Replacement of Air conditioners and associated works at Dhruva Guest House, New Delhi.

Amount

Part - A : Replacement of AC

Part - B : Maintenance of AC

Description of Work / Item(s)

Amount

Part - A: Supply, installation, testing & commissioning of 1.8 Ton 3 star Inverter type HOT & Cold hi-wall split air conditioners of approved make and suitable for 230V, 50 Hz, single phase A/C supply having Dew Clean Technology, 3 stage filtration, on/off timer with advance start up, auto climate technology, high capacity compressor, highest BEE star rating (i.e 3 star), , including leak testing for entire system, vaccumising using vaccum pump, R410a/R32 gas charging as per installation manual, for smooth operation of AC`s etc complete all as per the instructions & to the entire satisfaction of EIC. Unit shall have 10 Compresor & 5 years PCB warranty of OEM.

1.8 TR Inverter type hi-wall split air conditioners with following specifiactions: 1.Cooling capacity - 6kW , 2.Heating capacity - 6kW , 3.Indian Seasonal Energy Efficiency ratio- minimum-4.3

Refrigerant piping with insulation: Refrigerant Piping with Nitrile Rubber insulation (Combined Suction line & Discharge line): Supply, installation, testing and commissioning of Interconnecting refrigerant copper piping ( suction & discharge line) of suitable sizes for above split AC units duly insulated with closed cell tubular elastomeric nitrile rubber of minimum density not less than 33kg/cum of thickness 13 mm thick for size upto 19.05 mm dia. pipe and 19 mm thick for sizes above 19.05 dia pipes as per technical specifications, manufacturer's recommendations and instructions of Engineer-in-Charge. Note: Scope of work also includes the following: i) coating of the copper pipies with transparent anti corrosive primer before insulation. ii) The insulation shall be mechanically protected with a coat of polyshield of approved colour & starbond 30-36 or equivalent of minimum 5 mil thickness.

Drain piping: PVC drain piping(flexible/hard) of suitable size upto 25 mm diameter duly insulated with heatlone sheet, etc. complete all as per the site condition & instructed by EIC. The insulation shall be mechanically protected with a coat of polyshield of approved colour & starbond 30-36 or equivalent of minimum 5 mil thickness.

Control cabling: Control cabling with adequate size of copper conductor wire/ power cable to connect outdoor units with respective indoor units & power cable to connect power outlet to ODU/IDU complete with lug connections etc. complete all as per site situation as required & instructed by the Engineer –in – charge.

4 core x 2.5 sq.mm cable

3 core x 2.5 sq.mm cable

M.S. Stands: Fabrication, supply & installation of M.S stand for the ODU of split A/C unit as required & fabricated with suitable opening mechanism for maintenance purpose of ODU unit, painting with one coat of red oxide primer & two coats of enamel paints of approved make & shade to all M.S parts at all levels & elevations as required and desired by EIC.

Casing & caping: Supply & laying of casing/caping (Aluminium trunking 100 mm x 75 mm approximately) for enclosing refrigerant tubing with insulation, drain line and electrical cable as per site condition, specifications and as instructed by E.I.C.

Dismantalling and safe removing the old existing wall mounted air conditioner including pumpdown of refrigerant in the system,safely removal its copper piping & M.S. stand and packing of existing piping holes etc. depositing old AC at Dhruva Guest House store, complete with all as per requirement and instructed by EIC.

Supply installation testing & commissioning og AC stabilizer for 2 ton AC having following features : 1) Voltage range : 130 to 280 VAC 2) EMI Filter Protection to suppress electromagnetic waves and safeguard connected devices. 3) Initial Time Delay System: 4) High and low voltage cut off functionality, automatically disconnecting the power supply when voltage levels exceed or drop below safe thresholds.

Description of Work / Item(s)

Amount

Part B: Comprehensive maintenance and servicing of above split type AC unit after completion of Defect Liability Period (DLP): Comprehensive maintenance and servicing of above split type AC unit installed against item no 1 once in a quarter. (33 Units x 8 Qtrs)

SEW ENGINEERING WORKS PVT LTD (BID ID -3129893)

SEW ENGINEERING WORKS PVT LTD (BID ID -3129893)

SEW ENGINEERING WORKS PVT LTD (BID ID -3129893)