|
| 1 | Comprehensive maintenance and routine check up of the chiller unit, Model No 30HXC285A of capacity (2x 285 TR Working + 1 x 285 TR standby) water cooled Chilling unit installed at INHS SANJIVANIon monthly basis, comprising of the following(Higher side of AC plant),Make: Carrier screw chiller of model 30HXC285A installed in year 2015 Hermetic rotary screw compressor using R- 134 A refrigerent, flooded type shell and tube evaporator shell and tube condenser, microprocessor based control panel ,star delta/part winding starter with control microprocessorto maintain inside temp 23 ± 2 Deg C andRH 55 ± 5 %.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 flow switch 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) Repair replacement of defective switch gears, relay contractors and cables of all electrical panels including main power supply panel.xii) Rewinding of the compressor motor, if required.xiii) Repairing of the leakages including charging/ topup of gas,oil etc.xiv) To attend to the complaints as and when called for.xv) To provide any spare covered under the scope ofAC plants |
| 2 | A. ANNUAL MAINTENANCE OF CHILLERCONDENSER TUBE( Once in contract period) (i) Cleaning of shell and tubecondenser and chiller capacity 3 x 285 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.B. ANNUAL SHUTDOWN INSPECTION (Once in Contract Period)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. |
| 3 | Note :- 1. The comprehensive maintenance and complete allied works shall be done through OEMagency i.e Carrier air conditioning and Refrigeration 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) before commencement of work, after acceptance of CA3.The higher side of AC plant defects shall be get checked by OEM ( Carrier air conditioning 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 refrigerent 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 (INHS sanjivani) 6. A penalty of Rs 3000/- per day will be deducted on failure of attending complaints.7. 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 after completion of work. |
| 4 | 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 of AC supply to the hospital complex with all materials and labour for smooth functioning of plants :- |
| 5 | Horizontal back pull type end suction chilled water pump 50 HP with TEFC motor, bronze -impeller (2 Working & 1 Standby) complete all as specified and as directed. |
| 6 | Horizontal back pull type end suction condenser water pump 75 HP with TEFC motor, bronze -impeller(2 Working & 1 Standby) complete all as specified and as directed. |
| 7 | MONTHLYPREVENTIVE WORKS FOR CONDENSER PUMPS AND CHILLED WATER PUMPSa) Checking & make it Functioning and cleaning of pump starter panels.b)Checking and tighten cables.c)Checking & make it functioning.d)Checking and cleaning of terminals.e) Checking & make it Functioningof coupling of pump and motor.f)Checking of spider bush of pump.g)Checking of water seal of pump.h)Checking of motor amps.i)Checking and lubricate of motor bearing.j)Checking and cleaning of inlet strainers of pumpk)Checking alignment of motor and pumpl) 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 shall be deemed to be included in the quoted rate.p) Any breakdown shall be attended within 24 hrs. A penalty of Rs 1000/- per day will be deducted on failuring to attend the complaint within 24 hrs. |
| 8 | Comprehensive maintenance andservicing of cooling tower Induced Draft type 300 TR, Cooling tower of FRP ( 2 Nos working and 01 No standby)complete with all accessories, basin, fittings, 10 HPfan motor etcincluding washing of PVC fills by using mild detergent,clearing bottom tank to remove mud & dust and cleaning of Y/ pot strainer after removing the strainer from pot including removal and refixing of nut & bolts of various type , if required at site specified and directed by Engineer-in-charge. |
| 9 | MONTHLY PREVENTIVE WORKS FOR COOLING TOWERa) Checking & make it Functioningof Tower starter panel.b) Checking & make it Functioningand tighten cable connection.c) Checking and cleaning of contractors.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) Checking & arresting any type leaking inthe FRP base, suction tank etc.l) The replacement cost for any kind of material and labour including repair/replacement of cooling tower hub, blade, sprinkler, stay assembly, bearings and motor winding etc shall be deemed to be included in the quoted rate. m) Any breakdown shall be attended within 24 hrs. A penalty of Rs 1000/- per day will be deducted on failuring to attend the complaint within 24 hrs. |
| 10 | Air Handling Units of following capacity :- 18 Nos (Including replacement of defective electrical accessories of AHU,CT,Pump panel\"-26 Nos) (capacity of AHUs as follows) including 18 Nos of electric motors, blower of different cpacities, blower units, cooling coils, valves of differnet sizes, gauges etc:-(i) 22000 CFM - 1 No. (ii) 20000 CFM - 1 No.(iii) 14000 CFM - 1 No.(iv) 11600 CFM - 2 Nos(v) 6200 CFM - 1 No.(vi) 14350 CFM - 1 No.(vii) 8400 CFM - 1 No.(viii) 16800 CFM - 1 No.(ix) 3500 CFM - 1 No.(x) 13600 CFM - 1 No.(xi) 3850 CFM - 1 No. (xii) 4900 CFM - 1 No.(xiii) 7200 CFM - 2 Nos(xiv) 6000 CFM - 1 Nos (xv) 8000 CFM - 2 Nos |
| 11 | MONTHLYPREVENTIVE WORKS FOR AHUa) 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 of motorized fire damper, VCD and repair/ replace if found defective. 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. s) Checking of AHU heater. t) Checking and cleaning of AHU drain and try u) Checking and washing of AHU coil with water pressure. v) Checking of CFM, dampers,fuses, motor vibration levels.w) Checking of Air leakage, water leakage in cooling coil/chiller pipeline and rectify the same.x) The replacement cost for any kind of spares of motor/pulleys, material and labour including bearing, pulley, V belts, 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 1000/- per day will be deducted on failuring to attend the complaint within 24 hrs.z) Return air vents of AHU to be covered with SS wiremesh of suitable size to avoid rodent entry |
| 12 | M&L for Painting of Central AC Plant (2x 285 TR Working + 1 x 285 TR standby) at INHS Sanjivani i.e 3 x Chiller Units Completelyincluding with condenser pipe lines appx length 200 mtr, all type valves, 6 Nos of pumps & motors and 3 x cooling towers, iron frames complete 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. |
| 13 | Supply and fixing inreplacement of analouge pressure gauge including valve facility 0-16 bar 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. |
| 14 | Supply and fixing inreplacement of analouge temperature gaugesuitable (dia) size and modelcomplete all as specified and directed. |
| 15 | Taking down old unserviceable canvas from AHUs duct to pleneum/Main supply air duct including dismantle of air dampers/fire dampersand supply and fix new premium quality leather type canvas locking rivits and sealing of silcone material of any size as per existing at site complete al as specified and directed. |
| 16 | M&L for two coats of synthetic enamel painting on chiller water pipe line any dia at INHS Sanjivani any height by using scaffolding ladder arrangements after preparation of surfacesall as specified and as directed. |
| 17 | M & L Steel structural fabrication works fabricated from structural steel sections including nuts,cable trays,clamps bolts,washers, welding ,bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primary coat, one under coat and one finishing coat of paint complete all as specified and directed. |
| 18 | M & L for Monthly servicing of air filters from AHU carefully and cleaning including arrangement of for removing 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 by Engineer-in-charge.Note :- (i) Replacement of Air Filter shall be resposibility of contractor if damage occur while removing or refixing.(ii) Servicing of one complete AHU will be considered as one job(ii) Necessary consumables and cleaning materials required for servicing shall be provided by the contractor |
| 19 | Material and labour for leak testing of existing cooling coil of capcaity upto 150TR, arresting the leaks of cooling coil by forced pressuring water incl pipe cutting works, brazing works, aligning fins and repairs to insulation complete all as specified and as directed by EIC. |
| 20 | Comprehensive maintenance and routine check up of the chiller unit of capacity (2 x 130 TR and 1 x 90 TR) water cooled chilling unit installed at Simulator Complex (Dhruv Bldg) at ND School on monthly basis, comprising of the following (HIgher Side of AC plant) Mkae : Blue Star of Model No CHFL-Y24 installed in year 2023:- Hermetic rotary screw compressor using R- 134 A refrigerent, flooded type shell and tube evaporator shell and tube condenser, microprocessor based control panel ,star delta/part winding starter with control microprocessorto maintain inside temp 23 ± 2 Deg C including all maint routine checkups as recommended by OEM and breakdown attending maintenance as and when required as intimated by EIC at site with complete spares through OEM/authorised service dealer of OEM for the complete machineries/equipments/accessories etc for smooth functioning of AC plant. |
| 21 | 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 / calibrate the flow switch for proper functioning and replace flow switch if found defective.vii) To check the antifreeze and carrying out the setting of the same.viii) To check the LP / HP cut out switches and to replace the same, if found defective.ix) All the breakdowns including the compressor failure, if any shall be attended and rectified. x) Repair replacement of defective switch gears, relay contractors and cables of all electrical panels including main panel.xi) Rewinding of the compressor motor, if required.xii) Repairing of the leakages including charging of gas/oil topupxiii) To attend to the complaints as and when called for.xiv) To provide any spare covered under the scope ofAC plants |
| 22 | A. ANNUAL MAINTENANCE OF CHILLERCONDENSER TUBE( Once in contract period) (i) Cleaning of shell and tubecondenser and chiller capacity (2 x 130 TR and 1x 90 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. B. ANNUAL SHUTDOWN INSPECTION (Once in Contract Period)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. |
| 23 | Note :- 1. The comprehensive maintenance and complete allied works shall be done through OEM agency i.e Blue Star/authorised dealers. Comprehensive maintenance contract shall be done 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) before commencement of work, after acceptance of CA3.The higher side of AC plant defects shall be get checked by OEM ( Blue star)and made serviceable in case of any defects observed during the routine check up or on call during emergency breakdown includingreplacement ofall minor 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 (INHS sanjivani) 6. A penalty of Rs 3000/- per day will be deducted on failure of attending complaints.7. 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. |
| 24 | 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 of AC supply to the complex with all materials and labour for smooth functioning of plants :- |
| 25 | Centrifugal chilled water pump 15 HP - 02 Nos and 7.5 HP - 01 No complete all as specified and as directed. |
| 26 | Centrifugal condenser water pump 15 HP - 02 Nos and 7.5 HP - 01 No complete all as specified and as directed. |
| 27 | MONTHLYPREVENTIVE WORKS FOR CONDENSER PUMPS AND CHILLED WATER PUMPSa) Checking & make it Functioning and cleaning of pump starter panels.b)Checking and tighten cables.c)Checking & make it functioning.d)Checking and cleaning of terminals.e) Checking & make it Functioningof coupling of pump and motor.f)Checking of spider bush of pump.g)Checking of water seal of pump.h)Checking of motor amps.i)Checking and lubricate of motor bearing.j)Checking and cleaning of inlet strainers of pumpk)Checking alignment of motor and pumpl) 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 shaft, coupling, bush, bearing, motor winding shall be deemed to be included in the quoted rate.p) Any breakdown shall be attended within 24 hrs. A penalty of Rs 1000/- per day will be deducted on failuring to attend the complaint within 24 hrs. |
| 28 | Comprehensive maintenanceand servicing of Cooling Tower of capacity 150 TR - 02 Nos and 90 TR - 01 No complete with all accessories, basin, fittings, cooling tower fan motors - 03 Nos etc (5 HP -02 Nos & 3 HP - 01No) complete all as specified and as directed. |
| 29 | MONTHLY PREVENTIVE WORKS FOR COOLING TOWERa) Checking & make it Functioningof Tower starter panel.b) Checking & make it Functioningand tighten cable connection.c) Checking and cleaning of contractors.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 of cooling tower hub, blade, stay assembly, V- belts, 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 1000/- per day will be deducted on failuring to attend the complaint within 24 hrs. |
| 30 | Air Handling Units of following capacity :- 10 Nos (Including replacement of defective electrical accessories of AHU, CT, Pump panel\" ) (capacity of AHUs as follows) including 10 Nos of electric motors, blower of different cpacities, blower units, cooling coils, valves of differnet sizes, gauges etc including repairs/rewinding of electric motors:-(i)18500 CFM - 2 Nos(ii) 16500 CFM - 1 No (iii) 17500 CFM - 1 No (iv) 22500 CFM - 1 No(v)23500 CFM - 1 No (vi) 29200 CFM-1 No(vii) 28200 CFM - 1 No (viii) 12500 CFM - 1 No(ix) 14500 CFM - 1 No |
| 31 | MONTHLYPREVENTIVE WORKS FOR AHUa) 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 of motorized fire damper, VCD and repair/ replace if found defective. 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. s) Checking of AHU heater. t) Checking and cleaning of AHU drain and try 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 of motor/pulleys, material and labour including bearing, pulley, V belts, motor winding shall be deemed to be included in the quoted rate. |
| 32 | M & L for Monthly servicing of air filters from AHU carefully and cleaning including arrangement of for removing 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 by Engineer-in-charge.Note :- (i) Replacement of Air Filter shall be resposibility of contractor if damage occur while removing or refixing.(ii) Servicing of one complete AHU will be considered as one job (iii) Cleaning of plenum and supply and return diffusers |
| 33 | Supply & fixing in replacementdigital thermostat / microprocessor based controller with lcd display with sensor bulb with cable for controlling 3-wayactuator valve installed at AHU rooms, suitable model/ make,all as specified and as directed by EIC |
| 34 | Supply & fix in replacement rotary actuator , modulating,with transformer/ DC power supply,suitable torque, model/make, for controlling3-wayactuatorvalve any size,all as specified and as directedby EIC |
| 35 | Supply & fix in replacementof3-wayactuatorvalve CI body, flanged / screwed type, 65 / 50mm dia suitable model/make,includingnecessary thermal insulation and making goodaffectedsurface of thechiller pipe complete all as specified and as directedby EIC |
| 36 | M&L for Painting of Central AC Plant (2x 130 TR Working + 1 x 90 TR standby) at Druv building i.e 3 x Chillerincluding with condenser pipe lines up to cooling tower, all type valves, 6 Nos of pumps sets and 3 x cooling towers, iron frames complete 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. |
| 37 | Supply & fix inreplacement of PN 1.6 manualbutterfly valve of sizes 200 mm complete all as specified and directed. |
| 38 | Supply & fix inreplacement of PN 1.6 manualbutterfly valve of sizes 150mm complete all as specified and directed. |
| 39 | Supply & fix inreplacement of PN 1.6 manualbutterfly valve of sizes 65 mm complete all as specified and directed. |
| 40 | Supply & fix inreplacement of Non return butterfly valve, Dual plate of size 200 mm complete all as specified and directed. |
| 41 | Supply & fix inreplacement of Non return butterfly valve Dual plate of size 150 mm complete all as specified and directed. |
| 42 | Supply and fix in repair rubber expansion bellow 150mm dia with flanges nut and bolts complete all as specified and directed |
| 43 | Supply and fix in repair rubber expansion bellow 200mm dia with flanges nut and bolts complete all as specified and directed |
| 44 | Supply & fix inreplacement of Gun metal globe or gatevalve 15 mm dia with iron wheel head screwed both ends, fixed with 10 cm long MS barrel nipple all as specified and directed. (for air release in AHU chiller line) |
| 45 | Supply & fix inreplacement of Gun metal globe or gatevalve 25 mm dia with iron wheel head screwed both ends all as specified and directed. |
| 46 | Supply & fix inreplacement of ball brass valve, high pressure with polythene float and fly nut complete 25 mm dia screwed iron pipe or brass ferruleall as specified and directed. |
| 47 | Supply & fix inreplacement of CPVC pipes with SDR 13.5 pipes and plain CPVC SDR 11 fitting 25 mm dia including all fittings on wallsor laying in floors all as specified and directed. |
| 48 | Supply & fix inreplacement of CPVC pipes with SDR 13.5 pipes and plain CPVC SDR 11 fitting 50 mm dia including all fittings on walls or laying in floors all as specified and directed. |
| 49 | Supply & fix inreplacement of unplasticized PVC pipes of Pressure rating 10Kg/sqcm 50mm dia forAHU drain water |
| 50 | Supply & fix inreplacement ofPVC floor trap twoway suitable for 65/50mm dia pipes (ForAHU drain water pipe) |
| 51 | Supply only for replacement of Polyvinylfillssuitable/existingsizeforSanjivani/Druv blockcooling tower complete |
| 52 | Supply and fix for replacement perforated cable tray hot dipped galvanised iron 200mm width, 50mm depth, 1.6mm thick |
| 53 | Supply and Fixingin repair 26 gauge Aluminium cladding type on external surface of chiller water pipeline of insulation including all fitting and fixtures and scaffolding equipments complete all as specified and as directed. |
| 54 | Supply and Fixingin repair PVC/ Vinylfloor mat2mm thickness, light blue colour all as specified and as directed. |
