Urban Development Department Tender

Construction of ESR of different capacities for a minimum 70 kN/sqm SBC of soil (SBC is to be determined as per a separate item) with RCC staging of 12 m height including earthwork in excavation for foundation including refilling (return filling) the quantity as necessary after completion of work; RCC works; plastering, painting; underdrainage works in filter beds; placing the filter materials in two rapid gravity sand filters; construction of aeration system; various pipes, e.g. inlet, outlet, overflow pipes, wash water pipes, vent pipe and sluice valves as required; aviation lamp; lightening arrestor, MS ladder all formworks including cantering, shuttering, scaffolding; all materials and labour as per approved drawings and specifications all complete as directed in the jurisdiction of different divisions of PHED, Assam with the following main components: 1) Aeration System at 10 m level. 2) Gravity type Rapid Sand Filter with 1 working and 1 stand by bed at 3 m level. 3) Pump House at the Ground Floor 4) Water tank made of food grade virgin Plastic (ISI marked) at 12 m level conforming to IS 12701: 1996

Discharge of the pump: 15.9 LMP Design head: 51 metres Recommended make: Crompton Greaves / Aquatic / CRI / GEC / ALSTHOM / V-Guard or equivalent

Supplying, fitting, and fixing chain link fencing of 10 S.W.G, G.I. Wire 50mm x 50mm mesh fitted to M.S angle iron post at 2000mm apart of specification detailed below including supplying, fitting, and fixing hooks, eye bolts with nuts, staples and bolts including three horizontal lines of G.I wire 10 S.W.G at top, middle, and bottom and with one vertical line to each fencing post for keeping the fencing tight and erect complete, including one coat of primer painting to M.S angle iron post in P.C.C base etc. with following. .