tender for replacement of ac sheet roof of power house - dismantling of tarflet on the roof of drier house including stacking the material with in 50 mtrs lead including cost of all labourt t&p etc 2 dismantlingof worn out gci sheet from roof of drier house including cost of all labour t&p etc 3 providing of zincalume trapezoidal profie roof sheet of 0.45mm taze metal thickness 1052tc) of 935mm 90mm effective cover with, with minimum & major corrugation, of 24mm 30mm gigh rib spaced at 93.5mm or more c/c the end rib shall have anti-capillary groove and return leg. the fred material shall be of d.45mm bmt. (0.51mtct zincalume) steel high tonsile with mm 550mpa viel strength, metallic hot dipped coated with alzs alloy (15% aluminium, 43.5% 15) as per a51397/515961-zincalume az 200mm 200g/m2 total on nom sites of steel make having the licence of bethleien international engineering corporation(bec) (as per technical specification galvalume profile sheet tata make 4 providing of rudge cap plaincustomized as per design up to 500 mm with same stoel specification as in blues cope steel laars az 200 zincalume trapezoidal profile sheet of 330-980 man with supply width of 992 min of 0.45 mm beve metal thickness 10.53mm. tct) with mm 550 mpa, 5 fixing only precoated colour sheets with ridge on the roof of drier house including the cost of self tapping screws and bitumen washer/rubber washer but excluding cost of colour coated sheets 6 supply and laying of silicon on the roof of drier house roof joints including supply of all material labour t&p etc (roof area) 7 disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved dumping ground or as approved by engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.