Comprehensive and preventive maintenance of AC Plant and allied works at MH under GE (N) Bikaner at Bikaner Mil Stn

Amount

Comprehensive preventive & periodical maintenance of Air Conditioning Plant, comprising of chiller unit AHU/humidifiers etc of capacity 3 X 165 TR of make - Carrier & Model - 30HXC165A installed at 187 Military Hospital including servicing of AC Plant by authorized company representative (Carrier Company Ltd) 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 Carrier Company representative). 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 chiller unit and AHU/humidifires etc capacity 3 X 135 TR of make - Carrier & Model - 30HXC135A installed at 187 Military Hospital including servicing of AC Plant by authorized company representative (Carrier Company Ltd) 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 Carrier Company representative). 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 3X165 TR and 3X135 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 per 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 chemical Scale-II 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 3X165 TR

AC Plant 3X135 TR

Supply only Refrigerant 'R-134a' for compressor of AC plant of Cap 165 TR & 135 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 165 TR & 135 TR of make as recommended by OEM (i.e Carrier Co Ltd.) for top up under respective item complete all as directed.

Supply & fixing in replacement pre 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 & fixing in replacement fine air filter in GI frame of size 458mmx458mmx152mm having filtration level upto 5 micron and efficiency 99.9% initial pressure drop 6.5mm 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)

Surface dressing not exc 15 cm deep in soft/loose soil including clearing away all grass vegetation, saplings, shrubs, brushwood, undergrowth, roots, and trees not exceeding 30 cm girth (measured one metre above ground level) and removing rubbish upto a distance of 500 metres outside the periphery of the area under clearance complete all as specified & 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 3 HP, 3 Phase, 440 Volts, 50 Hz complete all as specified and as directed.

All as per serial item No. 9 here-in-before but motor of capacity 5 HP, 3 Phase, 440 volts, 50 Hz.

All as per serial item No. 9 here-in-before but motor of capacity 7.5 HP, 3 Phase, 440 volts, 50 Hz.

All as per serial item No. 9 here-in-before but motor of capacity 20 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 20 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. 14.01 to 14.08 here-in-after.

Supply only following spare parts for centrifugal pump of cap 20 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

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 7.5 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 5 HP to 7.5 HP electric induction motor connection by using lugs/thimbles complete all as specified and as directed.

S&F in replacement indicating lamps (Set of three) in existing LT Panel board of type integrated LED lamp for operating voltage 240 volt AC 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 in replacement switch disconnector fuse unit HBC type open execution with 3 fuses, 630 Amp capacity, 415 volts front handle operated, 50Hz, 80 KA, suitable for panel mounting complete all as specified and as directed. Make : ABB Model No OT630E03P or equivalent of L&T / Siemens / Schneider / C&S / Havells / CG

S&F in replacement switch disconnector fuse unit HBC type open execution with 3 fuses, 630 Amp capacity, 415 volts front handle operated, 50Hz, 80 KA, suitable for panel mounting complete all as specified and as directed. Make : ABB Model No OT400E03P or equivalent of L&T / Siemens / Schneider / C&S / Havells / CG

S&F in replacement HBC Fuse links din type 160 Amps rating, 415 volts, breaking capacity 80 KA (Set of 3) specification : IEC: 60269-1&2-1 & IS:13703-1&2-1 complete all as specified and as directed. Make : ABB / L&T / Siemens / Schneider / C&S / Havells / CG

Supply & fixing in replacement Oil Solenoid valve for 135 TR capacity chiller unit of complete all as specified and as directed.

M&L for repair & servicing of cooling tower by disconnecting & re-assembling all electrical connections and mechanical parts from cooling tower of capacity 165 TR / 135 TR AC Plant and cleaning, oiling, greasing, etc and replacement of faulty parts, complete all as specified & as directed. Note : Faulty parts required for replacement and given under this Schedule shall be paid separately as "Supply only".

Supply only PVC grill of size 600mm x 300mm x 150mm for cooling tower of capacity 165 TR / 135 TR AC Plant.

Supply only eliminator for cooling tower of capacity 165 TR AC Plant.

Supply only eliminator for cooling tower of capacity 135 TR AC Plant.

Supply only rotating sprinkler for cooling tower of capacity 165 TR AC Plant.

Supply only rotating sprinkler for cooling tower of capacity 135 TR AC Plant.

Supply only Turner Buckle for cooling tower of capacity 165 TR / 135 TR AC Plant.

Supply only PVC Flapper for cooling tower of capacity 165 TR / 135 TR AC Plant.

Servicing of AHU comprising of cleaning inside & outside by vacuum cleaner and chemical (ISI marked) as recommended by OEM, washing/cleaning of filters, oiling/greasing of moving parts of capacity as under :- Note : Existing AHU shall be serviced two times on requirement basis as directed during the contract period and each time servicing shall be measured as one Job. Thus the quantities of serial item No. 35.01 to 35.03 here-in-after is the double of existing AHUs.

3000 CFM to 5000 CFM

5001 CFM to 10000 CFM

10001 CFM to 15000 CFM

S&F in replacement sensor for Flooded type chiller with screw type compressor of capacity 165 TR /135 TR AC Plant.

M&L for repair and programming of PLC card for 165 TR /135 TR AC Plant.

M&L in replacement MS pipe flanged type 65 mm bore heavy grade (ISI marked) including drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket complete all as specified and as directed.

M&L in replacement MS pipe flanged type 80 mm bore heavy grade (ISI marked) including drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket complete all as specified and as directed.

M&L in replacement MS pipe flanged type 150 mm bore heavy grade (ISI marked) including drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket complete all as specified and as directed.

M&L in replacement MS pipe flanged type 200 mm bore heavy grade (ISI marked) including drilling, cutting, bending & welding in required shape including nuts, bolts, washers, rubber gasket complete all as specified and as directed.

M&L in replacement Gun metal, globe or gate valve, with iron wheel head, screwed both ends for iron pipe and fixed of size 25mm bore, ISI marked,complete all as specified and as directed.

M&L in replacement Cast Iron butterfly valve of size 200mm dia, gear operated, Stainless steel disc, EPDM rubber lining, Class PN-16, ISI marked, complete all as specified and as directed.

M&L in replacement Cast Iron butterfly valve of size 150mm dia, gear operated, Stainless steel disc, EPDM rubber lining, Class PN-16, ISI marked, complete all as specified and as directed.

M&L in replacement Filter for strainer of C/T suitable for capacity 165 TR AC Plant as recommended by OEM (Carrier).

M&L in replacement Filter for strainer of C/T suitable for capacity 135 TR AC Plant as recommended by OEM (Carrier).

M&L for preparation of old painted surfaces of all MS pipes inside & outside the building of AC Plant including cooling towers of capacity 165 TR / 135 TR at MH and painting with two coats of synthetic enamel paint of approved tint complete all as specified and as directed.

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.

M&L in replacement Bakelite fuse grip, 32 Amps. Make : L&T / ABB / Siemens / C&S / Havells / GE

M&L for repair to LT Panel Indoor type by disconnecting all electric connections, removal of complete internal wiring and replacing the internal wiring with & including new PVC insulated stranded copper conductor FRLS cables of existing size but not less than 6 sqmm with proper copper lugs, thimbles, minor extras and replacing other unserviceable accessories to make the panel fully functional complete all as directed. Note : Accessories except wiring/lugs/thimbles/minor extras directed to be replaced shall be measured and paid separately under respective items.

Supply, laying, jointing and testing XLPE insulated armoured heavy duty LT under ground electric cable with aluminium stranded conductor 1100 Volt grade cross sectional area 120 sqmm 3½ core laid in trenches/ducts, through pipe, under floors or roads/ along poles etc complete all as specified including dismantling & taking out old unserviceable cable. Notes :- (i) Sand cushioning, cable protection, GI protection pipe, clamps, jointing kits and excavation & earth work shall be measured & paid for separately. (ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions.

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

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 branch clamp with nuts, bolts etc for cooling tower of capacity 165 TR / 135 TR AC Plant.

S&F in replacement Mother Board complete set for Chiller Unit of capacity 165 TR AC Plant (Make - Carrier).

S&F in replacement SCPM Card for compressor for chiller unit of capacity 165 TR / 135 TR AC Plant (Make - Carrier).

S&F in replacement Oil Transducer for circuits of compressor for chiller unit of capacity 165 TR / 135 TR AC Plant (Make - Carrier).

S&F in replacement Oil Level Switch for chiller unit of capacity 165 TR / 135 TR AC Plant (Make - Carrier).

S&F in replacement External Oil Filter for chiller unit of capacity 165 TR / 135 TR AC Plant (Make - Carrier).

S&F in replacement Internal Oil Filter for chiller unit of capacity 165 TR / 135 TR AC Plant (Make - Carrier).

S&F in replacement High Pressure Switch for chiller unit of capacity 165 TR / 135 TR AC Plant (Make - Carrier).

M&L for dismantling & re-assembling condenser and evaporator of chiller unit of capacity 135 TR / 165 TR AC Plant (Make – Carrier) 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 be measured & paid for separately as ‘Supply only'.

Supply only Nitrogen gas for serial item No. 65 here-in-before all as directed.

M&L for duct insulation with resin bonded fiber glass wool roll of density 24 Kg/Cum with factory laminated aluminium vapour barrier, thickness of insulation 30mm, including cleaning the duct surfaces to be insulated by scrapping carefully with suitable wire brushes etc to make the surface completely free from mill scale, dirt, dust, grease & other foreign materials, taking special care so that all duct joints shall be sealed against any leakage, with & including applying rubber based adhesive CPRX compound, sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50mm wide to make the insulation leak proof, securing the insulation with & including mechanically fastened Nylon / steel straps of size 12mm / 50mm at maximum intervals of 1.2m complete all as specified and as directed including taking out old unserviceable material.

All as per serial item No. 67 here-in-before but 40mm thick.

All as per serial item No. 67 here-in-before but 50mm thick.

Supply, assembly and erection of GI sheet rectangular / square duct made out of ‘L’ shaped hollow profile duly factory boxed including all accessories such as corner, cleats, carriage bolt, gasket and appropriate sealant on longitudinal joints etc of size 24 guage complete all as specified and as directed including dismantling & taking out old unserviceable duct material.

M&L for modification in insulation of chiller pump set of capacity 20 HP of chiller unit of 165 TR / 135 TR AC Plant for provision of mechanical seal arrangement in lieu of existing gland arrangement including opening, dismantling of suction pumps from foundation and transportation to/from workshop for all machining job for arrangement of new mechanical seal and reassembling on same position, insulation of pumps shall be resin bonded fibre glass wool roll of dessity 24 Kg/Cum with plaster of paris barrier with suitable thickness of insulation with & including cleaning the pump surfaces to be insulated by scrapping carefully with suitable wire brushes etc to make the surface completely free from mill scale, dirt, dust, grease & other foreign materials, taking special care so that all joints shall be sealed against any leakage, with & including applying rubber based adhesive CPRX compound, sealing of all longitudinal joints and circular overlaps to make the insulation leak proof complete all as specified and as directed including dismantling & taking out old unserviceable material.

M&L for servicing of electric hot water generator of capacity 335 KW (Make – Rapid Cool), descaling of heater and decarbonising contactor including servicing of electrical panel etc including replacement of old unserviceable parts complete all as specified and as directed. Note : Unserviceable parts required for replacement shall be paid separately as "Supply only" under serial item No. 72.01 to 72.13 here-in-after.

Supply only Step Controller Card.

Supply only Connector.

Supply only Master Thermostat (03 Pin).

Supply only Control Wiring Module with Relay.

Supply only Relay (8 Pin / 14 Pin).

Supply only Low Level Switch.

Supply only Auto Vent.

Supply only On/Off switch with light.

Supply only Push Button.

Supply only indicating lamps (Set of three) for sensor.

Supply only MS flange type heater element of capacity 10 KW, 3 Phase, 415 Volts.

Supply only MS flange type heater element of capacity 25 KW, 3 Phase, 415 Volts.

Supply only Heating element (ISI marked) of capacity 50 KW, 3 Phase, 415 Volt for heating generator system.

M&L for servicing of pan type humidifier 6 KW, descaling of heater by removing top plate including replacement of old unserviceable parts complete all as specified and as directed. Note : Unserviceable parts required for replacement shall be paid separately as "Supply only" under serial item No. 73.01 to 73.10 here-in-after.

Supply only Float Valve.

Supply only SS ball bearing for Float Valve.

Supply only Level Switch (Float switch).

Supply only Thermostat.

Supply only Geyserstat.

Supply only Connector.

Supply only Master Thermostat (03 Pin).

Supply only top cover gasket.

Supply only heater gasket.

Supply only Nipple of heater 6 KW.

S&F in replacement aluminium fan belt assembly (1800mm) for cooling tower of capacity 165 TR / 135 TR AC Plant complete all as specified and as directed.

S&F in replacement Tie Rod for cooling tower of capacity 165 TR / 135 TR AC Plant complete all as specified and as directed.

S&F in replacement Y Strainer for cooling tower of capacity 165 TR / 135 TR AC Plant complete all as specified and as directed.

BHADU BUILDERS

rajesh builders