COMPREHENSIVE MAINTINANCE AND OPERATION ON NEWLY INSTALLED AC PLANT OF TTCLE AND MLH NAGER AT AF STN CHAKERI KANPUR

Amount

Manning & Operation Provisioning of resources for management 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 tightning 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 sailent features in theses checklists are as follows complete all as specified and as directed. (a) starting and stopping of the plant as per requirment 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 & sorrounding area neat & clean.

Provisioning of resources for management of central AC plant of 3x78 TR capacity at MLH 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 as per working hours mentioned below 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 tightning 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 sailent features in theses checklists are as follows complete all as specified and as directed. (a) starting and stopping of the plant as per requirment 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 & sorrounding area neat & clean. (k) Working hours: (i) From 0630 Hrs to 1700 hrs on every Monday of week. (ii) From 0630 hrs to 1430 hrs on Tuesday to Friday. (iii) Saturday, Sunday & gazetted holiday no operation. 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 be employed only ITI holder in the specific trade (ix) The operator deployed shall be in uniform indicating the name of individual and firm.

Comprehensive Maint Quaterly inspection & servicing of the complete central AC plant of capacity 3x100 TR at TTCLE Front details as per Appx 'A; onlgwith 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 schdule 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 leaks and rectification of leaks if found. (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 if found necessary. (Once a year) however descaling compound will be provided on chargeable basis. (vii). Checking the functioning of compressor and its accessories. (viii). Cleaning the evaporator once a year if found necessary. (ix). Lubricating the bearings of motors, fans when found necessary. (x). Quarterly inspection of belts adjusting the tension.

3. Contd) (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 only. Contractor has to submit necessary AMC documents to Engr-in-Charge within 15 days of acceptance of tender on account of non-submission of necessary documents of AMC with OEM within 15 days of acceptance, 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 relevent items based on thier consumption on ground

All as per item No 3 above but 3x100 TR at TTCLE Rear details as per Appx 'B' in tender documents complete all as specified and directed.

All as per item No 3 above but 3x80 TR at MLH details as per Appx 'C' in tender documents complete all as specified and directed.

Repair & updation of softwares for PLC controller (MCS-MAGNUM-OEM) of AC chiller complete all as specified and directed.

Supply and Fix in replacement of temp sensor (CODE# MCS-T100-20) complete all as specified and directed.

Supply and Fix in replacement of pressure sensor (CODE#T1-200F) complete all as specified and directed.

Supply and Fix in replacement of electronic expansion valve driver complete all as specified and directed.

Supply and Fix in replacement of expainsion valve ETS2508 15/8"x15/8" (034G2602) complete all as specified and directed.

Supply and charging of refrigerant gas R-134a in company sealed cylinder after making system leakproof 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 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 jet pump oil ejector HPMP102 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 and Fix in replacement of CT 250A/5A as per sample complete all as specified and directed.

Supply and Fix in replacement of CT 500A/5A as per sample complete all as specified and directed.

Supply, filling / topup of compressor oil Sheetal N-68 / Super freeze F-68 of Bharat Petroleum / Hindustan Petroleum / Indian Oil incl. Cleaning of oil chamber of AC Plant complete all as specified and directed.

Rewinding of electric motor (Burnt stator) of any make & type of pump or blower motor or CT fan motor with suitable guage of super enameled copper conductor including winding with fibre cloth/PVC insulated winding paper, superior quality varinshing, servicing of ball bearing, suitable main connections from coil to terminal box. M&L for disconnecting US burnt motor from the pump, transporting to workshopand opening of motor, cutting/removing old burnt winding coils, cleaning/filing the starter slots, necessary mechinical works for shaft/bearing housing, preparing and inserting coils running/starting winding, interconnecting, fixing, soldering, jointing, heating, drying up coils, connection at site, to and from transportation, testing at site, replacing new connection terminal plate of following sizes satisfactorily running complete all as specified and directed. Electric induction motor upto 10kW 15KW

`-ditto- all as per item No 26 above but Electric induction motor upto 15 KW to 20 KW complete all as specified and directed.

Repair and Maintenence of Centrifugal / Monoblock pump sets of following capacities installed at various AC plants by opening, checking for faults, filling of new graphite gland packing, fixing and replacement of unservicable parts and reassembling after repair and testing complete of following capacities of pumps sets complete all as specified and directed. Note :-cost of replacement of spare if any such as impeller , bearing & bush is deemed to be included in quoted rates. Pump of capacity upto 250 to 300 USGPM

`-ditto- all as per item No 28 above but Pump of capacity 400 to 450 USGPM complete all as specified and directed.

Supply and Fix in replacement strip heater of capacity 3 KW , AC single phase heater bank 36 KW for winter heating complete all as specified and directed..

Supply and fix in replacement of V belt B 67 suiteable for AHU complete all as specified and directed. Make :- Micro/Navyug/Omfa rubbers Pvt Ltd/FENNER

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

M&L for taking out all old unserviceable eliminator from cooling tower of capacity upto 200 TR & Supply & Fix in replacement of eliminator of cooling tower upto 200 TR complete all as specified and directed.

M&L for taking out all old unserviceable PVC fills from cooling tower of capacity upto 200 TR & supplying & replacing new PVC fills in replacement complete into the cooling tower, complete all as specified & directed by Engr-in- Charge.

M&L for taking out all old unserviceable control power contractor & Supply & fix in replacement AC Control Power Contactor (220V-AC Coil Voltage) - LC1D12 complete all as specified and directed. Make :- Schneider or equivalent as approved by the accepting officer.

M&L for taking out all old unserviceable Auxalary Contacts & Supply & fix Auxalary Contacts A-3 415V 50 Hz - 3TS34 00-0A… 8K complete all as specified and directed. Make :- Seimens or equivalent as approved by the accepting officer.

Supply only On/Off RYB LED indicator lamp complete all as specified and directed.

Shree Ayyappa Engineering