provn of sheds for certain md accn (phase ii) at af station salua under ge (af) kalaikunda; 1 excavation in post holes (or similar holes) each n.exc 0.5 cum, getting out in soft/loose soil, returning, filling in & ramming earth or broken rubbles mixed with earth around in layers n.exc 25 cm complete all as specified and directed by engr-in-charge. 2 s&f roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (beam, tee, angle, channel, pipe sec or flat sections) including distance pieces, cleats etc. including distance pieces ,cleats etc fe-410-w (gde-e-250)quality-a complete all as specified and as directed. 3 m & l pre-painted hot-dip aluminium-zinc alloy approved corrugated galvalume profile steel sheet 0.50 mm thick, of an approved colour and having yield strength of 550 mpa as in roof covering fixed with self tapping screws as specified including necessary scaffolding and safety measures at any floor complete all as specified and as directed. 4 all as per item no 3.00. above but inplain steel sheet for ridges.complete all as specified and as directed. 5 m&l ms plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment include bolt and fastners fixing to wall over / under rcc projection of required nos.complete all as specified and as directed. 6 m&l mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut.complete all as specified and as directed. 7 m&l for preparation of new steel surfaces andapplyingtwo coats of synthetic enamel paint of any description not other wise described over 10 cm width or grith etc complete all as specifed and as directed. 8 m&l coloured chequered cement concrete tiles 30cm x 30cm x 25mm thick, polished, machine presed, high dencity set, jointed and pointed in neat cement slurry in floorscomplete all as sfd and directed. 9 m&l for60 mm thick machine pressed precast concreteinterloking paver blockwith grey cement and pigment any shape and size confirming to is -15658-2006 of m-35 grade with gray cement and pigment laid over 30mm thick sand cussion complete all as specified 10 sand filling under floors or in foundations including watering and consolidation.complete all as specified and as directed. 11 m&l 50mm thick pcc type b-1, (1:2:4) using 20mm graded stone aggregate finished even & smooth without using extra cement as in floor including necessary joint filling by bitumen grade b.complete all as specified and as directed. 12 m&l 100mm thickcement concrete nominal mix type d-2, 1:4:8 (40mm graded aggregate) as in sub base.complete all as specified and as directed. 13 m&l for brick work with fly ash bricks, straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:6 complete all as specified and as directed. 14 material and labour for rendering 15 mm thick in cement mortar (1:4) on brick or concrete surfaces , finished even & smooth without using extra cement all as specified and directed by engineer-in-charge. 15 m&l preparation of new plastered or unplasteredsurfaces of wall and applying two coats of cement base paint complete all as specified and directed. 16 m&l for cutting chases, pinning in. making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., and making good, cutting not exc 10 cm girth.complete all as specified and as directed. 17 providing, cement concrete in roof kerbs or mud stops, rounded or chamfered on edges tpe b1,1:2:4 (20mm graded agg).complete all as specified and as directed. 18 m&l cement concrete in foundations, filling and mass concrete (pcc) type d2 1:4:8 (40 mm graded aggregate) etc complete all as specified & as directed