REPAIR / MAINTENANCE OF CENTRAL AC PLANT AT INS MANDOVI

Amount

Supply and fix in replacement wet and dry bulb thermometer hygrometer humidity meter instrument wall mounted for fixing at inside area of AHU, AC plant , Inside the Auditorium complete all as directed

Supply and fix in replacement digital type hygrometer for monitor Temperature and humidity, instrument should be mounted on wall /fixing at inside area of AHU, Ac plant , Inside the Auditorium complete all as directed

Supply and fill Refrigerant Gas R- 22 in the central AC plant where ever required to fill complete all as specified and as directed.

Supply and filling compressor oil suitable for voltas compressor run by R-22 gas wherever required to fill complete all as directed.

Supply only Shaft seal assembly with cover plate

Supply only seal end thrust washer brass

Supply only seal end thrust wasger metal

Supply only oil pump assembly

Supply only oil pump bush

Supply only pump end bearing '

Supply only pump end bearing washer

Supply only seal end bearing '

Supply only connecting rod bearing

Supply only piston Pin

Supply only oil regulating valve

Supply only suction reed

Supply only discharge reed

Supply only star washer

Supply only triangular wasger

Supply only piston ring

Supply only oil ring

Supply only gasket set

Supply only Suction spring

Supply only discharge spring

Supply only unloading spring

Supply only unloader pin

Supply only connecting rod

Supply only piston

Supply only lock nut

Supply only cylinder slive

Supply only valve plate

Material and labour for taking out / purging of refrigerant gas from the system of A/c plant 3 x 40 TR capacity for carrying out vacuum test by vacuuming the whole A/c plant with the help of vacuum pump and checking the complete system for leakages. Carrying out the pressure test by charging the nitrogen gas in the system and observation and checking of any leakage point , repair / rectification of the same by replacing the spare parts removing the nitrogen gas from the system and charging of refrigerant gas including charging of additional gas if required and all as directed. (Note: 1: The arrangement of T&P Nitrogen gas shall be contractors responsibility. 2: Refrigerant gas, compressor oil for top up / spares required shall be measured and paid separately.

Material and labour for taking out compressor Motor suitable for 40 TR compressor of AC plant and Dis mantling the motor with disconnecting the same from the compressor and remove rubber coupling and its connected accessories and transporting to reputed work shop for rewinding . Opening the motor, cutting & removing old and burnt winding wire, rewinding the motor with new super enameled copper winding of size & description to match with existing including insulating materials, varnishing, drying, replacement of both driven end non driven end bearings and base plate, reassembling, refixing in same position & connecting including testing and commissioning complete all as specified & directed. Note: The copper winding wire required for rewinding shall be measured and paid respectively under respective item in schedule follows.

Material and labour for copper winding wire of any gauge/ size suitable for induction motor of any size/ rating complete all as specified.

Material and labour for dismantling cooling tower by removing CT Fans sprinklers, PVC Fills , cleaning complete cooling tower body, removing scale, dust, dirt and refilling old PVC fills (serviceable qty shall be reused to the extent available) after cleaning with diluted HCL solution, assembling ,connecting , cleaning existing external surfaces and applying two coats of approved synthetic enamel paint including and testing etc. for the cooling tower of 80 TR capacity complete all as specified and directed, Note : Extra PVC fills/sprinkler assembly/fan assembly required to complete the job shall only be measured and paid separately as supply only to the extent required and ordered.

Material and Labour for dismantling /servicing of existing Air Handling Unit of 2600 CFM /80 TR ac Plant capacity , including cleaning, servicing, overhauling all component of AHU, with and including cleaning of heating & cooling coil with caustic soda solution, including welding / brazing, wherever required to arrest leakages, cleaning of Filters, replacing of vertical GI sheet supports, replacement of U/S foam insulation of best quality using adhesive substance to avoid cold air leakages, fabrication of bottom GI tray of existing size with drain pan made out of 16 guage thick GI Sheets duly painted over interior surface of tray, re-assembling all the dismantled components to its original position using new nut, bolt, washer and other packing material etc, with and including testing, commissioning of Air handling Unit at optimum efficiency, complete all as specified and directed by Engineer-in Charge.

Material and Labour for dismantling of blower shaft of AHU of 80 TRAC pant capacity, by removing the belt and pulley, blower drum, and remetaling the shaft and filling of metal at decayed portions including all welding, turning, polishing and other machine works required to make the shaft of required shape and size, as original, balancing the shaft and refitting in AHU including re-assembling the blower, pulley etc with and including replacement of new bearing of existing size, testing the AHU for satisfactory operation, complete all as specified and directed by Engineer-in Charge.

Supply and fix in repair AHU Fan belt suitable for AHU for 3X40 TR Ac plant complete all as specified and as directed.

Supply and fix in repair Fully automatic star delta(FASD) starter motor of capacity up to 50-75 HP ( Motor starter for Compressor motor) in existing panel including necessary cable connection with existing panel complete all as specified and as directed

Supply and fix in repair Fully automatic star delta(FASD) starter motor of capacity up to 20 HP including necessary cable connection with existing panel complete all as specified and as directed

Supply and fix in repair DOL starter suitable for Pumps up to 7.5 HP including necessary cable connection with existing panel complete all as specified and as directed

cooltech engineering services (BID ID -3514283)

SHIVANI ENTERPRISES (BID ID -3519979)

Shree Ram Enterprises (BID ID -3520029)

Shree Ayyappa Engineering (BID ID -3514356)

M/S SOMANATH ENTERPRISES (BID ID -3514529)

star freeze service (BID ID -3520067)