REPAIR AND MAINT OF CENTRAL PACKAGE TYPE AC PLANTS, CONTROL PANELS AND OTHER CONNECTED WORKS AT CHANDIGARH AND TBRL RANGE RAMGARH

Amount

Overhauling to the unserviceable compressor Semi Sealed type capacity 25 Ton by opening, dismantling of compressor, necessary machining / mechanical repair work etc and replacement of wornout spare parts for smooth functioning of compressor, reassembling and testing for satisfactory operation all as directed by Engineer-in-Charge. The spare parts & other items required for replacement shall be measured and paid under Sch 'A' item No.2.00 to 2.09 separately. The spare parts which are not mentioned but are required for smooth and proper functioning / operation of compressor are deemed to include in the unit job. Note :- (Refrigerant gas and compressor oil shall be measured and paid separately under relevant item of Sch 'A').

Supply only in replacement of following spare parts for compressor Semi Sealed type capacity 25 Ton for Srl Item No 1.00 above. Connecting Rods

All as per serial item No 2.00 above but suction reed and spring.

All as per serial item No 2.00 above but discharge reed and spring.

All as per serial item No 2.00 above but piston ring set.

All as per serial item No 2.00 above but piston with pin

All as per serial item No 2.00 above but gaskit set

All as per serial item No 2.00 above but repair to crank shaft by machining work as required and directed.

All as per serial item No 2.00 above but main bush.

All as per serial item No 2.00 above but piston lock

All as per serial item No 2.00 above but loading unloading valve coil

Overhauling to the unserviceable compressor Semi Sealed type capacity 16 Ton by opening, dismantling of compressor, necessary machining / mechanical repair work etc and replacement of wornout spare parts for smooth functioning of compressor, reassembling and testing for satisfactory operation all as directed by Engineer-in-Charge. The spare parts & other items required for replacement shall be measured and paid under Sch 'A' item No 4.00 to 4.16 separately. The spare parts which are not mentioned but are required for smooth and proper functioning / operation of compressor are deemed to include in the unit job. Note :- (Refrigerant gas and compressor oil shall be measured and paid separately under relevant item of Sch 'A').

Supply only in replacement of following spare parts for compressor Semi Sealed type capacity 16 Ton for serial item No 3.00 above. Connecting Rods

All as per serial item No 4.00 above but connecting rods bearing in two half

All as per serial item No 4.00 above but suction reed and spring.

All as per serial item No 4.00 above but discharge reed and spring.

All as per serial item No 4.00 above but piston ring Set

All as per serial item No 4.00 above but piston

All as per serial item No 4.00 above but pistion Pin Bush

All as per serial item No 4.00 above but piston Pin

All as per serial item No 4.00 above but piston Lock

All as per serial item No 4.00 above but piston Liner

All as per serial item No 4.00 above but retaining Plate

All as per serial item No 4.00 above but discharge Valve Assembly

All as per serial item No 4.00 above but shaft seal assembly.

All as per serial item No 4.00 above but gaskit set

All as per serial item No 4.00 above but repair to Crankshaft by machining work as required and directed

All as per serial item No 4.00 above but 'O' Ring Set

All as per serial item No 4.00 above but main bush.

Supply and fixing in replacement of size A28 Section-A V-Belt as per existing complete all as specified and directed.

All as per serial item No 5.00 above but A32 Section-A V Belts

All as per serial item No 5.00 above but B68 Section-B V Belts

All as per serial item No 5.00 above but B95 Section-B V Belts

Supply and filling compressor oil complete all as specified and directed.

Supply and Fixing in replacement Gun metal butterfly valve of 200 mm bore after removing old defective valve and providing necessary aluminium cladding & insulation as per existing complete all as specified and directed.

All as per serial item No 7.00 above but of bore 150 mm

All as per serial item No 7.00 above but of bore 125 mm

All as per serial item No 7.00 above but of bore 100 mm

All as per serial item No 7.00 above but of bore 80 mm

All as per serial item No 7.00 above but of bore 65 mm

All as per serial item No 7.00 above but of bore 50 mm

All as per serial item No 7.00 above but of bore 40 mm

Supply and Fixing in replacement bronze gate valves of size 15 mm with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

All as per serial item No 8.00 above but of size 20 mm complete all as specified and directed

All as per serial item No 8.00 above but of size 25 mm complete all as specified and directed

Supply and fixing in replacement ball brass valves of size 15 mm dia, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and directed.

All as per serial item No 9.00 above but of size 20 mm complete all as specified and directed.

All as per serial item No 9.00 above but of size 25 mm complete all as specified and directed.

Material and labour for galvanised iron pipe medium grade of dia 25 mm including all fittings like elbows, bends, nipples, tees, plugs and unions etc. complete for making connections to cooling towers/ condenser or chilled water line for air release/make up water tank etc. all as specified and directed.

All as per serial item No 10.00 above but of dia 20 mm.

All as per serial item No 10.00 above but of dia 15 mm.

Material and labour for laying MS pipe heavy grade of dia 40 mm with all fittings for making connections to cooling towers/ condenser or chilled water line complete all as specified and directed.

All as per serial item No 11.00 above but 50 mm.

All as per serial item No 11.00 above but 65 mm.

All as per serial item No 11.00 above but 80 mm.

Material and labour for flushing of nitrogen gas in central type AC plant Cap16 to 33 TR to detect the leakage in the system plugging the same including internal cleaning and sludging out of wastage complete all as specified and directed.

All as per serial item No 12.00 above but capacity of upto 16 TR.

Material and labour for charging of refrigerant gas R-22/R-407C in AC plant complete all as specified and directed.

Material and labour for dismantling unserviceable electric motor AC 3 Phase of capacity 2/3/5/7.5/10 HP and rewinding with super enamelled copper winding wire of existing size and replacing other burnt items including installing and testing complete all as specified and as directed. Note:- Copper Winding wire shall be measured and paid separately under respective Item.

Supply and fix in replacement super enamelled copper winding wire

Supply and fixing in replacement ball bearing No 6206/6208/6306/6307 complete all as spcified and directed.

Supply and fixing in replacement ball bearing No 6308/6309/6310 complete all as spcified and directed.

Supply and fix in replacement of cooling fan (PVC) for 3 HP/ 5 HP rating water pump sets including dismantling of old one complete all as specified and directed.

All as per serial item No 18.00 above but 7.5 HP / 10 HP

Repair and overhauling to air handling unit of Central AC Plants, dismentling of Air filters and cleaning the cooling coil with chemical and refixing the air filter after cleaning and testing and greasing the bearing of blower shaft etc complete all as specified and directed by Engr-in-charge for the Air handling unit of 2x25 Ton Central AC plant at Spark Range, Zone-I AHUs.

All as per serial item No 19.00 above but air handling unit of 3x33 Ton Central AC plant at Instrument Bldg, Zone-I

All as per serial item No 19.00 above but air handling unit of 3x25 Ton Central AC plant at DEC Bldg, Zone-I

All as per serial item No 19.00 above but air handling unit of 3x16 Ton Central AC plant at ETF Vibration Bldg

All as per serial item No 19.00 above but air handling unit of 5x66 Ton Central AC plant at AAG Zone

All as per serial item No 19.00 above but air handling unit of 3x25 Ton Central AC plant at Zone -II

All as per serial item No 19.00 above but air handling unit of 4x12.5 Ton Central AC plant at Old RTRS, Zone - VIII

All as per serial item No 19.00 above but air handling unit of 3x13 Ton Central AC plant at Zone -III

Supply and fix in replacement of suction/discharge oil pressure gauge / water pressure gauge of size 100 mm dia with pressure range 0-150 PSI/ 0-300 PSI complete all as specified and directed.

Overhauling to FRP cooling towers by draining the water, cleaning the scales and dirt, washing the PVC fills by opening and dismantling the CT fan , replacing the damamged fills with new ones, re-assembling and testing as per direction of Engineer - in - charge. Note : New PVC fills shall be measured and paid as Supply and fix in replacement separately under respective item of schedule.

Supply and fixing in Replacement of PVC fills blocks for FRP cooling tower complete all as specified and directed.

Descaling of each condensor of Central AC plant, dismentling of existing water pipe line , filling the descaling compound (Chemical RXSOL-41-8865-025) in condensor, flushing out the same after 24 Hours, cleaning the condeser tubes with water by using nylon brush with rod to remove the scaling complete all as specified and as directed by Engr-in-charge for the 2x25 Ton Central AC plant at Spark Range, Zone-I AC Plants.

All as per serial item No 23.00 above but 3x33 Ton Central AC plant at Instrument Bldg, Zone-I

All as per serial item No 23.00 above but 3x16 Ton Central AC plant at ETF Vibration Bldg

All as per serial item No 23.00 above but 5x66 Ton Central AC plant at AAG Zone

All as per serial item No 23.00 above but 3x25 Ton Central AC plant at Zone -II

All as per serial item No 23.00 above but 3x13 Ton Central AC plant at Zone -III

All as per serial item No 23.00 above but 3x12.5 Ton Central AC plant at Old RTRS, Zone-VIII

All as per serial item No 23.00 above but 3x25 Ton Central AC plant at DEC Bldg Zone -I

Cleaning of fins type air cooled condensing unit of Package type AC Plant with caustic soda , after that flushing /cleaning the condeser coil and fins with water by using nylon brush to remove the dirt and scale complete all as specified and as directed by Engr-in-charge for the 2x11 Ton Package Type AC plant at PFC Bldg , SWS Complex

All as per serial item No 24.00 above but 1x11 Ton Package type AC Plant at Project Office Bldg, SWS Complex and 2x11 Ton Package type AC Plant at Zone-VII

All as per serial item No 24.00 above but 2x5.5 Ton Package Type AC plant at Zone V

All as per serial item No 24.00 above but 4x16.5 Ton Package Type AC plant at Auditorium Zone I

All as per serial item No 24.00 above but 3x8.75 Ton Package Type AC plant at Workshop Zone I

All as per serial item No 24.00 above but 4x8.5 Ton Package Type AC plant at Auditorium, SASE, Sec-37, Chandigarh

Servicing of Package type/Central type AC Plants of various Capacity by checking electrical control panel connections/wiring and display cntroller unit function complete all as specified and as directed. Note :- Servicing of these Package type AC plant will be done by OEM (i.e Voltas Co.) or through authorised dealer of OEM.

Supply and fixing in replacement electrical control panel of Package type/Central type AC Plants of various Capacity complete all as specified and directed.

Supply and fixing in replacement Display controller unit of Package type /Central type AC Plants of various Capacity complete all as specified and directed.

Supply and fix in replacement HP/LP pressure cut out switch complete all as specified and directed.

Supply and fix in replacement Water Flow switch 220 V AC 10 Amps for Condenser/Chilled Water complete all as specified and directed.

Supply and fix in replacement finned strip heater having terminal at one end and two holes at another end for installation, 240 volt, 3 KW complete all as specified and directed.

Supply and fix in replacement finned strip heater having terminal at one end and two holes at another end for installation, 240 volt, 2 KW complete all as specified and directed.

Supply and fix in replacement finned strip heater having terminal at one end and two holes at another end for installation, 240 volt, 1.5 KW complete all as specified and directed.

Material and labour for preperation of old painted surfaces of MS / GI pipe line of condenser and chilled water and applying two coats of synthetic enamel paint on steel/iron surfaces complete all as specified and directed.

Material and labour for preperation of old painted surfaces of Cooling tower fiber body and CT Fan motor of any capacity and applying two coats of synthetic enamel paint complete all as specified and directed.

Material and labour for preperation of old painted surfaces of condenser water/chilled water monoblock pumpsets of capacity upto 10 HP and applying two coats of synthetic enamel paint on steel/iron surfaces complete all as specified and directed.

Material and labour for preperation of old painted surfaces of control panels of AC Plants of any capacity and applying two coats of synthetic enamel paint on steel/iron surfaces complete all as specified and directed.

Material and labour for preperation of old painted surfaces of Chiller/Package unit including condensers/ condenser fan assembly, compressors, frames, valves etc. of any capacity and applying two coats of synthetic enamel paint on steel/iron surfaces complete all as specified and directed.

Supply and fixing in replacement Fan assembly with blade for FRP Cooling towers as per sample of approved make complete all as specified and directed

Supply and fix in replacement Syphon with cock complete all as specified and as directed by Engr-in-charge

Supply and fix in replacement Industrial type thermometer complete all as specified and directed.

Supply, install, testing and commissioning of Hermetically sealed Scroll Compressor of capacity 11.00 Ton compatible with R22 refrigerant gas , suitable for Water cooled AC Plant complete all as specified and directed. Make :- Danfoss

Supply, install, testing and commissioning of Hermetically sealed Scroll Compressor of capacity 8.5 Ton compatible with R22 refrigerant gas , suitable for Ductable AC complete all as specified and directed.

Supply, install, testing and commissioning of sealed unit compressor of Cap 2.0 Ton after taking down defective compressor from foundation and making connection with suction/discharge of the AC capacity 2.0 Ton complete all as specified and directed.

Supply, replacing, commissioning and testing of mono block water pump set electric driven 415 volt 2850 RPM cap 5 HP suitable for existing suction/discharge as per site requirement and not less than 30mtr head suitable for condensor water complete all as specified and directed.

Supply, replacing, commissioning and testing of mono block water pump set electric driven 415 volt Cap 7.5 HP suitable for existing suction/discharge of condensor/chilled water as per site requirement complete all as specified and directed.

Material and labour for Insulation of M S Pipe with PUF slab 30 mm thick with and including applying bituminuous compound and Aluminium cladding with 26 gauge Aluminium sheet for MS pipes of 50mm dia complete all as specified and directed.

All as per serial item No 46.00 above but 65 mm

Supply and fixing for Display Board for electric shock treatment chart/ Maintenance Chart/ Description Chart of size 850x600 mm made out of CRCA sheet 2 mm thick with square pipe 35 mmx35 mm fixed around sheet by welding and making hanging arrangements on top of the board. Board shall be painted with two coats of stove enamelled paint (navy Blue) over a coat of red oxide primer and writing the detail with fluoroscent reflective tape (as per sample) by digital computerized printing style complete all as specified and directed.

Supply and fixing synthetic insulating rubber mat of size 2 metre x 1 metre x 19 mm (ISI Marked) suitable for control panels of AC Plants complete all as specified and directed.

Taking out old unserviceable MCB/ MCCB from LT Panel and supply and fix new MCB/ MCCB of size MCCB rating 100 Amps, 4 pole, 415 volts breaking capacity 25 KA and capacity complete all as specified and directed.

All as per serial item No 49.00 above but MCCB rating 125 Amps, 4 pole, 415 volts breaking capacity 25 KA.

All as per serial item No 49.00 above but MCCB rating 200 Amps, 3 pole, 415 volts breaking capacity 35 KA.

All as per serial item No 49.00 above but MCCB rating 250 Amps, 3 pole, 415 volts breaking capacity 35 KA.

All as per serial item No 49.00 above but MCB TPN rating 40 Amps, 4 pole, C-type, 415 volts breaking capacity 9 KA.

All as per serial item No 49.00 above but MCB TPN rating 63 Amps, 4 pole, C-type, 415 volts breaking capacity 9 KA

All as per serial item No 49.00 above but MCB TP rating 40 Amps, 3 pole, C-type, 415 volts breaking capacity 10 KA.

All as per serial item No 49.00 above but MCB SP rating 6-32 Amps, single pole, 240 volts.

All as per serial item No 49.00 above but MCB SPN rating 40 Amps, single pole neutral, 240 volts.

Taking out old unserviceable power/auxiliary contactor from control panel / starter and supply and fix new power contactor of size AC3 rating 9-25 Amps MNX type and capacity complete all as specified and directed.

All as per serial item No 50.00 above but power contactors AC3 rating 25 Amps ML type.

All as per serial item No 50.00 above but power contactors AC3 rating 32-40 Amps ML type.

All as per serial item No 50.00 above but auxiliary contactors NONC/2NO2NC.

Taking out old unserviceable Timer Switches from LT panel / starter and supply and fix new Timer Switches timer switch range 0 to 60 second complete all as specified and directed.

Supply and fix in replacement of terminal block complete all as specified and directed.

Supply and fix in replacement phase failure relay with fixed under & over voltage cut out complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement outdoor unit suitable for/compatible with Split AC indoor units of capacity 2.0 ton including PCB for automatic control, condenser fan motor with fan blades and rotary compressor complete all as specified and directed.

Supply and fix in replacement Digital Volt Meter, complete all as specified and directed.

Supply and fix in replacement Digital Ampere Meter, complete all as specified and directed.

Supply and fix in replacement single phase preventor complete all as specified and directed.

Supply and fix in replacement On / Off push button with lense complete all as specified and directed.

Supply and fix in replacement compressor motor protector relay 22 A,240V reset delay 30 min + 5 min complete all as specified and as directed by Engineer-in-charge.

Supply, installation and testing of Printed Control Boards of Indoor unit and Outdoor unit both of Cassette type AC (Inverter type) Cap 2.5 TR Make: LG Model No. ATNW306PLF0 complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement time delay relay range 0-30 Sec complete all as specified and directed.

Supply and fix in replacement temperature control switch complete all as specified and directed.

Supply and fix in replacement indicating light universal complete all as specified and directed.

Supply and fix in replacement toggle switch 15 Amps complete all as specified and directed.

Supply and fixing hot dip galvanised perforated cable tray of size 200 mm x 50 mm made out of 2 mm thick sheet, joined with connectors, suspended from the ceiling or wall with GI suspender including bolts, nuts, suspenders duly painted etc complete all as specified and directed.

All as per serial item No 66.00 here-in-before but cable tray of size 100 mm x 25 mm x 2 mm thick.

Supply and fix in replacement PVC insulated PVC sheathead cable galvanized steel strip or wire armoured heavy duty electric cable with stranded copper conductor size 10 Sqmm 4 Core 1100 volts grade complete all as specified and directed.

Supply and fix in replacement PVC insulated PVC sheathead cable galvanized steel strip or wire armoured heavy duty electric cable with stranded copper conductor size 6 Sqmm 4 Core 1100 volts grade complete all as specified and directed.

Supply and fix in replacement thermostat for heating control range 0-30 degree centigrade complete all as specified and directed.

Material and Labour for painting to existing AC installations sign board of size 1.2 metre x 1.0 metre with two coats of synthetic enamel paint approved colour over a coat of primer and writing letters in 4 inches sizes and colours as required including scrapping out old rusted paints complete all as specified and directed.

Overhaulling/Serviceing of voltage stablizer of capacity 15 KVA/20 KVA 3 phase by checking of PCB plate, main transformer, control transformer, servo motor, Dimmer and resistance port etc and making necessary adjustment by replacing screw, lugs, sholdering of loose connection, wiring etc. Complete all as specifed and as directed. (Spare parts shall be measured and paid seperatly under respective items)

Supply and fixing in replacement of PCB complete all as specified and directed.

Rewinding of main transformer with super enamelled copper wire of suitable size complete all as specified and directed.

Supply and fixing in replacement digital volt meter square type 0 to 300 volt complete all as specified and directed.

Supply and fixing in replacement Servo motor 220 volt 3 Kg torque, 60 RPM complete all as specified and directed.

Supply and fixing in replacement of LED indicating lamp complete all as specified and directed.

Supply and fixing in replacement of toggle switch complete all as specified and directed.

Supply and fixing in replacement resistance port complete all as specified and directed.

Supply and fixing in replacement control transformer complete all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 60cm X 60cm X 6.0mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5mtr below normal ground level connected to GI earth strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron complete earth pit of PCC M-10(Nominal mix) using 20mm graded stone aggregate, 50mm thick earth pit cover of RCC M-15 (Nominal mix) using 20mm graded stone aggregate with MS TMT reinforcement bar of 8mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape, PGI funnel, wire mesh and 20mm bore GI water pipe medium grade and 40mm bore light grade GI pipe for protection of earth strip from plate to main switch board, common salt, charcoal dust including testing on completion complete all as specified and as directed all as shown in electrical plate No. 5 including testing on completion and making good the disturbed surfaces of wall floors etc without claiming extra cost all as directed by Engr-in-Charge. (Note: GI strip & GI pipe beyond 7.5Mtr length from earth electrode shall be measured and paid separately).

Material and labour for earth continuity conductor size 32x6 mm galvanized iron strip complete all as specified and directed by Engineer-in-charge

Supply and fixing in replacement PCB of cooling unit of split AC 1.5/ 2.0 Ton complete all as specified and directed.

Supply and fix Rotational moulded polyethylene water storage tank of storage capacity 1000 Litres (cylindrical vertical with closed top) hoisted and fixed in position including fixing of inlet and outlet pipes, flaot valves and other necessary accessories complete all as specified and directed by Engineer-in-charge.

Supply and fixing Chicken Wire mesh of medium SS material , Hexagonal weave type, fine finish suitable for cooling tower protection including all necessary nuts, bolts, screws, washers etc. all as specified and directed by Engineer-in-Charge.

Material and labour for insulation of MS Chilled water Pipes of any size with Class 'O' Nitrile Sheet of thickness 25 mm having factory evaporated aluminum foil using suitable adhesive of approved make and sealing all the longitudinal joints and circular overlaps with suitable ALP tapes 50 mm x 3 mm complete all as specified and directed.

Dismantling, taking down old unserviceable FRP cooling tower of Capacity 50 Ton and Supply, installation, testing and commissoing of FRP cooling tower square/rectangular shaped induced draft counter flow type of capacity 50 TR with FRP body and base, water spray headers, cooling tower fills and fan with motor of Cap 3 HP suitable for Chilled water cooled central AC plant of cap 2x25 TR at Zone-II.

Supply and fixing in replacement 50 mm thick washable type pre-filters with filter element made out of synthetic non-woven media supported by HDPE mesh on both side including stitching in diamond pattern complete including frame, suitable for efficiency 90% down to 10 micron EU-3 Type complete with mounting frame work.

Supply and fix in replacement Solenoid coil AMG type 120-240 volts complete all as specified and directed.

Material and labour for MS framed work with Mild Steel confirming to Fe-290 Gde-E-165 as required at site complete all as specified and directed.

Material and labour for repair of PCB of control panels of Chilling Units/Package Units of any capacity including checking the components, replacing damaged componenets with new ones, making the PCB fully functional till Engineer-in-Charge's satisfaction complete all as specified and directed.

Taking out old unserviceable thermal overload relay from LT Panel/Control Panel/Starter and Supply and Fix new thermal overload relays ML Type of any range as per existing complete all as specified and directed.

Supply, install, testing and commissioning of sealed unit compressor of Cap 1.5 Ton after taking down defective compressor from foundation and making connection with suction/discharge of the AC capacity 2.0 Ton complete all as specified and directed.

Taking out old unserviceable thermal overload relay from LT Panel/Control Panel/Starter and Supply and Fix new thermal overload relays MN Type of any range as per existing complete all as specified and directed.

Supply and fixing bus bar chamber of suitable size with 4 strips 200 Amps bus bar aluminium along with MCCB of 100 Amp 4 pole adjustable type duly connected to aluminium strip at Incoming side with suiatble space for 2 incoming cables and outgoing of 2 cables .Bus bar fixed on insulators in zig-zag position, clearance in each strip and clearance at both side should not be less than 125mm with sufficient working space, height of bus bar chamber not less than 1 mtr, mounted on MS angle 50x6mm, made of CRCA sheet 3 mm thick outdoor type, powder coated, both side opening, shutter in two halves, cable opening from bottom side with indicators R,Y,B, hinges through out the length of shutter with half turn locking arrangement, including grouting in PCC, all as directed by Engr-in-Charge. (Note : Size of Bus Bar chamber should not be Less than 1000 MM X 600 MM X 350 MM(LxBxD) all as specified and directed.)

Supply and fixing refrigerant copper tubing 1/2" with 22 SWG as per site requirement including making joints complete all as specified and directed.

Supply and fixing refrigerant copper tubing 5/8" with 22 SWG as per site requirement including making joints complete all as specified and directed.

Shivalik Enterprises

Baliyan Electrical Works