Supply, fabrication and installation of new base flange plate along with chemical fixing of foundation studs at RCC foundation of FOST at AVS, NRB, BARC, Tarapur

Amount

Dismantling Sequentially & segment wise cutting of base plate and stiffener plate of furnace oil tank by gas cutting, angle grinder or any mechanical means without damaging the tank, pipe section of tank and without affecting the integrity of tank. All safety should be taken care by party. Cutting section should be less than one meter length and to be shifted to the earmarked area/ scrap yard in the plant premises. Supply of all required materials and consumables are in vendor’s scope.

Fabrication, supply and installation of new base plate 25 mm thick, stiffener and strengthen MS plate 12 mm thick confirming to IS 2062 as per specification. Fabrication of 25 mm thick base plate and 12 mm thick stiffener plate as well as strengthen plate of furnace oil tank by cutting, grinding, machining, surface preparation, surface matching, drilling of M24 hole for stud fixing, welding at site by qualified welder and 100% DP testing of all welded joints as per technical specification, site condition and instruction of site in-charge. Supply of all required materials and consumables are in vendor’s scope.

Providing, installation and testing of reputed make foundation studs fixing with chemical resin and core drilling at RCC foundation of furnace oil tank, which consist of following jobs- a) Providing reputed make 4.6 grade M 24 x 500 mm long full threaded foundation bolt along with washer, hex nut, hex lock nut. b) Providing reputed make RE 500 resin of appropriate quantity as per manufactures recommendation for fixing the foundation stud. c) Core cutting of size dia 26 mm, deep 350 mm to 400 mm in RCC foundation on marked position at site. d) Chemically fixing of M24 foundation bolts by application of RE 500 resin as per manufactures instruction manual. Supply of all required materials and consumables are in vendor’s scope.

Filling of gap between metal base plate and civil foundation by cement slurry or GP grout ready mix concrete mixture as per site condition. Supply of all required materials and consumables are in vendor’s scope.

Providing and application of 3 mm thick APP membrane sheet using a torch-on method for weather protection treatment of base of both FOST tanks as per specification & site condition. Surface preparation, heating the membrane, applying the membrane, overlapping and sealing are under the scope work. Supply of all required materials and consumables are in vendor’s scope.

Silver heat resistance aluminum painting (02 coat) of rectified base structure, stiffener plate and tank as per specification. Supply of all required materials and consumables are in vendor’s scope.

D V Pandharkar (BID ID -3280172)

R K INSULATION (BID ID -3279631)

SKY MAX (BID ID -3280834)