Gujarat Water Supply And Sewerage Board Tender

Item No. 1 Designing structurally (and aesthetically) complying provisions of relevant Indian standards and constructing RCC Elevated Cistern of the following capacity and height, using data of S.B.C of proposed site, Seismic zone, Wind speed Zone. Including (1) Container shape any suitable type (or as specified), (2) Staging consisting of column brace trestle / shaft / combination column- brace trestle and shaft as appropriate (or as specified) and (3) Appropriate foundation system. This includes excavation in all types of soil strata (including hard rock), casting 100 mm thick P.C.C. levelling course in M-10, Refilling the pit with proper soil and disposing of the surplus stuff within a lead of 50 meters. (4) This will also include cement plaster in CM 1:2 with approved water proofing compound to inside face of container. (5) All types of labour & material charges of lowering, laying, erecting / hoisting & joining of pipe assembly of Inlet, Outlet overflow, washout and bypass arrangement as per hydraulic design are including. (6) Providing and fixing accessories (specified) like MS / GI Ladder CI Manhole frame and covers, GI Pipe railing around walkway, at roof level, at Adequate cowl type ventilators or lantern type ventilator with stainless steel jali. (7) Scope of work includes fabricating and fixing MS / GI Ladder, B.B. Masonry chambers for valves. (8) Including providing and applying three coats of cement paint/snowcem (as specified) to the whole structure. (9) It also includes satisfactory water tightness test as per relevant I.S. Code and painting name of scheme & capacity on the tank as per direction of engineer in charge. R.C.C. Ele. Cistern 20,000 Lit. Cap & 5.0 Mt. Ht. List of Indian Standards for design of Ele. Cistern: Note: The structural design of Cistern shall be in accordance with provisions of relevant Indian Standards (1) I.S. 3370 part I & II 2009 or latest revised (1.1) I.S. 3370 part III & IV 1965 or latest revised (2) IS 456-2000 or latest revised (3) IS 11682- 1985 or latest revised (4) IS 1893-2002 part I to V or latest revised (5) IS 13920-1993, or latest revised (6) IS 875 part I to III, 1987 or latest revised (7) IS 11089- 1987 or latest revised.