NIT NO.22, ITEM NO.08 (2020-21)WW-II

Transportation(To & fro) of complete air blower set, motor etc. from Wazirabad Water Works to firm's workshop and from workshop to wazirabad Water Works which includes loading & unloading with the help of moving crane/heavy manual labour arrangement as per site requirement in safe and sound conditions.

Dismantling of Air Blower by removing all the parts one by one as- Bearing Housing-4 Nos, Side Plate-2Nos, Gear-2Nos, Impeller-2Nos, etc. as the blower is totally in Rusted and jammed condition.

Complete Washing of Air Blower casing from inside and outside and its each part one by one with Rust Removing Chemical.

Supply of Bearing No.22308.Make:-SKF/FAG

Supply of Oil Seal

Supply of all Hardware like Nut Bolts, Guide Pin, LN Bolt of Bearing Housing.

Dynamically Balancing of Rotor of the air blower.

Assembly of Complete Blower after Cleaning and replacement of all above mentioned parts. This includes painting of the complete air blower with one or more coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade. Make of paint : Berger/Nerolac/Asian

Dismantling of complete Motor without causing damage to the winding/Insulation of winding of stator and other parts like rotor, bearings etc.

Complete cleaning,varnishing with suitable class F varnish, baking of stator and rotor winding of motor as per standards.

Replacement of Bearings DE/NDE-6312-2RS/6212-2RS.Make:-SKF/FAG

Providing and fixing of connection leads with thimbles.

Assembling and painting of complete motor with one or more coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade as per instruction of engineer-in-charge. Make of paint : Berger/Nerolac/Asian

Supply of V-belt suitable for the pulleys of Blower and Motor side. (1 Set of 3 belts) as per sample.

Dismantling of existing air blower & 40 HP motor from the foundation after disconnection of motor from the electric panel. This also includes dismantling all the allied accessories of blower as Suction and Discharge silencers, Suction Filter, NRV, Safety Valve, pressure gauge, Drive & Driven pulleys, V-belts, coupling set and coupling guard etc.

Fixing of new repaired blower on the base frame on the foundation and fixing of accessories on blower like Suction and Discharge silencers, Suction Filter, NRV, Safety Valve, pressure gauge, Drive & Driven pulleys, V-belts coupling set and coupling guard etc. The job includes installation of new repaired 40HP motor supplied by department and making electric connection of the motor with electric panel & this also includes supply of all the required hardware items to get the job complete.

Renovation of the control wiring of electric panel of Chemical house in all respect. Replacement of faulty parts like MCB, Digital Volt meter, Digital Ammeter, Auxiliary Contacts, Contractors, C.T., ON/OFF Switch, Indicating lights, Door Lock, insulators, heat shrinkable sleeve, Bakelite, nuts & bolts, aluminum thimbles, ferrules, rubber packing etc by new one & rewiring of required part of the panel as required by job and painting of complete panel with one or more coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade. This also includes testing of the panel on full load conditions. Make of switch gear : L&T/Schneider/Siemens/DJB approved. Make of paint : Berger/Nerolac/Asian

Replacement of 400 A, TP, 36 kA, MCCB with Microprocessor Release MTX1.0 (DN3 -400D,L&T) with new MCCB of equivalent specification along with spreaders terminals in existing cubicle panel board including replacing new copper termination of required size and shape as per existing in cubicle panel, making connections, etc. as required. Make: L&T/Schneider/Siemens/DJB approved.

Replacement of Extended Rotary Handle for 400 Amps. TP MCCB (DN3, L&T) ) Make: L&T/Schneider/Siemens/DJB approved.

Replacement of 100 A, TP, 36 kA, MCCB with Thermal Magnetic Release (DN2- 250D, L&T)) with new MCCB of equivalent specification along with spreaders terminals in existing cubicle panel board including replacing new copper termination of required size and shape as per existing in cubicle panel, making connections, etc. as required. Make: L&T/Schneider/Siemens/DJB approved.

Replacement of Extended Rotary Handle for 100 Amps. TP MCCB (DN2- 250D, L&T) Make: L&T/Schneider/Siemens/DJB approved.

Replacement of 63 A, TP, 36 kA, MCCB with Thermal Magnetic Release (DN0- 100 D, L&T ) with new MCCB of equivalent specification along with spreaders terminals in existing cubicle panel board including replacing new copper termination of required size and shape as per existing in cubicle panel, making connections, etc. as required. Make: L&T/Schneider/Siemens/DJB approved.

Replacement of Extended Rotary Handle for 63 Amps. TP MCCB (DN2- 250D, L&T) Make: L&T/Schneider/Siemens/DJB approved.

Supply of 4X 185 sq. mm PVC insulated & PVC sheathed/,XLPE aluminum armoured conductor 650/1100 voltage grade cable confirming to IS: 7098 (Part-I) 1988.Make: Grandlay/Gloster/DJB approved.

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for 4 X 185 sq. mm size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

Supplying and making end termination with brass compression gland and aluminium lugs for 4 X 185 sq. mm size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1.KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Above 95 sq. mm and upto 185 sq. mm.DSR 7.1.3 (2018).

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in -charge.DSR no.15.2.1 Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.Above 95 sq. mm and upto 185 sq. mm (clamped with25/40x3mm MS flat clamp).DSR 7.7.3(2018)

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. (DSR 2018 5.6)

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)5.9

Painting of 3sets of existing installed Blowers and 40 HP motors along with all the allied accessories fitted with the air blower with one or more coats of spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade. Make of paint : Berger/Nerolac/Asian

Testing and commissioning of the complete air blower system on full load condition. This includes painting of complete airline from the air blower up to the exit point of main air line from the panel room by spray painting with synthetic enamel paint of approved brand and manufacture to give an even shade.Make of paint : Berger/Nerolac/Asian

MK ENGG.CO.