NIT No-17 EE (SDW) II/ (20-21) Item No. 7

Renovation of primary settling tank No. 3 along with other works at 37 MGD STP, Okhla by carrying out following works:- Isolating the Primary Clarifier by operating Sluice Gate and providing metallic sheet & gunny bags to ensure no flow in the PST. Dewatering the stagnated effluent and cleaning the PST with the help of sump pumps and D.G. Set. De-slugging and Cleaning the PST for execution of work.

Dismantling of electric motor, primary & secondary gear box and other mechanical accessories from the top of center mechanism after disconnection from main electric supply and shifting to workable place.

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

Dissembling of primary reduction gear box.

Providing of worm gear, pinion, bushes and wheel fabricated as per sample in respect of size & finishing.

Providing/Fixing of set of bearings comprising bearing 7306 – 2 Nos. 7204 – 2 Nos. & 32216 – 2 Nos. Make: - SKF/FAG

Re-fixing of primary & secondary reduction Gear box after resembling the all above parts and alignment with motor, fixing of oil seal, filling of oil.

Providing of gear oil 320. Make: - Servo.

Renovation/ Strengthening of Both scrapper Arms Bridges along with scrappers by carrying out following works:-Dismantling of worn out bottom scrappers along with arms with the help of gas cutter, all tools & tackles.

Providing of M.S. Angle Iron of size 90 x 90 x10 mm for fit the scrapper.

Fab./ providing of sets of bottom scrappers of sizes appx 2700 x 200 x 8 mm along with rubber squeezers & M.S. Plate.

Providing of M.S. nuts & Bolts of different sizes.

Labour charges for fixing of above scrappers arms, bottom scrappers with squeezers making hole for tightening of nuts & bolts i/c all welding & cutting works.

Providing/fixing the Tie Road with support assembly

Dismantling of worn out V-notch of rusted not bolts with the help of gas cutter, all tools &tackles. .

Providing the nut bolts as per sample for fixing the ‘V’ notch.

Fixing the V-notch in FST after drilling in RCC with power hammer including all civil work with all tools and tackles.

Cutting of worn out/ corroded M.S. sheet of walkway with the help of gas cutter, all tools & tackle.

Providing the M.S. channel of 125X 65 mm approx 25 meter and M.S Angle 65X65X6 mm approx 25 meter

Providing of M.S chequered sheet having 8 mm thick

Fixing of above M.S. chequered sheet with M.S Channel and M.S angle on the walkway bridge by cutting welding with required size.

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 & Commissioning of complete unit on No Load/Full Load after removing gunny bags and temporary plate form.

Shakti Trading Co.

Jal Dhara Engineers India

Goodwill Enterprises

paramount systems