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| 1 | M & L for Descaling the condenser by descaling compound / hydrochloric acid by soaking method,disconnecting condensor from the system by taking out nuts, bolts, studs, valves and MS/GI pipe line from both side cover, cleaning each tube with nylon brush,flushing with alkaline solution,connecting back both side cover including replacingleather gasket 4 mm thick for following capacities of condensers suitable for AC Plant installed as indicated below complete all as specified and directed and all as per manufacturers instruction and to the entire satisfaction of Engineer-in-charge. (a) chiller unit cap 80 TR |
| 2 | b)Ditto all as per Ser item No 1.00 above but chiller unit cap 65 TR |
| 3 | c)Ditto all as per Ser item No 1.00 above but chiller unit cap 25 TR |
| 4 | Supply only refrigerant R-407c Gas complete all as specified and directed |
| 5 | Supply only refrigerant R-134A Gas complete all as specified and directed |
| 6 | M&L for replacement of thermostatic expansion valve suitable for water cooled scroll chiller unit cap 25 TR all as per sample, including brazing at both ends all as required and directed. |
| 7 | M&L for replacement of thermostatic expansion valve suitable for water cooled scroll chiller unit cap 65 TR all as per sample, including brazing at both ends all as required and directed. |
| 8 | M & L for replacement of HP/LP cut out switch suitable for scroll compressor cap up to 25 TR all as per specified and directed. |
| 9 | M&L for replacement of chilled water sensor complete all as specified and directed |
| 10 | Material & Labour for finding out the leakage with the pressure test of water chiller Plants scroll type capacity up to 65 TRx 3 and 80TRx3 units complete plant , identifing gas and oil leakage and removing the same and Leak repairing by brazing/flaring and flushing the sysytem by nitrogen gas and pressure testing for leakage and rectified and after rectification vacumacation, pressure testing, and gas charging R-407c for achieve desire pressure and testing complete to the entire satisfaction of Engineer-in-Charge. NOTE :- Gas charging required shall be measured and paid separately as supply only. |
| 11 | Ditto all as per Ser item No 8.00 above but capacity up to 25 TR, |
| 12 | M&L for repairs of condenser/chiller pumps from 2HP Upto 7.5 HP including dismantling of Pump of following capacity and segregating to its parts for repairs and maintenance, replacement only of shaft bearing, impeller key, shaft sleeve, impeller and grinding / polishing, bend removing etc complete including painting by two coats of synthetic enamel paint reassembling of pump after completion of work & testing complete all as per direction and satisfaction of Engineer in charge.Note:- Supply only of bearing and sleeve, impeller will be measured and paid under relevent item of work. |
| 13 | Supply and fix in replacement of spare parts of pumps sets (To be incorporated under respective item above ) :-(a) Shaft bearing as per existing specifications. |
| 14 | (b) Shaft sleeve as per existing specifications. |
| 15 | (c) Impeller with key as per existing specifications. |
| 16 | (d) Mechanical Couplings as per existing specifications. |
| 17 | (e) rubber type coupling as per existing specifications. |
| 18 | M&L for repairs of condenser/chiller pumps from 10HP Upto 12.5 HP including dismantling of Pump of following capacity and segregating to its parts for repairs and maintenance, replacement only of shaft bearing, impeller key, shaft sleeve, impeller and grinding / polishing, bend removing etc complete including painting by two coats of synthetic enamel paint reassembling of pump after completion of work & testing complete all as per direction and satisfaction of Engineer in charge.Note:- Supply only of bearing and sleeve, impeller will be measured and paid under relevent item of work. |
| 19 | Supply and fix in replacement of spare parts of pumps sets (To be incorporated under respective item above ) :-(a) Shaft bearing as per existing specifications. |
| 20 | (b) Shaft sleeve as per existing specifications. |
| 21 | (c) Impeller with key as per existing specifications. |
| 22 | (d) Mechanical Couplings as per existing specifications. |
| 23 | (e) rubber type coupling as per existing specifications. |
| 24 | M & L for repairing /Disconnecting the electrical and mechanical connection of burnt electrical motors from the site / location, transporting to and from to work shop. Rewinding of electrical motors/ pump motors by dismantling and removing the burnt cut copper winding wire cleaning the slots of stator with petrol and brushes winding polyster based super enamelled copper wire of same gauge of original one with proper class of insulation including varnishing and heating the coil and remove air bubbles complete stator / roter after rewinding reassembling all parts including reinstalling connection to original position and testing on full load all as directed by Engineer in charge for different capacity of motor as per following :-(a) 1 to 2 HP |
| 25 | (b) 3 to 5 HP |
| 26 | (c) 10 to 12.5 HP |
| 27 | M&L for replacement of Thermostat Honey well 0-30 degree C |
| 28 | M&L 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 T&P for servicing of cooling tower suitable for 80 to 120 TR capcity including following complete:-(i) Cleaning /scrapping of inner& 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 cap if any after necessory work including gressing and replacement of nut bolts and preventing leakage if any by means of suitable adetives etc all as directed and specified. (iv) taking out PVC fills blocks, cleaning and refixing as per existing location and channel direction if pvc fills vintage then replace with new one measure seprately . (v) servicing of spray header and sprinkler assy complete. (vi) repair of water strainer complete. |
| 29 | Ditto all as per Ser item No 14.00 above but cooling tower suitable for 25 TR capcity |
| 30 | supply and fix in replacement of Cooling Tower Sprinkler Assembly such as Sprinkler, Sprinkler Pipe, Elimentor, Tension bar and Turn buckle for Cooling Tower capacity 80 TR/ 120 TR actually installed at site, all as specified and directed by Engr-in-Charge |
| 31 | supply and fix in replacement of Cooling Tower Sprinkler Assembly such as Sprinkler, Sprinkler Pipe, Elimentor, Tension bar and Turn buckle for Cooling Tower capacity 25TR TR nosal type /sprinklar type actually installed at site, all as specified and directed by Engr-in-Charge |
| 32 | Supply and fix of cooling tower PVC honey comb fills in colums of size 600mm x 300mm x 150mm size and min wt 600 gram of capacity 15 TR to 150 TR as per existing specification and requirement. |
| 33 | Taking up or down 40 mm bore MS pipe from trenched/wall surfaces or in any position complete all as directed. |
| 34 | All as per item No 19 here- in -before but for pipe 50 mm bore |
| 35 | All as per item No 19 here- in -before but for pipe 65 mm bore |
| 36 | All as per item No 19 here- in -before but for pipe 80 mm bore |
| 37 | All as per item No 19 here- in -before but for pipe 100 mm bore |
| 38 | All as per item No 19 here- in -before but for pipe 125 mm bore |
| 39 | All as per item No 19 here- in -before but for pipe 150 mm bore |
| 40 | Supply and lay MS pipe heavy grade condenser water or cooling tower piping of MS 'C' class 40 mm dia confirming to IS-1239 and IS- 3589 both revised till date as required and as specified and complete with bends , reducers tees, supports vibration pipe supports,structures shall be painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and complete all as per specified & directed by Eng-in-charge. Sizes are following:- |
| 41 | All as per item No 26 here- in -before but for pipe 50 mm bore |
| 42 | All as per item No 26 here- in -before but for pipe 65 mm bore |
| 43 | All as per item No 26 here- in -before but for pipe 80 mm bore |
| 44 | All as per item No 26 here- in -before but for pipe 100 mm bore |
| 45 | All as per item No 26 here -in - before but for ppe125 mm dia |
| 46 | All as per item No 26 here- in -before but for pipe 150 mm bore |
| 47 | Taking down the existing unserviceable stainer of size 80 mm dia, Supply and fixing new stainer of size 80 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. |
| 48 | All as same of item no. 33 , but size 65mm. |
| 49 | All as same of item no. 33 , but size 100mm. |
| 50 | M&L for insulation of 40mm bore MS pipe with PUF slab 30 mm thick with applying bitumainous compound and GI cladding with 26 guage GI sheet etc cmplete including taking down existing PUF insulation all as specified and directed. |
| 51 | All as per item No 36 here-in-before but of pipe 50 mm bore. |
| 52 | All as per item No 36 here-in-before but of pipe 65 mm bore. |
| 53 | M&L for insulation of 80mm bore MS pipe with PUF slab 40 mm thick with applying bitumainous compound and GI cladding with 26 guage GI sheet etc cmplete including taking down existing PUF insulation all as specified and directed. |
| 54 | S&F in replacement of of PN 1.6 butterfly valves size 125 mm duly insulated with companion flanges,nuts,bolts,gaskets etc.as specified . butterfly valves with cast iron body, seat of black nitrile rubber ,nylon coated S.G.iron disc,epoxy powder coated shaft AISI 410 etc.complete all as specified and directed. |
| 55 | Ditto all as per Ser item No 40.00 above but size 100mm. |
| 56 | Ditto all as per Ser item No 40.00 above but size 80mm. |
| 57 | Ditto all as per Ser item No 40.00 above but size 65mm. |
| 58 | Material and labour for replacement of rotational moulded polyethylene water storage tank (cylinderical vertical with closed top) of cap 5000 ltrs hoisted and fixed in position all as specified in SSR Part-I |
| 59 | S&F in replacement of air filter for AHU, Filter section consists of 50 mm thick washable HDPE 90% down 10 micron Pre-Filters, AHU pre filter having HDPE media with aluminium / GI frame & filter as per the existing size of 600mmX600mmX50/40 mm mm complete all as specified and directed. |
| 60 | S&F in repairs fan belt of Size B-90 complete as specified and directed |
| 61 | S&F in repairs fan belt of Size B-72 complete as specified and directed |
| 62 | S&F in repairs fan belt of Size B-86 complete as specified and directed |
| 63 | S&F in repairs fan belt of Size B-74 complete as specified and directed |
| 64 | S&F in repairs fan belt of Size B-70 complete as specified and directed |
| 65 | S&F in repairs fan belt of Size B-66 complete as specified and directed |
| 66 | S&F in repairs fan belt of Size B-57 complete as specified and directed |
| 67 | Supply and fix in replacement of water presuure gauge 0-7 kg / cm2 including Female Stainless Steel Gauge Fittings including ball valve 5/8\\", type complete all as specified and directed |
| 68 | S&F in replacement of thermometer to condenser/chiller, inlet or outlet water pipes including addition alteration to pipe line for fixing thermometer Range 0-100 degree centigrade complete all as specified and directed |
| 69 | M&L for replacement of 25 mm dia. Auto Air Purge valve for chilled water piping complete all as specified and directed. |
| 70 | M&L for replacement of 40 mm dia. Auto Air Purge valve for chilled water piping complete all as specified and directed. |
| 71 | M&L for replacement of stop valve 15 mm dia complete all as specified and directed.. |
| 72 | M&L for replacement of stop valve 25 mm dia complete all as specified and directed.. Please Enable Macros to View BoQ information |
| 73 | M&L for replacement of stop valve 25 mm dia complete all as specified and directed.. Please Enable Macros to View BoQ information |
