosive zinc based primer paint and finally powder coating the panel, complete with earthing terminals, cable and bus bar alleys and hoisting hooks as required. The LT panel will comprise ACBs and MCCBs as described below for incoming and outgoing power supplies.Necessary cable alley, spare switches, internal wiring, control wiring/cabling and earthing of all equipment shall also be included. Make :- Schneider Electric / L&T / Siemens / ABB.INCOMERS-1 No ACB as per following details/ specification:1000 A, Four Pole, MDO, ACB with Microprocessor in-built protection relays such as thermal over load release, earth fault release, magnetic short circuit, auxiliary contacts with door interlock facility & padlock facility shall contain the following:Digital Voltmeter of 0-500A with VSS & one set of (RYB) phase indicating lights with 6A SP MCB,Indicating lamps shall be protected by 6A MCB to indicate ON,OFF, TRIP for ACB,Digital Amp meter with Automatic Selector Switch.1 set of under voltage relay. BUSBARS :Suitable capacity Aluminium busbar duly sleeved. Maximum density of aluminimun bus bars for current carrying capacity shall be one amp per square mm.OUTGOINGS : For chillers-3 Nos. MCCB as per following details/ specification:3 No.200 A, 25KA, TPN MCCB, outgoing feeder to 52TR chilling unit (2W+1 STDBY). The compartment shall contain :,Chilled Water Pumps:-3 Nos. MCCB with VFDs as per following details/ specification:3 Nos. MCCB with VFDs as per following details/ specification:3 Nos. 32 amps TPN MCCBs, 16 KA, motor duty VFD 4KW, over load relays with built in single phasing protection and outgoing feeders to condenser water pump motors (2W + 1 S) . Each of these compartments shall contain CT operated ammeter of suitable amps range with selector switch, auto manual switch along with an ON/OFF indicating lamps and push buttons for status of the pump motors with SP MCB. ,Condenser Water Pumps:-3 Nos. MCCB as per following details/ specification:3 Nos. 32 amps TPN MCCBs, 16 KA, motor duty, 3 Nos. 5.5 HP DOL starters, over load relays with built in single phasing protection and outgoing feeders to condenser water pump motors (2W + 1 S) . Each of these compartments shall contain CT operated ammeter of suitable amps range with selector switch, auto manual switch along with an ON/OFF indicating lamps and push buttons for status of the pump motors with SP MCB.Cooling Tower:-2 Nos. TPN MCCB as per following details/ specification:2 Nos. 32 amps TPN MCCBs, 16 KA, for 2 Nos. 7.5 HP DOL starters, over load relays with built in single phasing protection and outgoing feeders to CT fans motors (1W + 1S). Each of these compartments shall contain CT operated ammeter of suitable amps range with selector switch, auto manual switch along with an ON/OFF indicating lamps and push buttons for status of the pump motors with SP MCB.

Design, manufacture, supply, installation, testing and commissioning of the following cubicle type, dead front, sheet steel, wall mounted control panels, sleeve type aluminium bus bars including anchoring into the wall shall be provided by the HVAC Contractor.TPN MPCB for incoming power as per rating given below,Terminal block for power distribution.Single phase preventer.Phase indicating lights and indicating light for 'ON' status with toggle switches and back-up fuses.Digital voltmeter of suitable range.Digital Ammeter of suitable range with CTs and selector switch.Time delay relay for delayed automatic restart of air handling unit motor.220/24 volts transformer.24 volts wiring to the 2-way diverting valve and space thermostat.Wiring for micro-switch smoke sensor and electric actuator for stopping the fan when smoke/fire damper closes (For AHUs provided with fire damper).Control wiring for thermostat.ON / OFF push buttons with toggle switch for remote start / stop and indicating light for 'ON' status at CONTROL DESK.Bimetallic lugs shall be used at copper to aluminium joints.Auto/ Manual start / stop selector switch shall be provided for each equipment in the panel to facilitate remote operation from Central Indication Light Panel. Panels shall have adequate space for mounting transformers and other accessories related to control system.Incomer:MCCB of 200 A, 4 pole 36 KA, Digital Voltmeter with VSS & Ammeter with ASS of suitable range along with CTs, one set of RYB phase indicating lamps.Outgoings feeders: 1 no. S/D Starter of upto 20KW, MCB TP of 40A, motor duty VFD 20KW with Over Load Relay, control MCBs, Single Phase Preventer, Auto Manual Selector Switch etc.1 no. S/D Starter of upto 1.5KW, MCB TP of 32A, motor duty VFD 1.5KW with Over Load Relay, control MCBs, Single Phase Preventer, Auto Manual Selector Switch etc. for each AHU

Supply & Fixing of following sizes of 1.1 kV grade multicore aluminium conductor PVC sheathed armoured XLPE cables from main panel boards to various equipments like AHUs/Chillers/Cooling Tower Motors/Pumps/Blowers etc. through walls / ceiling with appropriate clamps and fixing arrangements, termination, glands cable tray etc. as per specifications and drawings. Make : - To be approved by Engineer in charge before Installation.

3 Core 95 Sqmm

3 Core 10 Sqmm

3 Core 6 Sqmm

Supply & installation of following sizes of perforated GI cable trays including horizontal & vertical bends, reducers, tees, cross members and other accessories as required and duly supported from the ceiling/wall/floor with MS suspenders/supports and including painting etc. as required

300 mm widthx50 mm deep x1.6 mmthickness

150 mm widthx50 mm deep x1.0 mmthickness

100 mm widthx50 mm deep x1.0 mmthickness

Supply, laying, effecting proper connections, testing & commissioning of 2 core 1.5 sq.mm. PVC insulated copper multicore cables from starter panel to Local Push Buttons for Cooling tower motors