REPAIR AND COMPREHENSIVE MAINT OF AC PLANT AT BASE OPS AND PPR AND S 45 ED TYRE STORE NBD FSAAND 45 AWACS STORE IN AF STN AGRA UNDER GE AF TECH AREA AGRA

Amount

PART- I M&L for repair / maintenance of Package type/Central AC plant of following capacity including carrying out daily check and Periodical servicing by rep of OEM of the AC Plants at various locations to maintain in a reliable, safe and efficient manner using latest techniques & experts by carrying out planned maintenance in a systematic and controlled manner by regularly examing, testing, lubricating and adjusting of all the items of AC Plants with inculding repair/ replacement of all defective parts i.e all type of mechanical and electrical items. (i) Descaling of condensor after opening of both end cover, circulation of descaling solution using pump for circulating descaling solution and manually using nylon brush of size 1/4, 3/8, 1/2, 5/8 inch descaling rod etc without damaging copper tubing and refixing of side cover sheet of 3 mm thick and replacement of rusted nuts bolts etc. (ii) Descaling and flushing of cooling coil complete with chemical brushing to fins, bends and cleaning complete. (iii) Repairing, servicing of cooling coil tower of AC Plant FRP type by dismantling and taking out the one comb PVC tiles and PV nozzeles by suitable descaling solution including brushing and cleaning complete with cleaning solution and water, replacing the defective PVC flange alongwith rubber gasket and rusted bolts, nuts and washer wire mesh with suitable cleaning solution, re-assembling the same including replacing the defective water filter, flanges of pipe joints etc and testing complete. (iv) Servicing of compressor unit by draining out the used compressed oil, opening both side covers, head covers and taking out the defective oil filter, cleaning the sump by using suitable cleaning solution, replacing the defective oil filter element, checking of solution and discharge valve, adjust them and refixing the side covers head covers including replacing the suitable gasket complete and refilling of new compressor oil to the required level, removing the pull, checking the serviceability of shaft seal assembly, replacement of shaft seal assembly, and refixing the pull including replacing the defective gas filter and tesing complete.

(a) 45 Ed Awacs Store -45 TR (3x15TR)-01 No T

(b) PP&RS 210TR (3x70 TR)-01 No

(c ) NBD DB No-03 -30 TR (3x10TR)-01 No

(d) New FSA 36 TR (3x13 TR)-01 No

(e) Base OPS Complex 90 TR (3x30TR)-01 No

SCOPE OF WORK:- SECTION I 1. All equipments under contact will be serviced four time during the contract period as per standard check. 2. All break down calls will be attended during the contract period. 3. Cost of spares parts/consumables required shall be borne as per type of cntract and shall be applicable to all activities specified under Section II of this annexure.

SECTION II (a). The compressor will be checked for its proper functioning and if any defect is found the same will be repaired/replaced. (b). Safety controls such as pressure cut out will be tested for proper functionig and in case of any mal-functining they will be either repaired or replaced accordingly. (c). Air filters will inspected and cleaned, if necessary. (d). Cooling coil will be inspected ad cleaned, if necessary. (e). The blower motor will be checked and any defects noticed will be attended to. (f). the driver set of the blower section will be inspected, belt tension adjusted and belts changed, if necessary. (g). Any defect in the electrical items and controls wiring will be attended to. (h). Activities applicable to water cooled units: (i) Condenser water pumps with motor will be checked for satisfactory functioning. any minor repair to them, if necessary, will be carried out by Contractor. (ii) Cooling tower nozzles will be inspected and attended to for proper spray and replaced, if necessary. (iii) Contractor will carry out cleaning of the cooling tower sump twice in a contract.

(j). Activities applicable to Air cooled Units:- (i) The condenser fan motor will be attended to. (ii) The condenser coil will be inspected and cleaned. (iii) Any repairs in the condenser coil will be attended to. (iv) Repairs to refrigerant piping due to system problems will be attended to.

Note : - (i) Rectification of any breakdown of any AC plant whenever required round the clock, rectify the fault and restart the plant within three hour after/receipt of complaint of any nature i.e Compressor, Condensor, Cooling tower, AHU, Control panel etc. (ii) The cost of transportation (to and from) for all kind of necessery equipment/T&P shall be arranged/brought by contractor to complete the job at site or at E/M yard no extra cost shall be paid to the contractor to this effect. (iii) The Contractor shall deploy sufficient AC Mechnic and Helper. Rate quoted shall deemed to be inclusive of T&P required to carry out repair staionery for upkeep of records, uniforms to mechanic and helper etc. (v) The Lowest Bidder will submit MOU on the stamp paper of Rs 100 as per specified performa given by the deptt from the OEM with in fifteen days for 11 months, the contractor will liable be cancelled & further action to be taken as per the policy in vogue of the defaulter. (vi) The contractor will conclude AMC with OEM and copy of the Agreement will be submitted to the Engineer-in-Charge and GE before commencement of AMC, no payment will be made to the contractor without submission of valid AMC agreement. (vii) The Contractor has to carry out the repair/maintenance of the AC palnts through OEM only. (vii) The repair/maintenance should cover any/all parts of AC Plants if its fucntions found defective the same should be repaired or replaced by the OEM as per the timeline covered under norms. Necessary paid vouchers shall be submitted by the OEM for the materials like compressor/PCB cards ect.

PART-II

M&L for spray painting of 3 x 70 TR AC Plant air cooled at PP&RS after scratching and rubbing for removing of old existing paint from the surface of central AC plants complete i.e. compressors, condensers, motors, water circulating pipe line, connecting valves, AHU, electric panels, stablizer, switches etc and including applying one coat of red oxide primer & two coats of synthetic enameled paint over primer as per colour code of system approved by Engr in charge including writing SM/MES number & marking arrow for flow of refrigerant on refrigerant lines and water lines complete all as specified and directed

All as per item No.2.1 above but for capacity 3 x40 TR AC plant at Base Ops water cooled

All as per item No.2.1 above but for capacity 3 x15 TR AC plant at 45 ED awacs store water cooled

All as per item No.2.1 above but for capacity 3 x10 TR AC plant at NBD water cooled

Supply, fixing in replacement of air cooled chiller compressor of capacity 20 TR ( Model No: SY300A4PBE DANFOSS COMMERCIAL COMPRESSOR and as per sample Location at PP&RS AC plant) after disconnection of old compressor from base frame and refixing new compressor including filling of compressor oil, charging of refrigerant gas to the required pressure and testing at full load complete all as specified and directed by the Engr-in-Charge

Supply, fixing in replacement of water cooled chiller compressor of capacity 5/7.5 TR ( Model No: ZR81KCE-TFD-522 EMERSON COPELAND SCROLL or SZ18554RC DANFOSS COMMERCIAL COMPRESSOR and as per sample installed at 45 ED Awacs store and NBD AC plant) after disconnection of old compressor from base frame and refixing new compressor including filling of compressor oil, charging of refrigerant gas to the required pressure and testing at full load complete all as specified and directed by the Engr-in-Charge

Supply and Filling the Refrigerant gas of R407 to fill in existing Chiller unit of capacity 10TR to 70 TR by testing the gas leakage with first filling of N2 gas and vacume the same to fill rthe Refrigerant gas and all as specified and directed.

Supply and Filling the Refrigerant gas of R22 to fill in existing Chiller unit of capacity 30 TR by testing the gas leakage with first filling of N2 gas and vacume the same to fill rthe Refrigerant gas and all as specified and directed.

Supply and Install , commissioning the Control panel of AC Plant 13TR capacity along with taking down the old unserviceable Existing panel and comnnecting the all electrical connections and made functional the chiller unit and all as specified and directed

Supply and Install the condensing coil of 70 TR air cooled unit of Central AC Plant of size and capacity suitable for 70 TR air cooled AC plant along with taking down the old unserviceable cooling coil of condenser by disconnecting the all gas pipe line and fan assembly, the new condensing coil will be fitted with existing system with minor modifications and connecting the gas pipe lines by soldering/welding the pipe line and fitting the fan assembly and all as specified and directed.as per existing OEM.

S & F display unit with PCB complete set for air cooled / water cooled AC plant of any capacity 70 TR as per sample and as directed by Engr-in-Charge .

S & F display unit with PCB complete set for air cooled / water cooled AC plant of any capacity 10 TR as per sample and as directed by Engr-in-Charge .

S & F display unit with PCB complete set for water cooled chiller AC Plant upto 30 TR as per sample as directed by Enigneer-in-charge.

M&L for shifting the 30 TR chiller unit from existing platform alongwith compressors and disconnecting the electrical connections and pipeline connectios etc and all as specified and directed by Engr-in-Charge.

M&L for Re-Fixing the Chiller unit after repairing the foundation and replacing the connected pipeline and other lathe related works and made functional the whiole unit and all as specified and directed.

M & L for rewinding of electric motor of capacity 15/12.5 HP by dismantling and removing the burnt out copper winding thoroughly and rewinding with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish , drying etc including reassembling the motor, reinstallation in same position complete including testing complete all as directed.

All as per item No.14 above but electric motor of capacity 10 HP

All as per item No.14 above but electric motor of capacity 7.5 HP

All as per item No.14 above but electric motor of capacity 5 HP

All as per item No.14 above but electric motor of capacity 3 HP

S & F in replacement contactor 3 phase 200 Amp 415 V for air cooled chiller's main panel complete all as directed.

S & F in replacement contactor 3 phase 100 Amp 415 V for air cooled chiller's main panel complete all as directed.

S & F in replacement contactor 3 phase 32 Amp 415 V for air cooled chiller's main panel complete all as directed.

S & F in replacement contactor 3 phase 20 Amp 415 V for air cooled chiller's main panel complete all as directed.

S & F in replacement rotational moulded polyethylene water storage tank capacity 1000 liters (cylinderical with closed top) hoisted and fixed in position all as specified in SSR part-I

S & F in replacement rotational moulded polyethylene water storage tank of capacity 3000Ltrs (cylinderical with closed top) hoisted and fixed in position all as specified in SSR part-I

Supply and fixing expansion valve suitable for 70 TR AC plant as per sample as directed by Enigneer-in-charge.

Supply and fixing in expansion valve suitable upto 30TR AC plant as per sample as directed by Enigneer-in-charge.

S&F in replacement of V belt of any size / Number suitable for compressor and blower as per sample complete all as specified and directed.

S& F in replacement solenoid valve for water cooled chiller AC Plant as per sample as directed by Enigneer-in-charge.

S& F in replacement drier filter for water/air cooled chiller AC Plant as per sample as directed by Enigneer-in-charge.

S & F in replacement relay timer for water/air cooled chiller AC Plant as per sample as directed by Enigneer-in-charge.

S & F in replacement single phase preventer for water/air cooled chiller AC Plant as per sample as directed by Enigneer-in-charge.

S & F in replacement digital multi function meter as per sample as directed by Enigneer-in-charge.

S & F in replacement LED indicating lamp R,Y,B as per sample as directed by Enigneer-in-charge.

Supply and fixing AHU fillters 90% upto 10 Micron of size (600mmx600mm) as per sample as directed by Enigneer-in-charge.

Supply and fix in replacement Pressure Gauge 100mm dial 0-21 Kg/cm2 rating as per sample as directed by Enigneer-in-charge.

S & F in replacement Blower motor pulley as per sample as directed by Enigneer-in-charge.

S & F in replacement water flow switch as per sample as directed by Enigneer-in-charge.

S & F in replacement water temperature sensor (in & out Water) as per sample as directed by Enigneer-in-charge.

S & F in replacement air release valve suitable for 80mm dia MS pipe with flanged ends at both sides as per sample as directed by Enigneer-in-charge.

S & F in replacement non return butterfly valve of size 100 mm as per sample as directed by Enigneer-in-charge.

S & F in replacement non return butterfly valve of size 150 mm as per sample as directed by Enigneer-in-charge.

S & F in replacement non return butterfly valve of size 80 mm as per sample as directed by Enigneer-in-charge.

S & F in replacement three way motorised valve (125mm) as per sample as directed by Enigneer-in-charge.

Supply and fixing in replacement cooling tower fins of size 600x300x3 mm as per sample as directed by Enigneer-in-charge.

Supply and fixing in replacement cooling tower Sprinkler as per sample of existing size as directed by Enigneer-in-charge.

Supply and fixing in replacement cooling tower Strainer filter as per sample of existing size as directed by Enigneer-in-charge.

Supply and fixing in replacement of air cooled condenser fan assembly as per sample of existing size for 70 TR air cooled Condenser as directed by Enigneer-in-charge.

Supply and fixing in replacement cooling tower fan as per sample of existing size for 70 TR air cooled Condenser as directed by Enigneer-in-charge.

Supply and fixing in replacement Dehumidifier controller to fitting on existing control panel of AC Plant of 30 TR to automatic control of humidity of range 45% to 55% as directed by Enigneer-in-charge.

Supply and fixing in replacement Dehumidifier Thermostate as per sample of existing size as directed by Enigneer-in-charge.

Supply and fixing in replacement MPD for water cooled chiller panel (Model EC) as per sample as directed by Enigneer-in-charge.

Supply and fixing in replacement VPD for water cooled chiller panel (Model EC) as per sample as directed by Enigneer-in-charge.

S & F of LP and HP switch as per sample as directed by Enigneer-in-charge.

Supply and fixing in replacement overload relay as per sample as directed by Enigneer-in-charge.

S & F in replacement water temperature meter as per sample as directed by Enigneer-in-charge.

M&L for plain cement concrete (1:2:4) type B-1 using 20mm graded stone aggregate for base foundation to chiller unit of AC Plant including necessary form work finished even and smooth without using extra cement all as specified and directed by Engineer-in-charge.

M & L for replacement of butterfly valve, both ends flanged and drilled, size 80mm bore, (ISI marked) including jointing material such as nuts, bolts, washers and rubber gasket etc, complete all as specified and directed by Engr-in-charge.

M & L for replacement of butterfly valve, both ends flanged and drilled, size 100mm bore, (ISI marked) including jointing material such as nuts, bolts, washers and rubber gasket etc, complete all as specified and directed by Engr-in-charge.

S&F in replacement stainer valve of 80mm dia for cooling tower pipe line to flow the dust free water to cooling tower and having the both flanged ends and alongwith nut bolts and all as specified and directed.

M & L in replacement butterfly valve, both ends flanged and drilled, size 150mm bore, (ISI marked) including jointing material such as nuts, bolts, washers and rubber gasket etc, complete all as specified and directed by Engr-in-charge.

Supply, installation, testing and commissioning in replacement centrifugal pumping set of capacity 5 HP suitalble for AC three phase 415 volts, 50Hz , 750 LPM discharge at 20 Mtr head complete all as per sample and as directed by Enigneer-in-charge.

Supply, installation, testing and commissioning in replacement centrifugal pumping set of capacity 7.5 HP suitalble for AC three phase 415 volts, 50Hz, 870 LPM discharge at 24 Mtr head complete all as per sample and as directed by Enigneer-in-charge.

Supply, installation, testing and commissioning in replacement induction motor three phase of capacity 3 HP as per sample and as directed by Enigneer-in-charge.

Supply, installation, testing and commissioning in replacement induction motor three phase of capacity 5 HP as per sample and as directed by Enigneer-in-charge.

Supply, laying and testing in replacement of XLPE PVC insulated armoured heavy duty 1100 volts grade electric cable of copper conductor having cross sectional area of 6 Sqmm 4 core etc coplete all as speciied & directed.

all as per item No 65 above but cable size shall be 10 Sqmm 4 core

S&F in replacement of PVC Insulated copper conductor of size 6sqmm single core multi stranded copper conductor etc complete all as specified and directed.

S&F in replacement of PVC Insulated copper conductor of size 4sqmm single core multi stranded copper conductor etc complete all as specified and directed.

S&F in replacement of PVC Insulated copper conductor of size 10sqmm single core multi stranded copper conductor etc complete all as specified and directed.

Supply and fix in replacement fully DOL starter having 50 cycles / sec suitable for 3 Phase 400/440 volts 2 to 3 HP capacity Motor all as specefied and directed.

Supply and fix in replacement fully DOL starter having 50 cycles / sec suitable for 3 Phase 400/440 volts 5 to 7.5 HP capacity Motor all as specefied and directed.

Supply and fixing in replcement of thermometer to be installed at the CI water main lines of size 80 mm diameter all as specefied and directed.

S & F in repir/replacement of MS pipes heavy duty grade with all fittings laid in floors or fixed to walls or ceiling or ground etc of size100 mm bore including both size heavy duty flanges, nut, bolts washers etc complete all as specefied and directed.

S & F in repir/replacement of MS pipes heavy duty grade with all fittings laid in floors or fixed to walls or ceiling or ground etc of size 80 mm bore including both size heavy duty flanges, nut, bolts washers etc complete all as specefied and directed.

S & F in repir/replacement of MS pipes heavy duty grade with all fittings laid in floors or fixed to walls or ceiling or ground etc of size 50 mm bore including both size heavy duty flanges, nut, bolts washers etc complete all as specefied and directed.

M&L For insulation of MS pipe with puf slab of 40mm thick with and including applying bituminous compound and GI cladding with 26 guage GI sheet suitable for 80mm MS pipe etc complete all as specified and directed.

M&L For insulation of MS pipe with puf slab of 40mm thick with and including applying bituminous compound and GI cladding with 26 guage GI sheet suitable for 100mm MS pipe etc complete all as specified and directed.

M&L For insulation of MS pipe with puf slab of 30mm thick with and including applying bituminous compound and GI cladding with 26 guage GI sheet suitable for 50mm MS pipe etc complete all as specified and directed.

M&L for PCC (1:3:6) type C1 (using 20 mm graded aggregate) in filling and mass concrete, surface drains of cooling towers AC plants including necessery form work and finishing surfaces fair and even with using extra cement complete all as specefied and as directed.

M&L for writing of MES No/SM No on package type AC plant with Black paint of size 7.5 cm (17 Nos) and writing of plant capacity, make, date of installation MES/SM No, shall be write on 5 cm x 5cm (size square) iron plate with using of black and white paint and fixing in Plant room on wall using concrete nails/nut bolts etc complete all as directed.

M&L Painting of CI/GI/MS pipes of Air/ Water distribution of size 100 / 80 mm dia along with side supports, Cooling tower pipes, supports channels complete with two coats of synthetic enamel paint over a coat of Red oxide primer including preparation of the surface by scrapping by using scrape paper and removing rust part and finishing of smooth surface all as per colour code etc complete all as specified and directed.

M&L For duct insulation with resin bonded fibre glass wool roll of density 24 Kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation shall be 40mm all as specified including the following :-

(a) M&L For cleaning the duct surface (to be insulated)by scraping carefully with wire brush etc. to make the surface completely free of millscale, 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 over duct surface (c ) M&L For sealing of all longitudinal joints and circular over laps with and including aluminum foil tape 50mm wide, to make the insulation leakproof. (d) M&L for securing the insulation with and including mechanically fastened nylon/steel strips of size 12mm/50mm at maximum intervals of 1.2 mtr and all as specified and direcrted.

Supply and Assemble and erection of GI sheet of size 24 guage with C&SS rectangular/square duct made out of 'L' shaped hallow profile, duly factory boxed, incl all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealant on longitudinal joints etc complete and all as specified and directed.

M&L For structural steel work for supporting to duct of AC Plant as in doors or gates of angle or other section with gusset plates, rails, braces etc complete drilled for fixing or other covering doors etc to be prepared for hanging or sliding framed work with and including either hooks or hinges or steel hanging fittings by using Fe-410W (Gde-E-250) Quality steel and grouting the base of structure with PCC 1:3:6 type C1 and all as specified and directed

M&L for earthing in renewal with galvanised steel plate electrode of size 600mmx600mmx6mm thick buried directly in ground (earth pit not less than 2.25 Mts deep below ground level with top edge of the plate not less than 1.50 Mtrs below ground level connected to glavanised iron wire of size 4 mm by means of bolts, nuts check nuts and washers of galvanised iron or steel connected to earthing test point all as specified incl excavation and earth work and disposal of surplus soil incl 40 mm GI tubing light grade for protection and necessary fitting for protection of earthing lead including laying of charcoal, dust and common salt, PCC (1:2:3) type C-1 using 20mm graded stone aggregate for earth pit with 40x40x6mm MS angle iron frame, RCC cover 40mm thick casted in PCC (1:2:4) type B-0 using 12.5mm graded stone aggregate reinforced with 6 mm dia round bar @ 75mm C/C both ways with MS handle 12mm dia, plastering 15mm thick CM (1:6) internally and upto 150mm below ground level externally, PGI funnel, with 20mm dia GI pipe medium grade for watering and wire mesh complete all as specified and shown on electrical plate No 3 of SSR Part (2009) and connected to earth test incl testing complete all as specified an directed.

Supply & fix in replacement MCCB, 400 Amp, 3 pole, 36 KA ,thermal magnetic adjustable type from 80-110% of 415 Volt including taking out existing connections, cable lugs etc all as specified and directed.

All as per Ser Item No 86 above but 315 Amp 3pole 415 volts 25 KA

All as per Ser Item No 86 above but 250 Amp 3pole 415 volts 25 KA

All as per Ser Item No 86 above but 160 Amp 3pole 415 volts 25 KA

All as per Ser Item No 86 above but 125 Amp 3pole 415 volts 25 KA

Supply and Fixing in replacement of MCB TPN 415 volts 50Hz 'C' curve 10KA breaking capacity of current carrying capacity 63 to 100 Amp etc complete all as specified and directed.

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