COMPREHENSIVE AND PREVENTIVE MAINTENANCE OF 4X250 TR CAPACITY CENTRAL AC FACILITY AT RESTRICTED AREA UNDER GE SOUTH WEST NEW DELHI

Amount

Comprehensive maintenance, preventive/periodical, routine & corrective (break down) maintenance, servicing, cleaning, inpection and testing in and including repair/ replacement of defective components / parts / fitting / sensors as and when required of central A/C plant of capacity 02 x 250 TR helical rotary liquid water cooled chillers (Models RTHD-02 Nos) through M/S Trane (OEM) or authorized dealer for following plant and equipments to micro processed unit control panel, helical rotary compressor, evaporator, electronical expansion valve, water cooled condensor with integral sub cooler, oil cooler, oil piping, oil filter, refergerant filters, soleniod, safety/metering sensor and equipments and automatic control valves etc. for under mentioed M/S Trane Make models. (a) Helical rotary liquid chiller models RTHD- 02 X 250 TR

Note: Scope of Annual Comprehensive Maintenance are cover under this tender :- (a) Diagnose the fault and rectify the defects detected in reasonable time. (b) Repair /replace the faulty minor and major parts etc. of the equipments. (c) All periodical and preventive maintenance shall be carried out in presence of engineer of OEM (M/S Trane) . (d) Attend all break down as and when required. (e) The cost of spares/sensors and labour for any minor or major repairs of chiller plants as and when required for smooth reliable operation with high efficiency (as recommended by the OEM during inspection/analysis report) shall be provided by the contractor at no extra cost and rate for the same are deemed to be included in the unit rates of item as above. (f) The contractor is liable to maintain 21ºC temperature (± 2ºC) and 50 % relative humidity (± 5%) in the rooms. (g) Contractor is required to enter in to "Level-3" MOU with M/S Trane. The contractor shall submit copy of MOU with M/S Trane or authorized dealer to Accepting officer for his approval before the commencement of Work. The service Engineer from M/S Trane (original OEM) will visit the A/C plant 3 to 4 times in contract period for inspection and will submit inspection report to the Engineer-in-charge. Necessary repair action will be taken immideately if/as required.

(h) The OEM has to attend the unscheduled service calls as and when required for locating the faults and rectify the same within 04 hours. In case of any fault in the machineries of Central AC plant due to which the plant is put off more than 04 hours the following penalties shall be recovered from the contractor :- (i) Rs. 5000/- Per hours will be recovered from the contractor for non rectification of defect/replacement of any unserviceable spares after 04 hours from lodging of complaint telephonically or verbaly. (ii) Thereafter Rs. 20000/- will be added every day till rectification of fault/replacement of unserviceable spares as directed by the Engineer-in-Charge. (j) The service Engineer from M/S Trane (OEM) will visit the A/C plant every month in contract period for inspection and serviceing of all four Chiller units and will submit inspection and seviceing report(duly signed by service engineer and JE E/M) to the Engineer-in-charge. (k) Necessary repair action of urgent nature should be taken immideately whether it is working hours or holidays if/as required and no additional charges will be payable. (l) Carry out de-scaling process of condensers coils, with suitable chemical on half yearly basis and rate for the same are deemed to be included in the unit rates of item as above. (m) Top up or replace (if required), the refrigerant gas and compressor oil and rate for the same are deemed to be included in the unit rates of item as above.

Preventive/periodical, routine & corrective (break down) maintenance, servicing of under mentioned associated equipments such as Air Handling Units(AHU,s), Cooling Towers, Chilled and Condense water circulating pumps & motors, Condensor and chiller water piping system with control valves, Air distribution system with FCU/Grills, LT panels of AHUs/Pumps/Chillers, including carrying out daily, weekly, monthly, quarterly and half yearly as scheduled in the Particular Specifications :-

(i) FRP cooling tower Make: PAHARPUR, induced draft type with fan and elect motor, starter, gearbox, PVC fins, base louvers and ladder etc complete of 500 TR capacity - 01 No (ii) FRP cooling tower Make: MIHIR, induced draft type with fan and elect motor, starter, gearbox, PVC fins, base louvers and ladder etc complete of 250 TR capacity - 02 Nos (iii) Condensor and chiller water piping of all sizes including butterfly valve/sluice valves, non return valves, and other measuring and safety equipments and accessories complete. (iv) Chilled water circulating pumps Make: BECON and Squirrle cage induction Motors Make: ABB/Crompton of 40 HP capacity - 07 Nos (v) Condense water circulating pumps Make: BECON andSquirrle cage induction Motors Make: ABB/Crompton of 30 HP capacity - 07 Nos (vi) Air Handling Units Make: ZECO/UNIAIR/CARRYAIR/WAVES with chilled water system, blower motor, pantry, cooling coil, spray and filter section dehumidification arrangement, modutrol motor, strip heater, Thermostat etc suitable for cooling in summer and heating in winter complete of varying capacity 15 TR to 40 TR with elect panel etc - 22 Nos

(vii) Air distribution system including volume control dampers, smoke & fire dampers, air diffusers, canvas connector, control valves and sensors/mearsuring equipements etc. (viii) FCU, Supply and return air grills. (ix) LT panel cubical type floor mounted dust and vermin proof for each AC plant unit No. 1, 2, 3, 4 etc complete - 04 Nos. (x) AHUs ON/OFF monitor panel - 1 No (xii) Dewatering pump sets - 04 Nos (xiii) Make up water pump set of 10 HP capacity - 02 Nos for cooling tower with PVC water storage tank of SINTEX Make- 10000 Ltrs capacity each - 02 Nos along with connecting pipes and accessories complete.

Note :- for item Ser No 1 & 2 (i) All consumable items such as grease, cotton waste, gland packing, nuts, bolts and washers, insuation tap, M-seal, copper and aluminium lugs/thembles etc as required will provided by contractor and rate for the same is deemed to be inclcuded in the unit rate. (ii) Carry on the servicing, routine/periodical and preventive maintenance, as per schedule mention under particular specification. Non compliance maintenance schedule as mentioned above penalty @ 1000/- per day will be recovered from the contractor. (iii) Upkeep the system, record of maintenance/service as per PS etc. of works. (iv) Carry out de-scaling process of AHU's, Cooling Towers, Chilled water and condense water piping, with suitable chemical on yearly basis and rate for the same are deemed to be included in the unit rates of item as above. (v) The contractor shall be responsible for handing over the entrie AC Plant in serviceable condition in the time of completion of works duly inspected by engineer (M/S Trane), contractor and Engr-in Charge jointly and inspection report of serviceabilty state of each and every parts of AC Plant to be submitted with final bill.

Supply, laying, fixing and testing in replacement of heavy duty MS/MS ERW Pipe conforming to IS: 1239/3589 including fittings laid in floor or fixed to wall and ceiling as when as site requirements complete in and including painting with anti corrosive black bituminous paint and making good the disturbed surface complete all as specified and as directed of following sizes as required:-

300 mm bore (wall thickness 6.00 mm)

200 mm bore (wall thickness 6.00 mm)

100 mm bore (wall thickness 6.00 mm)

80 mm bore (wall thickness 6.00 mm)

Supply, laying, fixing and tested in replacement of 'medium grade' G.I. pipe (for drain) conforming to IS: 1239 including fittings like elbows, tees, flanges, tapers, nuts, bolts, gaskets etc. in and including cutting, welding and fixing the pipe on the wall/ceiling/floor with suitable clamp/support frame in and including disconnected/dismantaling and taking out of rusty/damaged GI pipes complete all as specified and as directed of following sizes as required:-

50 mm bore

25 mmbore

M&L for insulation in replacement of MS pipe/valves/stainersetc. with thermocol 40mm thick duly binding with GI tie wire 22 Gauge for holding the insulating material in position with providing additional support to the insulation with and including chicken wire mesh of size 12.5 mm x 0.51 mm (24 SWG) hexagonal construction, stretched firmly over the insulation in and including rendering 10mm thick with cement plaster 1:3 and setting coat 5mm thick for smooth finish with cement plaster 1:2 over the insulation and painting with two or more coats of synthetic enamel paint of approved color code as when as site requirements complete all as specified and as directed.

Supplying, fixing and testing in replacement of double flanged butterfly valve of PN 1.6 rating, CI , gear/hand lever operated, with soft seated wafer, nitrile rubber seat and 'O' ring, ss shaft duly ISI marked complete with nuts, bolts, washers, gaskets conforming to IS 13095 complete all as specified and directed of following sizes as required:-

300 mm bore

150 mm bore

100 mm bore

80 mm bore

Supplying, fixing and testing in replacement of motorized 2/3 way valve, flanged type, PN 1.6 rating with motor, actuator, themostat and wiring complete with all accessories and nuts, bolts, washers, gaskets suitable for 80mm dia pipe complete all as specified and directed.

Supplying, fixing and testing in replacement of static balancing valve, flanged type, PN 1.6 rating made out of ductile iron with branze/ss disc, nitrile rubber seat and 'o' ring with nozzle complete with all accessories and nuts, bolts, washers, gaskets suitable for 80mm dia pipe complete all as specified and directed.

Supplying, fixing and testing in replacement of bronze globe/gate valve, with iron wheel head, screwed both ends, suitable for 50mm dia pipe complete all as specified and directed.

Supply & fixing in replacement of fire retardant, flexible, double cloth canvass made with high quality clothe, moisture resistance in and including fixing materials complete all as specified and as directed.

Supply and fixing in replacement of GI/SS/aluminium wire mesh filter for FCU's made out of HDPE, non woven synthetic media duly washable and assembled in fully sealed anodised aluminium/GI frame, having efficiency 95% down to 10 micron of approx size 700 x 230 x 25 mm or actual as per site all as directed and specified by Engineer-in-Charge.

M&L for disconnecting electrically and mechanically defective/burnt squirrel cage induction motor, shifting to civil workshop, opening for inspection, removing of unserviceable ball bearings, gaskets etc, cutting of old burnt winding, cleaning of slots, fixing of insulated material, winding with new super enemelled copper winding wire of suitable gauge, varnishing, re-assembling, transporting to site, re-fixing at existing location, connecting mechanically, electrical connections, testing to entire satisfaction of Engineer-in-charge all as directed at site for capacity 1 HP to 1.5 HP. Note: - Cost of spares will be measured and paid seperately under relevant items.

All as per item No- 12.00 here-in-before but 3HP capacity.

All as per item No- 12.00 here-in-before but 5HP capacity.

All as per item No- 12.00 here-in-before but 7.5HP capacity.

All as per item No- 12.00 here-in-before but 10 HP capacity.

All as per item No- 12.00 here-in-before but 12.5HP capacity.

All as per item No- 12.00 here-in-before but 15HP capacity.

All as per item No- 12.00 here-in-before but 20HP capacity.

All as per item No- 12.00 here-in-before but 30HP capacity.

All as per item No- 12.00 here-in-before but 40HP capacity.

M&L for disconnecting mechanically centrifugal pump, shifting to civil workshop, opening for inspection, removing of unserviceable parts like ball bearings, impellers, impeller nut, 'O' ring, eye ball, shaft, bearing housing, gland packing, gasket set etc & replacement of old unserviceable spares with new ones, re-metaling/machining work for shaft by filling, grinding, polishing and matching to reqiured size/shape, re-assembling, shifting to site, re-fixing at existing location, connecting mechanically, testing to entire satisfaction of Engineer-in-charge all as directed at site of capacity 1 HP to 1.5 HP. Note: - Cost of spares will be measured and paid seperately under relevant items.

All as per item No-22.00 here-in-before but 3HP capacity.

All as per item No-22.00 here-in-before but 5HP capacity.

All as per item No-22.00 here-in-before but 7.5/10 HP capacity.

All as per item No-22.00 here-in-before but 30HP capacity.

All as per item No-22.00 here-in-before but 40HP capacity.

Supply only ball bearing model 6202 Make-SKF/TATA/NBC/HMT. (Pump and motor 1 HP to 1.5 HP).

All as per item No- 28.00 here-in-before but 6203 (Pump and motor 3 HP)

All as per item No-28.00 here-in-before but 6204 (Pump and motor 5 HP)

All as per item No-28.00 here-in-before but 6205 (Pump and motor 7.5 HP)

All as per item No-28.00 here-in-before but 6205 (Pump 10 HP)

All as per item No-28.00 here-in-before but 6306 (Motor 10 /12.5 HP)

All as per item No-28.00 here-in-before but 6307 (Pump and motor 15/20 HP)

All as per item No-28.00 here-in-before but 6206/6207 (Pump 30 HP)

All as per item No-28.00 here-in-before but 6311 (Motor 30 HP)

All as per item No-28.00 here-in-before but 6312 (Motor 40 HP)

All as per item No-28.00 here-in-before but 6308/6309 (Pump 40 HP)

Supply only gun metal impeller suitable for 1/1.5 HP capacity centrifugal pump set as per existing model and make for Kirloskar make pump set.

All as per item No- 39.00 here-in-before but for pump set of capacity 3 HP

All as per item No-39.00 here-in-before but for pump set of capacity 5 HP

All as per item No-39.00 here-in-before but for pump set of capacity 10 HP

All as per item No-39.00 here-in-before but for pump set of capacity 30 HP

All as per item No-39.00 here-in-before but for pump set of capacity 40 HP

Supply only gun metal shaft suitable for centrifugal pump set of capacity 1/1.5 HP as per existing model and make for Kirloskar/Crompton Greaves make pump set all as required and as direted by the Engr-in-Charge.

All as per item No-45.00 here-in-before but for pump set of capacity 3 HP

All as per item No-45.00 here-in-before but for pump set of capacity 5 HP

All as per item No-45.00 here-in-before but for pump set of capacity 10 HP

All as per item No-45.00 here-in-before but for pump set of capacity 30 HP

All as per item No-45.00 here-in-before but for pump set of capacity 40 HP

Note (for item No. 28 to 50):- Labour for taking out unserviceable parts & repair/replacing of spares shall be included in the quoted rate of item Ser. No. 12 to 27.

M&L MS/CI gland plate suitable for 30/40 HP centrifugal chiller pump set as per existing make and model including fixing with new MS bolts all as directed by the Engr-in-charge.

Supply and fixing in replacement of 'V' belt for AHU blower motor of size B-72

All as per item No-53.00 here-in-before but of size B-73

All as per item No-53.00 here-in-before but of size B-78

All as per item No-53.00 here-in-before but of size B-83

All as per item No-53.00 here-in-before but of size B-84

All as per item No-53.00 here-in-before but of size B-92

All as per item No-53.00 here-in-before but of size B-94

All as per item No-53.00 here-in-before but of size B-96

All as per item No-53.00 here-in-before but of size B-97

All as per item No-53.00 here-in-before but of size B-98

All as per item No-53.00 here-in-before but of size B-102

All as per item No-53.00 here-in-before but of size B-105

All as per item No-53.00 here-in-before but of size B-195

Supply and fixing in replacement of Tyre coupling with MS hub of size TC-015/014 including flexible tyre, nuts, bolts and washers suitable for centrifugal motor pump set 30/40HP capacity complete match with existing one.

All as per item No-66.00 here-in-before but of size TC-013/012

All as per item No-66.00 here-in-before but of size TC-011 suitable for pump set of capacity 10HP

M&L for in replacement MS plates plain/chequred square cut or notched/MS channel/angle iron (ordinary and counter sunk) forming holes of GDE Fe 410-W or E250B quality in and including painting two coat of synthetic enamal black paint over a coat of red oxide primer paint, welding/cutting/grouting and taking out old/rusted iron frames etc.for foundation and cable duct cover all as specified and as directed.

M&L for painting Condensor and chiller water piping with two coat of approved color, synthetic enamel paints on all external surface after throughly cleaning/scraping of old paints, rust and scale etc. complete all as specified and as directed.

Supply and fixing in replacement of single phase strip type heating element of capacity 3 KW, fixing in existing AHUs installed in multystoried building up to 11th floor, electric connections with multistranded copper conductor cables of suitable size and testing all as directed by the Engr-in-Charge.

Supply and fixing in replacement of stainless steel temperature gauge bottom connected mounting type range -30º C to 50º C.

Supply and fixing in replacement of stainless steel burdon pressure gauge, 0-60 PSI rating, complete with 3/8 inch dia, S.S. syphon piping with gun metal cock valve in condensor pipe lines as per existing shape and size all as required.

All as per Ser item No. 73.00 here-in-above but pressure gauge of rating 0-150 PS.

Supply and fixing in replacement of water flow switch type RC-61 MWP 150 PSIG elect rating SPDT 250 V, AC-15 A suitable for 250 TR Trane make chiller unit as per existing sample as required at site all as directed.

Supply and fixing in replacement of Industrial type pressure switch for 250 TR Trane make chiller unit as per existing sample as required at site all as directed.

Supply and fix in replacement of digital temperature Thermometer with 9 volts battery for temp range (-) 50 degree centigrade to (+) 50 degree centigrade or (-) 58 degree 'F' to (+) 302 degree 'F'

Supply and fixing in replacement of Electronic thermostate with sensing element, suitable for 230V AC supply suitable for HVAC system as per existing sample as required at site all as directed.

Supply and fixing in replacement of electronic Timer for star delta motor starter model, 20 SDTO of Make L & T or equivalent specified in list of Makes.

Supply and fixing in replacement of MCCB, Four pole, 250 Amps, 36KA,,415 Volts (Ics=100% of Icu) with microprocessor release suiable for existing frame size of LT panel complete all as specified and as directed.

Supply and fixing in replacement of MCCB Three pole 125 Amps, 25KA, 415 Volts (Ics=100% of Icu) with thermal magnetic release suiable for existing frame size of LT panel complete all as specified and as directed.

Supply and fixing in replacement of MCCB Three pole 100 Amps, 16KA, 415 Volts (Ics=100% of Icu) with thermal magnetic release complete all as specified and as directed.

Supply and fixing in replacement cylindrical fuse links 63 Amp Type HF complete all as specified and as directed.

Supply and fixing in replacement of thermal over load relay Range 45 - 75Amp or as existing at site, Type MN 5 complete all as specified and as directed.

Supply and fixing in replacement of over load relay Range 4 - 6.5Amp Type MK-1 complete all as specified and as directed.

Supply and fixing in replacement of direct on line starter three phase 7.5 to 10 HP capacity motor in a sheet metal enclosure, type MN 16 DOL complete all as specified and as directed.

Supply and fixing in replacement of power contactor with coil voltage 220 volts, 3 phase, 3 pole, 415 volt, 50 Hz, AC type, type ML-3 complete all as specified and as directed.

All as per item No-87.00 here-in-above but Type ML-4 complete all as specified and as directed.

All as per item No-87.00 here-in-above but Type MNX-18 complete all as specified and as directed.

All as per item No-87.00 here-in-above but Type MNX-25 complete all as specified and as directed.

All as per item No-87.00 here-in-above but Type MNX-40 complete all as specified and as directed.

All as per item No-87.00 here-in-above but Type MNX-50 complete all as specified and as directed.

All as per item No-87.00 here-in-above but Type MNX-70 complete all as specified and as directed.

Supply and fixing in replacement of Phase indicating lamp, LED type, RED/BLUE/YELLOW/GREEN, 22.5 mm Ø, surface mounted, 240VAC suitable for panel mounting complete all as specified and directed.

All as per item No-95.00 here-in-above but 0-200 Amp

All as per item No-95.00 here-in-above but 0-100Amp

Supply and fixing in replacement of current transformer of capacity 300/5A, cast resin ring type with burden 15 VA and accurac class 1 suitable for panel mounting complete all as specified and directed.

All as per item No-99.00 here-in-above but 200/5A

Preventive maintenance and servicing cleaning, descaling including testing and replacement of defective components/parts/fittings/sensors as and when required of central AC plant of capacity 2X250 TR helical rotary liquid water cooled chillers (RTHB-02 Nos ) through M/s Trane OEM or authorized dealer for following plant and equipments to micro processed unit control panel, helical rotary compressor , evaporator, electronic expansion valve, water cooled condensor with intergal sub cooler, oil cooler, oil piping, oil filter, refergerant filters, solenoid, safety / metering sensor and equipments and automatic control valves etc. for under mentioned equipments of M/s Trane Make model. (a) Helical rotary liquid chiller model RTHB - 02 x 250 TR Note I: (a) The minor works i.e. (i) Gas Charging (ii) Oil Changing (iii) Fileter Changing (Oil & Gas) (iv) All types of connections (v) Microprocessor card (vi) Display system (vii) Leakage finding if any (oil & gas both) and their rectification etc shall also be inclusive in the job and cost also deemed to be included in the quoted rate of this job. Note II: (a) if, Major Spare parts found faulty during preventive maint, will be replaced and paid separately under respective item of BoQ. (b) All types of tools and plants required for replacement of faulty parts / spares shall be arranged by the vendor under their own arrangement without any extra cost to the Department.

M&L for complete De-scaling of the central AC plant of capacity 2 x 250 TR, helical rotary liquid water cooled chillers (Model RTHB - 02 Nos) including sufficient quantity of antiscalent chemical / any other chemical required through M/s Trane (OEM) or authorized dealer. (i) All types of tools which are required for De-scaling of complete Central AC plant shall be arranged by the vendor under their own arrangement without any extra cost to the Department.

M&L PCC 1:2:4, type B-1 using 20mm graded stone aggregate copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including necessary form work as directed.

SNOWY ENGINEERING INC (BID ID -3287152)

SANJEEV ENTERPRISES (BID ID -3285991)