NIT No-07 EE (SDW) II/ (23-24) Item No. 02

Renovation/Overhauling of Clarisettler Tank having capacity 0.66 MGD at Molar Band STP by carrying out the following works:- Isolating the Clarisettler Tank by closing sluice gate and providing gunny bags to ensure no flow in the Clarisettler Tank. Dewatering the stagnant water and cleaning the Clarisettler Tank, tube settler media with the help of submersible pumps and De-Sludging, desilting and cleaning the Clarisettler Tank manually for execution the work.

Making temporary platform as safety measures on the sides of the central cage as per site requirement of drive head.

Dismantling of rusted/corroded bottom scrappers along with arms with the help of Gas Cutter, all tools & tackles.

Fab./Providing of M.S. Angle Iron of sizes 90mm x 90mm x 10mm and in a length of 24 meter for scrappers Arms.

Fab./Providing of Bottom Scrappers of sizes appx. 2700 x 200 x 8 mm along with Rubber Squeezers & M.S. Flat.

Providing of M.S Nut Bolts of different sizes.

Labour charges for fixing the above M.S Angle Iron for scrapper Arms, Bottom scrappers along with squeezers i/c making hole for tightening of Nut Bolts i/c all welding & cutting work.

Fab./Providing the channel/ Nalli fabricated from ISO resin of approx. 10’ length 6” breadth 7” height.

Fab./Providing and fixing the nut bolts as per sample for fixing the channel/ Nalli after drilling in RCC with power hammer including all civil work with all tools and tackles.

Providing and fixing of Tie Rod with support as per sample.

Fab./Providing and fixing of Octagonal Drum by using 8 mm thick ms sheet having size 1 meter length and 3 meter height.

Fab./Providing and fixing of M.S. Angle Iron of size50x50x6in length of 24 meter and MS channel of size 150x75 in 24 meter length for Octagonal Drum.

Fab./Providing of Middle Drum made of 8 mm thick MS sheet having size 1.20 meterdia and 1 meter height.

Fab./Providing of Inner Drum made of 8 mm thick MS sheet having size 0.70 meter dia and 1 meter height.

Painting of the complete structure by carrying out following works: - Providing of Red oxide metal primer in 20 kg packing. Make: -Asian/Nerolec/Burger.

Providing of synthetic Enamel paint in Black/Red Colour in 20 Ltrs. Make: - Asian/Nerolec/Burger

Painting of the complete structure after removing of rust with brush with one coat of primer & two coat of enamel paint i/c petty items.

Testing and commissioning the complete Clarisettler Tank after completion in all respect on no load / full load.

Aqua Mech Systems

JAI DURGA ENGINEERS AND CONTRACORS

MITTAL TRADING COMPANY