tender for provision of iron grill cover over water tanks (ph-ii) in domestic area at af stn tezpur.; 1 s&f 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, complete all as specified and as directed. 2 m&l for preparation of new steel/iron surfaces exc 10cm width or girth and apply two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and directed. 3 m&l for preparation of new steel/iron surfaces n.exc 10cm width or girth when unconnected with other painting or when painted in different paint and applying two coats of synthetic enamel paint over one coat of red oxide primer, complete all as specified and directed. 4 materials and labour for plain cement concrete (1:2:4) type b1 using 20 mm graded aggregate in lintels up to 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed including necessary from work, complete all as specified and directed. 5 materials and labour for rendering 8 mm thick, cement plaster, in cement mortar (1:4) mixed with water proofing compound as per manufactures instructions over and including 12 mm thick backing coat in cement mortar (1:4) on fair faces of brick work or concrete surface in walls, complete all as specified and directed.note: - (water proofing compound will be measured and paid separately)