REPAIR AND MAINTENANCE OF EXTERNAL WATER SUPPLY LINE, AC, REFRIGRATOR AND OTHER SUMMER APPLIANCES ALONGWITH CONNECTED ITEMS AT AIR FORCE STATION BARWALA UNDER AGE (I) HIGHGROUND CHANDIGARH

WATER SUPPLY

Supply and fixing digital 2 ac timer for automatic on and off air conditioner size upto 2 tons complete all as specified and as directed by Engr-in-charge.

Taking out defective submersible pump & motor set 6 to 10 stage, 700-900 LPM at 112mtr head of any dia upto 150mm from bore well with the help of chain pulley after disconnecting electrical connections from motor starter, disconnecting the column pipe from supply pipe line, opening each column pipe by unscrewing nut bolt, rubber packing of each column pipe, submersible cable and keeping a side for reuse the number of column pipe to be taken out upto 24-28 Nos. alongwith submersible cable, for repair / replacement of parts to make it fully functional, reassembling the same after repair, lowering/ installation to its original position, electric connection of input/ output electric supply, connecting the column pipe to supply pipe line testing to its full load capacity at least for 4 hours and all other relevant tests including any minor repair, replacement of rubber gasket for column pipe etc. transportation to workshop and vice-versa, complete all as specified and directed .

Opening of pump set 6 to 10 stage, 700-900LPM at 112mtr head for repair and replacement of unserviceable parts, reassembling the same after repair, machining work of impeller housing, remetaling of pump shaft, grinding, scraping, cleaning and balancing the same to make it fully functional at the full load capacity including turning, balancing & alignment of shaft etc. reassembling of complete Pump & Motor set and testing on completion for the entire satisfaction of Engineer – in - Charge all as directed. Note:- Spare parts required to be replaced shall be measured and paid separately as 'Supply only'.

Supply only GM bush for 30 to 40 HP submersible motor complete all as specified and directed.

Supply only water seal for 30 to 40 HP submersible motor complete all as specified and directed.

Supply only Nonn return Valve for 700-1200LPM submersible motor complete all as specified and directed.

Supply only impeller key for 700-1200LPM submersible pump complete all as specified and directed.

Supply only bearing sleeve for 700-1200LPM submersible pump complete all as specified and directed.

Supply only impeller for 700-1200LPM submersible pump complete all as specified and directed.

Supply only CI stage bowl for 700-1200LPM submersible pump complete all as specified and directed.

Supply only stainless steel shaft for 700-1200LPM submersible pump complete all as specified and directed.

Supply only suction strainer for 700-1200LPM submersible pump complete all as specified and directed.

Supply only of Coupling set including key and MS nut bolt suitable for submersible pump sets, complete all as specified and directed.

Supply and fixing/laying in replacement cable submersible PVC insulated water proof with copper conductor cable 3x16sqmm ,1100 volt grade after taking out old unserviceable cable confirming to IS complete all as specified and directed.

Taking out self priming non clog pump set after removal of electrical connections, disconnecting suction/ delivery pipeline connection, from sewage well upto 10m depth and transportation to workshop for repair & vice versa. Refixing after carrying out repair /rewinding of non clog pump set electrically driven by 3phase 415volts capacity 5HP complete all as specified and directed. NOTE:- Repair / spare parts shall be measured & paid for separately

Taking out the burnt winding of stator of submersible/squirrel cage/TFT motor, removal of burnt insulation material from the slots, cleaning the stator slots and preparation for rewinding the same. Material and labour for winding the stator of motor 5HP with PVC insulated copper wire of standard size and superior quality as per the existing turns & gauge including 'F' class insulation materials to get the proper RPM and torque. Turning, balancing & alignment of rotor etc. Complete all as specified and directed. NOTE:- Repair / spare parts shall be measured & paid for separately

Terminal block of motor of capacity upto 5HP 415volts.

Bearing as per existing for motor of capacity upto 5HP 415volts.

Shaft of motor

Misc items i.e. stud, MS nut, bolts, keys etc..

Slip ring

Supply and fixing in repair liquid clorine / hypochloriite chemical dosing system with suction/ discharge & other accessories, capacity 8 litres per hour and injection pressure 0.9 Kg/Sqcm pump set suitable for injecting the dose of hypo chloride solution to get the result of chlorine contents, including multi core insulated copper conductor cable of required size as required as per the direction of engineer in charge.

Excavation in trenches not exceeding 1.5m wide and 1.5m deep, as in soft/loose soil for laying pipe lines, including getting out, complete all as specified and directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick, as in soft/loose soil, complete all as specified and directed.

Removal of excavated material (surplus soil) to a distance not exceeding 50m and depositing where directed at level not exceeding 1.5m above the starting point, complete all as specified and directed.

Taking out/down old GI pipe 20mm dia bore with fittings, laid in trenches, under floors or on roof, along walls etc, stacking serviceable and removal of unserviceable pipe, complete all as specified and directed. Note : Excavation & earthwork shall be measured and paid separately.

All as per item No 28 but GI pipe 25mm bore complete all as specified and directed.

All as per item No 28 but GI pipe 50mm bore complete all as specified and directed.

Supply and laying GI pipe medium grade 20mm dia with all fittings laid in trenches/fixed along with walls or laid under floors, complete all as specified and directed. Note :- Excavation & earthwork shall be measured and paid separately.

ied and directed. Note :- Spare parts required to be replaced shall be measured and paid separately as 'Supply only'.

Material and labour for removal for servicing to Water cooler operated on 240 volts single phase AC electric supply of any make/type 40/80Ltrs or 150Ltrs capacity, dry cleaning with blower / vacuum cleaner, washing with soap solution, under clean water pressure through jet, make it fully serviceable Cleaning of water storage tank, detection of water leakage, brazing / welding to restore the leakage and vice-versa, complete all as specified and as directed by Engineer-in-Charge. Note:- If any minor part/spare is required replacement at site, or any addition / alteration required deemed to be included in quoted unit rate and nothing extra shall be admissible on this account.

Supply and fix, Gun Metal gate valve with iron wheel head, screwed both ends for 20mm dia bore pipe, including taking down old and removal, complete all as specified and directed.

All as per item No 31 but GI pipe 25mm bore, complete all as specified and directed.

All as per item No 31 but GI pipe 50mm bore, complete all as specified and directed.

All as per item No 32 but Gun metal gate valve 25mm bore complete all as specified and directed.

Supply and fix, cast iron sluice valve for 50mm dia bore pipe, with flanged and drilled ends, any pattern, heavy duty, class PN 1.6, ISI marked & of specified make, Cast iron wheel, including joints and jointing materials as rubber washers/gaskets, bolts and nuts, etc, also taking down old and removal, complete all as specified and directed.

All as per item No 38 but 100mm bore complete all as specified and directed.

All as per item No 38 but 150mm bore complete all as specified and directed.

All as per item No 38 but 200mm bore complete all as specified and directed.

Material and labour, run lead joint for 80mm dia bore CI pipe and fittings, complete all as specified and directed.

Material and labour, run lead joint for 100mm dia bore CI pipe and fittings, complete all as specified and directed.

Material and labour, run lead joint for 150mm dia bore CI pipe and fittings, complete all as specified and directed.

Material and labour, run lead joint for 200mm dia bore CI pipe and fittings, complete all as specified and directed.

Draining out water completely from RCC over head Reservoir of capacity 50000 gallons in two parts at 50 feet staging and material and labour for desludging of RCC over head reservoir manually ,cleaning the inner portion of RCC tank by brooming with fine brush ,removing complete silt,sludge,vegetations unwanted foreign materials etc manually under artificial pressure from the tank, filling of cracks with pidilite /Dr fixit non shrink compound suitable to potable water to make tank leak proof. Making a block in Synthetic enamel paint 1mtr in height black base and writing in 100mmx100mm size letters with white synthetic enamel paint, DATE OF TANK CLEANING complete all as specified and as directed. Note:- The cleaning of RCC over head water tank will be carried out in every six months.

Excavation & earth work in any type soil for locating the leakage in existing cast iron water mains any type/size 80mm bore (including all fittings) and rectifying the leakage complete all as specified and directed. Note: Any CI fittings/specials, joint & jointing material etc required for the rectification of leakage shall be measured & paid for separately. Leakage must be done on same day on receiving of complaint telephonically or written otherwise fine of Rs 200/day will be charged.

All as per Serial Item No 47.00 here-in-before but CI pipe of 100mm bore complete all as specified and directed.

All as per Serial Item No 47.00 here-in-before but CI pipe of 150mm bore complete all as specified and directed.

All as per Serial Item No 47.00 here-in-before but CI pipe of 200mm bore complete all as specified and directed.

Excavation & earth work any type soil for locating the leakage in GI pipe lines of size 20/25 mm bore and rectifying the leakage complete all as specified and directed. Note: Cost of all GI fittings/special required deemed to be included in the rate quoted and nothing extra shall be admissible on this account.

All as per Serial Item No 50 here-in-before but GI pipe up to 40/50mm bore complete all as specified and directed. Note: Cost of all GI fittings/special required deemed to be included in the rate quoted and nothing extra shall be admissible on this account.

Collection of the water sample from the borewell duly sealed by the Engineer- in - Charge, carrying to the PHE UT Chandigarh/ Govt lab for testing, depositing it and collecting the test report from the lab & deposited with the department complete all as specified and directed.

Supply and fixing in repair fully automatic star - Delta Starter suitable for 40 - 50 HP Submersible motor 415 volts 50 HZ AC including over load relay, range and power contactor, single phase preventer with volt meter and ammeter and MCB TP etc complete all accessories pre-wired /connected with suitable size copper conductor. complete all as specified and directed.

Supply and fixing in repair DOL starter in sheet steel enclosure suitable for 5 HP Submersible pump set 415 volt 50 Hz complete including Power contactor, over load relay range 7 to 12 Amp, single phase preventer, pre-wired, complete all as specified and directed.

Material & Labour for replacement of cast iron Non return sluice valve with flanged ends and jointing materials such as nuts, bolts, washers heavy duty PN-1.6 of size 150mm bore complete all as specified and directed.

Supply and lowering MS column pipe confirming to relevant IS heavy duty 3 mtr depth of size 100mm dia with both end flanged /drilled and connecting complete with rubber gasket ,nuts bolts and washer complete all as specified and directed. Note:- 1. unserviceable column pipe shall be deposited to MES store yard or to be taken by contractor at his own arrangement as a credit. 2. All T&P required for taking out /lowering of pipe shall be managed by contractor and no extra shall be admissible on this account.

Development of tube well bore by compressor of minimum capacity of 500 Cft/Per minute and 150-200 PSIG or appropriate capacity as required on ground till the clear water is obtained, complete all as specified and directed.

Material and labour cast iron fittings for CI pipes in relacement such as bends, Tapers any type ,tee pieces single branch, "Y" junction,double branch, cross,collars, caps and plugs,tail pieces etc of any type and upto 150mm bore complete all as specified & dire

Material & Labour for cutting cast iron pipes in position for insertion of tee,collar,valven etc of following size. Bore of pipe 80mm.

All as per item No 60 but bore of pipe 100mm.

Supply and fixing of air release valve in 150mm dia bore pipe, with flanged and drilled ends, suitable pattern, heavy duty, class PN 1.6, ISI marked & of specified make, Cast iron wheel, including joints and jointing materials as rubber washers/gaskets, bolts and nuts, etc, also taking down old and removal, complete all as specified and directed.

All as per item No 60 but Bore of pipe 150mm.

Supply and fixing or laying Suction PVC Hose/Pipe, Green 50 mm dia leak proof, Heavy , flexible complete all as specified and directed.

Supply and and fix in replacement MCCB 100 Amp rating, 3 pole, 415 volts, breaking capacity 25 KA complete all as specified and as directed .

Supply and and fix in replacement On-load type changeover switch I-O-II type 100 Amp, 4 pole, 415 volt open execution type complete all as specified and directed.

Supply and fix in replacement MCCB 63 Amp rating, 3 pole, 415 volts, breaking capacity 25 KA complete all as specified and as directed .

Supply and and fix in replacement rotational moulded polythelene water storage tank 500 ltr capacity double layered cyliderical vertical with closed top ISI marked hoisted and fixed in position as specified in SSR part-I complete including tank nipples of 20/25 mm dia for making inlet and outlet connections all as directed.

Supply & fixing in repair single phase preventor suitable for 3- phase 415 volt electric motor having following safety parameter:- Single Phasing Phase reverse protection Over & under voltage protection.

Supply and fixing in repair water pressure gauge direct dialing type of size 100mm dia, 0-30Kg/Sqcm complete including suitable GI pipe with fittings for fixing with water mains CI pipe line 150mm dia bore, complete all as specified and directed.

Supply chlorine testing kit for analysing water any time all as directed by Engineer in Charge.

SUMMER APPLIANCES

Material and labour for applying two coats of cement base paint to the external surface of the reservoir and staging. Painting with black synthetic enamel paint to the all CI pipe line and other MS work etc fitted with the RCC OH reservoir and staging complete all as specified and as directed.

Material and labour for servicing to Split type AC operated on 240 volts single phase AC electric supply of any make/type capacity 1.5/2.0 Ton, both internal / external units of AC, dry cleaning with blower / vacuum cleaner, washing with soap solution and cleaning with water pressure through jet, make it fully serviceable , complete all as specified and as directed.

All as per item No 74.00 here - in- before but for window type AC unit of any make /model and capacity, complete all as specified and as directed.

Supply & fixing sealed Compressor operated on "R-22 refrigerant" Company replaced only, suitable for split AC 1.5 Ton capacity of existing make and model duly filled of gas, compressor oil including taking out old US compressor complete all as specified and as directed.

Supply & fixing the following spares/parts for split /window type AC unit including taking out old /US spares/parts complete all as specified and as directed.

Copper tube 1/2 inch bore including necessary insulation.

Copper tube 1/4 inch bore including necessary insulation.

Blade only for blower outdoor motor split unit any type.

Blade only for blower indoor motor split unit any type.

Blade only for blower window type unit any type.

Starting relay .

Over Load Protector

Thermostat switch .

Supply & fixing sealed Compressor operated on "R-22 refrigerant" Company replaced only, suitable for window type AC 1.5 Ton capacity of existing make and model duly filled of gas, compressor oil including taking out old US compressor complete all as specified and as directed.

Starting Capacitor 40-45 MFD any capacity

Blower motor for outdoor unit.

Blower motor for indoor unit.

Blower motor double shaft for Window AC unit.

Liquid line strainer

Running Capacitor 36MFD any capacity

PCB Cards of indoor unit

Material and labour for repair of Internal wiring for split unit of any capacity with single core copper conductor FRLS cable as per existing size only complete all as specified and as directed.

Capacitor 2-4MFD 230Volts.

Material and labour for repair of Internal wiring for window unit of any capacity with single core copper conductor FRLS cable as per existing size only complete all as specified and as directed.

Supply & filling/charging of gas refrigerant R-22 to split type AC 1.5 Ton capacity of any make and model including detection of gas leakage, brazing and welding etc., restore the gas pressure and creating vacuum complete all as specified and as directed.

Dismantling of submersible motor 30 to 40 HP 415 volts 50 Hz 3 phase AC electric supply, taking out the burnt winding of stator, removal of burnt insulation material from the slots, cleaning the stator slots and preparation for rewinding the same and material and labour for winding the stator of motor with PVC insulated copper wire of standard size and superior quality copper winding wire as per the existing gauge including the F class insulation materials, turning, balancing & alignment of rotor etc. to get the proper RPM and torque & tested to its full load capacity complete all as specif

Supply and fixing in repair sealed unit Hermatic Compressor Company replaced only suitable for Water Cooler 40/80Ltrs capacity of existing make and model duly filled of gas, compressor oil including taking out old/US compressor complete all as specified and as directed.

All as per item No 97 here in - before but for Window type AC 1.5 Ton cap complete all as specified and as directed

All as per item No 100 here in - before but for Refrigerator 165 to 180Ltrs capacity complete all as specified and as directed.

Supply and filling/charging of gas refrigerant R-22 for Water Cooler 40/80Ltrs capacity of any make and model including detection of gas leakage, brazing and welding etc., restore the gas pressure and creating vacuum complete all as specified and as directed.

Starting Relay Box 165 - 180Ltrs. capacity.

Overload Protection Box 165 - 180Ltrs. capacity.

Supply and Fix in replacement the following items of existing make and model suitable for refrigerator 165/320 capacity including taking out old /US spares / parts complete all as specified and as directed.

Thermostat switchfor refrigerator.

Capillary tubes copper 1/60"

Liquid line stainer

Internal wiring of refrigerator of any capacity

Running Capacitor 10MFD 230Volts.

Over Load Protector 40/80 Ltrs capacity.

Liquid line stainer any Capacity.

Blade only for condensor motor any capacity

Starting relay Kit 40/80 Ltrs capacity.

Suitable Thermostat switch .

Starting Capacitor 40-60MFD 230Volts.

Supply and fixing for replacement to the following items in lieu of provided with new of existing make and model suitable for water cooler any capacity including taking out old /US spares/parts complete all as specified and as directed.

Condensor motor only

Push Cock CP 15mm.

Magnetic Rubber gasket for top cover any capacity.

PVC Drain pipe 32mm bore not less than 1mtr in length.

Internal wiring of water cooler etc of any capacity

Running Capacitor 20MFD 230Volts.

Taking down carefully the following accessories /parts from existing desert cooler in lieu of providing new accessories /parts in desert cooler details as given in below complete all as specified and as directed:-

Supply and fix in replacemen Fan motor 350Watts 230Volts 3Speed copper winding single phase complete all as specified and directed.

Supply and fix in replacemen Submersible type Tulu pump 230Volts single phase with min 1100LPH at 1.5 mtr head complete all as specified and directed.

Supply and fix in repair Fan blade only.

Supply and fix in replacement Front girl of M S /PVC complete with slides operation and indicator lamps complete all as specified and directed.

Supply and fix in replacement Wood wool pad set of three of best quality including fixed wth bamboo stick any size complete all as specified and directed.

Supply and fix in replacement PVC pipe heavy duty 15mm bore ISI Marked complete all as specified and directed.

Supply and fix in replacement of PVC Distribution Tee, Elbows and other minor items (heavy duty) 15mm bore ISI Marked complete all as specified and directed.

Material and labour in repair for Internal wiring of desert cooler of any capacity complete all as specified and directed.

Supply,and fix in replacement of voltage stabilizers for automatic operation phase naturally air cooled indoor type & designed for input variation between 170-270 V with output voltage stabilized at 230 Volts with capacity 5KVA. including taking down/ out old/ unserviceable voltage stabilizer complete all as specified and directed. Make :V-Guard VND400 or equivalent in carrier/bluestar

Taking out burnt compressor after disconnecting suction and discharge line and supply and fixing compressor and testing the performance all as specified and directed by Engr-in-Charge for Deep freezer of Capaicty upto 320 Ltrs (Re Charging of gas will be measured and paid separetely)

Supply and charging Gas R-132 A or equivalent including necessary arrangement for charging gas & pressure testing complete all as specified conducted by Engr-in-Charge.

Supply and fixing for replacement of the following items in lieu of provided with new of existing make and model suitable for refrigerator any capacity including taking out old /US spares/parts complete all as specified and as directed by Engineer-in-charge

Fan Motor

per hour