Details: cleaning of surface drain including cleaning the side walls, removing muck/mulaba complete as per instructions of engg-in-charge including disposal of same at identified places length of drain 3650m. frequency of cleaning is once in a month. brick work with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in foundation and plinth in:cement mortar 1:6 (1 cement : 6 coarse sand) 12 mm cement plaster of mix :1:6 (1 cement: 6 fine sand) structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by engineer-in-charge)0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. sheet
Sector: Mining