MID/AN/139

Transportation of the column pipes of the pumping unit from the site to workshop for repairs using manual labour, mechanical transport, mobile crane etc. Back shifting to site LIS Ranjan after repairs, unloading. Complete job.

Turning on lathe of bore of the pipe at coupling/pipe assembly end to remove the worn-out metal seating for arm shoes of Guide spider/ bearing holder, old worn-out seating is MS flat rolled to shape & full fillet welded inside of bore to be removed and finished/ polished to pipe surface with the help of necessary tools, attachments etc. Fabrication of new seating out of MS Flat 100 x 16 mm thick rolled to pipe bore shape /size of 500 mm outside dia with ± allowances as per actual. The seating is to be welded with full fillet welding in position with reference to that of guide spider / bearing holder to ensure proper seating of its arm shoe with tight fit. It includes removal of burrs and rounding off of seating edges properly to ensure appropriate fitting in position of the guide spiders. Job includes cost of material, consumables, labour, hire charges of tools & Tackles/attachments.

Fabrication, and fitting at site line shaft 70mm x 2150mm long made of SS AISI- 410 grade duly machined and finished to size along with machining of keyways of size 90mm x 20mm x12 mm on either side for fitment of muff couplings.

Providing and fitting of M-24 x 90 mm hexagonal headed bolts for assembling of column pipes @ 16 x 8 (flanged joints) -128 nos. including insertion sheets to ensure water tight joints at specified pressure head. Complete job includes cost of material, consumables, labour, hire charges of tools & Tackles.

Fabrication, providing and fitting at site C.I. stuffing Box set along with rubber bush bearing, cover for rubber bush bearing, screws and washers as per sample.

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M/S PERFECT ENGINEERING WORKS