tender for sheet roof - trenching ground , m & l for excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in hard/dense soil , s & f for mild steel framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to fe.290.gde-e-165 , m & l for painting steel & iron surfaces of any description, over 10cm in width or girth, not otherwise described which includes preparation of new or previously untreated surfaces, priming with red oxide, zinc chrome, applying synthetic enamel (ordinary tint) , s & f for pre- painted galvalume aluminum zinc coating gi based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified , m & l for stone masonry in walling of squared rubble, regular coursed, well bonded, bedded and solidly hearted, built in cement mortar 1:4 , labour for hammer dressing sandstone/limestone/laterite stone with maximum depression on to face stones and dressing of face beds and joints, as specified face from straight edge held against the dressed surface n exc. 20 mm of squared rubble masonry, regular coursed , laying and jointing pvc pipe. heading , m & l for formwork to fair finished edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs n exc 20 cm wide and sides of rcc/ plain cement concrete bands in walls, horizontal or sloping and similar work exc 10cm but n exc 20cm wide , m & l for reinforced cement concrete nominal mix type b1 1:2:4 (20 mm aggregate) aggregate)in beams, cantilevers, bressummers, lintels over 1.5m span , m & l for mild steel tmt bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips , m & l for mild steel tmt bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders