NIT No-24 EE (SDW) II/ (22-23) Item No. 16

Renovation Walkway of Final Settling Tank No.1 along with other allied works at 45 MGD STP, Okhla by carrying out following works: - All the required works, materials, arrangements, tools & tackles, workmanship, safety equipment’s helmet, safety goggles, safety belt and all required safety equipment 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 engineer in charge.

Isolating the FST 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 FST with the help of sump pumps and D.G. Set. De sludging and Cleaning the FST for execution of work.

Dismantling of centre control Gear Box along with motor, cutting of fasteners with the help of Gas Cutter and shifted these to a safe workable place.

Providing of gear oil No. 320. Make: - Servo.

Making temporary platform with required pipe and angle as safety measures around the both side of bridge and making jall of nylon rope for safety the men and material with as per site requirement at site.

Dismantling/ Cutting of worn out/ corroded M.S. sheet of walk way, angle Iron along with bottom of bridge with the help of gas cutter, all tools & tackles with safety equipment as per requirement at site.

Providing of different type M.S. Angle Iron of size 65 x 65 x 8 mm. approx 25 meter, size 75 x 75 x 8 mm approx 50 meter size 50 x 50 x 5 mm approx 80 meter, size 90 x 90 x10 mm approx 60 meter for strengthening of bridge.

Providing of M.S. nuts & Bolts of different sizes. Make:- GKW/ Unbrako

Labour charges for fixing of different type of angle iron in bridges making hole for tightening of nuts & bolts i/c with welding works & cutting works etc as per requirement of site.

Providing the Tie Road for supporting the scraper arm.

Fixing of above Tie Road on both side of Central Drum for Holding the Scrapper Bridge with adjustment Assembly.

Providing of M.S chequered sheet having 8 mm thick

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

Fabrication the setting arrangement near main control gear box by the M.S chequered sheet and M.s pipe for the safety men and material at the time of regular maintenance by the staff.

Re-Fixing of center control Gear Box along with motor, with new fasteners with the help of required material etc.

Dismantling of 300 mm. dai. sluice valve installed at sludge line in 20 feet deep chamber by theRemoving the parts from sluice valve body after cutting/opening of nut bolts like spindle nut flap etc. with all tool & tackles etc. as per requirement at site.

Repairing of C.I. doom gland housing by P/fixing of new C.I. bush after bouring machining.

Providing the of 300 mm. dia. S.S spindle with nut as per sample.

S/o Neoprene packing

Refitting of sluice valve by above parts fixing of new nut bolts, packing testing on load.

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

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

Providing of synthetic Enamel paint in deep orange 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 platform form FST.

Raj Engineering Co.