supply of ms water tank staging of size 1500mmx1500mmx3500mm heigh from gl. pre fabricated for rotational moulded water tank of 1000 ltr capacity shall be fabricated from hot rolled steel equal angel of size 100x100x12mm thick vertical leg. ms angel 50x50x6mm for horizontal and diagonal brassing. top frame of ms angel 50x50x6mm with ms sheet 2mm thick to be fixed all as per drg att. (make jindal/tata/sail)