NCTPS I SE M II Circle AHP Dn Unit III ECO Hopper Rerouting of hopper ash discharge pipe line and shifting of mixing apparatus and its accessories from 0 Mtr to 22 Mtr elevation fabrication and erection ECO hopper platform for Economizer ash dis

Amount

Material portion: 80 NB Butterfly valve

MS 100NB Seamless bend

350NB Flange

Seamless pipe 100NB Thick:6.02mm, ANSI B36.10, ASTM SCH 40

Seamless pipe 80 NB Thickness :5.5mm, ANSI B36.10, ASTM SCH 40

SS 80NB Bend

SS 80NB Flange

SS 32NB Pipe , 3.56 mm thick

SS 32NB Bend

SS 32NB flange 15.9mm thick

300 NB C.I Gate Valve as per IS14846

Expansion bellow ECO Hopper of OD 483 mm H 650mm flange 300NB Tk 12mm axial movement 270mm (SS316L)

SS M16x100 Bolt Nut and Washer

SS M16x60mm Bolt Nut and Washer

HT M20x210mm Bolt Nut and Washer

HT M20x100mm Bolt Nut and Washer

(Iron & Steel Materials required for modification of working platform of Economizer hopper) MS Chequered plate 8mm thick

MS plate 6mm thick

ISMC 150x 75 x 5.7mm

Labour portion: Providing Scaffolding arrangements up to 22mtr elevation for erection of platform and rerouting of hopper ash discharge pipe lines including consumables and Hire charges for T & P.

Dismantling of corroded/ damaged standing platform of Economizer hopper area in 22 Mtr floor and removal of scraps devoluted to stores including all necessary T&P's & consumables.

Leading, lifting and Transportation of Iron and steel materials, from stores to site, including hire charges for mobile crane including consumables and T&P's.

Fabrication and erection of working platform Economizer hopper area and providing MS side plates in and around the hopper area including all necessary T&P's & consumables.

Erection of new/second hand cast basalt lined ceramic pipes of size OD 356 for a length up to 12 mtrs including transportation T&P’s and consumables.

Fabrication and erection of 100 NB pipes to required length with flanges, bends, Tees and rubber lining with required M20x 100 H.T Bolt with nut. (Required pipes will be provided by TNPGCL and Bolts & Nuts are contractors. Scope)

Providing of 80NB Seamless Pipe fabrication and erection of pipes to required length with flanges, bends, Tees and rubber lining with required M20X100 H.T Bolt with nut included under the scope of contractor.

Dismantling of 250NB Existing Economizer ash conveying MS ERW Pipe from 22 Mtr level to '0' Mtr level and devoluted to stores.

Transporting, leading, marking, positioning of 550 mm Mixing apparatus and then alignment checking with ash discharge pipe and flush water lines and them erection of the 550 mm mixing box and then refixing the dismantled flush water lines.

Making the 32 NB hole in the suction and discharge pipe top side and 32 NB pipe with flanges to be fabricated and welded in both sides and then connected with the required length pipe, bend and flanges with Eco hopper mixing apparatus (Total length 2.3mtr.)

MADURA ENGINEERING WORKS (BID ID -1236541)