COMPREHENSIVE MAINT AND REPAIR OF AC PLANTS AND OTHER ALLIED WORKS AT CME UNDER GE (CME) KHADKI

Routine preventive services monthly visit and attending faults on call basis of Screw chiller plant of 2x92 TR complete including at the time of monthly visit by OEM ( Blue star) flowing descricpition of work - checking of all starter contacts, cable for over heating & termination for tightness, leak test, heater operation , liquid line sight glass, load / Unload mechanism, Calibration of sensor, verifying set point setting, verifing all safety devices, Controls and electrical starter contacts, compressor for overheating/ liquid slugging, compressor and refregrednt piping for sign of excessive vibration and abnormal noise, flow switch operation, compressor rotation after stopping ( for reserve rotation), condition of liquid level indicator, busbar and cable for loose termination,electrical switchboard for sign of carbon deposits, pitting of contacts, switches, indication lamp, starter and interlocking and refrigeration readings, electrical readings, water reading and air reading including calibration of microprocessor control panel , adjustment of switces and sensor and test for satisfactory running of chiller and visit service report submit complete all as specified and directed by Engineer in Charge.

M & L in repair for descaling of shell and tube type water cooled condenser of capacity 92 TR with and including MS shell and intergral copper tubes with and including safety valve with and including cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling nylon brush with and including rod and circulating by descaling pump including repalcement of gasket set, nuts and bolts and leak testing after descaling / cleaning of condenser unit descaling/Servicing done every 6 month Complete all as specified and directed by Engr in Charge

M & L in repair for disconnecting electrical connections motor located at the top of cooling tower,keep cables at safe custody for reconnection and dismantling and taking out fan blade assembly along with motor mounted on base frame at the top of cooling tower after cutting/dismentaling all nuts, bolts and fixtures from the mounting frame and removing whole assembly including motor and base frame from the top of cooling tower with the help of necessary T and P for servicing of cooling tower suitable for 184 TR capacity comprising of following Complete all as specified and directed :- Note : (i) Cleaning /scrapping of inner and outer surface of FRP basin, repair of damaged portion if any incuding FRP lining of all surfaces joints to avoid leakage including replacement of all nuts and bolts joining all parts of Basin complete. (ii) servicing cooling tower plant through cleaning re-agent complete pipe line, including servicing of cooling tower motor and fan and make the necessary alignment with motor. (iii) Replacement of bearing if any of suitable capacity if any after necessory work including greasing and replacement of nut bolts and preventing leakage if any by means of suitable adhevies etc Complete all as directed and specified. (iv) Taking out PVC fills blocks, cleaning and refixing as per existing location and channel direction. (v) Replacement of velt as per existing (vi) Servicing of sprinkler assembly complete. (vi) Repair of water strainer complete. Servicing done every 6 month Complete all as specified and directed by Engr in Charge.

M & L in repair for disconnecting electrical connections, refrigerent piping, and water piping, servicing, Repair and Over hauling of AHU for Air handling unit , sectionalized construction of capacity 6000cfm to18000 Cfm, removing dust, dirt, foreign material deposited on cooling coil fins with suitable ditergent, Cleaning / de-carbunising of pre and post air filters of shaft and reinstalled in same position with correct alignment after cleaning /repairing, remove the all rust from shaft by matchinery work, polishing matching to existing and rebalancing of shaft including Servicing and testing of blower drum assembly for proper functioning and balancing, testing, commissioning complete for achieving desired performance including supply and fixing minor parts shall replacement as required to achive noise free operation complete all as specified and directed. Note : (i) Minor spares such as gland packing, velt, gaskets, nuts, bolts, grease, various rings deemed to be included in the quoated rates. (ii) Major spares such as heater,filter etc will be measured & paid seperately under respective items of Sch. Servicing done every 06 month

Supply only Thermostate and control switch ON/OFF assembly

Supply only 10 Micron Filter class for FLANGE TYPE AHU complete all as specified and directed

Supply only 5 Micron Filter class FLANGE TYPE for AHU complete all as specified and directed

M & L for servicing Centrifugal Pump set by dismantling of pump set and taking out wornout spare partsopening, cleaning, greasing including replacement of wornout spare parts including cleaning, oiling/greasing of rotating parts, metalling, grinding of pump shaft/ shaft sleeves and re-assembling the same after repairs etc. transportation, reinstalling back on its original place and testing complete for 7.5 HP Pump sets complete all as specifed and as directed. Note : (i) Minor spares such as gland packing, gaskets, nuts, bolts, grease, various rings deemed to be included in the quoated rates. (ii) Major spares such as shafts, bearings, impellar, throught bush, coupling will be measured & paid seperately under respective items of Sch.

All as item No 8 above but for 10 HP Pump sets

Supply only bearing of 7.5 HP pump set