UPGRADATION / REPLACEMENT OF BER AC PLANT AND MISC COOLING APPLIANCES (PH-I) AT AF STN CHANDIGARH

Amount

Supply, erection, testing and commissioning of water cooled scroll Chiller of capacity not less than 50 TR having eco friendly refrigerant R-410A and minimum 3 star power rating equipped with mutiple inverter scroll compressors, intermediate discharge valve and a factory fitted variable frequency drive,factory insulated cooler, water cooled condenser, vibration isolators, integral refrigerant piping and wiring, flow switches at chiller and condenser outlets, first charge of refrigerant and lubricant, microprocessor based control panel, accessories as required. The foundation cost shall be included in the chiller price. Motor shall be suitable for 415 ± 10% V, 50Hz, 3 phase AC supply as per specifications (2 Nos Working + 1 Standby) complete all as specified and directed with the following. Cooler Chilled water in : 54° F Chilled water out : 44° F Fouling Factor : 0.0001 FPS Condenser Condenser water in : 85° F Condenser water out : 95° F Fouling Factor : 0.000250 FPS Each Chiller Tonnage - 50TR (2 working + 1 standby) Make :- Carrier/ Daikin / Hitachi

Supply, installation, testing and commissioning of End Suction Back pull out type centrifugal condenser water pumping set complete with motor, base frame. The pump motor shall be suitable for 415 Volts ± 10%, 50 cycles, 3 phase power supply. Pumps shall be complete all as per specifications and shall have operating parameters as given below: Pumping set with bronze impeller (2 Working + 1 standdby) Cap 208 USGPM HEAD-12M complete all as specified and directed. Make :- Kirloskar/ Lubi / Beacon

Supply, installation, testing and commissioning of End Suction Back pull out type centrifugal chilled water pumping set complete for supplying chilled water from chiller to SS tank with motor, base frame. The pump motor shall be suitable for 415 Volts ± 10%, 50 cycles, 3 phase power supply. Pumps shall be complete all as per specifications and shall have operating parameters as given below: Pumping set with bronze impeller (2 Working + 1 standby) Cap 125 USGPM HEAD-16M complete all as specified and directed. Make :- Kirloskar/ Lubi / Beacon

Supply, installation, testing and commissioning of End Suction Back pull out type centrifugal chilled water pumping set complete for supplying chilled water from tank to process with motor, base frame. The pump motor shall be suitable for 415 Volts ± 10%, 50 cycles, 3 phase power supply. Pumps shall be complete all as per specifications and shall have operating parameters as given below: Pumping set with bronze impeller (2 Working + 1 standby) Cap 125 USGPM HEAD-22M Make :- Kirloskar/ Lubi / Beacon

Supply, installation, testing and commissioning of FRP cooling tower of 125 TR heat rejection capacity with FRP water basin PVC fitting with integral louvers and drift eliminators complete with hot water basin either fitted with spray nozzles or having self rotating sprinklers, statically & dynamically balanced axial flow type fan direct driven or driven through reduction gear box with TEFC induction motor of suitable capacity IP-55 suitable for 415V, 50 Hz 3 Phase, suction screen make up quick fitting arrangement over flow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling tower interior, installed on MS girders (MS-I sections) fixed in brick masonary in cement mortar 1:6 using class B bricks and foundations footing in cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate with all accessories, basin fittings, fan, fan motor, suitable supporting structure, anti vibration mountings etc complete having isolator panel with MCB at cooling tower and with following technical data :- (a) Water flow / tower - As per design (b) Ent water temp 97o F (c) Basin water temp 90o F Make :- Delta/Mihir/Paharpur

CHILLED WATER CIRCULATION SYSTEM Supply laying and fixing the following nominal sizes of chilled plumbing pipes MS CLASS 'C' as per IS1239 inside/outside the building (with necessary clamps,vibrations isolators and fittings like valves ,flanges union etc but excluding valves ,strainer gauges) cut to required length and welded at joints and inclusive of accessories like elbows ,tees , reducers, sockets including supports with all welded /flanged joints complete all as specified and directed of the following sizes. Make :- Jindal/TATA/Prakash Surya

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

32 mm dia MS Pipes

25 mm dia MS Pipes

Supply,laying and fixing, testing and commissioning of MS Pipes with 32 mm thick nitrile rubber insulation pasted with suitable adhesive, wrapped with fibre cloth and finally coated with minimum 3 coats of Encoat paint to a minimum 10 mm thickness complete all as specified and directed. Make : Kflex/Aflex

Supply and fixing in position the insulated butterfly valves (PN-10) as per specification complete all as specified and directed of following sizes. Make:- Castle /Advance /Honeywell

100 mm dia

80 mm dia

Supply and fixing in position insulated balancing valves 80mm dia as per specifications complete all as specified and directed. Make:- Castle /Advance /Honeywell

Supply and fixing in position Check (Non return) valves 80mm dia as per specifications complete all as specified and directed. Make:- Castle /Advance

Supply and fixing of Y strainer 80mm dia as per specifications complete all as specified and directed. Make : Emerald/Rapid Cool/Sant

Supply and fixing in position insulated ball valves 25mm dia as per specifications complete all as specified and directed. Make: Castle/Advance/Honeywell.

Supply and fixing in position dial type mercury-in-glass filled industrial thermometers complete all as specified and directed. Make :- Fiebig / H Guru

Supply and fixing in position industrial pressure gauges having dial size 150 mm complete with SS syphon and cock complete all as specified and directed. Make :- Fiebig / H Guru

Supply ,installation, testing & commissioning of Insulated SS - 304 Chilled water tank of capacity 5000 litres insulated with 50 mm nitrile sheet complete all as specified and directed.

CONDENSER WATER CIRCULATION SYSTEM CONDENSER WATER PIPING Supply, laying and fixing the following nominal sizes of chilled plumbing pipes MS CLASS 'C' AS PER IS- 1239 inside/outside the building (with necessary clamps,vibrations isolators and fittings like valves ,flanges union etc but excluding valves ,Strainer gauges) cut to required length and welded at joints and inclusive of accessories like elbows ,tees , reducers, sockets including supports with all welded /flanged joints complete all as specified and directed. Make ;- Jindal/TATA/Prakash Surya

125 mm dia MS Pipes

100 mm dia MS Pipes

25 mm dia MS Pipes

Supply and fixing in position the butterfly valves as per specification of the following sizes: Make : Castle /Advance /Honeywell

125mm dia

100mm dia

25mm dia

Supply and fixing in position the ball valves 25 mm dia as per specification complete all as specified and directed.

Supply and fixing in position balancing valves 100 mm dia as per specifications complete all as specified and directed. Make : Castle /Advance /Honeywell

Supply and fixing in position the Check (Non return) valves 100 mm dia all as per specifications complete all as specified and directed. Make : Castle /Advance

Supply and fixing of Y strainer 100 mm dia as per specifications complete all as specified and directed. Make : Emerald / Rapid Cool / Sant

Supply and fixing in position water flow switch 25 mm dia as per specifications complete all as specified and directed. Make : Rapid Cool / Anergy

Supply and fixing in position non chemical type scale preventor suitable for 100 TR cap to be installed in Main header of condenser water piping complete all as specified and directed. Make : Scale Guard / Scale Off

M&L PVC make up water tank 06 layered, white coloured of 5000 Ltr capacity including necessary RCC foundation, float valve and pipe connections for cooling tower complete all as specified and directed. Make : Sintex / Polycon/Jindal/Polytuff/Plasto Note:- Quoted rates are inclusive of suitable RCC foundation,staging/platform as per site requirement.

Supply and fixing in position the automatic purging valves 25 mm dia complete all as specified and directed. Make : Rapid Cool / Anergy

Supply,installation, testing and commissioning of factory made LT panel board indoor type LT distribution switch gear and control, leg mounted, totally enclosed, cubical type modular compartment, dust and vermin proof with neoprene gasket, fabricated out of CRCA sheet of thickness not less than 2.00 mm complete with bus bas chamber having openable front and rear shutters with suitable locking arragement of shutter, duly powder coated shade No RAL 7032 after washing with RR-10 chemical for rust profing including PCC 1:2:4 type B-1 using 20mm graded stone agregate foundation raised base complete all as specified and directed of the following components :- (The work including connecting all incoming and out going cable feeders with suitable size lugs, glands etc. The panel should have base frame made out of equal angles 50mm X 6mm errected a depth 30 CM below GL including necessary earth work complete of suitable size)

Supply and laying cable XLPE PVC insulated and PVC sheathed LT 1100 volt grade with Copper conductor complete all as specified and directed of following sizes :-

LT XLPE cable 3.5 Core x 70 sqmm (Copper) Water Cooled Chiller

LT XLPE cable 3 Core x 6 sqmm (Copper) Condenser Water Pump

LT XLPE cable 3 Core x 6 sqmm (Copper) Chilled Water Pump

LT XLPE cable 3 Core x 6 sqmm (Copper) for cooling Tower

Supply, laying, effecting proper connections, testing & commissioning of 2 core 1.5 sqmm. PVC insulated copper multicore cables from starter panel to local Push Buttons for Cooling tower motors complete all as specified and directed.

Supply, laying, effecting proper connections, testing & commissioning of 6 core 1.5 sqmm. PVC insulated copper multicore cables from starter panel to Local Push Buttons for Cooling tower motors complete all as specified and directed.

Providing and fixing of weather proof Local Push button station for Cooling tower motor (near cooling tower) complete all as specified and directed.

Supply & installation of perforated MS cable trays of size 300 mm widthx50 mm deep x1.6 mm thickness 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 complete all as specified and directed.

Material and labour for earthing with Galvanised steel earth plate electrode of size 60cmx 60cm x 6.3mm thick buried directlly at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level , earth plate surrounded from all sides by 15cm thick packed layer of charcol dust an common salt filling in alternate layers and electrode connections by using Galvanised iron strip of 32 x 6 mm as earthing lead (upto the body of the equipment ) by means of bolts, nuts, check nuts, and washers made of galvanised iron and thimbles and protected by light grade 40mm dia GI pipe connected to main switch board of main control board and GI pipe medium grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover 80 mm thick with 2 Nos MS bar 16 mm dia handles and PCC chamber pit with PCC (1:3:6) type C-2 using 40 mm graded stone aggregate, including excavation and eath work in any type of soil, returning filling in approved soil and disposal of surplus soil to a distance not excdeering 50m all as specified and shown in electrical plate No. 3 of SSR 2009 ( Part-I) complete all as specified and directed.

M&L for galvanised iron strip 32x6mm with sadles and fixing screws etc. for roof conductors and down conductors above ground, fixed in repairs, complete all as specified and directed.

Dismantling of old existing AC Plant of cap 50 TR X3 Nos including all connected items, pump, cooling tower, pipeing valves, cabling, LT panels, connections etc and deposit to MES store Yard complete all as specified and directed.

Dismantling of old existing AC Plant of cap 5 TR X3 Nos including all connected items, pump, cooling tower, piping, valves, cabling, LT panels, connections etc and deposit to MES store Yard complete all as specified and directed.

Supply, installaiton, testing and commissioning of Air cooled Standard Inverter Package Air Conditioners of 5TR Capacity with eco friendly ref R-410A fitted with Hermetically sealed rotary DC inverter compressor complete with stepless capacity control, all fittings, inbuilt electric control panel & microprocessor controls. The indoors should deliver atleast 2200 CFM capacity 5.0 TR complete all as specified and directed. Note:- 02 Conditioners of 5TR working+ 01 Conditioners ofx 5TR standby Make :- Bluestar/Daikin/Carrier

Supply, installation, testing and commissioning of copper piping complete with all fittings such as bends, tees, elbows etc. including insulation as per specifications complete all as specified and directed for followings:- Make:- Totalline/Mandev/Mettube

Discharge line 7/8 inch

Liquid line 5/8 inch

Supply, installation, testing of strip heaters arranged in banks of cap (2x2KW) for each unit complete with control wiring gyser stat, humidistat and heating thermostat for monsoon re Heating and winter heating complete all as specified and directed. Make:- Daspass/Omega/Elmec as approved by GE

Supply, installation, testing and commission of drain water piping with PVC heavy duty pipes complete with all fittings such as bends, tees, elbws, flanges, pipe hangers, supports, anti-vibration hangers and insulation of size 25 mm dia complete all as specified and directed. Make :- Supreme/Kisan/Surya/Prince

Supply,installation, testing and commissioning of GI ducting with material as per technical specifications and drawings complete with all fitting, accessories dampers, vanes, take offs, canvas connections trasformation. The mouth piece of duct shall be made with 22G only. The rate shall include suspension and supporting arragement with angle iron and dash fasteners complete all as specified and directed for followings. Make:-TATA/SAIL

Supply, installation,testing & commissioning of aluminium extruded powder coated grilles & diffusers with aluminium volume control dampers as per design by manufacture complete all as specified and directed.

Supply, installation, testing & commissioning fire retardant non porous double layer flexible connection between each indoor unit and duct complete all as specified and directed.

Supply, installation, testing & commissioning of acoustic lining of duct work with 12mm thick fiber glass (density 48 kg/cum) stick using shlikote primer hot bitumen and mechanically fastened coered with RP tissue and 30G aluminium perforated sheet aucostic lining shall be rigid shall be figid board twiga 300 s sheet Aluminium extruded powder coated grilles & diffusers with Aluminium volume control dampers as per design omplete all as specified and directed.

M&L for thermal insulation with 13mm thick nitrile rubber with black BOPP tape 75mm wide complete all as specified and directed.

Supply & fix MS frame of suitable size with the recommendation of manufacturer with vibration pads for condenser unit complete all as specified and directed.

S&F control wiring with copper conductor, PVC insulated, unsheathed multi stranded 1.5 sqmm 2 core copper cable for interlocking between IDU & ODU (considering main supply & TPN/MCCB with double earth shall be provied by electrical contactor near each outdoor unit) complete all as specified and directed.

S&F control wiring with copper conductor, PVC insulated, unsheathed multi stranded 6 Core of size 1.5 sqmm copper drawn in and including PVC conduit of suitable size for interlocking arragement as per standard practice for thermostat, humidistate heater bank etc required for satisfactory completion of the job complete all as specified and directed.

Supply, Installation, testing and commissioning of packaged units 5.0 TR including lifting, shifting, Nitrogen pressure testing & gas charging complete all as specified and directed. Make :- Carrier/ Daikin / Hitachi

Supply, installation, testing and commissioning of factory made LT panel board indoor type LT distribution switch gear and control, leg mounted, totally enclosed, cubical type modular compartment, dust and vermin proof with neoprene gasket, fabricated out of CRCA sheet of thickness not less than 2.00 mm complete with bus bas chamber having openable front and rear shutters with suitable locking arragement of shutter, duly powder coated shade No RAL 7032 after washing with RR-10 chemical for rust profing including PCC 1:2:4 type B-1 using 20mm graded stone agregate foundation raised base complete all as specified and directed of the following components :- (The work including connecting all incoming and outgoing cable feeders with suitable size lugs. glands etc. The panel should have base frame made out of equal angles 50mm X 6mm errected a depth 30 CM below ground level including necessary earth work complete of suitable size)

Supply, installation, testing and commissioning of armoured copper conductor cable for each package unit 4 Core x 4 Sqmm complete all as specified and directed.

Supply and fixing 25mmx4 mm GI strip on surface or in recess for connections etc. as required complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode 600 x 600x 6mm thick buried directly in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal gound level connected to galvanized earth lead wire of size 4 mm dia bolts,nuts, check nuts and washer of galvanized iron or steel all as shown inelectrical plate No 3 connected to test point including testing complete including necessary excavation and earth work in any type of soil, PCC 1:3:6 type chamber MS funnel,watering GI pipe 20 mm dia medium grade, protection pipe 15mm dia of GI pipe light grade length upto test point pre cast RCC cover complete all as specified and directed.

Supply and fixing wire GI earth wire of size 4mm dia complete all as specified and directed.

M/S N.K BUILDERS

Leo Air and Power Solution pvt Ltd.

SATISH AND CO

SHRI RAMSONS PROJECTS CORPORATION

Shree Ayyappa Engineering

Electromech Engineers

Parksons Engineering Company Pvt Ltd