Maintenance of different LI _ DTW scheme under Mandwi R. D. Block during the year 2025-26/SH_ - Repair _ mtc. of pump-motor, suction-delivery _ electrical accessories etc. (Job No. TR/86/Minor Works/WRD-I/2025-26)

Dismentling of pump for over hauling including greasing, gland packing, necessary repairs & reinstallation of the same including trial run for 10 hrs. in two spell complete as per direction of the Engineer-in-Charge. i) For LI

Providing & fitting fixing coupling nuts & bolts (all Size) of approved quality. i) For LI

Providing & fitting fixing coupling rubber bush (All Size)of approved quality. i) For LI

Providing & fitting fixing coupling star bush (All Size) of approved quality. i) 150 mm dia

Providing & fitting fixing Shaft sleeve bush of approved quality. i) For LI (Cast iron)

Providing & fitting fixing Shaft sleeve nut of approved quality. i) Cast iron

Providing & fitting fixing C.I. gland of approved quality. i) For LI

Providing & fitting fixing Gland nut / Stag nut 100 mm long for gland of approved quality. i) For LI

Providing & fitting fixing Lantern Ring for pump of approved quality.

Supply & fitting fixing ball bearing of approved quality for pump required during overhauling. i) 6206 Ball bearing (TATA /SKF)

Providing and fixing G.I. Bend /elbow in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. a) 150 mm dia

Providing & fitting fixing of GI flange (10 mm wall thickness ) by welding with GI/MS pipe and placing position as per specification and direction of the Engineer-in-charge. i) 150 mm dia

Providing & fitting fixing Rubber flange washer 6 mm thick at site of work of approved quality. i) 150 mm dia

Providing & fitting fixing C.I tail piece of approved quality at site of work. i) 150 mm dia

Providing & fitting fixing foot valve leather washer (6 mm thick) of heavy duty at site of work of approved quality. i) 150 mm dia

Providing & fitting fixing C.I foot valve spare parts of 125/150 mm dia at site of work of approved quality. A) C.I foot valve weight

B) C.I foot valve ring

C) C.I foot valve net

Providing and fixing C.I. non-return valve of approved quality as per CPWD specification and direction of the Engineer in charge. i) 125 mm dia nominal bore

Supplying & fitting fixing of spare parts for 20/25 HP Horizontal motor. A) Motor fan

B) Terminal plate

Supplying and fitting fixing of thermal timer type GT 200 ( 230/250 V, 360 V, 400/440 V, 500 V, 50 Hz for 5-18 secs range) suitable for Fully Automatic Star Delta type Motor startar L&T ,BCH, Havells make as per direction of Engineer-in-Charge.

Supplying and fitting fixing of spare coil, type ML 1.5/2.0/3.0/4.0/6.0 range suitable for Fully Automatic Star Delta type Motor startar L&T,BCH, Havells make as per direction of Engineer-in- Charge. i) Type ML 1.5

Supplying and fitting fixing of Thermal overload Relay, relay range 20-32, & 28-42, directly operated suitable for Fully Automatic Star Delta type Motor startar L&T ,BCH, Havells make as per direction of Engineer-in-Charge.

Providing and fitting fixing PVC suction hose pipes of wall thickness 6 mm. as per relevant IS specification and direction of Engineer-in-charge. i) 150 mm dia

Providing & fitting fixing C.I foot valve of heavy duty at site of work of approved quality. i) 150 mm dia

Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses). Triple pole with Neutral Link ( TPN ) , 415/500 Volt complete as per direction of the Engineer-in charge. a) Current range 63 Amps

Providing and fitting fixing of Fully Automatic Star Delta type Motor starter ( 3 ph. 50 Hz, 415v, 25HP /18.50 kw Relay range within 17-25 ) in Steel Sheet Enclosures with Contractors and Timer etc. complete suitable for motor Pump Havells/L & T/BCH make direction of the Engineer-in-charge. i) 25HP / 18.5 KW relay range within 13-21+10%

Supplying and fitting fixing 7/16 PVC insulated copper wire with all electrical equipments in/c trial run etc. complete (ISI marked) on the panel board of approved quality.

Providing and fitting fixing of Moulded Case Circuit Breaker (MCCB) of different Thermal release range, 415 + V, 50 Hz (L&T, BCH, ABB make) as per specification and direction of the Engineer-in-charge. i) 63-80 Amps

Supplying & fitting fixing power capacitor (ISI Marked) of approved quality. i) 12.5 KVAr power capacitor

Providing and fitting fixing of brass fullway valve with handle in the GI pipe line including cutting, threading etc. complete as per CPWD specification and direction of the Engineer - in- charge. i) 40mm dia

Rewinding of Horizontal Motor suitable for centrifugal pumps by complete dismantling in/c providing & rewinding with Super enamelled copper conductor (as per IS : 13730 Part-3) conductor & all necessary spare parts and reassembling the same including servicing of rotor & necessary trial run as per specification and direction of the Engineer-in-charge. a) 20 HP

Supplying & fitting fixing of submerssible cable(copper) of size upto 12mm of approved quality as per direction of the Engineer-in-charge

Labour charge of lifting of 5,000 to 20,000 GPH water lubricated vertical submersible pump with motor including column assembly upto 100 feet with heavy duty chain pulley and block as per direction of the Engineer-in-charge.

Labour charge for lowering & fifting fixing of 5,000 to 20,000 GPH water lubricated vertical submersible pump with motor including column assembly upto 100 feet with heavy duty chain pulley and block and making necessary electrical connection with main switch /starter with motor in/c trial run for 10 hrs in two spell complete as per direction of the Engineer-in-charge.

Repair and maintenance of 15 HP / 17.5 HP Motor suitable for 7500 GPH capacity submerssible pumpset by complete dismantling in/c providing & fitting fixing of PVC ( IS : 8783-1978 ) insulated electro grade copper ( IS : 613-1984 ) conductor winding in stator & all necessary spare parts and reassembling the same including servicing of rotor & necessary trial run as per specification and direction of the Engineer-in-charge.

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