Himachal Pradesh Irrigation And Public Health Department Tender

Construction of Sewage Treatment Plant of following capacity based on Constructed wetland Technology including evolving of hydraulic & structural designs & drawings, planning, testing and commissioning, operation and maintenance for three yers as per the provisions of Manual on Sewerage & Sewage Treatment published by CPHEEO Manual (Latest edition/amendments). 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 - 8.5, BOD ≤ 10 mg/litre, COD ≤ 50 mg/litre, TSS ≤ 20 mg /litre, Feacal Coliform (MPN /1000 ml) 100,N - Total ≤ 10 mg/litre, NH 4 - N ≤ 5 mg/litre . The scope of work including C/O 01 No. inlet chamber, 1 No. Screening channel with cleaning arrangement, 1 No. Grit channel and distribution box, construction of Multi Baffled Anaerobic Reactor, (Minimum Volume 183.33 cum, Minimum height 3.50 m+F.B.) construction of sludge drying beds, construction of wetland (Minimumum area 246 Sqm, minimum Height 2.0 M) units, multimedia filter, chlorine contact tank with required arrangement, walkways for all units, Plant building/ Chowkidhar room, providing & installation of all mechanical & electrical equipment’s as per (CPHEEO Manual Latest edition / amendments) / chapter No. I to V. It also includes site development for all civil structures, interconnecting Pipes (DI/CI/PVC of requred Dia), path, providing and fixing Fencing Panel around the S.T.P Yard with gate, laboratory equipments as per requirement of CPHEEO Mannual of sewerage & water supply and providing and fixing of yard lighting around STP with in all leads and lifts complete in all respect as per the entire satisfaction of Engineer-in-charge. The design methedology should be based on CPHEEO mannual on Sewage and Sewage Treatment and the kinetic equations and rate constants involved in the design process should have authentic references duly wetted from IIT/NIT/PEC.

Construction of STP 0.120 MLD for Zone-II (Banwar-Kalan)

Sewer Network Zone-II (Banwar-Kalan):- Excavation in foundation (trenches for pipes and M/holes) upto all depths in all classification of earth work such as pick work, jumper work, blasting soft/hard rock or chieselling soft/hard rock where blasting is prohibited, cutting of matelled bitumenous roads / pucca pavements i/c saturated soil/ bailing or pumping out water in all lifts including trimming and dressing of sides,levelling of beds to correct grade including shoring,strutting, planking, timbering and dewatering wherever required, stacking the useable and un-usable material/soil separately and after laying, jointing and testing of pipes returning the useable soil to trenches in 15cm (fifteen centimeters) layers including consolidating of each deposited layer by ramming and watering and then disposing of all surplus excavated soil,un-usable materials as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and also including cost of diversion of traffic,night signals,fixing caution boards,crossing over trenches for access to houses,fencing etc.complete in all respects within all leads and lifts as per the directions of Engineer-in-charge.