COMPREHENSIVE MAINTENANCE AND OPERATION OF NEWLY INSTALLED AC PLANT OF TTCLE AND MLH HANGER AND OTHER LOCATIONS AT AFS CHAKERI KANPUR

Amount

Maintenance & operation of central AC plant of 3x100 TR capacity at TTCLE Front & 3x100 TR capacity at TTCLE Rear having compressors with its connected items such as condensers/chillers, water circulating pumps, chilling pumps, blowers, blower motor, cooling tower with fan and motor including connected starters etc in all respect for smooth running of AC plants during the running period to maintain designed Air conditioning/chilled water temperature inside the building/ block from 06:00 hrs to 22:00 hrs (Two shift of 08 hours) every day except holidays and Sundays as observed by the air force authority and cleaning of all equipments and sweeping inside and outside of the installation and maintaining of log sheet on daily basis. The minor repair such as tightening of pump gland, filling of new gland with nut bolts and electrical complaints of motor pump and panel and starter will be attended and rectified by the contractor without any extra cost for smooth function of plant inspecting the plant/system and carrying out operation of plant, as a part of day to day operation and in accordance with relevant PM checklists and as per schedules that will be prepared upon activation of contract. The salient features in theses checklists are as follows complete all as specified and as directed. (a) starting and stopping of the plant as per requirement of the user. (b) Checking the water level in the cooling tower. (c) Recording the plant operational parameters including pump pressures and motor amps in the log sheet. (d) Checking the central AC or refrigeration system and equipment such as compressor, motors, pumps, cooling towers and their electrical controls on the respective equipment. (e) Checking the refrigeration system for any leakage. (f) Checking the electrical and refrigeration control system for operation and adjustments of set values as necessary. (g) Lubrication of all necessary points in the system & its components in line with the checklist. (h) Weekly cleaning of AHU filters. (j) Maintaining of central AC plant installation & surrounding area neat & clean.

All as per item No 1 above but capacity 3x78 TR at MLH Bldg. Note for Srl Item No. 1 to 2:- (i) Cleaning of all AC plants, machinery and inside and outside location is the responsibility of contractor. (ii) If any operator found absent from duty Rs. 1500/- per day will be recovered from the contractor. (iii) If the contractor failed to commence the work on due date Rs. 2000/- per installation per day will be recovered from the contractor till commencement of the work. (iv) Contractor will provide police verification of all operator before commencement of work. (v) If the contractor failed to provide duty roaster duly affixed photograph of operator in original before commencement of every month duty Rs. 500/- per day per installation will be recovered from the contractor. (vi) Before commencement of work contractor will provide all documents such as educational qualification, ID proof of operator in duplicate otherwise Rs. 100/- per day will be recovered from the contractor. (vii) Contractor will be maintain Attendance Register, Visitor register, maintenance record register, daily log sheet, operator payment register and produce every month to the Engineer-in- Charge. (viii) The contractor should employ only ITI holder in the specific trade (ix) The operator deployed shall be in uniform indicating the name of individual and firm.

Quarterly inspection & servicing of the Voltas make chiller unit Model No -ACEGWFXR1001MLB2S - 06 Nos installed at TTCLE hanger Front & rear Annexe alonlgwith all equipment, electric connections to inspect the operation of plant by the rep of OEM and carrying out preventive maintenance as per standard practice. Replacement of defective component / equipment under the respective item of schedule complete all as specified & directed by Engr-in-charge. to maintain & keep the central AC plant functional regularly. (i). Inspecting the plant/ system and carry out preventive as per the standard practice four times in a year or as required. (ii). Checking the refrigeration system, motor and starters and ensuring healthy condition of the plant. (iii). Checking the system for any leakage and rectification of leakage by holding nitrogen gas for 24 hours into the closed system complete. (iv). Taking set of readings and reporting the healthiness of the plant and suggesting improvements if any. (v). Checking the Refrigeration control system for operation and adjusting the settings. (vi). De scaling the condensers for water-cooled units. (Once a year) (vii). Checking the functioning of compressor and its accessories. (viii). Cleaning the evaporator once a year. (ix). Lubricating the bearings of motors, fans when found necessary. (x). Quarterly inspection of belts adjusting the tension. (xi). Checking of the microprocessor controller for its proper functioning with all sensors. (xii). Attending to breakdown calls. (xiii). Labour involving evacuation of refrigerant during replacement of controls and replacement of compressor. (xiv). Carrying out- once in a year, testing of lubricant and water (chilled water system and water condensing systems only) samples. Note: 1: The inspection & servicing shall be carried out by OEM ( Voltas/Blue Star) only. Contractor has to submit necessary AMC documents alongwith performance security. On account of non-submission of necessary documents of AMC with OEM (Voltas/Blue Star) within specified period, The contract is liable to be cancelled. 2. The rates quoted shall also include the attending of emergency breakdowns in AC plants. If such emergency breakdowns are not attended in time, following compensation shall be levied from the contractor's dues: a) Attending breakdown within 72 hours - Rs Nils b) Attending breakdown within 3 to 7 days - Rs 10000 per breakdown. c) Attending breakdown after 7 days - Rs 25000 per breakdown. 3. Spare parts required shall be measured & paid separately under relevant items based on their consumption on ground.

All as per item No 3 above but Voltas Make Chiller unit Model No -ACEGWFXR0801MLB2S -03 Nos at MLH complete all as specified and directed.

All as per item No 3 above but Voltas Make Chiller unit Model No - ACWCDS064DPMN3X1-03 Nos at Module - 2 complete all as specified and directed.

All as per item No 3 above but Blue Star Make Chiller unit Model No -XWC3S-039AR2 -03 Nos at H No-08 Plasma complete all as specified and directed.

All as per item No 3 above but Blue Star Make Chiller unit Model No -XWC2YS-070AR3 -02 Nos at M-53 old IRS complete all as specified and directed.

All as per item No 3 above but Blue Star Make Chiller unit Model No -XWC3S-042AR2 -02 Nos at M-53 old IRS complete all as specified and directed.

All as per item No 3 above but Blue Star Make Chiller unit Model No -XWC2S-026AR2 -02 Nos at E& IRS complete all as specified and directed.

Complete maintenance & overhauling of water softening plant of Make Thermax DMF Model No EZ60FM(MS) & softener Model EZ40(MS) installed at various location at Air Force stn. (i) Disconnecting existing water connection, remove old waste resin, sand & supporting media from the water softener plant. Clean the entire vassel from inside and outside with suitable cleaning agent. (ii) Scrapping of old existing paint, rust & salt formation from external & internal body of plant and preparing the surface for painting. (iii) Spray painting of internal body of plant with one coat of black bituminous paint (iv) Spray painting of external body of plant with two coats of synthetic enamel gray paint of superior quality and one coat red oxide primer complete all as specified and directed by Engr-in-Charge. (v) Replacement of relevant item will be measured and paid as under the respective item of schedule as under :- (a) Filter Sand for DMF - Approx 150 Kg and as per requirement of equipment. (b) Supporting media - Approx 200 Kg and as per requirement of equipment. (c) Anthracite - Approx 50 Kg and as per requirement of equipment. (d) Resin as per sample for Softener : Approx 200 Ltr and as per requirement of equipment. (vi) Testing & commissioning of water softening plant after maintenance complete up to entire satisfaction of AGE/GE.

Repair & updation of softwares for PLC controller (MCS-MAGNUM-OEM) of AC chiller Model No. ACEGWFXR1001MLB2S complete all as specified and directed.

Supply and Fix in replacement of temp sensor (CODE# MCS-T100-20) of AC chiller Model No. ACEGWFXR1001MLB2S complete all as specified and directed.

Supply and Fix in replacement of pressure sensor (CODE#T1-200F) of AC chiller Model No. ACEGWFXR1001MLB2S complete all as specified and directed.

Supply and Fix in replacement of electronic expansion valve driver of AC chiller Model No. ACEGWFXR1001MLB2S complete all as specified and directed.

Supply and Fix in replacement of expansion valve ETS2508 15/8"x15/8" (034G2602) of AC chiller Model No. ACEGWFXR1001MLB2S complete all as specified and directed.

Supply and charging of refrigerant gas R-134a in company sealed cylinder after making system leak proof make mafron/Freon/Refron. Note: Empty cylinder shall be returned to the contractor only after complete consumption of gas without any extra cost to the contractor complete all as specified and directed.

Supply and charging of refrigerant gas R-407c in company sealed cylinder after making system leak proof make mafron/Freon/Refron. Note: Empty cylinder shall be returned to the contractor only after complete consumption of gas without any extra cost to the contractorcomplete all as specified and directed.

Supply and Fix in replacement of pressure difference switch RT262A (017D002566) complete all as specified and directed.

Supply and Fix in replacement of pressure release valve 1/2" BOT 250 PSI SANLAN complete all as specified and directed.

Supply and Fix in replacement of filter drier 3/8" DML83S (023Z5058) complete all as specified and directed .

Supply and Fix in replacement of dry filter 1/2" DCL304S complete all as specified and directed.

Supply and Fix in replacement of solenoid valve with coil 10W, 230V 018F6251 complete all as specified and directed.

Supply and Fix in replacement of optical oil level switch module RE420A TO RE920A complete all as specified and directed.

Supply and Fix in replacement of motor protector RE820A AND RE920A complete all as specified and directed.

Supply and Fix in replacement of oil filter RC2-/550 as per sample complete all as specified and directed.

Supply and Fix in replacement of outer gasket- oil filter RE-550 as per sample complete all as specified and directed.

Supply and Fix in replacement of voltage protection relay 3 phase 415 V AC as per sample complete all as specified and directed.

Supply, filling / top up of compressor oil SOLEST-120 suitable for Voltas AC plant of any cap incl. Cleaning of oil chamber of AC Plant complete all as specified and directed.

M & L for taking out all old US sprinkle hub assy with blade & Supply & Fix in replacement of metal casting sprinkler hub assy with blade for cooling tower of cap up to 200 TR complete all as specified and directed.

Supply and Fixing of Discharge Pressure switch as per existing make and model complete all as specified and as directed.

Supply and Fixing of Suction pressure switch as per existing make and model complete all as specified and directed.

Supply and Fixing of Discharge Pressure transducer as per existing make and model complete all as specified and directed.

Supply and Fixing of Suction Pressure transducer as per existing make and model complete all as specified and directed.

Supply and Fix in replacement of Filter drier as per existing make and model complete all as specified and directed.

Supply and Fix in replacement of Thermostatic expansion valve driver as per existing make and model complete all as specified and directed.

Supply and Fix in replacement of Solenoid valve with coil 10W, 230 V as per existing make and model complete all as specified and directed.

Supply and Fix in replacement of Crankcase heater SM 185-75W complete all as specified and as directed.

Supply and Fix in replacement of Temp Sensor as per existing make and model complete all as specified and directed.

Supply and Fix in replacementPressure release valve as per existing make and model complete all as specified and directed.

Supply and Fix in replacement of Flow Switch as per existing make and model complete all as specified and directed.

Supply and Fix in replacement butterfly valve of 100mm dia, cast iron body, wafer type integrally molded close and body construction with hand lever operated and rating of PN - 10 with thermal insulation as per requirement of chilled water line. Make: Advance/Castle/Intervalve/SAAPL

Supply and Fix in replacement butterfly valve of 150mm dia, cast iron body, wafer type integrally molded close and body construction with hand lever operated and rating of PN - 10 with thermal insulation as per requirement of chilled water line complete all as specified and directed. Make: Advance/Castle/Intervalve/SAAPL

Rewinding of electric motor (Burnt stator) of any make & type of pump or blower motor or CT fan motor with suitable gauge of super enameled copper conductor including winding with fiber cloth/PVC insulated winding paper, superior quality varnishing, servicing of ball bearing, suitable main connections from coil to terminal box. M&L for disconnecting US burnt motor from the pump, transporting to workshop and opening of motor, cutting/removing old burnt winding coils, cleaning/filing the stator slots, necessary mechanical works for shaft/bearing housing, preparing and inserting coils running/starting winding, interconnecting, fixing, soldering, jointing, heating, drying up coils and transporting from workshop to site, connection at site, testing at site, replacing new connection terminal plate of following sizes satisfactorily running complete all as specified and directed. Electric induction motor capacity from 7.5 HP to 10 HP

ditto- all as per item No. 43 above but electric induction motor capacity from 15 HP to 25 HP.

Repair and maintenance of centrifugal/ monoblock pump sets of following capacities installed at various AC plants by opening, checking for faults, repair/ replacement of mechanical seal, fixing and replacement of unserviceable parts and reassembling after repair and testing complete of following capacities of pumps sets complete all as directed by Engr-in-Charge. Note : Cost of replacement of spare if any such as mechanical seal, impeller, bearing and bush is deemed to be included in quoted rates. Pump of capacity from 250 to 300 USGPM.

ditto- all as per item No. 45 above but pump of capacity 400 to 450 USGPM

Supply and fix in replacement of V belt suitable for AHU Make: Micro/Navyug/Omfarubbers Pvt. Ltd/FENNER

Servicing of cooling coils and air filter of AHUs installed at air conditioning plant by removing air filters and fixing back after cleaning with air blower, water and cleaning agent, cleaning of cooling coil with wire brush and air blower and water spray pump after spraying scale gun AL or equivalent chemical suitable for aluminum fins and straightening the fins of cooling coil using suitable brush, cleaning of bottom tray, drain pipe complete one coat of painting with synthetic enamel paint after rubbing of existing surface and applying one coat of primer inside and outside complete all as specified and directed by Engr-in-Charge for capacity 10000-20000 CFM.

ditto- all as per item No 48 above but of capacity 20000-30000 CFM

ditto- all as per item No 48 above but of capacity 30000-42000 CFM

Supply & Fix in replacement gun metal gate or globe valve of 15 mm dia with iron wheel head screwed both ends for iron pipes incl dismantling of existing UNSV gate valve.

Supply & Fix in replacement gun metal gate or globe valve of 25 mm dia with iron wheel head screwed both ends for iron pipes incl dismantling of existing UNSV gate valve complete all as specified and directed.

S & F in replacement of 15 mm dia ball brass valve, high pressure, with polythene float and fly nuts complete, screw for iron pipe or brass ferrule and mixed complete all as specified and directed.

S & F in replacement of 25 mm dia ball brass valve, high pressure, with polythene float and fly nuts complete, screw for iron pipe or brass ferrule and mixed complete all as specified and directed.

Supply and lying in trenches/wall galvanized steel water tubes medium grade of size 15mm dia with all galvanized fittings complete all as specified and directed.

ditto- all as per item No. 55 but for size 25 mm dia.

Repair and Maintenance of LT/ AHU panel board by taking shut down, removing of carbon particles, rubbing of heated portion of bus bar and cleaning complete by means of CRC - 226/ Petrol tightening of all joints in bus bar, checking of earth and neutral voltage and make a record, replacement of u/s nuts/ bolts/washers including replacement of corroded glands, lugs/thimbles and tightening them properly complete all as specified and directed. Note: Replacement of major items like contractor, MCCB, rotary handle, MCB, MPCB single phase preventer, Timer etc of same model and Make shall be measured and paid separately under relevant items.

Supply only AC Control Power Contractor (220V-AC Coil Voltage) - Model LC1D12 with Auxiliary contacts 1 NO + 1 NC complete all as specified and directed. Make : Schneider or equivalent as approved by the accepting officer.

Supply only Air break (Power) contactor AC-3, 32A, 415V 50 Hz -3TS34 00-0AP00-8K with 1NO/1NC Auxiliary contacts complete all as specified and directed. Make: Siemens or equivalent as approved by the accepting officer.

Supply only front handle operated MCCB with disconnector unit complete 3 phase 415 volts capacity 250Amps, 36 KA Model 3VT2 complete all as specified and directed. Make: Siemens/L&T/Legrand/HPL

Supply only panel door mounted rotary operating handles suitable for 3VT2 model MCCB make Siemens complete all as specified and directed. Make: Siemens/L&T/Legrand

Supply only MCB TPN-63 Amps 25 KA 415 Volts.

Supply only MCB SP-6-10 Amps 10 KA 220 Volts.

Supply only MPCB of 20-25 A Make Schneider Model No GV2P22

S&F in replacement of single phase preventer relay complete all as specified and directed.

S&F in replacement of electronic timer complete all as specified and directed.

Taking out old unserviceable aluminium clading & M&L for aluminium cladding of insulated duct using 0.5mm thick aluminium sheet and make good to the existing insulation complete all as specified and directed.

BRITE INDUSTRIES

Avion Industries

JASPREET SINGH COOLING CORP.

ENVIRO TECH SERVICES

COOLING CENTRE