COMPREHENSIVE PREVENTIVE AND PERIODICAL MAINTENANCE OF AC PLANTS AT AV AUDITORIUM AND CERTAIN WORKSHOP UNDER GE (N) BIKANER AT BIKANER MIL STN

Amount

Comprehensive preventive & periodical maintenance of Air Conditioning Plant, comprising of screw type water chiller unit, AHU/humidifiers etc of capacity 2 X 125 TR of make - Hitachi & Model - CW125VRF3E installed at AV Auditorium including servicing of AC Plant by authorized company representative (Hitachi) to check and inspect all air release valves, Gas pipe line, cleaning and setting of sensors, checking of control panels, checking of cooling and heating system, inspection of all type of filters for smooth & trouble free functioning of AC Plant complete all as specified and as directed. Note :- Servicing & maintenance of AC plant shall be carried out through authorized service agency of manufacturer (i.e Hitachi). The contractor shall submit documentary proof/evidence in this regard before taking plants under servicing etc.

Comprehensive preventive & periodical maintenance of Air Conditioning Plant, comprising of scroll type chiller unit and AHU/humidifires etc capacity 4 X 10.2 TR of make - Blue Star & Model - WC25-011R2 installed at 288 Fd Wksp including servicing of AC Plant by authorized company representative (Blue Star) to check and inspect all air release valves, Gas pipe line, cleaning and setting of sensors, checking of control panels, checking of cooling and heating system, inspection of all type of filters for smooth & trouble free functioning of AC Plant complete all as specified and as directed. Note :- Servicing & maintenance of AC plant shall be carried out through authorized service agency of manufacturer (i.e Blue Star). The contractor shall submit documentary proof/evidence in this regard before taking plants under servicing etc.

Notes aplicable to serial item No. 1 & 2 here-in-before :- (i) Job includes maintenance of AC plant of capacity 2X125 TR and 4X10.2 TR in summer, winter and monsoon season as per the period of contract including periodical checks i.e quarterly maintenance requirement as per manufacturer's instructions. The job covers daily upkeep of AC plant comprising of chiller unit i.e condenser, chiller, etc. complete and cleaning of AHUs with electric motor including pan type humidifiers of different KW ratings, complete ducting, fan coil units, cooling tower, hot water generator and its piping network, chilled water piping, condense piping, pump and motors of chilled water and condenser and cooling towers, water supply piping, instruement starter, connected control cabling/wiring including electrical panels with switchgear (except compressor unit) for smooth & efficient performance of AC plant to achieve desired inside conditions throughout the season all as specified & as directed. (ii) Cleaning of installation inside and out side of the Bldg and the cost thereof shall deemed to be included in the unit rate quoted against this item. (iii) Contractor shall provide Techanically qualified person for fault attending within 24 hrs. If the AC plant is off load/break down more than 24 hrs, a penalty at the rate of Rs. 5000/- per day shall be levied and deducted from the contractor's payment. (iv) Contractor shall maintain temperature of AC plants at 23 ± 2 degree Celcius and RH 50 ± 5%. (v) During entire contract period any defective components/or any other materials which is not specified in Sch 'A' but required repair/replacement to make plant/ machinery fully functional, the cost of same shall be deemed included in quoted rates and nothing extra shall be paid to the contractor on this account. The transportation and other necessary equipments shall be arranged/brought by the contractor, hence the bidder is advised to visit the site and assess the quantum of the work to be carried out in the contract and quote their rate accordingly. (vi) Make and model of part to be replaced shall be same as existing at site or as per OEM. (vii) Comprehensive /Periodic maintenance means ensuring optimal functioning of AC plant by synchronising all levels at no extra cost. (viii) All above points mentioned in notes for the period of three months shall be considered as one Job. (ix) Periodic maintenance shall take place at every three month or as directed by GE/CWE. (x) Each Job shall be measured and paid in three calendar months. (xi) All installations & surrounding area shall be kept neat and clean all the time by the contractor’s workmen and quoted rate shall deemed to include this provision.

Descaling condenser, chiller and hot water circuit of the following unit by company representative using appropriate chemical as per manufacturer's instructions, cleaning the copper tubes with brush, including circulation cleaning chemical by submersible pump and removing all foreign material which are settled inside condenser and chiller unit, with & including replacing the gasket, washers and all materials which are required for descaling, complete all as specified and as directed :-

AC Plant 1X125 TR

AC Plant 1X10.2 TR

Supply only Refrigerant 'R-134a' for compressor of AC plant of Cap 125 TR for replacement under respective item complete all as specified and as directed.

Supply only Refrigerant 'R-407' for compressor of AC plant of Cap 10.2 TR for replacement under respective item complete all as specified and as directed.

Supply only compressor oil suitable for screw compressor of AC plant of Cap 125 TR of make as recommended by OEM (i.e Hitachi) for replacement under respective item complete all as directed.

Supply only compressor oil suitable for scroll compressor of AC plant of Cap 10.2 TR of make as recommended by OEM (i.e Blue Star) for replacement under respective item complete all as directed.

Dismantling, taking out and Material & Labour for rewinding and refixing of electric induction motor with suitable gauge of super enameled copper conductor including winding with fibre cloth/PVC insulated winding paper, superior quality varnishig, servicing of ball bearing, suitable main connections from coil to terminal box, opening of motor, cutting/removing old burnt winding coils, cleaning/filling the starter slots, necessary mechanical works for shaft/bearing housing, preparing and inserting coils running/starting winding, interconnecting, fixing, soldering, jointing, heating, drying up coils, connection and testing at site, satisfactorily running of electric induction motor of capacity 5.5 HP, 3 Phase, 440 Volts, 50 Hz complete all as specified and as directed.

All as per serial item No. 8 here-in-before but motor of capacity 7.5 HP, 3 Phase, 440 volts, 50 Hz.

All as per serial item No. 8 here-in-before but motor of capacity 15 HP, 3 Phase, 440 volts, 50 Hz.

M&L for dismantling of centrifugal pump set from its foundation / base frame by disconnecting suction/delivery lines & coupling, opening, including required grinding, welding, machining, lathing, alignment, etc and re-assembling of centrifugal pump set 15 HP capacity with discharge 15 LPS at 15 Mtr head including replacing worn out spare parts, re-commissioning & testing complete all as specified and as directed. Make - Kirloskar Note : Unserviceable parts required for replacement shall be measured & paid separately as "Supply only" under serial item No. 12.01 to 12.08 here-in-after.

Supply only following spare parts for centrifugal pump of cap 15 HP with discharge 15 LPS at 15 Mtr head, make - Kirloskar

Pump shaft stainless steel

Impeller brass/bronze complete with impeller key

Shaft sleeve bronze with locking screw & lock nut

Bearing suitable for pump set make – SKF/NBC

Bearing Ring (DE & NDE) CI

Set of ‘O’ ring

CI gland cap with eye bolt complete

GM Gland sleeve bush

M&L for dismantling of centrifugal pump set from its foundation / base frame by disconnecting suction/delivery lines & coupling, opening, including required grinding, welding, machining, lathing, alignment, etc and re-assembling of centrifugal pump set 5.5 HP capacity including replacing worn out spare parts, re-commissioning & testing complete all as specified and as directed. Make - Kirloskar Note : Unserviceable parts required for replacement shall be paid separately as "Supply only" under serial item No. 14.01 to 14.08 here-in-after.

Supply only following spare parts for centrifugal pump of cap 5.5 HP, make - Kirloskar

Pump shaft stainless steel

Impeller brass/bronze complete with impeller key

Shaft sleeve bronze with locking screw & lock nut

Bearing suitable for pump set make – SKF/NBC

Bearing Ring (DE & NDE) CI

Set of ‘O’ ring

CI gland cap with eye bolt complete

GM Gland sleeve bush

S&F in replacement Fan Belt for AHU induction motor suitable for 3/5 HP motor, belt No A-43 13 X 1090 Li all as specified and as directed.

S&F in replacement Fan belt for AHU induction motor siutable for 3/5 HP motor, belt No. A-51 13 X 1300 Li complete all as specified and as directed.

S&F in replacement Fan belt for AHU induction motor siutable for 3/5 HP motor, belt No. A-30 13 X 760 Li complete all as specified and as directed.

S&F in replacement Fan Belt for AHU induction motor suitable for 3/5 HP motor, belt No. A-52 13 X 1320 Li all as specified and as directed.

S&F in replacement fully automatic star delta starter suitable for 7.5 HP to 15 HP electric induction motor connection by using lugs/thimbles complete all as specified and as directed.

S&F in replacement Voltmeter digital type 0-500 Volts complete all as directed.

S&F in replacement Ammeter digital type (0-200A) complete all as specified and as directed.

S&F MCCB, 4 Pole, 200 Amps rating, rupturing capacity 36 kA, 415 Volt grade, AC, 50 Hz, with adjustable Thermal - Magnetic release and making connections using suitable size copper lugs/thimbles and crimping tool, including disconnecting & taking down old unserviceable MCCB, complete all as specified & as directed.

S&F MCCB, 4 Pole, 400 Amps rating, rupturing capacity 36 kA, 415 Volt grade, AC, 50 Hz, with adjustable Thermal - Magnetic release and making connections using suitable size copper lugs/thimbles and crimping tool, including disconnecting & taking down old unserviceable MCCB, complete all as specified & as directed.

S&F MCCB, 4 Pole, 160 Amps rating, rupturing capacity 36 kA, 415 Volt grade, AC, 50 Hz, with adjustable Thermal - Magnetic release and making connections using suitable size copper lugs/thimbles and crimping tool, including disconnecting & taking down old unserviceable MCCB, complete all as specified & as directed.

Supply & fixing in replacement PVC grill of size 600mm x 300mm x 150mm for cooling tower of capacity 125 TR / 140 TR AC Plant.

Supply & fixing in replacement eliminator for cooling tower of capacity 125 TR AC Plant.

Supply & fixing in replacement eliminator for cooling tower of capacity 4x10.2 TR AC Plant.

Supply & fixing in replacement rotating sprinkler for cooling tower of capacity 125 TR AC Plant.

Supply & fixing in replacement rotating sprinkler for cooling tower of capacity 4x10.2 TR AC Plant.

Servicing of double skin AHU comprising of cleaning inside cooling coil with appropriate cleaning chemical (ISI marked) as recommended by OEM and outside by vacuum cleaner and washing / cleaning of filters with chemical, oiling/greasing of moving parts of capacity as under :-

S&F in replacement Humidstat for 125 TR AC Plant.

S&F in replacement cooling and heating thermostat for 125 TR AC Plant.

S&F in replacement chilled water sensor for 125 TR AC Plant of screw type compressor unit.

M&L for repair and programming of PLC card for 125 TR AC Plant.

M&L in replacement chiller water Temperature Meter.

M&L in replacement Contactor, 3 Pole, 32 Amp, AC operated, 415 Volt. Make : Type ML-2 of L&T or equivalent in makes mentioned in Appendix 'B' here-in-after.

S&F in replacement Single Phasing Preventer, Auto reset, 50 Volts unbalance. Make : Type VSP-3 of Minilac or equivalent in makes mentioned in Appendix 'B' here-in-after.

S&F in replacement Heating element (ISI marked) of capacity 50 KW, 3 Phase, 415 Volt for strip type heater for heating system of Hot water generator of capacity 125 KW of Make-Rapid Cool all as directed.

S&F in replacement Pressure meter 0-10 Kg/sqcm.

Supply & fixing in replacement air filter in GI frame of size 600mmx600mm & 50mm thick, washable type having filtration level upto 10-20 micron and efficiency 90% initial pressure drop 2.5mm WG of media synthetic non woven washable plus both side HDPE mesh type as per BS 2831 or 6540 (1985) complete all as specified and as directed ( Make : Athlete/Johnson)

Supply and fixing in replacement MCB, SPN, 6-32 Amps, 240 Volts, AC supply, with overlaod and short circuit protection, 'C' curve and rupturing capacity 10 kA complete all as specified and as directed.

Supply and fixing in replacement MCB, 4 Pole, 63 Amps, 415 Volts, AC supply, with overlaod and short circuit protection, 'C' curve and rupturing capacity 10 kA complete all as specified and as directed.

S&F in replacement Low Pressure / High Pressure Switch for chiller unit of capacity 125 TR AC Plant (Make - Hitachi).

S&F in replacement External Oil Filter for chiller unit of capacity 125 TR AC Plant (Make - Hitachi).

S&F in replacement Internal Oil Filter for chiller unit of capacity 125 TR AC Plant (Make - Hitachi).

M&L for dismantling & re-assembling condenser and evaporator of chiller unit of capacity 2x125 TR AC Plant (Make – Hitachi) and pumping down the Plant to preserve the existing refrigerant (R-134a) and leak testing of Plant by charging of Nitrogen gas in the entire plant and monitoring for 08 hours including leakages, rectification of leakage by brazing and replacement of necessary gaskets packing where required including copper tubes of suitable size, vacuumising the plant by vacuum pump etc complete all as specified and as directed. Note : Nitrogen gas shall deemed to be included in quoted rate of this item.

M&L for dismantling & re-assembling condenser and evaporator of chiller unit of capacity 4x10.2 TR AC Plant (Make – Blue Star) and pumping down the Plant to preserve the existing refrigerant (R-407) and leak testing of Plant by charging of Nitrogen gas in the entire plant and monitoring for 08 hours including leakages, rectification of leakage by brazing and replacement of necessary gaskets packing where required including copper tubes of suitable size, vacuumising the plant by vacuum pump etc complete all as specified and as directed. Note : Nitrogen gas shall deemed to be included in quoted rate of this item.

Supply & fixing in replacement Solenoid valve for 125 TR capacity chiller unit of make - Hitachi.

Supply & fixing in replacement Temperature Sensor for 125 TR capacity chiller unit of make - Hitachi.

Supply & fixing in replacement Syphon Valve for 125 TR capacity chiller unit of make specified by OEM (Hitachi).

Supply & fixing in replacement Drier Core for 125 TR capacity chiller unit of make - Hitachi.

Supply & fixing in replacement Display card for 125 TR capacity chiller unit of make - Hitachi.

Supply & fixing in replacement Safety release valve for 125 TR capacity AC Plant.

Supply & fixing in replacement Water Flow Switch for AC Plant.

Supply & fixing in replacement Display card for 10.2 TR capacity AC Plant of make - Blue Star.

M&L for Software upgradation of 4x10.2 TR capacity AC Plant of make - Blue Star.

Supply, fixing, commissioning and testing programmable heavy duty Variable Frequency Drive (VFD) with digital display for 5.5 KW, 3 Phase, 440 Volt, 50 Hz and 1450 RPM induction motor complete all as specified and as directed, fixed in repairs. Make : Siemens/Schneider/Honeywell

M/S SHREE SHYAM TRADERS

rajesh builders