COMPREHENSIVE REPAIR OF AC PLANT AT NAVAL AIR ENCLAVE (NAE) UNDER GE NAVY PORBANDAR

Amount

M&L for overhauling of compressor of capacity 40 TR of Make Voltas Model 05046S complete all as directed for improved performance and designed parameter as specified including the following at AC plant:- (a) Pumping down the compressor and transfer existing refrigerent gas, complete dismantling of each part of compressor and replacing the defective parts as found and reassembling the complete compressor, then oil charging, and doing pressure test using N2 gas as specified & hold for 24 Hrs to detect leakage and again same tests after repairing the leakage to ensure no leakage in the complete system, after that vaccuming the compressor to remove moisture & air complete all as specified & directed by Engr-in-Charge. Note :- 1) Refrigerant Gas, Oil and spare parts etc will be measured and paid separately under relevent item of Schedule

Supply and fix in repair/replacement of Crank shaft suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Main Bearing Seal End (STD) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Main Bearing Pump End (STD) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Insert Bearing (STD) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Pump End brass Washer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Seal End Brass Washer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Thrust Washer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Shaft seal assly suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Shaft seal cover plate suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Nylock Nut suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Connecting Rod suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Piston suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Piston Pin suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of ComprressionRing suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Oil Ring suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Valve Plate suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Suction Valve Reed (Imp Micro Finish) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Discharge Valve Reed (Imp Micro Finish) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Discharge Valve Spring suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Suction Valve Spring suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Cylinder Sleeve suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Gasket Set (5H86) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Lock Washer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Star Washer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Oil pump assembly (5H-40/86) suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of oil pump bush suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of Suction pressure transducer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of discharge pressure transducer suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of IPS-1 USV COILsuitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply and fix in repair/replacement of TC 19 TYPE RUBBER COUPLER suitable for Voltas compressor Model 05046S including dismantling old unserviceable part complete all as specified and directed by Engr-In-Charge.

Supply & charging of compressor oil N68 Suitable for R-22 Refrigerant Compressor of Model Voltas compressor Model 05046S model including draing out old oil complete all as specified & directed by Engr-In-Charge Make :- Bharat Petroleum /Hindustan Petroleum / Indian Oil.

Supply and charging of Refrigerant Gas R 22 up to required pressure and quantity in AC plant Note:- Gas will be supplied in pack cylinder Complete in all respect all as specified & directed

Supply and fix HP cutout switches suitable for Voltas compressor Model 05046S including dismantling old unserviceable all as specified and directed by Engr-In-Charge. Make: Danfoss KP 1 /Indofoss.

Supply and fix LP cutout switches suitable for Voltas compressor Model 05046S including dismantling old unserviceable all as specified and directed by Engr-In-Charge. Make: Danfoss KP 1 /Indofoss or equivalnet it .

Supply and fix HP/LP/OP gauges of range 0 to 150 Kg/cm2 (R22) suitable for Voltas compressor Model 05046S compressor model including dismantling old unserviceable all as specified and directed by Engr-In-Charge. Make: accurate or equivalnet it

Material and labour for disconnecting for Chiller descaling & Plugging them & providing of 15 mm tee outlet for local circulation of mild acid solution in the Chiller (separate container and small pump set to circulate diluted acid solution to be used) PH value of solution to be circulated & to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be used for descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7, flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulating diluted acid solution as specified above & PH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed by Engineer-in-Charge of for 2 x 40TR Capacity AC Plant at Hanger 343 of NAE Porbandar

M&L for only detection of leakage using Nitrogen gas at Compressor of chiller unit of 40 TR Refrigerant Line , Evaporator Coil /colling coil using proper pressure test after completion of overhauling of compressor as per Sl item no 1 ,detecting the leakage as per standard procedure & attending the repair complete in all respect by bronze soldering stick with gas welding or any other suitable measure & Vaccuming the same after Nitrogen test all as specified and directed by Engr-In-Charge.

Material and labour for disconnecting condenser for descaling & plugging them & providing of 15 mm tee out let for local circulation of mild acid solution in the condenser (separate container and small pump set to circulate diluted acid solution to be used) PH value of solution to be circulated & to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be used for descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7 flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulating diluted acid solution as specified above & PH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed by Engineer-in-Charge of for 2 x 40TR Capacity AC Plant at Hanger 343 of NAE POrbandar.

Material and labour for Dismantling AHU of 2 x 40TR capacity AC plant carefully by removing side and top panel removing unserviceable blower shaft bearings,removing motor & blower assembly, replacement of new AHU blower shaft bearings reassembling blower assembly and refixing electric motor & top side panel in original position with new nut bolts washers & shafts keys & checking the shafts balancing & testing for smooth running all as specified and directed at Hanger 343 of NAE Porbandar.

Material and labour for cleaning of cooling coil section of AHU for descaling and providing 2 Nos. 15 mm Tee outlet for local circulation of mild acid solution in the cooling coil (separate container and pump set of appropriate capacity to be used for circulation) PH value of Zem solution to be kept at 4 & checked at an interval of 1hr. duration process the scalgum / WS / Cleansol or equivalent solution to be used for descaling if ph value remains less than '7' flush with fresh water added to sodium carbonate till ph value attains '7' refix the coil section in position minor repairs to be carried out in AHU Coil bins to be cleaned by scalgum solution by spraying the solution with washing pump up to required level, AHU and complete all as specified and directed for AHU of 2 x 40TR Capacity AC Plant at Hanger 343 of NAE POrbandar.

M & L for Overhauling of CT fan motor of Delta cooling Tower capacity 50 TR after removing from the base plate,dismantling, replacing unserviceable bush /bearing /minor parts for repair purpose including cleaning,varnishing ,insulation replacement of bearings and greasing etc. complete and reassembling the same for smooth functioning complete suitable for AC plant all as specified & directed

M & L for repair / replacement of control panel with replacement of control wiring with copper conductor cable in suitable existing size with interlocking system complete all as specified & directed.

S & F in repair spray nozzles PVC type suitable for make Delta cooling Tower of model No 6050 size in a cooling tower of capacity 50 TR all as specified and directed by Engr-In-Charge.

S & F in repairs/replacement of coolling tower fills PVC suitable for make Delta cooling Tower of model No 6050 all as specified and directed by Engr-In-Charge.

Supply & fix in repairs/replacement MS pipe "C" Class (Heavy duty) conforming to IS 1329 (part-I) 2004 of size 80 mm dia including necessary fittings such as MS flange etx. Cutting /welding as per site requirement.

Supply & fix in repair MS pipe "C" Class (Heavy duty) conforming to IS 1329 (part-I) 2004 of size 65 mm dia including necessary fittings such as MS flange etx. Cutting /welding as per site requirement.

Supply & fix in repair MS pipe "C" Class (Heavy duty) conforming to IS 1329 (part-I) 2004 of size 25 mm dia including necessary fittings such as MS flange etx. Cutting /welding as per site requirement.

Supply & fix in repair MS pipe "C" Class (Heavy duty) conforming to IS 1329 (part-I) 2004 of size 20 mm dia including necessary fittings such as MS flange etx. Cutting /welding as per site requirement.

Supply & fix in repair Cast Iron Y-type strainer ,PN 10 (flanged), of size 80 mm Make:-Zoloto/manak/equivalent it.

Supply & fix in repair butterfly valve 80mm size PN 1.6 Make:-Zoloto/LP/equivalent it.

Supply & fix in repair butterfly valve 65mm size PN 1.6 Make:-Zoloto/LP/equivalent it.

Supply & fix in repair insulation of MS Pipe with PUF Slab 30 mm thick with and including applying bituminious compound and GI sheet complete of to tubing of bore size upto 80 mm

M & L for Rewinding of unserviceable electric motor 3 phase 50 Hz 415volt of 5 to 10 HP capacity pump set complete comprises as under :- (a) Disconnecting & removing the electric motor from installed position including, loading, unloading and transporting to approved workshop. (b) Taking out the existing burnt winding from the motor including rewinding complete with super enameled copper winding wire of existing gauge including all insulating material such as insulation paper, sleeves, tape, varnish etc. complete for class 'F' insulation. (c) Transporting the motor back to the location, reinstalling in original position including alignment, electrical & water connection, commissioning and testing for 8hours continuously to check the RPM etc. to the satisfactory performance etc. complete. NOTE: Any damage caused during handling will be made good without any extra cost to department

M & L for Over hauling of Monoblock pump of 5 to 10HP capacity set after removing from the base plate, disconnecting from pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning with following capacity of pumps

Material and labour for scraping cleaning and preparation of external surface and painting complete installation at 2 X 40 TR (80 TR capacity) including compressor motor piping cooling tower condenser AHU and panel Board etc with two coats of synthetic enamel paint over a coat of red oxide zinc chromate primer as per ENCs colour code as given including writing to SM & MES numbers complete all as per specified & as directed by Engineer-in-Charge.

S & F 3 Pole power contactor conforms to IS /IEC 60947-47-1, type MNX 70 .Make L& T/ Legrand/Schenider

S & F 3 Pole power contactor conforms to IS /IEC 60947-47-1, type MNX 80 .Make L& T/ Legrand/Schenider

S & F Add -on aux contact block 2NO+2NC type MNX -A1. Make L& T/ Legrand/Schenider

Material and labour for repairs / replacement Expansion valve of 40TR chiller unit complete all as specified and directed by Engineer-in-Charge. Make: Sporlon or equivalent

Material and labour for repair / replacemen of Condensor safety valve suitable for suitable for Voltas compressor Model 05046S chiller unit all as specified and directed by Engineer-in-Charge.

S & F in repair / replacement of MCCB 250A, 4 pole, 25 KA complete all as specified and directed by Engineer-in-Charge. Make : L& T/ Legrand/Havells

Supply & fix in repair butterfly valve 100 mm size PN 1.6 Make:-Zoloto/manak/equivalent it

Supply and installation of fire extinguisher CO2 Type 4.5 Kgs capacity conforming to IS:2878 complete all as specified and directed

Supply and installation fire buckets (for sand/ water) conforming to Is : 2546

Supply and installation rubber matting insulation in size 2 MX 1M X 10 mm (ISI Marked)

M & L for fabrication of fire point made out of MS sheet of size 3.15mm thick appx 4.0 sqm and angle iron of size 50 x 5 mm all around the MS sheet appx 30 RM including welding, drilling work complete all as specified and directed

Supply, fix, following posters on wooden / polycorbonet board of suitable size frame and displayed on the walls of the installation to which they are applicable complete all as specified and directed.:-

IAFW-1791 - Care and Working of MES Plant and Machinery.

Copy of Installation Standing Orders.

Fire Orders

Routine Maintenance Chart

Instructions regarding treatment of electric shock in English, Hindi and Regional language, obtainable on payment from the local Electric Inspector to Govt.

Manufacturer instructions regarding operation and maintenance.

M& L for taking down existing damaged duct & supply, fabricate and fixing GI duct of suitable size fabricated at site to match with the existing system GI/PGI sheet of grade 120 class VII conforming to IS :655 ducting conforming to SMACNA standards air distribution system comprisisng of supply air & return air duct necessary support to duct will be provided using 25x25x4 mm angle iron frame duly welded and will be fixed at site as per standard engineering practice for central air conditionined with suitable , arrangements of suitable thickness including necessary supports , hangers, fastners , nuts,bolts,splitter,vanes etc and making good to disturbed surface with finished to match with existing surface complete all as specified and directed

M & L for duct insulation comprising cleaning the surface of the duct to be insulated, painting the surface of the duct with 2 coats of bituminious paint (Apply rubber based adhesive CPRX compound) by shalimar tar products, fixing tightly fibre glass wool with density 24 kg/Cum to the surface and sealed propely, cover with aluminium oil kraft paper laminated with miniumum over load 50 mm , final aluminium cladding 0.71 m thick fabricated & fixed with screws at edges, cross ribbed all as specified & directed.

M & L for acoustic lining 25mm thick resin bonded lead wool /fiber-glass 200mm covered with 24 gauges perforated aluminium sheet over chicken wire mesh, covering the insulation with RP tissue, cover the insulation with 24G aluminium perforated sheet all as specified & directed.

S& F in repairs for replacement microprocessor controller of make Soft Hard meter of model VLRP SINGLE Deluxe type of capacity range 6/64, aux supply 8V & 12 V all as specified & directed.

S& F in repairs for replacement microprocessor controller of make Soft Hard meter of model EC MVPD of range 30-220 Amps, aux supply 240 VAC, 5 Sec, CURVE MPD complete all as specified & directed.

BABUBHAI BHIMABHAI PANDAVADRA

ALBA AC AND REF SERVICES

fakhrie apostrical

SHREEJI ENTERPRISE

shree chamunda enterprise

JAY BHARAT METAL SUPPLIERS