REPAIR / MAINT OF CENTRAL / PACKAGE TYPE AC PLANTS INCL CERTAIN MISC WORKS AT INHS KALYANI UNDER AGE EM NO-I OF GE (UTILITY-I) VISAKHAPATNAM

Amount

S&F in repair new sealed motor suitable for -2°C Mortuary Cooler condensing unit of air cooled condenser, make as per OEM complete all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 1.00 above but suitable for -15°C Mortuary Cooler condensing unit

S&F in repair sealed motor suitable for -15°C evaporator fan, make as per OEM including testing & commissioning complete all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 3.00 but suitable for -2°C evaporator fan

S&F in repair condenser fan blade suitable for condensing unit of -2°C Mortuary Cooler, make as per OEM complete all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 5.00 but condenser fan blade of condensing unit of -15°C Mortuary Cooler

S&F in repair Auto defrost timer of -15°C Mortuary unit and testing, make as per OEM complete all as specified and as directed by Engineer-in-Charge.

S&F in repair MS ERW pipe 150mm bore, heavy grade laid in trenches or on ground / vertically with welded joints including painting with two coats of synthetic enamel paint over a coat of primer complete all as specified and as directed by Engineer-in-Charge. Make:- Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

All as per Sl item No. 8.00 but 100mm bore

S&F in repair butterfly valve 150 mm bore, PN 1.6 with necessary counter flanges, rubber gasket, bolts, nuts and washer complete all as specified and as directed by Engineer-in-Charge. Make : Zoloto / L&T/ Audco / Leader

All as per Sl item No. 10.00 but 100mm bore

S&F in repair pressure gauge for condenser water pressure and chilled water pressure of 4 inch and with range of 0- 100 kg/cm2 including fixing accessory to existing pipe line complete all as specified and as directed by Engineer-in-Charge.

S&F in repair Temperature gauge for condenser water line and chiller water line measuring with range of 20 to 50ºC including fixing accessories to existing pipe line complete all as specified and as directed by Engineer-in-Charge.

Repair and servicing to semi hermetic sealed reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR including taking down and dismantling the complete compressor unit, replacement of defective spare viz cylinder, piston heads, connecting rod, crank shafts, oil pump, bearings, valves, packing kit, ‘O’ rings, reeds, etc., re-assembling the same including cleaning and flushing out the system, the N2 gas for leakage proof, vacuuming and charging with R-22 gas and testing complete all as directed by Engr-in-Charge Note:-(i) Cost of replacement of Refrigerant gas / compressor oil shall be measured and paid separately. (ii) Cost of spare parts mentioned here-in-below under relevant items shall not considered to be included in this item however labour for replacement of the same shall considered to be included in this item.

Supply only valve plates with reeds suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only connecting rod suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only piston with rings suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only bush Bearing set suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only oil pump with accessories suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only Crank shaft suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only Packing complete suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only Suction filter suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

Supply only Oil filter suitable for reciprocating type compressor of make-Carrier, Model-30HRC-105(C) 3x33 TR complete all as specified and as directed by Engr-in-Charge.

M&L for brazing of copper tubes to seal any leakage joints or including replacing damaged copper tubes upto 1/4 inches dia and max length 1m and flare nuts complete all as specified and as directed.

M&L for taking out unserviceable cooling tower fan motor of capacity 7.5 HP, 720 RPM, 3 phase, 415V, 50 Hz, Vertically flange mounted from existing FRP cooling towers carrying to and bringing back for repair work at workshop, re-winding with copper wire of suitable gauge, replacing necessary worn out spares, nuts, bolts etc and fixing it back on the cooling tower complete all as specified and as directed.

S&F in repairs 3 pole power contactor of ML-3 with coil operating voltage 230 V/415V, AC, 50 HZ complete all as specified and as directed. Make:- L&T / Seimens / Schneider / Legrand / ABB / Havells / C&S

All as per Sl Item No. 26.00 above but 3 pole power contactor of ML-2

S&F in repairs 3 phase over load relay 0-70 Amps range complete all as specified and as directed. Make:- L&T / Seimens / Schneider / Legrand / ABB / Havells / C&S

All as per Sl Item No. 28.00 above but 0-20 Amp range

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point including dismantling existing earthing complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M&L for preparation of old painted steel surfaces of any description, over 10 cm in width or girth, not otherwise described and including applying one coat of synthetic enamel paint complete all as specified and as directed. Note:- Rusted surfaces shall be scraped with sand paper and shall be applied with one coat of zinc chromate primer before application of paint and unit rate quoted against this item shall be considered to include this aspect. Make:- Jotun India Pvt Ltd / Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd (Borolac) / Shalimar Paints Ltd (Superlac)

M&L preparation of old decorated wall surfaces and including applying one coat of white wash complete all as specified and directed.

M&L preparation of old decorated wall surfaces and including applying one coat of colour wash complete all as specified and directed.

S&F in repairs 80 mm bore non return valve, swing type, bye pass arrangement, cast iron body class PN-1.6, conforming to IS-5312, with flanged ends drilled suitable including necessary fixing arrangements such as nuts, bolts, washers, gaskets etc. complete all as specified and directed. Make:- Kirloskar / Leader / Zoloto / Venus / Audco / Upadhyaya

S&F in repair Y strainer of size 100 mm bore all complete as specified and directed by Engineer-in-Charge.

S&F in repairs 40 mm bore gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and directed. Make:- Kirloskar / Leader / Zoloto / Venus / Audco / Upadhyaya

S&F in repair discharge line muffeler suitable for 99 TR AC Plant complete all as specified and as directed.

Supply, installation, testing and commissioning water cooling coil, copper type, of size suitable for bluestar AHU of 8000 CFM capacity & of make as per OEM including taking down complete all as specified and directed.

M & L for de-scaling the shells and tube of condenser by circulating the RA111 organic compound after diluting with water at the appropriate ratio depending upon the scale depositions till removal of all the scale inside the copper tubes by removing both end covers, brushing/cleaning with nylon brush, removal of all scale deposits and degreasing with caustic soda, flushing out thoroughly, re-fixing the end covers along with new gasket packing, replacing the worn out nut and bolts, washers etc and connecting the inlet and out let water connection checking of water leaks for central AC plant of capacity 65 TR all as specified and directed.

All as per Sl item No. 39.00 above but for central AC plant of capacity 99 TR

M&L for servicing the Air handling units of 12000 cfm capacity with and including dismantling units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connection, cleaning of air filters, replacement of un serviceable bearings, water drain lines, renewal of rusted sheet metal screws, all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 41.00 above but Air handling units of 8000 cfm capacity Central AC

All as per Sl item No. 41.00 above but Air handling units of 5200 cfm capacity Central AC

All as per Sl item No. 41.00 above but Air handling units of 3200 cfm capacity Central AC

M&L for complete servicing the condensing unit of 5.5 TR, Package Air conditioning unit (Make: Carrier) ductable type, with and including dismantling the condensing units sheet metal body, blowing out the dust, spraying the organic based scale removing agent of Vaniklin at the appropriate ratio to the condenser fan area, till removal of complete scales & dust, flushing through for proper air flow across the coil, checking of all electrical connections, greasing of motor bearing, renewal of all corroded sheet metal screws, applying one coat of synthetic enamel paint over a coat of primer on the rusted portion, reassembling the sheet metal parts, and testing the unit all as specified and as directed by Engineer-in-Charge.

M&L for servicing the Air handling units of 11 TR capacity, Package type AC, with and including dismantling units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion value; greasing of blower motor, checking of electrical connection, cleaning of air filters, water drain lines, renewal of rusted sheet metal screws, applying one coat of synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 46.00 above but Air handling units of capacity 5.5 TR, Package type AC

All as per Sl item No. 46.00 above but Air handling units of capacity 7000 CFM, central AC

All as per Sl item No. 46.00 above but Air handling units of capacity 4500 CFM, central AC

M&L for complete leak testing the indoor and outdoor units, complete refrigerant pipe with nitrogen gas, locating the leaks, rectify the leak by brazing / welding and pressure testing the complete system for the capacity up to 5.5 TR air cooled package AC system all as specified and as directed by engineer-in-charge.

All as per Sl item No. 50.00 above but capacity of 11 TR package AC

M&L for complete leak testing the indoor and outdoor units, complete refrigerant pipe with Nitrogen gas, locating the leaks, rectify the leak by brazing/ welding and pressure testing the complete system for the 99 TR capacity central AC plant all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 52.00 above but capacity of 65 TR capacity central AC plant

S&F in repairs PCB Board suitable for 5.5 to 11 TR package type AC unit complete all as specified and as directed by Engineer-in-Charge.

S&F in repair condenser unit for 5.5 TR package type AC unit complete all as specified and as directed by Engineer-in-Charge.

S&F in repair outdoor unit fan blade for 11 TR unit package type AC unit complete all as specified and as directed by Engineer-in-Charge.

S&F in repair outdoor unit fan blade for 5.5 TR unit package type AC unit complete all as specified and as directed by Engineer-in-Charge.

S&F in repair "V" belt for AHU 120 TR SPA1120 complete all as specified and as directed by Engineer-in-Charge. Make : Fenner / Dunlop

S&F in repair "V" belt for AHU 120 TR SPA800 complete all as specified and as directed by Engineer-in-Charge. Make : Fenner / Dunlop

S&F in repair "V" belt for AHU 120 TR SPA1150 complete all as specified and as directed by Engineer-in-Charge. Make : Fenner / Dunlop

S&F in repair "V" belt for AHU 120 TR SPA1437 complete all as specified and as directed by Engineer-in-Charge. Make : Fenner / Dunlop

S&F in repair "V" belt for AHU 99 TR PIX A 76 complete all as specified and as directed by Engineer-in-Charge. Make : Fenner / Dunlop

S&F in repair solenoid valve coil suitable for 7/8” size valve, 220/230V 50 Hz complete all as specified and as directed by Engineer-in-Charge. Make: Danfoss / Indfoss.

M&L for complete checking of leaks, rectifying the leaks, pressure testing as per the standard practice and flushing out the system with Nitrogen gas for mortuary units complete all as specified and as directed by Engineer-in-Charge.

M&L for vacuuming and de-hydrating the system, supply & charging of R-407 C gas, testing & commissioning the system, tuning the system to obtain and maintain the temp of –15°C complete all as specified and as directed by Engineer-in-Charge.

S&F in repair HEPA filter of size 600x600x150mm (99% down to 3 microns) to match existing capacity of filters & chiller complete all as specified and as directed by Engineer-in-Charge. Make : Blue Star / Airtech / Thermodyne

S&F in repair, Prefilter, box type of size 500x500x48mm (90% down to 10 microns) to match existing filters complete all as specified and as directed by Engineer-in-Charge. Make : Blue Star / Airtech / Thermodyne

S&F in repair bag type fine filter of size 500x600x300mm (99% down to 5 microns) to match existing filters complete all as specified and as directed by Engineer-in-Charge. Make : Blue Star / Airtech / Thermodyne

S&F in repair, Prefilter, box type of size 500x500x30mm (99% down to 5 microns) to match existing filters complete all as specified and as directed by Engineer-in-Charge. Make : Blue Star / Airtech / Thermodyne

M&L for servicing of FRP cooling tower by removal of complete scales, dirt etc. using chemicals, cleaning the sump, louvers, PVC fills, fan assembly, renewal of spray nozzles, renewal of nuts and bolts as per the standard practice for 3 x 65 TR plant capacity cooling tower complete all as specified and as directed.

All as per Sl item No. 70.00 but for 2 x 99 TR plant capacity cooling tower

Supply and charge refrigerant gas R134A including replacement of materials like gasket/ ‘O’ rings/ washers for leak proof operation complete all as specified and as directed by Engineer-in-Charge. Make: Floron / Mafron / Refron / National

Supply and charge refrigerant gas R-22 including replacement of materials like gasket / ‘O’ rings / washers for leak proof operation complete all as specified and as directed by Engineer-in-Charge. Make: Floron / Mafron / Refron / National

Supply and charge refrigerant gas 404A including replacement of materials like gasket / ‘O’ rings / washers for leak proof operation complete all as specified and as directed by Engineer-in-Charge. Make: Floron / Mafron / Refron / National

M&L for dismantling defective induction motor of capacity 10 HP and of any make 415 V of any duty or any class of insulation from the bed duly coupled with pump, transporting to work shop, removing burnt out winding from stator, rotor and rewinding with suitable gauge super enameled copper wire of approved make and replacing driven end & non driven end bearings, insulation materials, varnishing, heating reassembling, testing and commissioning complete all as specified and as directed by Engineer-in-Charge. Notes :- Motor removed for rewinding shall be overhauled completely and the quoted rate shall be deemed to be inclusive for the same.

All as per Sl item No. 75.00 but for motor of capacity 2 to 3 HP

S&F in repair 630 Amps ON load changeover switch having front operated 4 pole complete all as specified and as directed by Engineer-in-Charge. Make: L&T / Seimens / Schneider / Legrand / ABB / Havells

S&F in repair MCCB 4 pole 400 Amp, breaking capacity 35/36 kA, Ics = 100% Icu, thermal megnatic release type with adjustable overload setting (0.8-1.0 ln), adjustable short circuit setting (6-10 lr) including necessary modification in the panel complete all as specified and as directed. Make :- L&T / Havells (Brand- HIM & HIX) / Panasonic / Hager / ABB / Legrand / Indo Asian (Optipower)

All as per Sl item No. 78.00 but 25 KA 250 Amp

M&L for removing the worn out duct insulation carefully, cleaning / preparation of surfaces and M&L for duct insulation (25 mm Thick) with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation as specified and including the following:- a) M&L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of mill scale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b) M&L for applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leak proof. (d) M & L for securing the insulation with and including mechanically fastened nylon / steel straps of size 12 mm / 50 mm at maximum intervals of 1.2 mtr.

Supply and replace / topup compressor oil suitable for screw type compressor for 3 x 65 TR Units all as specifeid and described. Make : HP / IOCL / Castrol

Supply and topping up compressor oil, N-68 grade for 2x99 TR Units complete all as specified and as directed. Make : HP / IOCL / Castrol

S&F in repair compressor suitable for 5.5TR capacity package type A/C unit including sealing of the compressor with brazing complete all as specified and as directed. Make : Blue Star / Voltas / Carrier / Danfoss / Emerson copeland

Supply, Fabrication, Installation testing and balancing of sheet metal duct as per site requirement to suit each machine mouth connection with 22 Gauge galvanized sheet steel Ducting including providing angle iron supports flanges hangers nuts & bolts Gaskets etc after taking out old damaged sheets from site and making good of all damages / disturbed portion complete all as specified and as directed. Note :-The ducts shall be fabricated in site for perfect mouth connection to each machine Make : Sail / Tata / Jindal

S&F in repair mother board for 65x3 TR screw chiller plant & of make as per OEM complete all as specified and as directed.

S&F in repair SEMPS board for 65x3 TR screw chiller plant & of make as per OEM complete all as specified and as directed.

S&F in repair Contactor (Seimens 3TF47) for 65x3 TR screw chiller plant complete all as specified and as directed.

S&F in repair sensor unit for 65x3 TR screw chiller plant & of make as per OEM complete all as specified and as directed.

S&F in repair mother board for 33x3 TR semi hermetic sealed reciprocating unit & of make as per OEM complete all as specified and as directed.

S&F in repair SEMPS board for 33x3 TR semi hermetic sealed reciprocating unit & of make as per OEM complete all as specified and as directed.

S&F in repair sensor unit for 33x3 TR semi hermetic sealed reciprocating unit & of make as per OEM complete all as specified and as directed.

Repair and servicing to screw type compressor strip opening the head of compressor units complete spare parts of capacity of 65 TR, inspecting the parts for serviceability and replacement only unserviceable worn out parts in the compressor, complete assembling cleaning the system with Nitrogen gas for leak detection after flushing out the system vacuuming and charging only inclusive and testing the unit on no load and full load condition and checking the parameters etc. complete all as specified and as directed. Note :- (i) Cost of replacement of Refrigerant gas / compressor oil shall be measured and paid separately (ii) Cost of spare parts mentioned here-in-below under relevant items shall not considered to be included in this item however labour for replacement of the same shall considered to be included in this item.

Supply only External Oil filter suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Drive Cores suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only LP Transducer suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only HP Transducer suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Temperature sensor suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Sensor cable suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Solenoid coil suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only HP Switch suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Pulse valve coil (10W) suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Pulse valve coil (20W) suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

Supply only Oil filter suitable for 65TR Screw type Compressor of Make-Carrier, Model-30HXY065 complete all as specified and as directed by Engr-in-Charge.

LAKSHMI SAI CONSTRUCTIONS

Chitturi Associates

SAI ENGINEERING WORKS