REPAIR MAINTENANCE OF COOLING APPLIANCES AT MAINTENANCE COMMAND COMMUNICATION FLIGHT SONEGAON, 22 PROVOST AND SECURITY, AKSTA AKSC VAYUSENA NAGAR, NAGPUR

Taking out unserviceable temp sensor and Supply and fix new Temperature sensor with cold assembly 230 v AC suitbale for split type Inverter/non inverter AC of 1.5/2 Ton capacity of make any make model complete all as specified and directed.

Taking out unserviceable air filter and Supply and fix new air filter suitable for split type Inverter/non inverter AC of 1.5/2 Ton capacity as per sample in Engr-in-charge office complete all as specified and directed.

Taking out unserviceable copper cappliary tube and Supply and fix new copper cappliary tube suitable for Split type Inverter/non inverter AC and water coolers of any make/model complete all as specified and directed.

Taking out defective capacitor and supply and fix running capacitir suitable for 1.5/2 ton 230 v split Inverter/non inverter AC 36/40/45/50/55/60/75/80/120 mfd complete all as specified and directed.

Taking down unserviceable fan motor blade assembly & supply and fix new fan motor blade assembly for split type Inverter/non inverter AC 1.5/2 Ton capacity of any make/model complete all as specified and directed.

Taking down unserviceable blower drum assembly and supply and fix new blower drum assembly suitable for 1.5/2 ton capacity of split type Inverter/non inverter AC for any make/model of any make/model complete all as specified and directed.

Taking down unserviceable condenser fan motor assembly and supply and fix new condenser fan motor assembly suitable for 1.5/2 Ton split type Inverter/non inverter AC of any make/model complete all as specified and directed.

Taking down unserviceable remote assembly kit and supply and fix new including PCB board suitbale for 1.5/2 TON cap split Inverter/non inverter AC of any make/model complete all as specified and directed.

Taking down unserviceable PVC drain pipe & supply and fix with new PVC drain pipe with clamps set of size 25 to 40 mm dia up to 2 mtrs complete all as specified and directed.

Taking down unserviceable PVC drain pipe & supply and fix with new PVC drain pipe with clamps set of size 15 to 20 mm dia up to 2 mtrs complete all as specified and directed.

Supply only cordless Remote suitbale for 1.5/2 Ton cap split type Invertor/non invertor AC of any make / model complete all as specified and directed.

Taking down unserviceable power contactor & supply and fix new power contactor suitable for 1.5/2 ton split type Inverter/non inverter AC of any make /model complete all as specified and directed.

Taking down unserviceable brass suction valve & supply & fix new brass suction valve 1/2, 1/4, 3/4, 3/8, 5/8 inch suitable for 1.5/2 ton split type Inverter/non inverter AC of any make /model complete all as specified and directed.

Taking down unserviceable brass discharge valve & supply & fix new brass discharge valve 1/2, 1/4, 3/4, 3/8, 5/8 inch suitable for 1.5/2 ton split/cassette type Inverter/non inverter AC of any make /model

Taking down unserviceable brass flare nut of any size supply and fix new brass flare nut 1/2, 1/4, 3/4, 3/8, 5/8 inch suitable for 1.5/2 ton split/cassette type Inverter/non inverter AC of any make /model complete all as specified and directed.

Supply and fix PVC rigid conduit pipe 20/25 mm dia including all accessories and necessary saddles with fixing screw, gutties etc. complete all as specified and directed.

Taking down unserviceable sheet metal enclusure with earth plug socket & suply and fix sheet metal enclosure with single pole and neutral with two pin and earth plug and socket complete with one single pole mcb of 20 amp complete all as specified and directed.

Supply and fix power unit for AC upto 2 ton, 4 module, 240 volts all as specified and directed. Make: Legrand cat No 675558 or equivalent in L & T/ Havells

Dismantling of 1.5/2 TR capacity of split/cassette type Inverter/non inverter AC and removing of existing indoor/outdoor units, including MS angular frame /MS channels, copper tube , foundation frames etc, complete and closing of holes of pipe line and drain water opening and making surface good with plastering and painting to match the existing colour of walls complete all as specified and directed.

Fixing of 1.5/2TR capacity of split/cassette type Inverter/non inverter AC indoor& outdoor units including MS chanels, modification of copper tubes including installation foundation frames of out door unit complete and provision of opening of through holes for pipe line and drain water in brick/stone masonary wall and disturbed surface making good with plastering and painting to match existing colour of walls complete all as specified and directed. Note: Item obtained from the above ser No 19 shall be reused.

Dismantling of unserviceable condensor coil complete and providing of new condensor coil of same size and quality complete suitable for split/cassette type Inverter/non inverter AC of capacity 1.5/ 2 Ton of of any make /model complete all as specified and directed.

Dismantling of unserviceable knob of thermostat and providing of new knob of thermostat of same size and quality suitable for the existing split/cassette type Inverter/non inverter AC of capacity 1.5/ 2 Ton of any make /model complete all as specified and directed.

Dismantling of defective compressor sealed unit from the existing AC's foundation by removing suction/ discharge line and providing of new compressor sealed unit of same size and quality from the manufacturers of ACs or of make authorised by the manufacturers of AC's, rotary/reciprocating type and checking (company re-oriented), system with nitrogen gas pressure, testing for leakages and vaccumisation of complete system with gas recharging with R-134a/R -22/R-32/R-410a gas as required and oil testing suitable for 1.5/2 Ton split/cassette type Inverter/non inverter type capacity including testing complete all as specified and directed. Note :- The quoted rate shall deemed to be included rates for refrigerant gas.

Taking out of defective fan motor and providing new fan motor suitable for existing make of AC Split/Cassette type Inverter/non inverter AC capacity 1/8 HP complete all as specified and directed.

All as per item No. 25 above but for fan motor suitable for Split/Cassette type Inverter/non inverter AC of capacity 1/10 HP.

Material and labour of taking out existing filter and capilary and replace by new filter and capillary of same size and quality suitable for Split/Cassette type Inverter/non inverter AC air conditioner 1.5/ 2 TR complete all as specified and directed.

Taking out defective capacitor and supply and fix fan motor capacitir suitable for 1.5/2 ton 230 v Split/Cassette type Inverter/non inverter AC of capacity 2.5/4 mfdcomplete all as specified and directed.

Taking out defective capacitor and supply and fix fan motor capacitir suitable for 1.5/2 ton 230 v Split/Cassette type Inverter/non inverter AC of capacity 6/10 mfd complete all as specified and directed.

Dismantling of existing unserviceable blower motor and providing of new blower motor double ended shaft type of same quality and charecteristics suitable for any make of 1.5/2 Ton capacity Split/Cassette type Inverter/non inverter AC of any make /model complete all as specified and directed.

Taking down of unserviceable PCB (Printed circuit board) and providing new PCB for indoor unit of 1.5 / 2.0 Ton capacity of Split/Cassette type Inverter/non inverter AC complete all as specified and directed.

Taking down of unserviceable PCB (Printed circuit board) and providing new PCB for outdoor unit of 1.5 / 2.0 Ton capacity of Split/Cassette type Inverter AC complete all as specified and directed.

Taking out of unserviceable swing motor and providing new swing motor of same quality and charecteristics suitable for any make of AC 1.5 / 2.0 Ton Split/Cassette type Inverter/non inverter AC complete all as specified and directed.

Dismantling old and providing new copper tubes of size 1/2, 1/4, 3/4, 3/8, 5/8 inch for suction line including rubber tube insulations of same size for fixing AC complete all as specified and directed.

Material and labour for checking of gas leakage of Split/Cassette type inverter/non inverter of capacity 1.5/2 Ton AC and supply and charging of gas, including vacummising, cutting, brazing after filling again and checking of gas leakage after gas charging for the following instruments :- Make of gas : R-134 a/R-22/R-32/R-410a. Note : (i) Contractor shall be ensure that gas charging to be measured as Job and if there is any leakage during the contract period, the same will be fullfilled by the contractor without any extra cost. (ii) No tools and plants, gas cylinder shall be issued by MES.

Supply only Refrigerant (R -22) suitable for Split AC complete all as specified and directed. Note: Empty cylinder will be issued by the department.

Supply only Refrigerant (R -134a/410A/R-32) suitable for split AC complete all as specified and directed. Note: Empty cylinder will be issued by the department.

Supply & Fixing pvc insulated 1100v grade of size 2.5 sqmm, 4 core pvc round sheathed insulated flexible FRLSH copper cable complete all as specified and directed.

Supply and fixing rubber insulation suitable for existing copper pipe from indoor unit to outdoor unit of Split/Cassette type Inverter/non inverter AC 1.5/2 ton capacity complete all as specified and directed.

Taking out old unserviceable Split/Cassette type Inverter/non inverter AC stand of outdoor unit and supply & fixing new stand suitable for 1.5/2 ton including necessary fixing arrangement complete all as specified and directed.

Taking down of defective cooling coil including freezer box and supply & fix new cooling coil including freezer box suitable for 165 to 310 Ltrs capacity for refrigerator including recharge of refrigerant complete all as specified and directed.

Taking down of unserviceable PCB (Printed circuit board) and providing new PCB for Refrigerator Inverter/ non inverter of capacity 165to 310 Ltrs complete all as specified and directed.

Taking out of defective fan motor and providing new fan motor of same quality and characteristics suitable to any make of water cooler type capacity 1/8 HP complete all as specified and directed.

Dismantling of unserviceable thermostate and providing of new thermostate with knob of same size for water cooler & Refrigerator complete suitable of any make and model complete all as specified and directed.

Material and labour for checking of gas leakage and supply and charging of gas, including vacummising , cutting, brazing after filling again and checking of gas leakage after gas charging for the following instruments :- Make of gas : R-134 a. Note: (i) Contractor shall be ensure that gas charging to be measured as Job and if there is any leakage during the contract period, then the same will be fullfilled by the contractor without any extra cost. (ii) No tools and plants, gas cylinder shall be issued by MES. (a) Refrigerator (165 Ltrs to 310 Ltrs)

(b) Drinking Water Cooler 40/80 Ltrs

Dismantling of existing unserviceable Float valve of size 15 mm and providing new one of same size, quality and characteristics suitable for Water Cooler complete all as specified and directed.

Dismantling of existing unserviceable magnetic door lining and providing new magnetic door lining suitable for refrigerator inverter/non inverter type of 165-310 Litres capacity complete all as specified and directed.

Dismantling of defective compressor sealed unit of refrigerator from existing foundation by removing suction/ discharge line and providing new approved compressor of equal capacity given below (company re-oriented) flushing complete system with nitrogen gas pressure testing for leakages, vaccumisation of complete system and gas charging with R - 134 of capacity 165 to 310 Ltrs Refrigerator Inverter/ Non inverter including connection suction/ discharge line complete all as specified and directed.

Dismantling of defective compressor sealed unit of water cooler from existing foundation by removing suction/ discharge line and providing new approved compressor of equal capacity given below (company re-oriented) flushing complete system with nitrogen gas pressure testing for leakages, vaccumisation of complete system and gas charging with F - 134 including connection suction/ discharge line complete all as specified and directed. (a) 40/60/80Ltrs capacity water cooler

Taking down of unserviceable condensor coil and providing new condensor coil of same size and quality for water cooler capacity upto 120 LPH complete all as specified and directed.

Taking out of defective water taps of water cooler and supply and fix new water taps chromium coated 15 mm dia push type of same quality and characteristics suitable to existing water cooler complete all as specified and directed.

Taking out of unserviceable PVC pipe and providing new PVC flexible pipe of 20/15 mm dia and of same quality for water circulation to air cooler complete all as specified and directed.

Taking out unserviceable and Supply and fix over load protector suitable for water cooler of 40/80/60/120/150 ltr cap of water cooler complete all as specified and directed.

Taking out defective capacitor and supply and fix running capacitor suitable for 40/80/60/120/150 ltr cap of water cooler complete all as specified and directed.

Taking down unserviceable starting relay and supply and fix starting relay for water cooler cap 40/80/60/120/150 ltrs complete all as specified and directed.

Taking down unserviceable fan motor blade & supply and fix fan motor blade for water cooler cap 40/80/60/120/150 ltrs complete all as specified and directed.

Taking down unserviceable insulation & supply and fix thermal insulation with fiber glass 15 mm thick for water cooler of any cpacity

Taking down unserviceable Water cooler tray 80/40,80/120 ltr and supply and fix new water waste tary stainless lteel material in existing water cooler all as specified and directed.

Taking down U/s plug top and supply and fix 16 amp 3 pin plug top all as specified and as directed

Supply and provide in holes of POP (Plaster of peris) alabaster plaster (1000 Gms ) very high strength, fast setting, dries fast, snow white colour, creamy consistency, compressive strength after 1 hrs : 150kg/cm2 complete all as specified and directed.

Labour and T&P for fixing desert cooler after necessary repairs. at any floors (viz. ground floor, first floor, second floor and third floor) at Vayusena Nagar, MCCF Sonegaon, 22 P & S at Nagpur Note : Contractor shall make his own arrangements to access various floors and to provide tools and plants for taking down and refixing of desert cooler complete all as specified and directed. Note: The rate quoted shall be deemed to included all these arrangements all as required at site .

Dismantling of unserviceable wood wool pad and providing not less than 2.5 kg adequate dense new wood wool complete including suitable size GI wire net support complete including fitted with bolts and nuts suitable for desert cooler as per sample complete all as specified and directed.

Material and labour for cleaning inner and outer portion of the body complete with emery sheet and applying two coats of synthetic enameled paint as per existing colour including water tank complete. Note : The Rate shall be including writing the PRB Page No and MES Serial No with RED colour paint (5 mm wide and height 05 cm english letter ) by using stencil complete all as specified and directed.

Taking out of unserviceable transperent flexible PVC pipe of 15 mm dia ISI Mark and providing new PVC transperent flexible pipe of 15 mm dia and of same quality for water circulation pump to air cooler top tray all as specified and as directed.

All as per item No. 67 above but but flexible PVC pipe of size 20 mm dia.

Dismantling of unserviceable submersible water circulation pump assembly and providing of new submersible electric driven single phase 230 volts, 18 watt water circulation pump, of head minimum 1.6 Mtr ISI Mark for desert cooler all as specified and directed by E-in-Charge

Material and labour for re-winding of exhaust fan motor of desert cooler of size / capacity 350 mm Exhaust fan. Note The cost shall be included taking down and re-fixing in existing location including clamp nut bolts etc complete all as specified and directed.

Material and labour for re-winding of exhaust fan motor of desert cooler of size / capacity 450 mm Exhaust fan. Note The cost shal be included taking down and re-fixing in existing location including clamp nut bolts etc. complete all as specified and directed.

Dismantling of unserviceable fan blade and providing of new fan blade suitable for exhaust fan of 350 mm size made out of MS casting suitable for existing desert cooler complete all as specified and directed.

Dismantling of unserviceable fan blade and providing of new fan blade suitable for exhaust fan of 450 mm size made out of MS casting suitable for existing desert cooler complete all as specified and directed.

Supply & fix in repair 15 mm ball valves high pressure of brass with epoxy coated Aluminium rod and high density plastic ball screwed for iron pipe and fixing with all connected accessories Complete. (Minimum weight- 142 gms) complete all as specified and directed.

Supply & fix in repair 25 mm ball valves high pressure of brass with epoxy coated Aluminium rod and high density plastic ball screwed for iron pipe and fixing with all connected accessories complete (Minimum weight-455 gms) complete all as specified and directed.

Taking down old unserviceable steel tube of 15mm dia supply and laying new GI tube, 15 mm dia, medium grade, with all fittings such as tees, bends, elbows, reducers, union etc. and fixing accessories such as lock nuts, saddles, pipe hook, etc complete fixed to walls and ceilings or laid in floors for desert cooler connection complete all as specified and directed.

All as per item No 76 above but 20mm dia

All as per item No 76 above but 25mm dia

Supply and fix in replacing gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe of size 25 mm dia and fixed on pipe complete all as specified and directed.

All as per item No 76 above but 20 mm dia

All as per item No 76 above but 15 mm dia

Taking down old unserviceable PVC water tank of any capacity and Supply and fix new rotational moulded polythene water storage tank of capacity 500 ltr three layer (cylindrical vertical with closed top threaded type ) in white colour and fix in position all as specified and directed.

All as per item No 82 above but of capacity 1000 ltr

Taking down unserviceable capacitor 4 MFD and Supply and fixing new capacitor 4 MFD, 400 Volts complete all as specified and directed. Make : Crompton/Havells/C&S / EPCOS (seimens)

Repair & replacement of control piano switch, flush type, 5 Amps suitable for existing desert cooler including taking down the old unserviceable switch complete all as specified and directed.

Repair & replacement of plug top, 3 pin, 5 Amps including taking down the old unserviceable plug top, complete all as specified and directed.

Repair & replacement of flexible FR PVC round sheathed insulated flexible copper cable of size 1.5 Sq mm, 3 core, including taking down old unserviceable cable complete all as specified and directed.

Supply and fix water tray of size 85 cm x 70 cm and height 20 cm, made of GI sheet 0.63 mm thick suitable for desert cooler including taking out old unserviceable tray complete all as specified and directed.

All as per item No 89 above but water tray of size 95 cm x 75 cm and height 20 cm

Material and labour for providing new plywood of 8 mm thickness,of size 1.10m x 0.95m and opening hole cutting of size 0.5m x 0.5m grade BWR,type BB,fixed with screwes to timber frame work in room windows suitable for desert cooler with grill face opening complete all as specified and directed.

Dismantling and removing of existing desert cooler, including MS angular frame /MS channels, foundation, frames etc, complete and closing of holes of pipe line and drain water opening and making surface good with plastering and painting to match the existing colour of walls complete all as specified and directed.

Taking down U/s rusted body cover and material and labour new desert cooler body cover made out of 01 mm thick galvanised steel sheet with wood wool fitted in frame made from 25x25x3 mm angle iron and 25x25 mm size MS wire mesh net of 14swg dia fitted on both sides for supporting wood wool including suitable size top and bottom water tray made of 1.00 mm GI sheet and all fixing accessories for fabrication of complete new outer shell body cover made out og GI sheet (body size 60 cm x 75 cm x100 cm) for desert cooler of size / capacity 5000 Cum Exhaust fan type and including preperation of surface and applying with two coats of synthetic enamel pait over one coat of primer by spray painting complete all as specified and directed.

All as per item No 93 above but of body size 80 cmx 60 cm x 90 cm) for desertcooler of size / capacity 4500 Cum Exhaust fan type

Taking down U/s angel iron frame wire mesh from existing cooler and supply and fix , frame made from 25x25x3 mm angle iron and MS wire mesh net of 14swg dia for complete cooler for supporting wood wool complete all as specified and directed.

Taking down u/s and Supply and fix Exhaust fan motor with blade and frame heavy duty industrial exhaust fan (18 inch/450 mm with IP 55 specification, rigid frame with rubber mounting for silent operation epoxy powder coated and better resistance to corrosion and acid alkali fumes , totally enclosed highly efficient copper wound motor including testing of motor, AC, 230/ 250 volts complete.

Taking down and remove carefully desert coolers from various buildings and floors (viz. ground floor, first floor, second floor and third floor) at Vayusena Nagar, MCCF Sonegaon, 22 P & S at nagpur after completion of summer season and store the same at place shown at site complete . Note : Contractor shall make his own arrangements to access various floors and to provide tools and plants for removing down and saperate storage of desert cooler as per direction of user various bildings complete all as specified and directed. Note: The quoted rate shall deemed tobe include all these arrangements all as required at site .

Taking down u/s and Supply and fix Exhaust fan motor with blade and frame heavy duty industrial exhaust fan (14 inch/350 mm with IP 55 specification, rigid frame with rubber mounting for silent operation epoxy powder coated and better resistance to corrosion and acid alkali fumes , totally enclosed highly efficient copper wound motor including testing of motor, AC, 230/ 250 volts complete all as specified and directed.

Repair/replacement of forged brass valve with crutch handle or butter fly valve handle, screwed for iron pipe or for brass ferrule and fixed size 15 mm bore dia of pipe complete all as specified and directed.