SPECIAL REPAIR TO CERTAIN CENTRAL, PACKAGE AND SPLIT TYPE AC AT DIFFERENT LOCATIONS AT NAVAL BASE KOCHI

Amount

Dismantling and taking down window AC of any capacity comprising of all connected accessories from existing locations and deposit to MES Store Yard complete all as directed by EIC.

Material & Labour for closing the existing opening (Opening of size not less than 0.6X0.4X0.23 metre) with brick masonry at the removed locations of window ACs, plastering, painting as matching to the existing surfaces complete all as directed by EIC.

Dismantling and taking down split ACs with and including dismantling of three core copper cable, connecting MCB boxes, copper piping etc, complete making good disturbed surfaces as matching to the existing surfaces complete all as specified and directed

Supply, installation, testing and commissioning of split air conditioning unit 2 TR capacity Inverter type complete with cordless remote control, minimum 3 star labeled, five year warranty on outdoor and indoor PCBs & 10 years on compressor OEM eco friendly refrigerant gas, 6000 Kcal / Hr, 50 Hz, 240 volts, air cooled copper condenser with all accessories varied speed including fixing the outdoor unit with suitable stand as site requirement and fixing of room (high wall) unit on wall with necessary wall cutting/ making holes to pass the refrigerant pipes, drain pipes, cables etc and making good to match with existing finishing complete, providing and making interconnection, including suction and discharge copper pipes with refrigerant including with nitrile rubber insulation and control cable from indoor to outdoor as required at site, Power cabling from Isolator/ Enclosure to unit, first charging of refrigerant gas, drain piping of suitable size including connection drain lines from unit to nearest drain points complete all as specified.

Supply, installation, testing and commissioning of split air conditioning unit 1.5TR capacity Inverter type complete with cordless remote control, minimum 3 star labeled, five year warranty on outdoor and indoor PCBs & 10 years on compressor OEM eco friendly refrigerant gas, 4500 Kcal / Hr, 50 Hz, 240 volts, air cooled copper condenser with all accessories varied speed including fixing the outdoor unit with suitable stand as site requirement and fixing of room (high wall) unit on wall with necessary wall cutting/ making holes to pass the refrigerant pipes, drain pipes, cables etc and making good to match with existing finishing complete, providing and making interconnection, including suction and discharge copper pipes with refrigerant including with nitrile rubber insulation and control cable from indoor to outdoor as required at site, Power cabling from Isolator/ Enclosure to unit, first charging of refrigerant gas, drain piping of suitable size including connection drain lines from unit to nearest drain points complete all as specified.

Supply and fixing copper refrigerant piping of both sizes for suction line 5/8" and 1/4" for discharge including thermal insulation class ‘O’ nitrile rubber insulation density 45- 55 kg/m³, for suction/ discharge line, beyond standard length provided with original units by the manufacturer. Notes: i) This item shall be measured for the quantity used at site for Serial item No. 4 & 5 for beyond the length provided by OEM. ii) One run of both 5/8" & 1/4" pipes along with insulation shall be measured as one length.

Material & Labour for sub main wiring with 2 runs of 4 Sqmm PVC insulated FRLS multi stranded copper conductor cable including suitable size PVC conduit with one run of 4 Sqmm PVC insulated FRLS cable as earth continuity wire complete all as specified and as directed. Note: Three runs of 4 Sqmm and one run of PVC conduit shall be measured as one length.

Material & Labour for sub main wiring with 2 runs of 2.5 Sqmm PVC insulated FRLS multi stranded copper conductor cable including suitable size PVC conduit with one run of 2.5 Sqmm PVC insulated FRLS cable as earth continuity wire complete all as specified and as directed. Note: Three runs of 2.5 Sqmm and one run of PVC conduit shall be measured as one length.

Supply & Fixing of Single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB SP 20 Amp, 240 volts 10 KA, C curve and plug to with male ended portion complete all as specified and directed.

Supply & Fix MCB SP, 6 to 32 Amp, C curve, 240 Volt, 10 KA complete all as specified and directed.

Dismantling of existing copper pipe lines between of Package AC indoor and out door units, controller cables, evacuation of refrigerant from the existing units, including shifting of old unserviceable outdoor units from foundation etc complete all as specified and directed.

Supply, install, testing and commissioning of Air cooled Floor mounted Outdoor unit (condenser unit) for Package AC of capacity 7.5 TR or nearest higher available capacity ,including required foundation for base and installation work as per OEM recommendation with making up good existing walls/floors with existing finishes, including suitable electric XLPE cable of size as per OEM recommendations for connecting between indoor, outdoor units and fixed on cable Tray complete all as specified and directed. Make: Voltas model DPUA

Material and laying of Refrigerant piping (Suction size 1 1/8" & Discharge size 7/8 ") Hard drawn from hard copper tube of suitable sizes as recommended by OEM, with copper elbows, tees all connecting material for Indoor and outdoor unit connections. Note: One run of both Suction & Discharge pipe line along with insulation shall be measured as one length.

Supply and fixing of Hard PVC drain pipe of size 40 mm, upto drain disposal area with nitrile rubber insulation complete all as specified and directed.

Supply and replacement of micro processor controller as per OEM recommendation suitable for fixing in Item No 12 above, assembly in indoor units for operation of compressor/condenser unit etc complete all as specified and directed.

Supply and replacement of blower unit complete assembly (excluding fan motor) with base frame, belts etc, complete all as specified and directed.

Supply and replacement of expansion valves in three indoor units of capacity not less than 7.5 TR complete all as specified and directed.

Supply and replacement of drier in three indoor units of capacity not less than 7.5 TR complete all as specified and directed.

Supply and replacement of pre filters and suitable canvas cloth for connection between indoor unit to plenum duct projection branches for existing indoor units complete all as specified and directed.

Supply and charging Refrigerant Gas suitable for existing compressors including leak testing by using nitrogen gas complete all as specified and directed by Engineer in Charge.

Material and Labour for evacuating refrigerant gas from existing Voltas Make of capacity 1 x 20 TR chiller, Model 5 F 40 type ,removal of existing pipes lines and store in portable empty cylinder with contractors own arrangement complete all as specified and directed.

Supply and laying of suitable copper pipe for gas equalization line outer diameter size 1" complete all as specified and directed.

Supply and laying of suitable copper pipe for oil equalization line (1" ,1 1/4") complete all as specified and directed

Supply and laying of suitable copper pipe with insulation for hot bypass line(1 1/2" ,1 1/4") complete all as specified and directed

Supply and laying of suitable copper pipe for liquid line (1 1/2" ,1 ") complete all as specified and directed

Supply and laying of suitable copper pipe for suction line (2", 2 1/2 ") complete all as specified and directed

Supply & fixing of suitable capacity thermostatic expansion valve with control wiring complete all as specified and directed

Supply and fixing of 1" ball valve complete all as specified and directed

Supply and fixing of 1 1/4 " ball valve complete all as specified and directed

Supply and fixing of 1 1/2 " ball valve complete all as specified and directed

Supply and fixing of 2 " ball valve complete all as specified and directed

Supply and fixing of driers and chilled water sensors along with wirings, water flow switches for 3x 20 TR condensing units complete all as specified and directed

Material & Labour for leveling 1 x 20 TR compact condensing unit with compressor, condenser, chiller and its connecting tubes in one unit to level matching with existing other 2 x 20 TR running compact condensing units after dismantling with necessary addition/alternation PCC foundation works if required and installing back all respect for smooth running of entire 3 Nos unit at site complete all as specified and directed

Supply and fixing in replacement of and programming of 3 Numbers of chiller micro processor controllers of VLRP model 4/5/6 of Voltas Make complete all as specified and directed

Supply and charging Refrigerant Gas R-134a in sealed cylinder including leak testing by using nitrogen gas all as specified and directed by Engineer in Charge. Note: The above Item No 11 to 35 shall be executed through OEM or its authorised agency.

Supply & Fix Voltage stabilizer suitable for Inverter Split air conditioner for automatic operation single phase naturally air cooled, copper wounded indoor type & designed for input variation between 140V to 280V with output voltage stabilized at 230 with accuracy ± 2.5% and of capacity suitable for 1.5 TR AC complete all as specified and directed.

Supply & Fix Voltage stabilizer suitable for Inverter Split air conditioner for automatic operation single phase naturally air cooled, copper wounded indoor type & designed for input variation between 140V to 280V with output voltage stabilized at 230 with accuracy ± 2.5% and of capacity suitable for 2 TR AC complete all as specified and directed.

Supply & Fix 20 mm dia CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings, fixed on wall/ceiling with all necessary fittings, solvents complete all as specified and directed.

Supply and laying XLPE insulated heavy duty electric cables with aluminium conductor 1100 Volts grade, cross sectional area of 4 core 25 Sqmm laid on walls/floors/roads/ground complete all as specified and directed by Engineer in charge.

Supply and fix Vertical DB with metal Enclosure suitable for 415 V with 250 Amp bus bar , double door, TPN ,Four way, with provision of MCCB as incomer complete all as specified and directed.

Supply and fix MCCB, Four pole, 63 Amps ,50 Hz, 415V, having breaking capacity 25 KA complete all as specified and directed.

Amount of Credit Schedule shall be deducted to arrive the Contract Sum.

ELSOL ENGINEERS

Glacier Cooling Solutions Private Limited

Jack Electrolinks Private Limited

S. M. Enterprises

Green Ray Enterprises