NIT NO. 18 (2021-2022) EE(SDW)VI / Item No.9

Renovation of FST No.4 at 40 MGD STP Nilothi Phase-I with following works: -Isolating the FST from inflowing and our flowing channels by closing sluice gate and providing gunny bags to ensure no flow in the FST. De-watering the stagnant water from the FST with the help of submersible pump and cleaning the site manually execution the work.

Dismantling of motor and Reduction gear box from the top of turn table by removing of nut bolts etc. removing of bronze worm shaft from the gear box. And other mechanical Fixtures from the top of center mechanism and shifting to workable safe place

Dismantling of Turn table and other mechanical fixtures from the top of centre mechanism and shifting to workable safe place With Shuttering arrangement for above the turn table cartage of M.S pipe, M.S plate, Nut Bolts, Brocket from the shuttering material site at STP

Dismantling and taking out the worn-out scrapper arms (both) with the help of gas cutter, man power, and lowering lifting tools and tackles as per site requirement.

Making temporary plate from in the FST around the central caze with all T&P as thrust supports jacks, MS pipe, MS plate, rope wire completes with all safety equipment

Repairing of scraper arm by cutting of worm out member of arm with gas cutting and fixing of new M.S angle of size 65 x 65 x 6 mm & 75x75x5mm approximate 300 kg weight different length is to be welding in proper support arm, as per manufactured standard

Providing & fixing of chain coupling sprocket wheel & SS chain set made out exactly as per shapes. size & MOC of sample.

Rehabilitation of existing Turntable assembly for noiseless trouble operation of the Turntable including supply of components and job work as required but not limited to the following: repairing / overhauling and housing straightening repair, machining, polishing and levelling of bevel gear and complete centre mechanism-welding of complete worn-out housing using special purpose electrode, machining -hardening of complete seat by flame surface hardening --Repairing of the seat in both portion of turntable of housing in both portion of turntable of housing by special type welding material as repairing of seat in bottom of centre mechanism of boll bearing housing by special type bearing steel welding material rods and welding of complete worn-out ball housing making proper machining and smooth finishing after the complete bearing seat into hard by flame(temping) surface hardening of bearing ball in appx. 2MTR Dia in round shape as per job requirement repairing of the seat in top part of centre mechanism housing by special type bearing material steel welding rods welding of complete worn-out ball housing making proper machining and smooth finishing on vertical boring machine and after this complete bearing seat into hard by flame surface hardening of bearing ball housing in appx. 2MTR Dia in round shape also making.

Providing / fixing of tie bolt made from SS the size of tei bolt 40 mm dia x 300 mm long with 4 no. nuts adjuster of arm of bottom level of FST

Providing / fixing of M.S scraper made from MS steel of 6 mm thick from MS plate of size 300 mm width x 3 mtr long with Rubber squeezes of size 100 mm x 300 mm x10 mm thick.

Repair/Replacement of Center caze by replacement of MS Angle of Size 100x100x10mm in length of 6 mtr along with cross member and MS plate 300x300x10mm in balancing way with center mechanism in all respect.

Repairing of reduction gear box with replacement of worm shaft of main gear to replacement of all damaged bearing with worn out garari machining of complete body to help of lath machine to replacement of all damaged mechanical parts with required oil complete in all respect.

Providing /Fixing of scum box as per existing size made out from sheet, pipe i/c providing the heavy duty out let pipe, flange with nut bolts & gasket i/c fixing the box at site with the help of angle/channel after alignment the scum box with the help of chain pulley block / men power.

Strengthening the bridge with replacement of damage, Angle iron / supports/ vertical arm and walkway check yard sheet i/c cutting the existing sheet with the help of gas cutter & shifting the same from the site. Fixing the new sheet 6 mm thick with the help of electric welding.

Erection of the complete structure FST after assembly/ fixing the above material with provision of weight to align the same

Painting the complete FST structure after removing the rust with the wire brush and painting with one coat of epoxy primer and two coats of enameled paint.

Alignment, Testing & commissioning the complete FST after completion in all respect on No load/Full load.

SANJAY SALES CORPORATION

P.K. Electricals

VS ENGINEERING COMPANY