NITNo25ItemNo1

Cleaning and desilting of FST No. 1 after drain with sewage submersible pump and accessories as per site requirement.

Making special arrangement by providing of chain block / Mechanical/Hydraulic jacks with statically/vertically M.S. / wooden support to lifting the bridge for removing of turn table and arrangement of deploying technical staff heavy labour and safety equipments etc as per site requirement. This includes the loading, unloading cost of arrangement.

Dismantling / Removing of motor, gear box, starting drive assembly with worm gear, worm shaft, pinion gear and other mechanical parts, top plate of centre mechanism and other fixed plate and taking out from the FST by special type tripod, T&P, tools and tackles etc as per site requirement.

Dismantling/Removing of turn table from the base and bridge and MS center structure after cutting of all rusted nut-bolts. Lifting and holding the bridge by special arrangement (mentioned sn.2) with balance by welding process by deploying technical staff as per site requirement. Also includes loading/unloading transport charges of turn table plant to workshop to & fro.

Repairing of turn table by cutting/removing of old damage liner by lathe machine, making groove for fixing of new liner & final machining to make proper size for fixing of new boll and new liner.

Repairing of starting drive assembly making of bearing seat in housing and of worm shaft, pinion shaft with welding & machining work, replacement of GM Bush, oil seal.

Replacement of new boll of existing size.

Replacement of chain as per sample.

Replacement of sprocket as per sample.

Repairing/Servicing of gear box by replacement of oil seal, oil, nut bolts and packing kit. Repairing of worm shaft by rementiling and complete machining to make the bearing seat.

Providing of nut-bolts as per site requirement.

Re-fixing of complete repaired turn table with starting drive assembly and all internal parts on its original position at proper level with alignment. Removing of all wooden and MS. support to fixing the bridge and MS center structure with turn table by deploying technical staff/labour with tripod, chain block, T&P tool & tackles etc as per site requirement.

Re-fixing of motor and gear box with other parts on its original position with proper alignment with the help of necessary tool & tackles etc as per site requirement.

Repairing of walkway of FST by replacement of damaged MS chaqured sheets and support at lower side includes the cost of dismantling of old damaged sheets with supports and fixing of new same as per site requirement.

Fabrication & fixing of new M.S. scrapper made out of MS sheet of 6mm thickness of existing size along with rubber squeezer of 100% synthetic rubber, nut bolts and drilling holes etc as per sample. The job includes dismantling of old damaged M.S. Scrappers by cutting with gas cutter & taking out from clarifier with the help of rope etc by manual labour.

Strengthening / Repairing of arm by cutting of damaged M.S. angle and re-fixing of new M.S. angle of size 75x75x6mm and 65x65x6mm required length making proper balancing of arm with bridge by welding etc as per required by job.

Strengthening / Repairing of M.S. center structure by providing / fixing of M.S. angle of size 75x75x6mm and 100x100x6mm. for fixing in horizontal and vertical position and tightly fixing with nut-bolts and welding after cutting and removing of old damage portion M.S. angle by gas cutter to make the strengthening of structure in proper level with alignment position.

Strengthening / Repairing of M.S. drum by dismantling of damaged worn out portion of drum and providing / fixing of new same by required MS channel, sheet and angle with proper fitting the job includes cutting, welding, grinding and finishing of edges.

Providing & fixing of new full threaded stud of Tie rod as per sample.

Painting and primer charges of complete work.

Testing & commissioning of complete trail run of FST on full load.

Ganesha Engineering Associates