competitive e-bidding for supply of colour coated zincolume roof sheets (0.51 mm )tct for bisalpur kisan sahkari chini mills ., ltd., bisalpur ( pilibhit ) for the season 2023-24 competitive e-bidding for supply of colour coated zincolume roof sheets (0.51 mm )tct for bisalpur kisan sahkari chini mills ., ltd., bisalpur ( pilibhit ) for the season 2023-24 , description , supply of (0.51 mm tct zincalume) high steel textile minimum of 550 mpa yield strangth matalic hot dipped coatted with alzalloy (55% al + 1.5% silca) as per as 1397/is 15961 zincalume az 200 (min. 200gm/m.2 total on both side) of steel make having the licence of biec profile sheets 0.45 min. base metal thickness 0.51 tct 935mm to 980mm effective cover or more. the end rib shal have abti capillary groove and return leg the feed material shal be 0.45 mm bmp. , same as item no. 1.01 but for ridges.