SERVICING / MAINTENANCE / REPAIRING OF CENTRAL AC PLANTS AT MH AND MBT ARJUN UNDER GE (A) NO 2 JODHPUR

Amount

M&L for descaling of Condenser unit of 25.4 TR AC Plant after opening from both side and using the descaling compound and brushes with long iron rod to clean the deposition in side the copper tubes and check the water flow in side the tubes including replacement of gasket set, nuts and bolt all as directed by Engr-in-Charge. Note :- 1. Descaling will be carried out two times in a year (12 Condenser Unit x 2 Times = 24 Jobs) 2. Condenser/Chillier coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction.

S&F in replacement of Scroll type sealed compressor of capacity 13.0 TR . Make : Danfoss model No. SZ185S4RC, 3 Phase, 380-400 Volts, 50 Hz , Thermally protected operating pressure H/L 31.9/25.0 bars suitable for existing AC plants complete including testing and commissioning as directed by EIC

Supply & Charging Refrigerant gas R 407 C at Central type AC plant complete all as directed. Note -Leakage detection using Nitrogen gas if required is deemed to included in the quoted rate.

Supply & filling of Compressor oil suitable for gas R 407 C at AC plant complete all as directed and specified by Engr-in-Charge

S&F Crank case heater for Compressor at AC plant complete all as directed and specified by Engr-in-Charge

S&F Termination joint (connector) for connecting cables complete as directed and specified

Servicing of Hot water Generator as per manufacturer norms of capacity 24/30 KW model No RC 24/30, 2 steps any make complete as directed and specified by EIC.

S&F in repair, heating element/coil as per sample of hot water generator of capacity 24 / 30 KW model No RC 24 / 30, 2 steps any make as per sample complete as directed and specified by EIC.

M&L for repairing / servicing / cleaning complete of Air Handling Unit capacity of 6000 CFM, complete with replacement of worn out /unserviceable parts and rectify the leakages and reassembling the same after complete repair/leakages with accessories as nuts, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire satisfaction of Engr-in-Charge

All as per item No. 9 above but capacity of 9000 CFM

All as per item No. 9 above but capacity of 10000 CFM

M&L for replacement of Contractor 4 Pole 40 Amps for AHU unit complete all as specified and as directed.

All as per item No. 12 above but 32Amp

S&F Temperature gauge suitable as existing with accessories complete all as directed

S&F Mercury in glass industrial type Thermometer as existing with accessories complete all as directed

S&F of Digital Amps meter complete all as directed

M&L for Fan belt for 6000 CFM to 10000 CFM AHU as per existing complete all as directed

M&L for Relay 8-22 Amps for 6000 CFM to 10000 CFM AHU as per existing complete all as directed

S&F Three way motorised direct mounted actuator valve complete set 3"/2.5"/4" with all accessories and including piping arrangement, providing connections etc complete as specified and directed by Engr-in-charge. Note : cost of welding work for connection and disconnection of valve and pipeline, cost of MS pipe heavy duty of size 3"/2.5"/4" upto 3 mtrs pieces is deemed to be included in quoted rates.

M&L of Thermostat for AHU all as directed

M&L of rewinding of blower fan motor of capacity 6000 to 10000 CFM with all accessories required for installing and connection complete all as specified and directed by EIC.

S&F in replacement air filter of AHU of size 6000 CFM as existing suitable complete all as directed

All as per item No. 22 above but 9000 CFM

All as per item No. 22 above but 10000 CFM

M&L for cleaning, servicing of cooling tower of capacity upto 30 TR AC Plant with cleaning agent complete pipe lines, and FRP tank, greasing, servicing of cooling tower, motor and fan & make the necessary alignment complete all as specified and as directed Note :- 1. Servicing will be carried out two times in a year (4 Cooling Tower x 2 Times = 8 Jobs)

S&F in repair of Rotor shaft with rotor of Cooling Tower of capacity 1/3 HP, 3Ph, 415 Volts, 50 Hz complete all as specified and directed

S&F in repair of Bearing as existing size and model of Cooling Tower of capacity 1/3 HP, 3Ph, 415 Volts, 50 Hz complete all as specified and directed

S&F in repair of Immersion proof cable gland as existing of Cooling Tower of capacity 1/3 HP, 3Ph, 415 Volts, 50 Hz complete all as specified and directed

S&F in repair of Connection plate of Cooling Tower of capacity 1/3 HP, 3Ph, 415 Volts, 50 Hz complete all as specified and directed

S&F in repair of outer casing with anti corrosion coating on the outside of Cooling Tower of capacity 1/3 HP, 3Ph, 415 Volts, 50 Hz complete all as specified and directed

Disconnecting the electrical connection and taking down the burnt out cooling tower motor of capacity 1 to 3 Hp from any location and transporting to workshop for repair, dismantling the motor & taking out burnout copper winding and rewinding the same with super enamelled copper wire as pr existing gauge including replacement of bearing & correcting minor defects reassembling, transporting motor from workshop to site, reinstalled at site, reconnecting, testing and commissioning complete all as specified and directed by EIC.

M&L for replacement unserviceable ball bearing of Cooling Tower of capacity of 30 TR including all necessary lathe works as required and greasing etc complete as per direction of Engr-in-Charge.

M&L for replacement unserviceable sprinkler assembly of Cooling Tower of capacity upto 30 TR complete all as directed.

S&F in repair unserviceable CT fan blade of cooling tower of capacity upto 30 TR as per existing size.

M&L for replacement of cooling pad/Fins of size 600mm x 300mm x 150mm for cooling tower/ air cooling plant including complete fitting as existing at various installations.

Dismantling and taking out old non return valve of 65mm dia and supply, installation, testing and commissioning of Non return butterfly valve 65mm dia with duel plate of CI body SS plates NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as specified and directed.

All as per item No. 36 above but 50mm dia

M&L for repair/overhauling of centrifugal monoblock pump set of 3 to 5 HP by opening Gland bush , studs, nuts & washers Ball bearing of pump set Remetling grinding and polishing of pump shaft to required size Gl and packing, replacement of pump bearings and making its proper alignment etc & refixing after repair all as directed .

M&L for rewinding of centrifugal monoblock pump set of 3 to 5 with all accessories required for installing and connection complete all as specified and directed by EIC.

Dismantling and taking out old butterfly valve and supply, installation, testing and commissioning of butterfly valve class-II heavy duty for discharge & liquid line of 80 mm dia

Dismantling and taking out old butterfly valve and supply, installation, testing and commissioning of butterfly valve class-II heavy duty for discharge & liquid line of 100 mm dia

S&F in repair gun metal gate valve of size 25/32 mm dia as specified and directed by Engr-in-charge

supply and fixing in auto air purge valve of size 15/20/25 mm dia as specified and directed by Engr-in-charge

Dismantling and taking out old solenoid valve and supply, installation, testing and commissioning of solenoid valve class-II heavy duty for liquid line as per existing.

Disconnecting and taking out old existing unserviceable current transformer of Amp meter of any description and Supply, fixing & testing round/ring type current transformer of ratio 100/5 Amp to 150/5 Amp, rated burden 5 VA and accuracy class 1.0 complete all as specified & directed.

Supply, laying, testing and commissioning of LT UG cable XLPE insulated heavy duty armoured electric power cable with stranded aluminium conductor 1100 volts grade 95 Sq mm 3.5 core, laid in duct/trench/along pole/wall etc including nuts, bolts, washers, saddles & screws etc and making connection, complete all as specified and directed by Engr-in-Charge.

All as per item No. 46 above but cable of size 70 Sqmm 3.5 core

All as per item No. 46 above but cable of size 35 Sqmm 3.5 core

All as per item No. 46 above but cable of size 16 Sqmm 4 core

All as per item No. 46 above but cable of size 10 Sqmm 4 core

S&F in replacement of old unserviceable indicators any type with LED based indicating lamps of RYB colour including disconnecting and connecting of the same all as directed at site.

S&F in replacement of Three Phase Preventer suitable for motor protection and making all incoming and out going electric connections complete all a specified and directed. Type VSP2 Make : Minilec/Jepro.

S&F in replacement of AC contactor 3/4 pole, 415 volts current rating 32 A and including making necessary electric connections and testing of circuit on full load complete all as specified and directed.

All as per item No. 53 above but current rating 20 AMPs, 3/4 pole

All as per item No. 53 above but current rating 100 AMPs, 37 KW, 3/4 pole

All as per item No. 53 above but current rating 63 AMPs, 4pole

Taking out old unserviceable MCCBs up to 200 Amp rating and Supply and fixing for MCCB, 4 pole,415Volt, 16 KA including cable lugs of suitable size, complete testing, commissioning complete to the entire satisfaction of Engr-in-charge, the following capacity of 63 Amps.

All as per above Item No.57 but current rating 125 Amps

All as per above Item No. 57 but current rating 100 Amps

Taking out old unserviceable MCBs, S&F of MCB, C Curve type, 10 kA, 63Amp, TPN with over load and short circuit protection, complete all as directed.

S&F in replacement GI pipes heavy duty of 25mm size including taking down/up of existing pipe and replacing the same with new pipe including welding work, providing all type of GI fitting as required at site including testing for leakage/blockage of pipe complete all as specified and directed by EIC

All as per item No 61 above but size 32 mm dia

All as per item No 61 above but size 40 mm dia

All as per item No 61 above but size 50 mm dia

All as per item No 61 above but size 80 mm dia

All as per item No 61 above but size100 mm dia

M&L for insulation of MS pipe with PUF slab 30mm thick with and including applying bituminous compound and GI gladding with 26 gauge GI sheet complete of size 65mm dia

Taking out old damaged AC duct and Supply, Installation & testing of Galvanised Sheet of size 22 Gauge FABRICATED DUCT as required at site with Connectors, GI Flanges, turning vanes, with proper duct sealing etc Complete with supports as per the specifications.

All as per item No 68 above but thickness 24 Gauge

S&F of external thermal insulation on ducts with closed cell cross linked polyethylene (XLPE) foam of density 33 Kg/m3 with 12mm thick complete all as specified and directed

S&F of adjustable type air diffuser of size 12 x 12 inch, air square aluminium diffusers complete with wooden frame, volume control damper, painting, gasket, screws complete all as directed by Engr-in-Charge

S&F double canvas connections for AHU's in the system with the flanges, nuts, bolts, gaskets etc complete all as directed by Engr-in-Charge

M&L for attending AC plant faults at MH ICU / MBT Arjun area, to check AC Plant for serviceability of continuous cooling effect rectifying including carrying out minor repairs / replacement etc as required to make AC Plant functional, all as specified and directed by Engr-in-charge. (i) Any other replacement of major items shall be measured & paid separately under respective items of this schedule. (ii) Minor items will be included on the quoted rates only.

M&L for mild steel plates of Fe-410-W (Grade E-250) quality B, plain or chequered, 5mm thick or over in thickness complete all as directed by Engr-in-Charge

Replacement of UNSV Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metres below normal ground level, connecting to the GI earth strip 25x4 mm by means of bolts, nuts , check nuts and washers of galvanized iron and steel earth wire protected by provision of GI light grade pipe 40 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with 40mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 metres, all as per electrical plate No 3 of SSR 2009 Part-I and connecting to LT Panel / DG Sets / Voltage Stabilizer / Building all as specified or indicated including testing on complete all as specified and as directed by Engineer-in-Charge.

Panwar Electricals

SNEH CORPORATION