REPAIR MAINTENANCE OF AHU, DUCTS AND FILTERS AT VARIOUS LOCATIONS UNDER AGE E/M II IN GE (CENTRAL) KHADKI

Amount

Dismantling and taking down existing deteriorated/corrded Air duct of any type complete with nut ,bolts, washers ,packing materials and MS bracket etc all as specified & all as directed by Engr-in-charge from ground level to upto 50ft height.

Supply, fabricate and errect PGI air duct made out of 20 gauge PGI sheet with necessary suport, jointing with MS angle/flat iron/MS strip etc, cut in to shape, drilled and counter sunk for screw including bending and welding, riveting and painting two coat of existing paint etc, complete and rubber packing suitable size fixed with necessary nut bolts and washers etc. incl taking down old PGI sheet complete all as directed by Engr-in-charge.

All as per Item No 2 above but 24 gauge PGI sheet

All as per Item No 2 above but 22 gauge PGI sheet Note For item 2 to 4 : (i) Shape of duct should be as per site requirement. contractor should visit site before quoting the rate. (ii) Quoted rate is deemed to be inclusive all the factory safety clothing, equipment and other T & P required for carrying out the repairs / maintence. (ii) Neccessary welding and fabrication work to be done at actual site as per existing at no extra cost.

M & L for Mild Steel brackets, frames ,supports and stands of type as required made out of angle iron, flat or strip of grade Fe-410-S of any size as per site requirement etc complete with painting two coat with synthetic enemel paint over a coat of red oxide including removal of old unserviceable brackets & frames etc complete all as specified and as directed by Engr-in-charge

M & L for insulation of MS Pipes of any size with Nitrile rubber insulation of 25mm thick with and applying bituminous compound complete all as specified and directed by Engr-in-charge

M & L for fibre glass cloth at nitrile rubber insulation on any size of pipe Complete all as specified & directed by Eng-in-Charge.

M & L for insulation of MS Pipes of any size with cladding of 26 SWG Aluminium Cladding sheet complete with all bends ,fittings all as specified and directed by Engr-in-charge

M & L for removal of thermocoal insulation along with cement concrete carefully & scrubbing of old MS pipe of any size and applying two coats of anti corrosive paint complete all as specified and directed by Engr-in-charge

S&F aluminium powder coated supply air diffuser minium 22 gauge with MS volume control damper.

S & F for aluminium powder coated return air linear diffuser minium 22 gauge. Note for item 11 (i) Neccessary welding and fabrication work to be done at actual site as per existing at no extra cost.

Supply install testing and commissioning in door type LT panel board vermin and weather proof factory fabricated CPRI approved frount operated 500 volts 3 phase 4 wire AC 50 cycle cubical type make out of 2mm CRCA sheet free standing lor mounted totally enclosed painted with epoxy powder coating with including all switch gear as detailed below, the panel shall consist of 1000 Amp rating TPN +E Electrolyte grade aluminium bus bar supported with DMC/SMC barriers and colour coated with heat shrinkable sleaves the metering shall be provided as specified the size of the panel mounting meter shall be 96mm x 96mm. The panel shall have short circuit with standing capacity of mininum 50KA and consist of the switch gear as mentioned below and panel shall be on top/bottom cable entry, provided with on/off/trip indication lamps of LED type. The panel should have specified Contactor, starter,on/off push botton,topggle switch , U/V relays single phase preventer , Over load realy,timer etc. The panel shall be mounted on channels grouted to the floor compring the following (main control panel).

Incommer-250 A, 4 Pole, 50 KA moulded case circuit breakers with micro processor releases for O/C, S/C .(legrand/SIEMENS/L&T/) Metering :- 96mm x 96mm multi data meter (V,A,K.W KWH, F,PF)200/5 A,CL-1.0,15VA Resin Cast current transformer - 03 Nos 2A, Control fuse links with 20A control fuse bases 3 Nos LED type indication lamps for R,Y,B phase indicator and breakers On/Off/Trip indication.

Outgoing :- (A) 20HP motor of compressor - 03 Nos

(B) 12.5HP motor of AHU - 01 Nos

(C) 7.5 HP Condensor pump motor - 02 Nos

(D) 5 HP CT Fan motor - 01 Nos

(E) Preheater 29 Kw - 01Nos

Supply install testing and commissioning in door type LT panel board vermin and weather proof factory fabricated CPRI approved frount operated 500 volts 3 phase 4 wire AC 50 cycle cubical type make out of 2mm CRCA sheet free standing lor mounted totally enclosed painted with epoxy powder coating with including all switch gear as detailed below, the panel shall consist of 1200 Amp rating TPN +E Electrolyte grade aluminium bus bar supported with DMC/SMC barriers and colour coated with heat shrinkable sleaves the metering shall be provided as specified the size of the panel mounting meter shall be 96mm x 96mm. The panel shall have short circuit with standing capacity of mininum 50KA and consist of the switch gear as mentioned below and panel shall be on top/bottom cable entry, provided with on/off/trip indication lamps of LED type. The panel should have specified Contactor, starter,on/off push botton,toggle switch , U/V relays single phase preventer , Over load realy,timer etc. The panel shall be mounted on channels grouted to the floor compring the following (main control panel).

Incommer-400 A, 4 Pole, 50 KA moulded case circuit breakers with micro processor releases for O/C, S/C .(legrand/SIEMENS/L&T/) Metering :- 96mm x 96mm multi data meter (V,A,K.W KWH, F,PF)200/5 A,CL-1.0,15VA Resin Cast current transformer - 03 Nos 2A, Control fuse links with 20A control fuse bases 3 Nos LED type indication lamps for R,Y,B phase indicator and breakers On/Off/Trip indication. Outgoing :- (A) 25HP motor of compressor - 03 Nos (B) 15 HP motor of AHU - 01 Nos (C) 7.5 HP Condensor pump motor - 02 Nos (D) 5 HP CT Fan motor - 01 Nos (E) Preheater 29 Kw - 01Nos

Supply install testing and commissioning in door type LT Control panel board vermin and weather proof factory fabricated CPRI approved front operated 500 volts 3 phase 4 wire AC 50 cycle cubical type make out of 2mm CRCA sheet free standing lor mounted totally enclosed painted with epoxy powder coating with including all switch gear as detailed below, the panel shall consist of 1200 Amp rating TPN +E Electrolytic grade aluminium bus bar supported with DMC/SMC barriers and colour coated with heat shrinkable sleaves the metering shall be provided as specified the size of the panel mounting meter shall be 96mm x 96mm. The panel shall have short circuit with standing capacity of mininum 50KA and consist of the switch gear as mentioned below and panel shall be on top/bottom cable entry, provided with on/off/trip indication lamps of LED type. The panel should have specified Contactor, starter,on/off push botton,topggle switch , U/V relays single phase preventer , Over load realy,timer, panel tubelight etc. The panel shall be mounted on channels grouted to the floor compring the following (main control panel).

Incommer- 400 A, 4 Pole, 50 KA moulded case circuit breakers with micro processor releases for O/C, S/C .(legrand/L&T or Equivalent ) Metering - Digital multifunctional meter with suitable CT and indicator set etc. Outgoing :- (A) 25HP motor of compressor - 03 Nos (B) 12.5HP motor of AHU - 01 Nos (C) 7.5 HP Condensor pump motor - 02 Nos (D) 5 HP CT Fan motor - 01 Nos (E) Preheater 29 Kw - 01Nos

S & F for Mild steel pipe heavy grade of 150 mm dia with all fitting laid in floors and fixed to walls and ceilings etc of sizes as shown complete all as specified and directed by Engr-in-charge

S & F for Mild steel pipe heavy grade of 100 mm dia with all fitting laid in floors and fixed to walls and ceilings etc of sizes as shown complete all as specified and directed by Engr-in-charge

S & F for Mild steel pipe heavy grade of 80 mm dia with all fitting laid in floors and fixed to walls and ceilings etc of sizes as shown complete all as specified and directed by Engr-in-charge

S & F for Mild steel pipe heavy grade of 50 mm dia with all fitting laid in floors and fixed to walls and ceilings etc of sizes as shown complete all as specified and directed by Engr-in-charge

M & L for 25 mm glass wool insulation with aluminium foil and ALC mesh .026 gauge for wall & roof complete all as specified and directed by Engr-in-charge

M&L for spray painting of E/M installation/ducting system with scrabing of old painting/rusted surface of E/M installation/ducting system and spary painting with two coats of lustre paint as per colour code directed by Engr-in-Charge at site.

Dismantling of AHU/Blower Room of any capacity with complete accessories such as cooling coil ,air filters,blower motor, blower / drum ,blower shaft,side panels , and wall opening etc & Re-assembling/Refixing complete AHU/Blower Room of any capacity after cleaning, servicing to cooling coil, blower & filters by using CTC solution including remetling ,fine grinding blower shaft and hardening balancing , realignment of AHU shaft, replacing unserviceable blower fins ,replacing AHU Blower bearing set, two nos including inlet out let pipe welding,all electric connections etc all as specified and directed by Engr-in- Charge including removing of electric connection complete all as specified and directed .

SHAILENDRA B TULSANI

somnath engineering corporation