Himachal Pradesh Irrigation And Public Health Department Tender

Construction of Sewage Treatment Plant of 100 KLD capacity based on Natural treatment technology with secondry treatment by MBAR (Multi Baffled Anaerobic minimum HRT 40 hours) system followed by tertiary treatment based on natural treatment system in the shape of constructed wetland, including evolving of hydraulic & structural designs & drawings, planning, testing and commissioning of treatment Plant as per the Provision of required on sewerage & sewerage Treatment Published by CPHEEO(Latest Addition). The Sewage Treatment Plant should be capable of treating domestic raw sewage having influent characteristics of BOD =350 mg/litre & suspended Solids =650 mg/litre and the characteristics of treated /disposable effluent should comply with the standards as per the norms of H.P. State Pollution Control Board i.e. PH = 6.5- 9, BOD ≤ 10 mg/litre, COD ≤ 50 mg/litre, TSS ≤ 50 mg /litre, Faecal Coliform (MPN /1000 ml) 100, N - Total N ≤ 10 mg/litre, NH4 - N ≤ 5 mg/litre. The scope of work includes construction of Inlet Chamber,Screen Chamber, Grit Channel, Distribution Box, Multi Baffled Anaerobic Reactor (MBAR),Sludge Drying Beds , Constructed Wetland (Rootzone System), Multi Media Filter, Chlorine Contact Tank, Interconnectivity pipe of STP & Effluent Pipe,Fencing Pannel around the STP yard,steel gate,Interconnecting Path,Railing and Access ladder,Plant Building i.c Chhowkidar Room,Providing & Installation of Electro Mechanic Equipments,Supply & Installation of Laboratory Equipments. with in all leads and lifts complete in all respect as per the entire satisfaction of Engineer-in-charge (as per chapter No. I (a), I (b), I (c). 3 Months of successful trial run as per the provisions of Manual on Sewerage & Sewage Treatment published by CPHEEO Manual (Latest edition).

Excavation in foundation, trenches etc. in earth work, in all kinds of soil such as pick work, jumper work, blasting work in hard / soft rocks, chiseling / wedging out of hard / soft rocks including dewatering in saturated soil up to all leads and lifts, staking the excavated soil / materials upto all leads and lifts clear from the edge of excavation and then returning the stacked excavated soil in all layers when required into plinths sides of foundation etc.consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated soil as per direction of Engineer -in-Charge.

Providing & laying cement concrete 1:4:8 (1cement: 4sand: 8graded stone aggregate 40mm nominal size) and curing complete excluding cost of form work in foundation and plinth with in all leads and lifts as per the direction of Engineer-in-charge