NIT No-03 EE (SDW) II/ (23-24) Item No. 09

Renovation of Final Settling Tank No.1 along with other works at 45 MGD STP, Okhla by carried out the following works All the required works, materials, arrangements, tools & tackles, workmanship, safety equipment’s as per NHRC\NGT\ DPCC etc. guidelines and as per site requirement, remodeling all the damages up to standard if occurred any complete in all respect as per requirement satisfactorily.

Isolating the Secondary Clarifier by operating Sluice Gate and providing metallic sheet & gunny bags to ensure no flow in the FST. Dewatering the stagnated effluent and cleaning the FST with the help of sump pumps and D.G. Set. De sludging and Cleaning the FST 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 mmfor fit the scrapper arm.

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

Fab./ providing of sets of bottom scrappers of sizes appx 2700 x 200 x 8 mm along with rubber squeezers by making M.S. Plate 5MM.

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

Labour charges for fixing of above scrapper’s 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 S.S 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.

Providing of Red oxide metal primer in 20 kg packing. Make: - Asian/Nerolec/Burger.

Providing of synthetic Enamel paint in Black/Yellow 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 Clarifier after general servicing of starter, making the all electric connections with the help of thimbles, nut and bolts etc as per requirement, testing and commissioning of the same at no load and full load satisfactorily as per site requirement complete. The work also includes contingency charges, providing of heavy labour i/c any risk & cost of the labour etc.

M G Traders and Engineers