supply and fixing of mini mcf 2.8.1earth work in excavation by mechanical means ( hydraulic excavator ) / manual means in foundation trenches or drains ( not exceeding 1.5 m in width or 10 sqm on plan ) , including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.all kinds of soil , 4.1.3providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:2:4 ( cement : 2 coarse sand ( zone-iii ) : 4 graded stone aggregate 20 mm nominal size ) , 10.16.1steel work in built up tubular ( round, square or rectangular hollow tubes etc. ) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.hot finished welded type tubes , 5.21extra for providing and fixing expanded metal mesh of size 20x60 mm and strands 3.25 mm wide 1.6 mm thick weighing 3.64 kg per sqm for encasing or rolled steel sections in beams, columns and grillages excluding cost of hangers. , 13.52.1finishing with epoxy paint ( two or more coats ) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.on steel work , od providing and fixing precoated galvanised iron profile sheets ( size, shape and pitch ofcorrugation as approved by engineer-in-charge ) 0.35 mm ( +0.05% ) , total coatedthickness 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 should have protective