TTPS Operation circle MPM II ACP Renewing the damaged roof concrete support of MS structure of the Air washer water chamber area at Unit IV

Charges for dismantling the existing spray pipes with spray nozzles and end cap dia 40 mm, length 2750 mm, Total quantity 150 Nos. from the couplings of the water header pipes in water chamber of air washer Unit IV located at 10.5 Mtrs. floor by cutting / Unscrewing the pipes and retain in the air washer pump room as per the direction of Engineer in charge. (The Rates including the cutting gas , T& P hire charges , Scaffolding arrangements and all other consumables under contractor scope)

Charges for dismantling the existing damaged spray header pipes and existing corroded frame of Unit IV Air wash by cutting, removing and devoluating the damaged materials to scrap store.(The rates includes all consumables, scaffolding arrangements).

Charges for fabrication and erection of roof concrete support of MS structure and header pipe supports structure after cutting and removing the existing the damaged corroded MS roof structure in water spray header champer of Unit IV washer. By size 250 x 250 mm RS Joits, 65 x 65 x 6 mm MS Angle & 100 x 50 mm MS channel

Material on contractor scope RS Joits 250 x125 mm

Material on contractor scope MS Angle 65 x 65 x 6mm

Material on contractor scope MS Channel 100 mm

Charges for lifting and shifting the 2 Nos spray header pipe in each unit on the newly fabricated structure in Unit IV & V Air washer located at 10.5 Mtrs. floor.(The Rates including the T& P hire charges , Scaffolding arrangements and all other consumables under contractor scope. )

Cleaning of spray nozzles: Charges for removing the spray nozzles size 3/8” FPT X 3/16” FPT1500 Nos. and 3/8” FPT X 5/16” 152Nos. from the spray pipes in Air Washer cleaning the nozzles by air removing the end caps(Dummy) of 152Nos. Spray Pipes and cleaning the slurries, mugs, blocking material from the pipes by slightly hammering, cleaning sump refitting the spray nozzles after cleaning the spray and flooding nozzles and end caps in pipes as per direction of Engineer in charge.

Charge for fixing the G.I Spray Pipe With Spray Nozzles and end cap dia 40mm, length 2750mm total qty.150Nos.after cleaning the female thread and providing the thread in the couplings Size40mm dia X 50mm length by using die & tap set if required, tightening the spray pipe proper positioning of the spray nozzles, charging of water arresting of water leaks if any in the coupling and end cap of the spray pipe at air washer Unit IV & V located at 10.5mtr floor as per the direction of engineer in charge.[ the rates including all consumables like Teflon tape, T&P hire charge scaffolding arrangement etc, under contractor's Scope]

Charges for providing scaffolding arrangement up to the height of 5 to 6 mtr for cutting, removing the existing spray header pipe and replacing the new header pipe after completion of work dismantling the scaffolding arrangement including cost of scaffolding materials and hire charges for T&P's