OUTSOURCING OF SERVICES AND REPAIRS FOR CENTRAL AND PACKAGE TYPE AC PLANTS AND ALLIED REPAIR WORKS INSTALLED AT DMRL, DRDO TOWNSHIP, CNA (DP) AND ADJOINING AREA UNDER AGE E/M -1 AT KANCHANBAGH, HYDERABAD.

Amount

Outsourcing of services for Operation & Maintenance of AC plant at AEC Bldg DMRL, carrying out regular,routine checks for upkeep of installation, like oil level checking, leak testing, checking of electrical control panel, greasing to the motor, replacement of gland packing to pump, O rings, gaskets, belts, nuts, bolts and washers etc.,and including, cleaning of cooling tower, AC plant room and check & fill water in tanks provided at AC plant but excluding major repair & Maintenance to AC plant 3x30 TR capacity, water cooled, scroll chiller plant with AHUs, Fan coil units, dehumidifier, pump sets with electrical panel, switch operation etc ,on all days including Sunday & holidays in three shifts. (1st shift from 0600hrs to 1400hrs, 2nd shift from 1400hrs to 2200hrs, 3rd shift from 2200hrs to 0600hrs (one AC operator for each shift) complete all as directed by Engr-in-Charge.

All as per serial item No.1 here-in-before but for AC plant of capacity of 3x7.5 TR package type installed in CREEP Lab,DMRL (24 hours round the clock) on all days including Sunday & holidays in three shifts. (1st shift from 0600hrs to 1400hrs, 2nd shift from 1400hrs to 2200hrs, 3rd shift from 2200hrs to 0600hrs (one AC operator for each shift) Note :- Tradesmen employed in this AC plant shall also Switch ON/OFF Air Blower at PM plant Bldg as and when required as directed.

All as per serial item No.1 here-in-before but AC plant of capacity 3 x 92 TR outdoor type Air cooled screw Chiller type AC plant with 2 X 92 TR running capacity and 1x 92 TR stand by unit system consisting of 3Nos AHU's installed in TIC building including Auditorium and also running capacity 2x7.5 TR package type AC plant installed in CAD CAM on all days excluding Sundays and holidays in one shift from 0830 hrs to 1630 hrs (one AC operator). Note:- Tradesmen employed in this AC plant shall also Switch ON/OFF Air Blower at PM plant Bldg as and when required and as directed.

All as per srl item No. 1 here-in-before but AC Plant of capacity 3 x 52 TR Central type AC plant with 2 x 52 TR running capacity and 1 x 52 TR stand by unit installed at RARE EARTH and ANALYTICAL BLDG, on all days excluding Sundays and holidays in one shift from 0830 hrs to 1630 hrs. (one AC operator ) complete all as directed.

Outsourcing of services for Maintenance of water distribution to furnace process area and water distribution covering entire area of AEC in DMRL complete all as specified and as directed by Engineer-in-Charge.on all days including Sunday & holidays in two shifts. (1st shift from 0600hrs to 1400hrs, 2nd shift from 1400hrs to 2200hrs (one AC operator for each shift)

Note for Item No.1 to 5 (i) The materials required for the area cleaning and AC plant cleaning (Cotton Waste, Brooms and Carbon Cleaner for Battery terminals) and water pipe for watering in earth pits will be provided by the Contractor and cost of cleaning materials and pipe, provision of Printed Log Books & Stationery required is deemed to be included in quoted rate (iii) After handing over duty to Reliever only the duty person should leave the installation in Shift duties(iv) In case of theft any item from installation recovery shall be made from the contractor as per direction of Engr-in-charge. (vi) Qualification / Experience certificate (minimum 05 years) with age not above than 60 Years of all staff employed shall be submitted. (v) Contractor to comply all the respective notes of Particular Specifications attached.

Note: 1. Contractor shall quote cumulative of basic rate,VDA , employers contribution towards EPF liability, contribution towards ESIC, contribution towards bonus, over head and profit as applicable as per instruction in vogue including all Taxes, Cess, Levies as applicable including GST. 2. Monthly wages shall be paid by the contractor to the workers/labour only online. Proof of statutory deductions in favour of workers/labour shall be submitted by the contractor to the GE. The contractor will be required to submit copy of valid labour licence from the labour Commissioner within 15 days of commencement of the work. If the contractor fails to submit the same within this stipulated period the contact shall be liable to be cancelled and the performance Secuirty of the firm shall be forfeited accordingly. Reference is also invited to this HQ letter No.A/37696/Gen/Pol/E2W(PPC) dated 27 July 2017 as amended vide letter of even No. dated 09 May 2018.

Supply & charge refrigerant gas R-410 upto required level complete all as directed.

Comprehensive maintainance contract of the following equipment of central AC plant at AEC facility DMRL, including supply & fixing of spare parts of any nature (Major/Minor, Except Desiccant Rotor & Drive Motor, remaining all are included,including service Engineer visit as and when required) and repair of AC plant, all types of repairs / replacement of Refrigeration & Electrical spares, leak testing & Refrigerant Gas charging as required, Descaling of condensers, Rewinding of Motors, and any other Miscellaneous repairs to AC plant to maintain desired humidity condition i.e., 30% to 80% as required basis all as specified to maintain the temperature of 21° +/- 2° C on Users requirement all as directed by Engr-in-Charge :- (a) Chiller CGWH – 30 TR water cooled scroll chiller – 03 Nos. Make:-TRANE. (b) Humidifier – 01 No. Make:- NORDMANN (c) Dehumidifier FVB 4000– 01 No. Make:-BRYAIR (d) BMS system – 01 No. Make:-SAUTER (e) Cooling tower 15 LPS capacity FRP Type - 01No. Make:- PAHARPUR (f) AHU’s – 02 Nos (2 TR capacity each). Make:- ETA (g) FCU’s – 02 Nos (2 TR capacity each). Make:- ETA (h) Chilled water pump set 7.5 HP - 02 Nos. Make:- KIRLOSKER (i) Condenser water pump set 12.5 HP - 02 Nos. Make:- KIRLOSKER (j) Motor control panel 01No and 02 Nos AHU's electrical panel. Make:- L&T / SIEMENS (k) Ducts insulation piping and valves etc.

Note for Item No.7 :- In case the contractor fails to repair the AC plant within 48 hrs. of breakdown due to any circumstances,a penalty of Rs.5000.00 per 48 hours or part thereof shall be recovered from contractor's payments. The decision of GE on this account shall be final and binding.

M&L for Voltas-3 x 92 TR air screw type chiller AC Plant inspection and fault rectification carried out by Manufacturer Engineer for releasing out locking setting the programming for proper functioning of AC plant and to rectify other minor/major problems, including Re-programming & rectify faults occured as and when, with all necessary tools and machines and other major problem & faults (faults either software problem or hard ware) including providing new software if software not working properly with all necessary tools and machines. Note :- i)Transportation & lodging charge with hiring of machines and equipments are deemed to be included in quoted rates ii) the rate does not includes material cost,material mesured & paid separately under relavent items) iii).The service Engineer shall be from OEM only.

Description all as per item No 8 but for 30 to 52 TR Capacity AC Plant/ Chiller. Make :TRANE,BLUESTAR AC plant

S & F in repairs fan motor of 1.5 Ton window/split type AC of any make complete all as directed.

Repair/taking down the window/split type AC of any make and disconnecting the components and accessories and repairs to cabinet by welding, rewetting and reassembling and reinstalling in the existing position after servicing and connecting, testing and commissioning complete all as directed by Engr-in-charge of the 1.5 Ton capacity Split Type AC. Note :- Replacement of unserviceable spares/components shall be measured and paid separately

All as per item No 11 but for 2.0/3.0 Ton Capacity Split type AC

All as per item No 11 but for 1.5/2.0 Ton Capacity Window type AC

Supply, and fix in repairs Panel Circuit Board (PCB) with Display unit suitable for AC plant of 110 TR Capacity including necessary control wiring , replacement of lugs, clamps, testing complete all as directed. Make :- Voltas/Blue star (As per existing Model)

S&f including testing and commissining for scroll type compressor unit suitable for 12 TR package type plant, compatiable to R-22/R-134a refrigerent, thermally protected, Max system test pressure low/high side: 25 bar(g)/31.9 bar (g), Maximum differential test pressure : 28 bar, 3 phase, with working voltage of 460-400V+10%, 50 Hz, full laod amp 35A, nomial flow rate : 43.4 m3h, RPM : 2900 tr/Min complete with all necessary fittings, including dismantling existing unserviceable compressor and seperate from existing refrigerant & electrical line, including brazing, leak testing, cable connections with lugs complete all as directed Make: Model CSHA150K of Trane Make or equivalent in Denfoss/Indfoss

S & F in repair Starting Relay of for 2.0/1.5 Ton capacity Window/Split type AC's all as directed

S & F in repair Overload protector SR 1622 for Window/Split type AC's all as directed

S & F in repair Starting capacitor of 80 to 100 MFD for Window/Split type AC's all as directed

S & F in repair Starting capacitor of 100 to 120 MFD for Window/Split type AC's all as directed

S & F in repair Running capacitor of 36 MFD for Window/Split type AC's all as directed

S & F in repair Running capacitor of 45 MFD for Window/Split type AC's all as directed

S & F in repair Thermostatic switch for Window/Split type AC's all as directed

S & F in repair of Blower fan motor suitable for 1.5/2.0 Ton capacity Window/Split type AC's complete Note for item Nos. 16 to 24 :- All items replaced with same make of defective existing make.

Rewinding of blower motor with same guage and turns and weight of copper enameled wire and replacement of bearing, testing and commissioning of 1.5/2.0 Ton split type AC of any make, any model complete all as directed by Engr-in-charge.

S & F in repair of Fan blade for 1.5/2 Ton capacity Split type AC as per existing make and model

S & F in repair of Air filter for window/split type AC 1.5/2 Ton as per existing make and model

S & F in repair of Front grill for window type AC as existing make and model

Taking down carefully old burnt/unserviceable compressor unit of 1.5 ton capacity window type AC and replacing the same with factory reconditioned compressor including necessary accessories i e capillary tube including strainer and mounting materials,etc, welding, brazing, leak testing, vaccumissing and charging the refrigerant gas to the required pressure and weight, reinstalling the AC unit on the same place including testing and commissioning complete to any make of AC all as directed by Engr-in-charge.

All as per Item No-29 here-in-before but of 1.5 Ton capacity Split type AC complete all as directed

All as per Item No-29 here-in-before but of 2.0 Ton Window type AC complete all as directed

All as per Item No-29 here-in-before but of 2.0 Ton Split type AC complete all as directed

All as per Item No-29 here-in-before but of 3.0 Ton Split type AC complete all as directed

M&L for rewiring for window/split type AC of 1.5/2.0 Ton capacity with copper wire PVC insulated single core of size 48/0.20 MM and clips, terminal connector etc including taking out burnt wiring complete all as directed

Cleaning the unit with CTC except evaporator and condensor and leak testing the system with CO2 gas and detecting the leak and repairing, brazing and sealing the leakage including charging the refrigerant R-22 gas to the required pressure and weight of gas for 1.5/2.0 Ton capacity window/split type AC of any make complete all as directed

All as per Item No-35 here-in-before but of 3.0(Multi unit)/5.0 Ton capacity window/split type AC. Note for item No 35 & 36:- Gas charging will be measured against relevant item of this schedule.

Servicing and overhauling the 1.5/2.0/3.0 Ton capacity (Window/Split) AC with water, chemical air clearner, filter and drying, checking the bolt and nut connections, filling, refixing /shifting/electrical loose connections and testing complete all as directed

S & F in repairs AC metal clad plug and socket enclouser single pole and neutral with a two pin and earth plug and socket with MCB SP of 5-32 Amps rating complete all as directed. Make:- C&S/Standard/Legrand

S & F in repairs metallic operating knob as suitable for the particular make Air conditioner for the Window/Split type Acs of .01/1.5/2.0 Ton capacity complete all as directed.

S & F evaporating coil made out of 25 SWG copper tubing having 30/34G aluminium fins per length for window AC's of 1.5/2.0 Ton capacity including taking out the Unsv evaporating coil complete all as directed.

S & F condensor coil made out of 25 SWG copper tubing having 30/34G aluminium fins per CM length for window AC's of 1.5/2.0 Ton capacity indlcuding taking out the Unsv condensor coil complete all as directed.

S & F Indoor unit of Split type AC of 1.5 TR capacity suitable to existing Outdoor Unit including the necessary connections and testing complete all as directed Make - BAJAJ, LG, VIDEOCON, HITACHI, VOLTAS,CARRIER

All as per Item No.42 above but forSplit AC 2.0 TR capacity complete all as directed.

Cutting the existing window including additions/alterations to make the opening suitable for fixing the window type air conditioners including welding and wood work to match with the adjoining/existing surfaces and shifting the window type air conditioner to the new altered location/ existing including the necessary connections and testing complete all as directed

Dismantling the water cooler and repairing the body by welding, brazing, riveting where required and making good of stand and bottom portion painting the body on external surfaces with one coat of synthetic paint over a coat of primer of same colour by machine spray and reassembling and installing in original position and testing complete all as directed

Cleaning all the parts, condensor unit and capillary tubes and checkng the leakage of gas with CO2 and brazing, rectifying the leakge, including charging the refrigerant gas to required pressure and weight fixing back to the original positon, testing comissioning complete for any make and any capacity of water cooler complete all as directed by

S & F in repairs Relay Assembly for 40/80 Ltrs capacity Water Coolers of any make complete all as directed

S & F in repairs Thermostatic Switch for 40/80 Ltrs capacity Water Coolers of any make complete all as directed

S & F in repairs Fan Motor Single phase, 230V for 40/80 Ltrs capacity Water Coolers of any make complete all as directed

S & F in repairs Fan motor blade of existing size and model for 40/80 Ltrs capacity Water Coolers of any make complete all as directed .

S & F in repairs Float valve 15 MM bore with brass spindle and PVC ball complete for 40/80 Ltrs capacity Water Coolers of any make complete all as directed Make- PRAYAG

S & F in repairs Push/lift tap 15 mm bore chromium plated for 40/80 Ltrs capacity Water Coolers of any make complete all as directed Make- JAISON

S & F in repairs Overload protector 1022/522, for 40/80 Ltrs capacity Water Coolers of any make complete all as directed

S & F in repairs Starting Capacitor 60/80 Mfd, for 40/80 Ltrs capacity Water Coolers of any make complete all as directed

S & F in repairs Running Capacitor, for 40/80 Ltrs capacity Water Coolers of any make complete all as directed

Removing of defective fan motor from water cooler rewinding of fan motor with same gauge and turns and weight of copper enameled wire and replacement of bearing and refixing, testing and commissioning of water coolers of any make complete all as directed

Taking out old burnt/unserviceable compressor unit of 40/60 Litre capacity water cooler and repalcing the same with factory reconditioned compressor unit including necessary nuts, bolts, mounting materials, welding, brazing, leak testing and charging the refrigerant gas, R-22 to the required pressure and weight, reinstalling in the same place including servicing, testing and commissioning complete to any make of water cooler all as directed

All as per Item Ser No 57 here-in-before but for 40/80 Litre Capacity water cooler.

All as per Item Ser No 57 here-in-before but for 120 Litre Capacity water cooler.

Dismantling the water cooler of 40/80 litres capacity of any make and removing the defective tank, leak testing, reparing the cooling tubes, fixing in its existing place complete all as directed.

S & F in drain tray and PVC flexible pipe and connecting to inlet pipe for 40/80 ltrs capacity of water cooler, including holding clamps complete all as directed

Servicing the water cooler of any make including cleaning the water tank, condensor and the side body by washing, rubbing down including removing all the dust, dirt complete all as directed

Dismantling of desert cooler of any size and make inlcuding cleaning water tank, body complete by disconnecting the connections, renewing of nuts, bolts and and reinstalling, testing complete all as directed

S & F in repairs Water circulation pump motor as per existing capacity complete for desert coolers of any make complete for capacity 3000/4000 CUM.

S & F in repairs Fan motor of desert cooler single phase, 215 Volts, AC, 50 Hz complete for desert coolers of any make complete for capacity 3000/4000 CUM.

S & F in repairs Fan blade of desert cooler Metallic/PVC as per existing model complete for desert coolers of any make complete for capacity 3000/4000 CUM.

S & F in repairs KHAS-KHAS grass (One set of three) as approved by Engr-in-charge, complete for desert coolers of any make complete for capacity 3000/4000 CUM.

S & F in repairs PVC water tube and distribution with 3 way PVC connection,PVC bends assembly complete, for desert coolers of any make complete for capacity 3000/4000 CUM.

S & F in repairs Caster wheels (Set of Four) complete, for desert coolers of any make complete for capacity 3000/4000 CUM.

S&F in repairs front grill of desert cooler of capacity 3000/4000 Cum of any make complete all as directed

S&F in repairs switch assembly for desert coolers of capacity 3000/4000 Cum of any make complete all as directed.

S&F in repairs Capacitor of 4/5 MFD capacity suitable for fan motor of desert coolers of capacity 3000/4000 CFM of any make complete all as directed.

M&L for wiring to desert coolers with PVC insulated multistranded, copper conductor single core of size 1.5 Sqmm including PVC clamps, brackets as required and connection, water pump, control switches including taking down old wiring complete all as directed.

Supply and fix in repairs connection wire of 3 core copper wire PVC insulated of size 4 Sqmm for any capacity window type/Split type AC, water coolers/desert coolers complete all as directed. Make- FINECAB/PLAZA/FINOLEX

S&F in repairs plug top 3 pin 5 Amps for desert cooler/water coolers/refrigerator complete all as directed.

S&F in repairs 3 pin industrial plug top suitable for industrial metal clad socket, single phase, 230 Volts, AC including reconnecting complete all as directed. Make- STANDARD/LEGRAND

S&F in repairs copper tube of size 3/8" / 5/8" dia includng necessary soldering, flaring and connecting and testing in between indoor to out door units of split type AC 1.5 Ton complete all as directed.

All as per Item No 77 here-in-before but size of copper tubing 1/2" / 1/4" dia complete all as directed.

S&F in repairs insulation felt for split type AC 1.5 / 2.0/3.0 Ton copper tube as in inlet/outlet to out door unit complete all as directed.

S & Fix in repairs remote control assembly set suitable for split type AC 1.5 / 2.0/3.0 Ton capacity of any make complete all as directed.

S&F in repairs Oscillation motor for the indoor unit of the split type AC of 1.5/2.0 Ton capacity complete all as directed.

Supply & charge repairs refrigerant gas R-22 upto required level complete all as directed.

S&F in repairs AC indoor unit oscillatory motor complete all as directed

S&F in repairs indoor blower motor for split type AC as per existing model, sample complete all as directed

S&F in repairs fan motor bearing and bush for window/split type AC complete all as directed

Taking down carefully existing serviceable split type AC unit of 1.5/2.0 TR capacity and refixing in another location in any position and height complete with all connected work like making holes, fixing mounting brackets and all other required accessories including making good the distrubed surfaces complete all as direcrted

S&F in repairs fan motor bearing and bush for water cooler complete all as directed

S&F in repairs capillary tube including strainer suitable for split type AC 1.5/2.0 TR capacity with necessary brazing, leak testing complete all as directed.

S&F in repairs voltage stabilizer single phase, 230 Volts, AC, 50 Hz of capacity 4 KVA wall mounting type suitable for 1.5 TR split type AC/ window type AC with low and high cut off and intelligent delay input voltage 160 Volts to 260 Volts complete all as directed.

All as per Item No-89 here-in-before but 5 KVA capacity voltage stabilizer complete all as directed. Make for Item Nos. 89 & 90 :- 'V' GUARD/ITL/BLUEBIRD/KENLIE

Repairing of stabilizer of 4KVA/5KVA capacity including rewiring of Transformer including major/minor spare parts complete all as directed.

Taking out unserviceable 1 Pole contactor from the split type AC and replacing the same with new contactor suitable for 240V, 50Hz coil complete all as directed.

Taking out unserviceable 2 Pole contactor from the split type AC and replacing the same with new contactor suitable for 240V, 50Hz coil complete all as directed.

S&F in repairs drain pipe for rectifying water leakage from AC units complete all as directed.

S&F Brass Valves (set of 2 Nos) suitable for split type AC of capacity 1.5/2TR as per existig type including necessary brazing and sealing the leakage, Leak testing , charging the Refrigerant gas up to required pressure including taking down the unserviceable brass valves complete all as directed. Note :- Gas charging will be measured and paid under relevant item of this schedule.

S&F in repairs wall mounting brackets made out of steel ( set of 02Nos) coated with anti corrosive paint suitable for mounting outdoor unit of Split AC up to 2.0 TR capacity including all provisions and making good to disturbed surface of wall

Descaling of condensers of AC plant of capacity 7.5 TR, cooling tower, pipes, pumps and circulating the acid with pump, drilling, brushing the tubes and replacing the gasket, neutralizing the surface of the tubes and assembling back including removing the air lock in the system complete all as directed.

All as per srl Item No. 98 here-in-before but for 15 to 25 TR capacity AC Plant

All as per srl Item No. 98 here-in-before but for 40 to 52 TR capacity AC plant

Evacuation of gas from each Chiller Unit of 7.5 TR package type System/central type AC plant and leak testing the system by giving the dry nitrogen by separating the low side /high side of the system and arresting the leaks including replacement of Teflon seating of all the refrigerant line, suction/discharge valves of compressor, gland package of all angle valves flaring off and charging complete all as directed. Note :- Gas shall be measured and paid separately under relevant items of this schedule.

All as per srl item No.101 here-in-before but for 25 to 52 TR AC Plant Chiller system.

All as per srl item No.101 here-in-before but for Air Cooled AC Plant of capacity 92 TR chiller system.

S&F in repairs 'V' belts of size A-28 to 53complete all as directed Make :- FENNER/ DUNLOP

S&F in repairs 'V' belts of size A-09478 & A-53 complete all as directed

S&F in repairs 'V' belts of size S-09468 & B -78, B -73 complete all as directed

S&F in repairs 'V' belts of size B-152 complete all as directed

Supply and charging in repairs of the Refrigerant Gas R-134A where ever required complete all as directed.

S & F in repairs new expansion Valve suitable for AC plant of capacity 7.5 TR complete all as directed.

S&F in repairs Overload relays of capacity 15 to 25 amps suitable for ML-1 contactor/MNX contactor, 3-pole power contactors including connecting & Testing complete all as directed.

All as per srl item No.110 here-in-before but for relay of 22 to 30 Amps capacity suitable for ML2 Contactor.

All as per srl item No.110 here-in-before but for relay of 32 to 40 Amps capacity suitable for ML 3 Contactor.

All as per srl item No.110 here-in-before but for Relay of 100 to 125 Amps capacity suitable for MNX 25 Contactor Make for item No. 110 to 113 :- L&T/ SEMENS /LEGRAND/ SCHNEIDER

S&F in repairs of 3 Pole, 415 volts 50Hz Power Contactors ML-1/1.5 MNX including Connecting & testing complete all as directed.

All as per serial item No.114 here-in-before but for ML2 Contactor.

All as per serial item No.114 here-in-before but for ML3 Contactor

All as per serial item No.114 here-in-before but for MNX 25 Contactor

All as per serial item No.114 here-in-before but for MNX 40 Contactor

All as per serial item No.114 here-in-before but for MNX 45 Contactor Make for item Nos. 114 to 119:- L&T/ SEMENS /LEGRAND/ SCHNEIDER

Cleaning of the evaporating coil (AHU coil) upto 15 TR capacity with cleaning Acid by forced feed method to remove the unwanted dust particles formed on the coil, cleaning of the filter, greasing to the AHU bearing of the structure, expansion valve etc and testing complete all as directed.

All as per item No.120 here-in-before but for 25 to 55 TR Capacity.

Cleaning of underground sump capacity of 10000 gallons, by completely removing the water, mud, sludge in sump, applying bleaching powder and scrapping with wire brushes in sump, and fill in cracks of sump with cement complete all as directed.

Cleaning the over head tank having three compartments of 10000 gallons capacity, by draining out the whole water from tank, remove mud, sludge by applying bleaching powder and scrapping with wire brushes in Tank, after cleaning filling the cracks with,M-Seal and cement, complete all as directed.

S & F in repairs pressure gauge assembly of size 60mm to 100mm dia bourdon type/existing type and testing and commissioning complete all as directed

All as per srl item No.124 here-in-before but of 150mm dia. Make for item No. 124 & 125:-GURU/UDAYA

S&F in repairs fins of existing size & model to cooling tower complete all as directed.

S&F in repairs condenser safety valve 15mm to 20mm, with stand pressure 300-800 PSI complete all as directed.

S&F in repairs in Liquid line Filter Dryer suitable for 7.5 to 15 TR capacity Compressor unit complete all as directed.

All as per item No.128 here-in-before but for 25 to 52 TR capacity Compressor unit complete all as directed.

Disconnecting Electrical connections of 75 HP motor installed at PM plant in DMRL and carryout servicing by replacing unserviceable minor spares like Bearings, Nuts, washers, Bolts, etc., and providing insulation to winding coils i.e.applying greasing to all movable parts, scrapping and paiting with enamel paint and reassembling back in its original position to make it functional complete all as directed. Make:- KIRLOSKAR, Model :- 5-70

supplying and filling in repairs of compressor oil of Freezol-68/ freezol F-57 complete all as directed.

Cleaning of the AHU units with acid and cleaning fins with high pressure air blower for AC plant's each AHU unit up to 95 TR complete all as directed.

Supply & Fix in repairs overload relay suitable for power Contactor MNX type of capacity 0-60 Amps complete all as directed Make : L&T or it's equivalent.

S&F in repairs ON/OFF Timer 0-120 Seconds suitable for power contactor MNX type complete all as directed Make : L&T or it's equivalent.

S&F in repairs Copper Cable single Core, PVC insulated, multistranded 35 Sqmm with suitable size lugs on both side.

Servicing of all grills installed at PM Plant,DMRL by water wash/Air wash to provide proper cooling inside the process area complete all as directed.

Dismantling the 3HP to 5HP capacity Motor of condenser / Blower/ Pump / Chiller/ AHU / Cooling Tower Motor from installed position, and rewinding the same with super enamelled copper wire of same gauge and turns as per existing, replacement of wornout Bearings fixing back, testing and commissioning complete all as directed. Note : Transportation charges also included in quoted rate

All as per serial item No. 137 here-in-before but for 7.5 HP to 10 HP capacity

All as per serial item No. 137 here-in-before but for 20 HP to 25 HP capacity

Supply & laying MS pipe 125 to 150 mm dia medium grade, including providing Specials, Flanges, Elbows, Tees, Unions, Nipples, Nuts & Bolts, Gasket etc wherever necessary as per site requirement by necessary Fabrication / Fixing etc., and painting to match with the existing including taking down old pipes complete all as directed. Make:-TATA/JINDAL/ZENITH

All as per item No.140 here-in-before but for 80 to 100 mm dia MS Pipe.

S&F in repairs butterfly valve of size 50mm/ 65mm with necessary fabrication work required as per site requirement complete all directed.

All as per item No.142 here-in-before but of size 80mm complete all directed.

All as per item No.142 here-in-before but of size 100mm complete all directed. Make for item No. 142 to 144 :- KARTAR/ COIMBATOUR/ KALBANA/ DURGA/ AUDCO

S&F in repairs of freezing temparature sensor with under voltage 180 to 234 volts and over voltage 246 to 300 volts AC, complete all as directed.

Supply & charge refrigerant gas R-410 upto required level complete all as directed.

Disconnecting Electrical connections & Dismantling of 75 HP motor at DMRL rewinding providing insulation to winding coils i.e.applying insulating varnish and reassembling back in its original position to make it functional complete all as directed by Engr-in-charge.

S&F in replacement of PCB control card with display for Split/Window AC of any capacity/any make any type complete all as specified and directed

S&F in replacement of PCB control card with displayfor Split/Window AC invertor type of any capacity/any make any type complete all as specified and directed

S&F in replacement impeller of pump of existing make and size suitable for 5.0 to 12.5 HP motor invertor type of any capacity/any make any type complete all as specified and directed

S&F cooling tower sprinklars in replacement for cooling tower any make and size as per existing shape/size and qty and all other fittings , pipes complete all as specified and directed

M&L for shifting of existing cooling tower of any shape,size and make to another location with alteration/ addition of existing plith, electic and water connections and make it funtional by servicing of Motor and replacement of UNSV fins, sprinker,and pipe alongwith required fittings complete all as specified and directed.

M&L for replacment thermostatic expension valve check valve for AC plant TX6-H17, MOP +15oC , 801592K0039 woring on R22 or any gas complete all as specified and directed

EXELLENT POWER CORPORATION

vvcenterprises

CHITRA ENGINEERING CORPORATION

c devender reddy and co

SHANTI MARKETING AND SERVICES