repair maintenance of various electrical installations and mechanical equipments at 1) Fire Safety Management Academy 2) Guru Nanak Dev Polytechnic College 3) Division office, Kashmere Gate, Delhi (SH : Servicing routine maintenance of STAC /WTAC and RO of different makes)- 1 Comprehensive routine maintenance of Window / Split / Cassette type ACs units of 1.5 / 2.0 / 4.0 TR capacity units of different makes installedat various locations as per inventory attached,i/c repairing / replacement of remote, capacitor running type, all types of defective parts, gun metal taps, electronic parts ,float valve assembly excluding topping up of refrigerant in compressor, refrigeration pipe, PCB for indoor/outdoor complete as per terms and conditions, and timing as per direction of Engineer -in- charge & wherever reqd. (70 Units X 8 Months = 560 Units) 2 Complete servicing of WTAC/STAC/Cassette unit of 1.5 / 2.0 / 4.0 TR capacity including dismantling the AC from its existing position at various locations/grill/window cutting, washing with High pressure water spray electric machine coil cleaning with D- Scaling Chemical, drying with air blower ,oiling, greasing, of blower fans cleaning of evaporative and condensing coil with suitable chemical like coil cleaner, as required in its existing position complete as per direction of Engineer -in- charge & wherever reqd. 3 Replacement of printed circuitassembly (PCB) of the Existing indoor Unit Split/WTAC/Cassette AC 1.5/2.0/4.0 TR Complete with connection & Testing etc. as required at sidein the machine as per requirement & approval of the Engineer-in-Charge. (Dismantled material shall be retained by the contractor) 4 Replacement of printed circuit assembly (PCB) of the Existing Outdoor Unit Split AC/WTAC/Cassette 1.5/2.0/4.0 TR with connection & Testing etc. as required at sidein the machine as per requirement & approval of the Engineer-in-Charge. (Dismantled material shall be retained by the contractor) 5 Repairing of PCB card of 1.5/2.0/4.0 TR capacity WTAC/split/Cassette type AC unit having following capacity after dismantling the defective card from AC unit & refixing the same i/c connections of electrical wires/cables & thimbles connection, testing & commissioning etc. complete as required. 6 Supplying & charging of Refrigerant gas (R-22/32/410 refrigerant suitable as per requirement of AC unit) in the following type capacity AC units i/c leakage testing removing the leakage, pressure testing, flushing the complete system, vacuumizing and gas charging complete as required. (Cost for gas & labour charges already included in the below mentioned item) (a) In 1.5 TR STAC capacity 7 b) In 2.0 TR STAC capacity 8 c) In 4.0 TR Cassete AC capacity 9 Supplying & Fixing of hard drawn copper suction and discharge refrigeration pipe of size 5/8and 3/8 suitable for 2 TR STAC duly insulated by nitrile rubber, covererd with MS pipe for safety of the pipe along with necessary support,clamps,brackets as required as per site requirement. 10 Supplying & Fixing of hard drawn copper suction and discharge refrigeration pipe of size 1/2and 1/4 suitable for 1.5 TR STAC duly insulated by nitrile rubber, covererd with MS pipe for safety of the pipe along with necessary support,clamps,brackets as required as per site requirement. 11 Supplying of following accessories for the existing 1.5 TR/ 2 TR. capacity WTAC / STAC unit, using existing man power for replacement on day to day maintenance work: a) 15 Amp 3 Pin plug Top (ISI Marked) 12 b) 5 Amp 3 Pin plug Top (ISI Marked) 13 c) 3 core PVC insulated PVC sheathed copper wire 2.5 Sq.mm copper flexible 14 d) 50/4.0 Mfd Rating Starting/Running Capacitor 15 e) 36/6.0, 40/2.5 Mfd Rating Starting/Running Capacitor 16 Supplying and replacement of following parts including removal of un-serveceable part, electrical connections & re-installation the same, testing, commissioning etc. as required. (Labour & gas charges already included in below mentioned item.) a) Rotary Compressor 1.5 Ton including less for old credit a) Rotary Compressor 1.5 Ton including less for old credit 17 b)Rotary Compressor 2 Ton including less for old credit 18 c) Reciprocating compressor 1.5 Ton including less for old credit 19 d) Reciprocating compressor 2.0 Ton including less for old credit 20 e) Outdoorfanmotor 1.5 Ton including less for old credit 21 f) Out door fan motor 2 Ton including less for old credit 22 i) Window AC Fan Motor 23 g) Indoor fan motor 1.5 Ton including less for old credit 24 h) Cooling coil copper - 1.5 Ton for WTAC/STAC including less for old credit 25 j) Condenser coil copper- 1.5/2.00 ton for WTAC/STAC including less for old credit 26 Supplying & fixing suitable size GI box wih modular plate and cover in front on surface or in recess including providing and fixing 25 A modular socket outlet and 25 A modular SP MCB, “C” curve including connections, painting etc. as required. 27 Dismantling of existing suitable 1.5 TR/2.0/4.0 TR capacity WTAC unit & both indoor & outdoor in case of STAC etc. with equipments complete as reqd. 28 Re-Installation of STAC Unit existing suitable 1.5/2.0/4.0 TR capacity STAC unit & both indoor & outdoor in case of STAC etc. with equipments complete as reqd. 29 Comprehensive Annual Maintenance of 100 LPH capacity RO System, connected prior to water coolers i/c four mandatory services (cleaning of All Filters), repair/ replacement of all electrical and electronic spare parts and One time replacement of consumables in a year like Particulate Filter 20”, Sediment Filter 20”, Pre Carbon Filter 20” and Post Carbon Filter, UF Filter, once in a year Membrane cleaning/ replacement as if any required (Except External Pre filters), Attending complaints within 24 working hours with complete overhaulting and servicing etc. (Dismantled Shall be retained with contractor). (Qty 01 Nos.-1 job)
