Mechanical repair works to be carried out for 3-Stage, 5 Cusec Bowl /Pump Assembly of WPIL Make extracted from Unit No-4 (Standby Bowl) at New V T Station for WSS Doodh-ganga.

Amount

3-stage, 5 cusec Bowl/Pump Assembly of WPIL make

Loading of the damaged 3-stage, 5 cusec Bowl/Pump Assembly already extracted from Unit No. 4th (Standby Bowl) using private load carrier from site and shifting to the private Workshop for necessary repair/replacement work with all leads and lifts thereof included. Disassembling the Bowl assembly at Workshop, the job includes opening the bolts of bowl joints and then dismantling of bowl casing /stages followed by extraction of impellers from housings, damaged/broken / worn-out sleeves, wearing rings, collets, bearing bushes etc. from the damaged shaft to rectify the faults and to carry out necessary repairs using skilled personal, tools and tackles required.

Providing, fabrication and fitting of New Stainless Steel 410 grade Impeller Shaft of having OD=55 mm Length= 1.98 meters (approx.)/ as per existing sample. The Shaft has been made precisely machined at various required segments to accommodate Impellers, impellers lock Collets, bearing bushes etc. using skilled labour, tools and tackles. The Job includes making of impeller seats for fitment of SS impellers at required position of the shaft. The job also includes fabrication of threads 65 mm in length from upper side of the shaft for fixing of Coupling Sleeve after reducing the upper portion to 42 mm dia for 350 mm length/as per sample. The job includes finishing of the shaft to size for proper fit in two stages of the bowl assembly by way of cutting, turning and finishing processes. The job also includes checking of alignment of shaft on the lathe for proper fitment in the bowl housing/stages by way of cutting, turning and finishing process of machining.

Providing, fabrication and fitting of Gun Metal Shoulder Ring having ID= 200 mm and OD= 212 mm and width of 50 mm /as per sample, fabricated out of suitable hollow casted GM bar. The job includes making of Seat and collar for fitment in bowl stages and on impeller shoulders respectively by way of using cutting, turning and finishing processes of machining. The job involves engagement of skilled labour, precise tools and tackles as required for carrying out the job.

Providing, fabrication and fitting of G.M CUTLESS BEARING bush including [Rubber Stabilizer bush as per required size] inside it as per requirement of dimensions ID= 55 mm, OD= 75 mm and length 75 mm to be press fitted in intermediate bowl parts/stages and bottom end of upper inter bowl part/stage fabricated out of suitable hallow casted G.M bar by way of cutting, turning, finishing process of machining and engaging skilled labour, tools and tackles required for this precise Job.

Providing, fabrication and fitting of G.M CUTLESS BEARING Sleeve as per requirement of dimensions ID= 52mm, OD= 80mm and length 200 mm to be press fitted in Suction Bell/ mouth assembly part fabricated out of suitable hollow casted G.M bar by way of cutting, turning, finishing process of machining after extraction / cutting of worn-out sleeves by way of engaging skilled labour, tools and tackles required for this precise Job.

Providing, fabrication and fitting of G M SCREW BEARING bush/sleeve having ID= 55 mm, OD= 90 mm, and 200 mm long /as per sample fully threaded outer side to whole length and fabricated out of suitable hallow casted G.M bar by way of cutting, turning, finishing process of machining including making of threads of the screw bush/bearing as per requirement by way of engaging skilled labour, tools and tackles required for this precise Job.

Providing, fabrication and fitting of Stainless-Steel frustum type Impeller LOCK COLLET as per sample having length 90 mm ID= 55 mm and OD=68 mm fabricated out of suitable Solid SS round cylindrical bar by way of turning, boring, cutting and finishing /machining process. The job involves Cutting of impeller LOCK COLLET around slanted portion to be press fitted for locking the impellers on bowl shaft by way of engaging skilled labour, tools and tackles required for this precise Job.

Providing, fabrication and fitting of MS socket internally threaded in anti-clock wise direction of length 100 mm ID= 40mm and OD= 55 mm to fit on line shaft /as per sample.

Repairs to damaged/broken suction bell flange end piece using C I welding electrodes by way of engaging skilled labour, tools and tackles required for this Job.

Shifting of the repaired assembled bowl back to site in a private load carrier from private workshop. Reinstallation it with column pipes, line shafts discharge head, intermediate stool, ratchet assembly and fitting it with 180 KW V.T motor followed by Connecting it with 3 Phase AC supply and finally testing on full load at site.

M/S M M ENTERPRISES