Providing Sewerage Scheme for Nagar Panchayat Daulatpur, Tehsil Ghanari District Una, Himachal Pradesh

Construction of Sewage Treatment Plant of 0.50 MLD capacity based on MBBR Technology , including evolving of hydraulic & structural designs & drawings, planning, testing and commissioning of treatment facility. The Sewage Treatment Plant should be capable of treating domestic raw sewage having 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 (1 No.), Screen Chamber (2 No.), Grit Channel (2 No.), Distribution Box (1 No.), MBBR (Moving Bed Bio Film Reactor), Sludge Drawing Bed , chlorine contact tank with required arrangement, Interconnectivity pipe of STP units & Effluent Pipe for disposal of treated waste, providing and installation of Electro - Mechanic Equipment’s with DMF, coiling & acccess loddor and Plant building , Fencing Panel around the STP yard Steel Gate Lab equipment complete in all respect with in all leads and lifts at site complete in all respect as per the entire satisfaction of Engineer-in-charge (as per chapter No. vi(a), vi(b), vi (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 within all leads and lifts as per the direction of Engineer-in-charge.

Foundation footings bases of columns and the like and mass concrete within all leads and lifts as per the direction of Engineer-in-charge.

Wall (any thickness but not less than 0.10 mts. thickness) attached pillasters, buttresses plinth, and string courses etc.from top of foundation level upto floor two level within all leads and lifts as per the direction of Engineer-in-charge.

Suspended floor, roofs, landing and shelves and their supports balconies, beams, girders, bressumers and cantilevers upto floor level within all leads and lifts as per the direction of Engineer-in-charge.

Flat surface such as soffits of suspended floors, roofs, landing and the like floors etc. upto floor to 200mm in thickness within all leads and lifts as per the direction of Engineer-in-charge.

Vertical surfaces such as walls (any thickness) partitions and the like including attached pillasres buttresses, plinth & string courses and the like ith in all leads and lifts as per the direction of Engineer-in-charge.