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| 1 | Material & Labour for dismantling of side covers of shell and tube type chiller condensor and circulate descaling chemical compound with the help of pressure pump upto 2 hrs and cleaning with nylon brushes and necessary T&Ps and flushing out with fresh water and refixing of condensor side covers with proper gaskets (to be replaced if found damaged) upto capacity 10 TR to 20 TR complete all as directed . |
| 2 | Material & Labour for dismantling of side covers of shell and tube type chiller condensor and circulate descaling chemical compound with the help of pressure pump upto 2 hrs and cleaning with nylon brushes and necessary T&Ps and flushing out with fresh water and refixing of condensor side covers with proper gaskets (to be replaced if found damaged) of capacity above 21 TR to 50 TR complete all as directed. |
| 3 | Material & Labour for dismantling of side covers of shell and tube type chiller condensor and circulate descaling chemical compound with the help of pressure pump upto 2 hrs and cleaning with nylon brushes and necessary T&Ps and flushing out with fresh water and refixing of condensor side covers with proper gaskets (to be replaced if found damaged) of capacity above 51 TR to 150 TR complete all as directed. |
| 4 | M & L for Monthly servicing including taking out complete air filters from AHU carefully and cleaning, removing dust by using pressure water, greasing shaft and bearings, alignment of blower motor, tightening of blower V belt and refixing filters after dryingall as specified and directed. Note :- Replacement of Air Filter shall be resposibility of contractor if damage occure while removing or refixing. |
| 5 | M & L for Monthlyservicing of cooling tower including washing of PVC fills by using mild detergent,clearing bottom tank to remove mud & dust and cleaning of pot strainer after removing the strainer from pot including removal and refixing of nut & bolts of various capacity if required at site allup to 240 TR capacity AC Plant all as specified and directed. |
| 6 | M&L forattending day to day complaints pertains to various Central AC plant of any capacity as and when required by Ref-Mech and helper, with neccessary T&Pfor checking the equipment at existing location,find out the faults to the equipments,complete andrectification of minor problems (sensor error, compressor microprocessor control panel troubleshooting and resetting, oil/ suction/ discharge pressure checking) to make the plant functional in all respect all as directed.Note : 1. The work covered under S.No 1 to 3 shall be carried out once in 6 Months2.Works covered under item No 1 to 5 of Sch Ashall be excecuted at all AC plants installed at various locations inside the Naval Base and schedule for servicing may be obtained from MES at the time of execution.3. The item No 6 shall be operated for attending the minor running problems of AC plants under all the area in Naval Base and if any major replacement of spares required shall be intimated to this department. |
| 7 | Material and labour for leak testing of central AC plant of capacity upto 120 TR including flushing out old moisturised gas and oil and pressuring with nitrogen gas and kept for 24 hrs as per OEM specifications, vaccumising nitrogen and refilling of refrigent gas complete all as specified and as directed. Note :-1.Nitrogen and refrigent gas will be measured and paid seperately under relevant contract.2.Empty cylinder will returned to contractor after usage |
| 8 | M& L for painting of central AC plant cooling towerwith two coats of synthetic enamelspray paint of existing colour paint after preparation of existing surface upto 100 TRcapacity including marking the details of cooling towers all as specified and as directed by EIC. |
| 9 | M& L for painting of central AC plant 3 x upto 75 TRfor Three chilling units i.e including of compressors,condensers, pumps and motorsframes, panel board complete including chiller and condensing water pipe lines (appx length - 30 mtr) with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of eachunit and marking SM/ MES numbers etc all as specified and directed. |
| 10 | Supply and Fixing in repair CI \"Y\" strainer of size 50 mm diain condensing/chilledwater line completedia including modification of pipe line for fixing the strainerand replacement of flanges and nuts & bolts, packing etc all as specified and directed. Make:Advance/Leader/Castlers/Sant |
| 11 | Same all as per item No 10 but of size 65 mm dia |
| 12 | Same all as per item No 10 but of size 80 mm dia |
| 13 | Same all as per item No 10but of size 100 mm dia |
| 14 | Same all as per item No 10but of size 125 mm dia |
| 15 | Supply and fix in repair CI butterfly valve full open with operating handle of size 50 mm dia including replacement of old nuts & bolts, packings modification of flanges if necessery and all as per specified and directed.Make:Advance/Leader/Castlers/Sant |
| 16 | Same all as per item No 15 but of size 65 mm dia |
| 17 | Same all as per item No 15but of size 80 mm dia |
| 18 | Same all as per item No 15but of size 100 mm dia |
| 19 | Same all as per item No 15but of size 125 mm dia |
| 20 | Taking down corroded GI pipe line and replace with GI tubing 65 mm dia medium grade including welding, connecting and paintingtwo coat of synthetic enamel paint all as specified and directed. |
| 21 | Same all as per item No 20 but of size 80 mm dia |
| 22 | Same all as per item No 20 but of size 100 mm dia |
| 23 | Same all as per item No 20 but of size 125 mm dia |
| 24 | Supply and fixing inreplacement of temperature gaugesfor existing pipe lines of central AC plants as per suitable size and model complete all as specified and directed |
| 25 | Supply and fixing inreplacement of analouge pressure gauge for existing pipe lines and plants as per suitable (dia) size and model including MS bend pipe upto gauge where required at site complete all as specified and directed. |
| 26 | Supply , fabrication and erection in replacement of GI sheet with TDF flange rectangular/square ductof size 24 Gauge made out of \"L\" shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt,Gasket and appropriate sealant on longitudinal joints etc complete complete all as specified and directed. |
| 27 | Same all as per item No 26 above but duct size 22 Gauge |
| 28 | Same all as per item No 26 above but duct size 20 Gauge |
| 29 | Comprehensive maintenance and routine check up of the chiller unit, Model No: XWC2YVS-052AR3 of capacity (2 x 51.10 TR Working + 1 x 51.10 TR stand by) water cooled Chilling unit installed at NIAT (P8I simulator) on monthly basis, comprising of the following (Higher side of AC plant),Make: Blue Star hermetic scroll compressor Two fixed and one inverter type in one unit using R- 410 A refrigerent, flooded type shell and tube evaporator shell and tube condenser, microprocessor based control panel,star delta/electronic starter with control microprocessorto maintain desired temperature. |
| 30 | PreventiveMaintenace scope of work:-i) To visit & check the operating parameters of the chillers every quarter / month as per OEM schedules.ii) To review the previous months operating log records and alarm history.iii) To inspect the unit for any unusual vibration, noise etc.iv) To check for a sign of refrigerant leakage and rectifying the same.v) To check the operation of the expansion valves, once a year.vi) To check the proper functioning of microprocessor and take control test.vii) To check / calibrate the flow switch for proper functioning and replace if found defective.viii) To check the antifreeze and carrying out the setting of the same.ix) To check the LP / HP cut out switches and to replace the same, if found defective.x) All the breakdowns including the compressor failure, if any shall be attended and rectified. xi)Check the main electrical paneland replace burned/ defectiveitems such as mccb, mcb, fuses any type digital meters cable legs short pieces of cables etc.xii) Rewinding of the compressor motor, if required.xiii) Testing, arresting and repairing of the leakages including charging of gas/oil topup (cost of nitrogen,refrigerent gas, oil etcincluded in the quoted rate )xiv) To attend to the complaints as and when called for.xv) To provide any spare covered under the scope ofAC plant. |
| 31 | A. ANNUAL MAINTENANCE OF CHILLERCONDENSER TUBE( Once in contract period) (i) Cleaning of shell and tubecondenser and chiller capacity 3 x 51.10 TR by chemical and mechanical process usingbrush after opening with sides of condensers and chillers brushing and reconnectingwith suitable size of packing /gasket in same position including leak testing as per requirements and quoted rate included refixing of removed thermal insulationwith new nitrile rubber / Gasket sheet complete all as specified and as directed.1. To replace internal oil filters, as & when required during the contract period.2. To replace refrigerant driers, as & when required during the contract period.3. To inspect the oil quality by color and replace/top up as per requirement.4. To operate the machines for 08 hours (Maximum) and adjust the controls for the optimum operation. |
| 32 | Note :- 1. The comprehensive maintenance and complete allied works shall be done through OEMagency i.e Blue star Ltd. The Contractor shall enter into a MOU (Memorandum of understanding) for Comprehensive maintenance contract with the OEM agency for the complete Higher side Machineries of the AC Plant.2. The above comprehensive AMC certificate shall be provided by the contractor in favour of GE(NS) kochi before commencement of work, after acceptance of CA3.The higher side of AC plant defects shall be get checked by OEM (Blue star airconditioning and Refrigeration Ltd)and made serviceable in case of any defects observed during the routine check up or on call during emergency breakdown includingreplacement ofall spares ,Leak detection ,pressure testing with nitrogen ,vacuumising, compressor oil and gas charging, and testing if required complete all as specified and directed.4. The quoted rate including replacement/repairof any kind of spares labour cost for replacement of defective spares of chiller units 5. Any complaints shall be attendedwithin 24 Hrs the same day of complaintlodged by MES authority or user 6. A penalty of Rs 3000/- per day will be deducted on failure of attending complaints within 24 hours7. Consumable items which are required at site by OEM like refrigerent gas, filters/driers,compressor oil etc required for chiller as per OEM recommendation is to be included and the rate for the same deemed to include in the above quoted rate. 8. The contractor has to submit no dues certificate from the OEM completion of work. |
| 33 | Comprehensive maintenance and routine check up of following Lower side AC equipments components on monthly basis/as per requirement to ensure the working of all machineries without breakdown, with all materials and labour for smooth functioning of plants complete all as specified and as directed.:-(i) Chilled water pump 3 HP Kirloskar KDI318++ (2 Working & 1 Standby) (ii) Condenser water pump 3 HP Kirloskar KDI318++ (2 Working & 1 Standby) (iii) Induced Draft type 100 TR, Cooling tower of FRP - 2 Nos ( 1 No working and 01 No standby)complete with all accessories, basin, fittings, fan motor etc complete(iv) Air Handling Units of following capacity 60 CFM - 1 Nos and 30 CFM - 1 Nos, including replacement/repair of defective electrical accessories of AHU, Belts, electric motors, blower units, cooling coils,dampers etc:- |
| 34 | MONTHLYPREVENTIVE WORKS FOR CONDENSER PUMPS &, CHILLED WATER PUMPS (Scope of work)a) Checking & make it Functioning and cleaning of pump starter panels.b)Checking all electrical accessories of pump, starter,MCB, MCCB, single phase preventer and control wiring complete and make it functioning.c) Checkingof bearings, bushes,water seal and and replace if found any defect.d) Checking &Cleanig of Stainers fitted in the chiller and condenser pipelines.i)Checking and lubricate of motor bearing.k) Alignment of motor and pump.l)Repairs/Replacement of motor winding if found wornout.m) Supply and fixing of any motor/pump spares required and proper functioning of chillers.n) Repair/Replacement of drain pipe of pumps to arrest the leak. o) The replacement cost for any kind of material and labour including bearing, motor winding, starter complete shall be deemed to be included in the quoted rate. |
| 35 | MONTHLY PREVENTIVE WORKS FOR COOLING TOWER (Scope of work)a) Checking & make it Functioningof Tower starter panel.b) Checking of cable and cableconnection and replaced if found faulty.c) Checking and cleaning of contactors.d) Checkingand cleaning of CT fan terminals.e) Checking & make it Functioningand lubricate CT fan motor bearing.f) Checking & make it Functioningmotor Amps. g) Checking & make it Functioningand washing tower tray and strainer.h) Labour for replacement of fills.i) Checking of fan blades and alignment of sprinkler pipes.j) Checking of Vibration of structure etc.k) The replacement cost for any kind of material and labour including repair/replacement ofcooling tower hub, blade, stay assembly, bearings and motor winding etc shall be deemed to be included in the quoted rate. l) Any breakdown shall be attended within 24 hrs. A penalty of Rs 3000/- per day will be deducted on failuring to attend the complaint within 24 hrs. |
| 36 | MONTHLYPREVENTIVE WORKS FOR AHU (Scope of work)a) Repair the components of the AHU equipment at site / Service Station.b) Checking all electrical controls and components of AHUs. c) Checking and servicing of AHU electrical Panel.d) Lubricating the bearings of AHU motor.e) Adjustment of tension and replacing of AHU blower motor belt if worn out.f) Checking and lubricate of AHU blower bearings. g) Checking & make it Functioningof blower shaft.h) Checking and cleaning of AHU blower.i) Checking & replace with new if found tear/breakng of AHU canvas connection. j) Checking of AHU blower pulley and motor pulley.k) Checking and cleaning of AHU motor terminals.l) Checking of AHU motor amps.m) Checking of AHU room temperature (return air).n) Checking of room temperature (supply air)q) Checking of thermostat.r) Checking & make it Functioningof humidistat, Actuator valve, controller etc.s) Checking of AHU heater. t) Checking and cleaning of AHU drain tray u) Checking and washing of AHU coil with water pressure.v) Checking of CFM, dampers,fuses, motor vibration levels.w) Checking of Air leakage.x) The replacement cost for any kind of spares, material and labour including ofV belts,bearing, pulley, motor winding shall be deemed to be included in the quoted rate.y) Any breakdown shall be attended within 24 hrs. A penalty of Rs 3000/- per day will be deducted on failuring to attend the complaint within 24 hrs. |
| 37 | M & L for Monthly servicing of (i) Air filters in AHU (capacity 60 CFM - 1 Nos and 30 CFM - 1 Nos)carefully and cleaning including arrangement ofremoving of dust and foreign particles from the AHU rooms/filters/coiling coil throughly by using pressure water jet pumps and suitable washing products to ensure general hygeine and upkeeping of AHU rooms, and refixing filters after drying and to ensure the drain lines, strainer, drain pan to arrest the micro/fungal growth inside AHU rooms complete all as specified and directed.(ii) Cooling Tower of capacity 100 TR - 02 Nos complete with all accessories, basin, fittings, cooling tower fan motors - 02 Nos etccomplete all as specified and as directedNote :-(i) Replacement of Air Filter shall be resposibility of contractor if damage occur while removing or refixing.(ii) Servicing of both (60TR & 30TR)AHUs will be considered as one job(ii) Necessary consumables and cleaning materials required for servicing shall be provided by the contractor |
| 38 | M&L for Painting of 2 x cooling towers,condenser pipe lines,6 Nos of pumps sets and , panel board, iron frames of chiller compressure unit complete at P8i NIAT with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of each unit and marking set numbers and markers all as specified and directed. |
| 39 | S&F pre filter washable type filter element made out of syntetic non wooven mediasupported by HDPE meshon both side including frame and suitable efficiency 90% down to 10 micron complete with mounting frame workof size 540x 540x 50mm with 610x 610 mm flange |
| 40 | S&F pre filterthick washable type filter element made out of syntetic non wooven mediasupported by HDPE meshon both side including frame and suitable efficiency 90% down to 10microncomplete with mounting frame workof size 540x 220x 50mm with 610x 310 mm flange |
| 41 | S& F secondary dry type cleanable and air filter size 540x540x300mm with 610x610 flange supported by GI wire and folder to form accortion plate having an efficiency 95% down to 5micron EU- 5 type complete with mounting frame work |
| 42 | S&FHEPA filter, size 540x540x300mm with 610x610 flange(should be match with existing), efficiency 99.97% on 0.3µm, flow 2000 CFM, H13 grade, Al Flange,IPD- 25mm WC. |
| 43 | Comprehensive AMC for dehumidifier desiccant rotor type 1500 CMH- 7Nos, (Make: Hygro, Model HDP P1550) as mentioned below complete for routine check up as recommended by OEM and break down maintenance as and when required as intimated by Engineer-in-charge at site with complete spares through OEM/ authorised OEM agency for the smooth functioning of dehumidifiers to achieve desired RH condition 50 ± 10 % at site P8I NIAT. The tenderer shall attend the complaint and made serviceable within 24 hrs time including any spares such as fuses, nuts,bolts, heater bank, limit switches,thermostat,all kind of filters,sensors,timers...etc for above mentioned all as specified and as directed by EIC. If the tenderer fails to attend and made serviceable within 24 hrs a penalty of Rs.2000/- per day will be deducted. 1. VPT Room - 2 Nos2. Maintenance Class Room1 - 2 Nos3. Maintenance Class Room2 - 2 Nos4. Store Room - 1 No Total = 7 Nos |
| 44 | All as per item No 18 but for dehumidifier desiccant rotor type 1000 CMH- 2 Nos (Make: Hygro, Model HDP P1100) 1. Site Manager Room - 1 No2. Instructor Office- 1 No - Total =2 Nos |
| 45 | All as per item No 18 but for dehumidifier desiccant rotor type 600 CMH- 2 Nos (Make: Hygro, Model HDP P 630) 1. Server Room- 2 Nos |
| 46 | Notes for item No. 37 to 39 :-i) To visit & check the operating parameters of the Dehumidfier every quarter / month as per OEM schedules.ii) To review the previous months operating log records and alarm history.iii) To inspect the unit for any unusual vibration, noise etc.iv) To check the proper functioning of microprocessor, Heater bank and take control test.v) To check / calibrate the relative humidity switch for proper functioning and replace if found defective.vi) To check the cut out switches and to replace the same, if found defective.vii) All the breakdowns including the dessicant rotor failure, if any shall be attended and rectified. viii) To attend to the complaints as and when called for.ix) To provide any spare covered under the scope ofDehumidifier. |
| 47 | Supply and and fixingf thermal insulation for ducting using Class O-rated closed-cellelastomeric nitrile rubber, with a density of 40–60 kg/m³ and a thickness of 32 mm,incorporating Microban-certified anti-microbial protection, complete in all respects as perrelevant standards and as directed |
| 48 | Supply and application of vapor barrier for air ducts using Fevicol’s non-flammable, low-VOC,anti-fungal, water-based lag coating (FEVICOL AC DUCT KING LAG COATING AF5590), applieduniformly on the duct surface with a brush or spreader. The duct shall then be tightly wrappedwith 7 mil thick canvas or glass fiber cloth, ensuring proper overlap to eliminate air gaps. Afterdrying, a second coating shall be applied in the same manner. All work shall be carried out inaccordance with standard procedures and as directed. |
