NIT No. 11 item No 2

Dewatering/De-silting of sludge from inside portion of PST with the help of 30 HP sludge pump sets. Work includes lowering of pump sets by making special lifting / lowering arrangement on the centre of PST bridge. Removing & taken out the mud/ malba / earth from the PST central pit by using buckets / Phawarah etc. as required by manual labour and removing of plastic / floating material & both Arms along with scraper & vertical structure, drum etc. by manual labours and disposal of the same as per direction of Engineer-in-charge. Work also includes laying of temporary electrical cables and installation of Electrical starters for operation of pumping sets and making of electrical connection from electrical source available at nearby area and taken out the pumping sets with all accessories. After completion of desilting of sludge & cleaning then disconnecting the electric supply from the available source

Repairing of drum by replacement of damage worn out MS sheet in round shape with dia of 6 mtr. & length upto 150 mm as per site requirement.

Making of proper shuttering arrangement for working around the turn table with the help of wooden Balli, Rassa and other arrangement including cartage, hiring of shutting material, loading & unloading & fixing / dismantling labour charges for 15 days minimum

Making of support for drum which is clamped / bolted with turn table. The support should make in such way to hold the drum in proper position from the level of approx. 25 feet above the bottom floor by making proper mechanical jack and support dismantling the drum from the turn table and making of support from bottom to vertical arm support with bolted system of scrapper of both arm of approx. 15 mtr. Long with scum arm holding arrangement to support of vertical member by jacking etc. And making proper wooden sleeper in four corner in the pit of PST where scrapper in moving.

Repairing of Main Gear Box Drive arrangement of PST by replacing of bearings, oil seal & also repairing of worm gear etc. as required by job.

Dismantling of complete centre mechanism by making proper arrangement for vertical structure support & taking out main gear, checking of liner, balls etc. as required & also removal of Turn Table from the base of RCC structure. Repairing of all damage foundation bolts by making proper support to lift the centre mechanism from the RCC structure & also fixing of new foundation bolt & CC work as required by job & refixing the same after proper foundation etc. as required. This includes the greasing of bolts, mobile oil as required.

Repairing of Bearing seal & fixing of Bottom Bearing of Turn Table which is fixed in bottom of Turn Table etc. as per site requirement

Repairing of complete scum arm.

Repairing of scum platform.

Repairing of scraper by replacement of squeezes, nut bolts etc. as required.

Repairing of Baffle plate of PST of refixing of damage baffle plate with new bolt & fixing arrangement of MS structure circumference of PST as required.

Complete painting.

Testing and commissioning charges

V.K. ENTERPRISES