REPAIR/ MAINT OF AC PLANT AND ITS CONNECTED ACCESSORIES AT OLD CANTT UNDER GE (EAST) PRAYAGRAJ.

Amount

M&L for checking the leakage in both low and high side of the system by feeding dry nitrogen upto 300 PSI to maintain adequate pressure in the system, plugging the leaks including S&F in replacement of Teflon sealing of all refrigerant line valves like liquid lines valves/ suction/ discharge valves of compressors, gland packages of all angle valves flaring of all connections framing welding etc complete for AC plant of capacity 2x25TR-Plant, complete all as specified and directed by Engr-in-Charge.

M&L for opening the upper sheet and side sheet of AHU for access to cooling coil including for washing/cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing of air filters and re-fixing and changing of V Belt both set with necessary fitting and T&P for mounting for AC plant of capacity 2x25TR-Plant, complete all as specified and directed by Engr-in-Charge.

Removing burnt/defective sealed compressor unit of any make from any type of central type AC plant capacity 12.5 TR by cutting of suction and discharge lines unscrewing the foundation nuts, bolts etc, supply and fixing of new sealed compressor scrol type unit of make as existing by connecting suction and discharge lines with gas welding/brazing work and tightening foundation nuts & bolts etc complete all as specified and directed

M&L for dismantling of electric driven horizontal induction motor of capacity 10/12.5 HP of any type and make, by engaging sufficient man power and suitable T&P to ensure safety of motor including disconnecting of electric connections, dismantling of motor, taking out the burnt windings, cleaning and washing of slots and rewinding the same with copper winding wire of existing gauge and quantity (as per original manufacturer design) including replacement of all damaged parts i. e. bearings, bush, thrust plate, thrust bearing, connector plate, insulating materials such as insulating sheets insulating paper (Class "F"), sealing compounds etc and reassembling the motor after varnishing, heating/drying, greasing of moving parts etc and reinstallation of the motor in original location, checking the alignment, making proper electric connection, testing for smooth operation, complete all as directed. Note : (i) The cost of winding wire and all replaced defective parts are deemed to be included in quoted rates and no extra cost shall be paid to the contractor in this effect. (ii) The cost of transportation (to and fro) and other necessary equipment shall be arranged/brought by contractor to complete the job at site or at repair shop and no extra cost shall be paid to the contractor in this effect.

Description same all as per srl item no 4 here-in-above but 5/7.5 HP capacity complete all as specified and directed.

Description same all as per srl item no 4 here-in-above but 3/2 HP capacity complete all as specified and directed.

M&L for complete overhauling of condenser / chiller centrifugal pumpset of 10/12.5 HP by engaging sufficient man power and suitable T&P to ensure safety of pump-motor as well as working persons including disconnecting suction & discharge water lines and removing of electric connection, dismantling the U/S pumpset from MS foundation, detaching the pump, opening the pump, remelting the shaft and filling of metal at decayed portions including all kind of machine works i.e. welding, turning, polishing etc as required to make the shaft of required shape and size, as original, balancing the shaft and refitting in pump body complete incl carrying out complete repair / replacement of damaged parts i.e. bearings, bush, gland plate, gland packing, coupling assembly etc and reassembling the pump after greasing of moving parts and reinstallation of the pump with motor in original location using new MS stud, nut, bolt, washer and other packing material etc; checking the alignment; reconnecting the suction and delivery pipes, making proper electric connection, testing and commissioning for smooth operation at optimum efficiency, complete all as directed.

Description same all as per srl item no 7 here-in-above but 5/7.5 HP capacity complete all as specified and directed

Description same all as per srl item no 7 here-in-above but 3/2 HP capacity complete all as specified and directed

M&L in replacement Y-type strainer flanged type as per existing 50/80mm dia, complete all as specified and directed by Engineer-in-Charge. Make : Zoloto/Leader /Zenith / Crescent

M&L in replacement sluice valve flanged type as per existing 50/80mm dia, complete all as specified and directed by Engineer-in-Charge. Make : Zoloto/Leader /Zenith / Crescent

M&L in replacement sluice valve flanged type as per existing 100 mm dia, complete all as specified and directed by Engineer-in-Charge. Make : Zoloto/Leader /Zenith / Crescent

M&L in replacement NRV flanged type as per existing 50/80mm dia, complete all as specified and directed by Engineer-in-Charge. Make : Zoloto/Leader /Zenith / Crescent

M&L for cleaning of all condensor tubes of central AC plant by disconnecting the condensors -02 Nos from the system, cleaning by descaling pump using descaling solution of Make:-MAIC / HIBIRD or Hydrochloric acid 20%, cleaning the system through cooling tower by using descaling solution, cleaning condensor tubes by nylon brushes & mild steel rods of suitable size, renewal of suction water filter for 2x25 TR capacity plant at SCE. complete all as specified and directed by Engr-in-Charge. (Note:- T&P such as pumps, tube etc & descaling solution etc shall be arranged by the contractor at his own cost.)

Taking out old PVC /HDPE fins cooling tower, cleaning inside and outside , refixing PVC /HDPE fins for proper cooling , any size of cooling Tower ,including replacement of Nozzel, complete all including testing complete all as specified and directed.

Quarterly Periodical, preventive & comprehensive maintenance by dis-assembly, repairing, overhauling, servicing & testing of complete inner tank, Elements, inlet and out let pipe, valves of Hot water generator installed at AC plant including descaling, replacement of gaskets complete incl painting with two coat of heat resistant paint of smoke grey colour complete all as specified and directed

S&F in replacement, of three phase heating element capacity 30KW( set of 06 Nos) capacity, ISI marked of existing shape and size suitable for hot water generator and making electric connections and taking down old unserviceable heating elements, complete all as directed. Make : Daspass / Theata/Rapid Cool

Supply only Single phase preventer with Auto switch . Type- Cat No 2.BSP-2, complete all as specified and directed by Engineer - in - Charge. Make- Bentex / Minilec

Supply only MCCB (AC 415 V) with adjustable thermal & adjustable magnetic setting Four pole 400 Amp 36 KA, complete all as specified and directed by Engineer - in - Charge. Make : GE or equivalent C &S /Legrand

Supply only MCCB (AC 415 V) with adjustable thermal & adjustable magnetic setting Four pole 320 Amp 36 KA, complete all as specified and directed by Engineer - in - Charge. Make : GE or equivalent C &S /Legrand

Supply only MCCB of capacity , 250 Amps ,04 pole ,415 V, 36 KA Breaking capacity with fixed thermal magnetic release, complete all as specified and directed by Engineer - in - Charge. Make- GE or equivalent C &S /Legrand

Supply only MCCB 200 A, 4 Pole, 415 V, 36 KA Breaking capacity, with fixed thermal magnetic release, complete all as specified and directed by Engineer - in - Charge. Make- GE or equivalent C &S /Legrand

Supply only MCCB 100 A, 3 Pole, 415 V, 35 KA Breaking capacity, with fixed thermal magnetic release, complete all as specified and directed by Engineer - in - Charge. Make- GE or equivalent C &S /Legrand

Supply only Moulded Case Circuit Breaker (MCCB) (AC 415 V) with adjustable thermal & adjustable magnetic setting Three pole 63 Amp 25 KA , complete all as specified and directed by Engineer-in-charge. Make : GE or equivalent C &S /Legrand

Supply only Moulded Case Circuit Breaker (MCCB) (AC 415 V) with adjustable thermal & adjustable magnetic setting Three pole 40 Amp 25 KA , complete all as specified and directed by Engineer-in-charge. Make : GE or equivalent C &S /Legrand

Supply only Motor protection circuit breaker thermal overload relays suitable for ML contactors relay range 10-16A, complete all as specified and directed by Engineer-in-Charge. Make-Havells/L&T/Legrand

Supply only Power contactor 3 pole Type MNX 18 AC 3 rating 18 A with auxiliary contact 2 NO + 2 NC , complete all as specified and directed by Engineer-in-Charge. Make- L&T/Legrand

Supply only Power contactor 3 pole Type MNX 70 AC 3 rating 70 A with auxiliary contact 2 NO + 2 NC , complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No. ST19002 or equivalent in Legrand

Supply only Power contactor 3 pole Type 3 ML AC 3 rating 40 A with auxiliary contact 2NO + 2NC, complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No - SS90721 or equivalent in Legrand

Supply only Power contactor 3 pole Type MNX 25 A AC 3 rating 25 A with auxiliary contact 2NO + 2NC, complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No - SS90921 or equivalent in Legrand

Supply only Power contactor 3 pole Type 1.5 ML AC 3 rating 25 A with auxiliary contact 2 NO + 2 NC, Cat No - SS91851 Make- L&T/Legrand

Supply and replacement of return air grill aluminium with powder coated white collers of any size complete all as specified and directed.

Supply and replacement of supply air grill MS air control damper of any size complete all as specified and directed.

S&F for Fan Belt suitable for AHU fan as existing type and model complete all as specified and directed

Supply &Fixing for Rotational moulded (3 layered as per IS 12701) polythylene water storage tank cylindrical vertical with closed top hoisted capacity upto 2000 ltrs ISI marked with valid CMLNo and fixed in position complete all as specified and directed by Engr-in-Charge

S&F for sub main wiring with two single core PVC insulated & unsheathed cable 6.0 Sqmm (nominal area) FRLS type multi stranded copper conductor drawn in and including not less than 20mm dia rigid PVC conduit 'medium grade' ISI marked including all conduit accessories for concealed wiring with and including cutting chases and making good of disturbed surfaces & applying finishes & including 6 sqmm FRLS type PVC insulated unsheathed cable multistranded copper conductor as earth wire connected to common earth as per IS including taking down existing complete wiring complete all as specified & directed. NOTE:- (i) Two runs of 6 sq.mm copper conductor, one run of 6 sq.mm copper earth continuity conductor and one run of PVC conduit and with accessories shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

M&L for Sub main wiring complete with 2 runs of 6 sq.mm PVC insulated and unsheathed 1100V grade multistranded FRLS grade copper conductor cable drawn through and including provision of PVC casing / caping 25mm size and connecting terminal ends to DB's including providing 1 run of 6 sq.mm PVC insulated unsheathed multistranded FRLS grade copper cable as earth continuity conductor and connecting to common earth dolly and making good disturbed surfaces to match with existing, complete all as specified and directed. NOTE:- (i) Two runs of 6 sq.mm copper conductor, one run of 6 sq.mm copper earth continuity conductor and one run of PVC casing / caping shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

M&L for earthing complete with galvanished steel earth plate electrode 600x600x6.0 mm thick buried directly in ground and earth pit not less than 2.25 mtr deep below NGL and top edge of the plate not less than 1.5 Mtr deep below NGL, surrounded with adequate qty of char coal dust mixed with salt to a packed thickness not less than 15 Cm on all sides of earth plate incl excavation, earth work, returning filling in , removal of surplus soil to a distance in n.exc. 50 mtr incl GI wire 4mm dia nut bolts etc to earth plate one end connected to continuous earth wire incl 15mm dia GI pipe watering and protection pipe light grade with CI funnel and wire mesh and PCC 1:2:4 type B-1 as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1 duly re-enforced with MS bar 6mm dia @ 150mm C/C both ways with 10mm dia MS bar lifting handles, all as described in electric plate No. 3 of SSR part-I complete all as specified and directed.

Avion Industries (BID ID -3128517)

PITAMBARI TRADERS (BID ID -3127903)

ANKIT SHIP REPAIRERS AND SUPPLIERS (BID ID -3127241)