Tender for Providing Breakdown Maintenance of Split AC units in TE Buildings under Malappuram BA for a period of two years.

Amount

Part A Attending and rectification of inverter/ star rated / ordinary split type AC units on on call basis as per the BSNL standard maintenance scope & conditions including checking of components and accessories, checking and correcting discrepancies in electrical/ refrigerant/ drainage circuits , replacing faulty flexible drain pipe, checking functional parameters , cleaning of filters , general servicing of indoor outdoor units arresting drainage leakage if any etc. includingc replacing minor spares to make the unit in good working condition as required. (Replacement of major spares are not included under the scope of this work and if required any, will be paid as per Part B (item-3 to 15.02) of this schedule.)

Carrying out pressurised water servicing for condenser unit of all type inverter/star rated /ordinary split type AC units with pressure pump i/c cleaning and washing of air filters of indoor unit etc complete as reqd. to remove the accumulated dirts, (on call basis /once in six months) including arranging pressure washer for the same etc complete as required.

Part B Supply and Replacement of the following items which is suitable for 1.5 TR Inverter type Split Type AC units ,after removing the damaged items, including making all electrical and mechanical connections, testing and commissioning etc. as required

Indoor blower fan motor for 1.5 TR ST AC units

Starting /Running capacitor suitable for Compressor

Out door fan motor for 1.5 TR ST AC units

PCB Control card of 1.5 TR inverter type S/T AC units

Complete refilling of R-410 A refrigerant gas in 1.5 TR inverter type S/T AC units including flushing out the existing refrigerant gas, leak arresting, pressure testing etc as required

Topping up of R-410 A refrigerant gas in 1.5 TR inverter type S/T AC units etc as required

Dismantling the indoor fan motor, rewinding of indoor fan motor, refixing the same back in unit, giving connections, testing commissioning etc as reqd

Dismantling the outdoor fan motor, rewinding of indoor fan motor, refixing the same back in unit, giving connections, testing commissioning etc as reqd

Supply and Replacement of the following items which is suitable for 1.5 TR star rated /ordinary split type AC units ,after removing the damaged items, including making all electrical and mechanical connections, testing and commissioning etc. as required

Indoor blower fan motor for 1.5 TR ST AC units

Starting /Running capacitor suitable for Compressor

Out door fan motor for 1.5 TR ST AC units

PCB control card suitable for 1.5 TR S/T A/C Units

Cooling sensor suitable for 1.5 TR S/T A/C Units

Complete refilling of R-22 refrigerant gas in 1.5 TR S/T AC units including flushing out the existing refrigerant gas, leak arresting, pressure testing etc as required

Topping up of R-22 refrigerant gas in 1.5 TR S/T AC units etc as required

Supply of Rotary Compressor suitable for 1.5 TR S/T A/C (5 Star rated) units, fixing the same in unit, giving electrical and mechanical connections, leak testing, purging, gas charging with R22 gas etc as required

Replacing the faulty outdoor unit of AC Unit by swapping with the outdoor/ indoor unit of 1.5 TR Split Type AC unit available at BSNL buildings. Including giving all kind of mechanical and electrical connections, etc as required [If any shifting of material need to another station, transportation will be done by the department]

Replacing the faulty indoor unit of AC Unit by swapping with the outdoor/ indoor unit of 1.5 TR Split Type AC unit available at BSNL buildings. Including giving all kind of mechanical and electrical connections, etc as required [If any shifting of material need to another station, transportation will be done by the department]

Replacing the faulty compressor of AC Unit by swapping the compressor of 1.5 TR Split Type AC unit of the switched off / scrapped unit available at BSNL buildings. Including giving all kind of mechanical and electrical connections, etc as required [If any shifting of material to another station, transportation will be done by the department]

Dismantling the faulty control circuit board of 1.5 TR AC uint of following type, reparing and refixing including giving connection testing, commissioning etc as required

Inverter type

Normal / 3 / 4 / 5 Star type

Supplying and fixing combined supply and return refrigerant copper piping suitable for the AC units available at listed site, i/c supply and providing necessary thermal insulation and 3/4 core 2.5 sq.mm ISI marked PVC insulated copper conductor cable for interconnection between indoor and out door unit in 63 mm dia. Flexible PVC pipe etc. as reqd.

Supplying and fixing of powder coated heavy duty iron stand for mounting outdoor unit of the above AC including providing necessary hardware support etc complete as required.

Supplying and fixing the following size good quality 20 mm ISI mark PVC pipe with accessories for drain water connection etc. as required.