bids are invited for 1 demolition of cement concrete of any description ( unreinforced ) in ground floors and pavings exe 15 cm and n.exc 0.30 cm thickness ( below or above ground level ) , all as directed. 2 material and labour for 150 mm thich concrete floring with rmc m-25 grade concrete using vaccume dewatering method laid in alternate bays including steel formwork of ms channel section and depth equal to thikness of concrete floor with vaccum flot to obtain level joint filled with sealing compound all as spacified and as directed. 3 s&f rolled mild steel roof trusses framed trussed purlins, crane gantries rail and fastering and heavy brackets framing ( beam tee angle, chennal or flat section including distance pices, cleats etc. complete conforming to fe 410 grade e-250 quality a all as specified and directed. 4 material & labour for preparing new steel surfaces of any description, over 10cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer, complete all as specified and directed. 5 s&f clean sawn second class hard-wood in scantlings fixed to steel frames 6 material & labour for preparing new wooden surfaces of any description, over 10cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of wood primer, complete all as specified and directed. 7 m&l for preparation of concrete surfaces of any description over 10cm girth or width, not otherwise described and applying two coats of synthetic enamel paits over a coat of primer 8 taking down cement plaster on concrete or brick, stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. 9 m&l for rendering 15mm thick on fair faces of brick work or concrete sur facein cm 1:3 finihsed even and smooth without using exta cement