Providing, fitting, fixing of electrical accessories, earthing, spares of panel board for upgrading the existing DTW schemes different capacities pump motor sets under the jurisdiction of DWS Sub-Division Jolaibari during the year 2025-26.

Providing & fitting fixing of 2500GPH - 76 mtr head water lubricated submersible pump motor set of maximum 150 mm outer dia with maximum 10 (ten) stages coupled with required wet & non-over loading sub-mersible motor suitable for 340-440 volt 3 phase 50Hz A.C supplied star delta method for starting along with 35 meter x 1 x 2 x 3 x 2.5 sqmm jointless single length flat cable(continuous length) of suitable size fitted with submersible motor, suction case,stainer,coupling key, vertical non return valve cum discharge case in/c supplying of 10 nos suitable guard with clips & nuts and bolts ,02(two) pair MS Column clamps in/c installation of pump/motor upto the depth of 100ft by GI Pipe(conforming to IS:1239 medium class) for column assembly (Excluding the cost of GI Pipes) as per direction of the Engineering -in-Charge conforming to the terms & conditions of the contract (each pump with motor shall consists of stainless steel closed type impeller, I bowl,CI discharge casing,pump shaft(stainless Steel),bush bronze,shaft sleeve(bronze/chromium),sand guard wideing,motor stator,counter thurst plate, thrust bearing segment etc conforming to relevant BIS codes.

Providing & fitting fixing of 5000GPH-76 mtr head water lubricated submersible pump motor set of maximum 150 mm outer dia with maximum 10 (ten) stages coupled with required wet & non-over loading sub-mersible motor suitable for 340-440 volt 3 phase 50Hz A.C supplied star delta method for starting along with 35 meter x 1 x 2 x 3 x 4 sqmm jointless double length flat cable(continuous length) of suitable size fitted with submersible motor, suction case,stainer,coupling key, vertical non return valve cum discharge case in/c supplying of 10 nos suitable guard with clips & nuts and bolts ,02(two) pair MS Column clamps in/c installation of pump/motor upto the depth of 100ft by GI Pipe(conforming to IS:1239 medium class) for column assembly (Excluding the cost of GI Pipes) as per direction of the Engineering -in-Charge conforming to the terms & conditions of the contract (each pump with motor shall consists of stainless steel closed type impeller, I bowl,CI discharge casing,pump shaft(stainless Steel),bush bronze,shaft sleeve(bronze/chromium),sand guard wideing,motor stator,counter thurst plate,thrust bearing segment etc conforming to relevant BIS codes.

Providing and fitting fixing with PVC insulated 3 core flat Copper cable conforming to relevant IS code for submerssible motor with all necessary equipments and fittings as required as per specification and direction of the Engineer-in-charge.

i) 2.50 Sqmm

ii) 4.00 Sqmm

iii) 6.00 Sqmm

iv) 10.0 sqmn

Providing & fabrication of column pipe including fitting fixing of G.I. flange by cutting the GI pipe ( conforming to IS : 1239 medium class ) into 3.05 mtr. long and welding the same with GI flange as per specification and direction of the Engineer-incharge ( G.I. pipe will be provided by the agency at his own cost & risk).

(ii) For 65 mm dia G.I. pipe with 10 mm thick GI flange

(ii) For 80 mm dia G.I. pipe with 10 mm thick GI flange

Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses), triple pole with Neutral Link (TPN), 415/500 Volt, L & T / Havells / BCH make etc. complete as per specification and direction of the Engineer-in-charge.

i) 63 amps

ii) 100 amps

Providing and fitting fixing of Fully Automatic Star Delta type Motor starter ( 3 ph. 50 Hz, 415V, in Steel Sheet Enclosures with Contractors and Timer etc. complete suitable for submersible Pump L & T, BCH, ABB make as per specification and direction of the Engineer-in-charge.

i) 25 HP/18.5 kw Relay range within 13-21 + 10%

ii) 35 HP/26 kw Relay range within 20-32 + 10%

Providing and fitting fixing of 6 feet x 4 feet x 1 inch (thickness) Gamair wood / plywood pannel board for fitting fixing of electrical items, in/c 2 nos MS angle post ( size 2 inch x 2 inch x 9 feet ), nuts & bolts etc. for irrection of the same by 1:1.5:3 cement concrete casting ( 1 feet x 1 feet x 2 feet) below the ground level and painting two or more coats & plastic paint as per specification and direction of the Engineer-in-charge.

Providing and fitting fixing with PVC insulated single core multistrand Copper cable conforming to IS : 694 for inter connection with all electrical equipments of the pannel board as per specification and direction of the Engineer-in-charge.

i) 10 sqmm

ii) 16 sqmm

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

Providing earthing with perforated 40 mm dia G.I. pipe (Mediumclass) ( 12 mm dia perforation ) , 2.50 mtr. Long , laying of 4 mmdia GI wire from earth electrode to panel, including excavating holeof 600 mm dia and refilling with Salt and Charcoal / coke inalternate layers of 300 mm , as per standard specification anddirection of the Engineer-in-charge.

i) For single phase connection 2.5 mtr long G.I pipe

ii) For 3 Phase connection with 4 mtr long G.I pipe

Providing and fitting fixing of Miniature Circuit Breaker (MCB) of different Thermal release range , 415 V, 50Hz, 3 pole (L & T make) as per specification and direction of the Engineer-in-charge. i. 63 Amps

Providing and fitting fixing 3 phase indicating lamp fiited with panel board with three different colour lamps with batten holder complete as per specification and direction of the Engineer-in-charge.

Providing and fitting fixing heavy duty box type (Resin filled) power factor correction capacitor L & T make etc. complete as per specification and direction of the Engineer-in-charge. i) 5-15 kVAr 440 V

Providing & fixing of bimetal over load relay of L&T type MN5 relay range 20-33/30-45 etc. complete as per direction of the Engg-in-charge.

Providing & fixing of 3 pole power contractor type ML of L&T (3 ph, 415 Volt & 50 Hz) etc. complete in all respect as per direction of the Engg-in-charge.

i) ML 2 (cat no- SS90701)

ii) ML 3 (cat no-SS90721)

Providing & fixing of spare kit without coil of L&T for ML series starter etc. complete as per direction of Engg-in-charge.

i) ML 2 (cat no- SS95301)

ii) ML 3 (cat no-SS95309)

Providing & fixing of spare coil of L&T for ML series starter etc. complete as per direction of Engg-in-charge. (a) ML2/ML3

Supplying and fitting fixing Electronic Timer Type ST-100 (L & T make) suitable for 240/300/415V, 50 Hz having ranges for 3-30 Secs/12-120 secs.

Providing of Cut Out as per direction of the Engg in charge.

i) 100 Amps Cut Out

ii) 200 Amps Cut Out

Supplying of ISI marked /Tapria marke tools for water supply scheme. Screw driver Set

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