NIT No-13 EE (SDW) II/ (23-24) Item No. 01

Repairing of Detroiter No.2 by carrying out the following works:- Isolating the Detroiter from inflowing and out flowing channel by closing sluice gate and providing gunny bags to ensure no flow in the Detroiter. Dewatering the stagnant water from the Detroiter with the help of submersible pump. Cleaning the site manually for execution the work.

Dismantling of complete Detroiter after cutting the fasteners with gas cutter & manual labours & shifting the same from the site.

Dismantling all the gears in turn table after removing the Brocken bearings form the gears and wheels

Overhauling of centre turn table after providing the temporary structure to lift the drive head gear, repairing of drive head gear including remitting and grinding the inside color, checking the trueness and greasing/ oiling the same as required.

Fabrication/ Supply/ Fixing of M.S. squizer blades made out of M.S. angle of size 65x65x6mm approx 80 mtr. & M.S. sheet of size 1 mtr. Long x 150mm app. And 8mm thick approx 10 mtr with rubber squeezer of 100% synthetic rubber. Fixing with nut & bolt i/c drilling hole as per sample.

Repair the main worm shaft including machining the shaft, replacement of bushes and bearing No. 1313 K. Make: SKF/FAG

Repair of Detroiter arms i/c replacement of damaged portion of the structure as per sample and compete in all respect, using MS channel & angle iron of existing size.

Repair of main sprocket set (driver and driven) complete as per required.

Painting of complete Detroiter by scrapping of rust from the structure. Painting with red oxide epoxy paint of underwater portion & upper portion painted with enamel paint with two coats of epoxy paint.

Repairing of Rake Classifier No.2 at 45 MGD, STP at Okhla by carrying out the following works:- Dismantling of complete structure of classifier from the pit channel with the help of heavy labour & crane, cutting the Nut Bolt with the help of Gas cutter, cutting the frame of the main arm. Removing & shifting to the workable place.

Repairing and servicing of Guide Shaft & Pins in terms of shape, size, i/c machining the pins as per bush size.

Replacement the set of GM Bushes both end collared. The job i/c providing the new bushes with, centre/ pins as per manufacturers standard in terms of size & finishing as per shaft.

Providing the nut bolts of different size and hardware goods for the fixing of complete structure on site.

Painting of complete rake classifier by scrapping of rust from the structure. Painting with red oxide epoxy paint of underwater portion & upper portion painted with enamel paint with two coats of epoxy paint.

Testing and commissioning of complete unit with all auxiliary material as lowering/ lifting tools and tackles.

Casmo Traders and Engineers