PROVISION OF CERTAIN MINOR WORKS AT CGRA KANKANADY AND CGRA KUNJATHBAIL UNDER AGE (I) MANGALORE

Excavation in post holes in soft/disintegrated rock each not exc 0.50cum getting out,returning in and ramming earth or broken rubble mixed with earth around in layer not exc 25 cm watering and removing surplus material to a distance n exc 50m and making good surface.

M & L Plain Cement Concrete Type B2 1:2:4 (using 40 mm graded stone aggregate) in post holes, including use and waste of form work.

S&F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS.1161-1979 grade St.-240 , complete all as specified and directed

S&F Fe 410W (Gde E-250) quality A for Roof truses (framed), trussed, purlins, crane grantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc.

M&L for two coats of synthetic enamel paint over a coat of red oxide primer on new steel surfaces of any description, not otherwise described over 10cm width or grith after preparation complete.

S&F pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified

S&F pre- painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specifie

S & F Mild steel, plain, black sheet 1.60 mm thick, in hearths; covering to door shutters; covering to door chowkats (frames); chullah hoods; water tanks; water troughs; ducts; urinal troughs and funnels, etc. cut to size edges beaded if directed, holes punched; including round headed screws, clout nails or rivets and fixed to wood or steel members, etc., with plain 40 mm lap joints or welded/ riveted seams including bending, turning up, mitred angles, stopped ends, outlets, etc. as required

S&F bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165

S&F Fe 410W (Gde E-250) quality A for 6mm thick mild steel Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted,bolted or welded attachment to bottom of GI pipe complete all as specified and as directed conforming to Fe-410W.