Providing Sewerage scheme to Dharampur Banwar and Richli and Adjoining area in Tehsil Dharampur Distt. Mandi HP based on Multi baffled anaerobic reactor MBAR followed by tertiary treatment through constructed wetland Root Zone Technology Zone-1 Dhara

Amount

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 ≤ 30 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 458.33 cum, Minimum height 3.50 m+F.B.) construction of sludge drying beds, construction of wetland (Minimumum area 616 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 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. The offer should also include laboratory equipments as per requirements of CPHEEO mannual of sewerage & water supply.

Construction of STP 0.300 MLD for Zone-I (Dharampur)

Sewer Network VillageZone-I (Dharampur):- 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.

Providing and laying cement concrete 1:4:8 (1:cement :4 sand:8 graded stone aggregate 40 mm nominal size) and curing complete excluding cost of form work in foundation and plinth i/c carriage of material within all leads and lifts as per the directions of Engineer-in-charge.

Providing & Laying cement concrete work grade M:30 (Design Mix) but not leaner than 1 : 1.5 : 3 (1 cement : 1.5 sand : 3 graded stone aggregate 20 mm nominal size) and curing complete excluding cost of form work and reinforcement for reinforced concrete work in:-

Foundation footing bases of columns etc and mass concrete within all leads and lifts as per direction and to the entire satisfaction of the Engineer in Charge.

Walls any thickness but not less than 0.1m thickness including attached pillaster buttresses, plinth and string courses from top of foundation upto two level all floor level as per direction and to the entire satisfaction of Engineer-in-Charge.

Suspended floors, roofs, landing and shelves and their support, balconies, beams, girders, bressumers and cantilever upto all floor level within all leads and lifts as per direction and to the entire satisfaction of the Engineer in Charge.

Providing form work with steel plates 3.15 mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering , strutting and propping etc with batten & ballies, height of propping and centring below supporting floor to ceiling not exceeding 4 mtrs and removal of the same for in-situ-reinforced concrete and plain concrete in:

Flat surfaces such as soffits of sunspended floor, roofs landings and the like floors etc upto 200mm thickness within all leads and lifts as per the directions of Engineer-in-charge.

Vertical surface such as wall (any thickness) partition and the like i/c attached pillasters, butresses plinth and string course including all leads and lifts as per the directions of Engineer-in-charge.

Providing and laying mild steel/tor steel reinforcement for RCC work including bending, binding and placing in position complete upto floor two level (tor steel) complete within all leads and lifts as per the directions of Engineer-in-charge.

Applying cement slurry on RCC slab or cement concrete work including all leads and lifts as per the directions of Engineer-in-charge.

Providing 200 mm wide CI rungs with chequered or ribbed non slip surface i/c fixing in structure with 200 x 200 x 100 mm cement concrete 1:3:6 (1 cement :3 sand : 6 graded stone aggre 20 mm nominal size) as per the direction and to the entire satisfaction of Engineer-in-charge.

Providing and fixing of SFRC Manhole cover having size of 560 mm internal dia (Heavy Duty) with in all leads and lifts complete as per the direction and to the entire satisfaction of Engineer-in-charge.

Providing and laying cement concrete 1:2:4 (1 Cement : 2 Sand :4 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work in:-

Suspended floors roofs, landings and shelves and their supports, balconies, beams, girders, bressumers and cantilevers upto floor two level. as per direction and to the entire satisfaction of Engineer-in-Charge.

2nd Class brick work using common burnt clay building bricks in foundation and plinth in cement mortar 1:4 (1 cement :4 Sand) within all leads and lifts as per the directions of Engineer-in-charge.

20 mm cement plaster in two coats on rough side of brick /concrete/stone wall for interior plastering upto floor two level i/c arrires.intrenal rounded angles,chamfers and or rounded angles not exceeding 80 mm in girth and finished even and smooth cement mortar 1:6 (one cement :six sand) inner side i/c cost and carriage of material within all leads and lifts as per the directions of Engineer-in-charge.

Providing and fixing of SMC panel water tank on PVC base along with floating valve complete with in all leads and lifts and as per the direction and to the entire satisfaction of Engineer-in-charge (500 Ltr. Each)

Providing and fixing double flanged Cast Iron sluice valve of following dia of Leader/Kirloskar make to Rising Main conforming to IS: 14846/2000 with up to date amendment as per Class PN-1.0 to with stand in normal seat pressure of 10.20 Kg/cm2 including champion sheet gasket 3mm thick, welding with M.S. flanges Table-5 as per IS 6392-1971 including carriage in all leads and lifts as per direction and to the entire satisfaction of Engineer-in-Charge.

65 mm Class PN-1 with flange Table-5

Laying, jointing and testing in trenches galvanised mild steel tube of light grade screwed and socketed complete including providing and fixing tube fitting such as union, tees, socket etc for the following dia as per direction and to the entire satisfaction of Engineer-in-charge (Labour Rate).

25 mm dia (Light class)

Providing, laying, jointing and testing in trenches to be levelled to grade, centrifugal cement mortar lined ductile iron (spun) pressure pipes confirming to BIS 8329-2000 class K-7, suitable for tyton (push on joints ) including, tees, collars, tapers (if required) crosses, short pieces, tail pieces, plugs of required sizes i/c cutting pieces, chamfering where- ever required (earth work in trenches and cost of joints to be measured and paid for separately) including carriage with in all leads and lifts complete in all respects to the best satisfaction of the Engineer-in-Charge of the following nominal diameters.

150mm dia

Providing and fixing of double socket flanged 150x150mm dia DI K-7 Y-Tee for inspection chamber complete in all respects within all leads and lifts as per the directions of Engineer-in-charge.

Providing and fixing of DI plug 150 mm dia complete in all respects within all leads and lifts as per the directions of Engineer-in-charge.

Providing and jointing tyton (Push on joints ) to DI Pipe and fittings i/c testing of jointings, cost of rubber gasket (EPDM) qulaity conforming to IS 3382 (Lastest edition/amendments completet in all respect within all leads and lifts as per the directions of Engineer-in-charge.

Providing and fixing of all socket DI Tee/Cross as per IS 8329 or latest additional amendments i/c carriage of material within all leads and lifts complete in all respect as per the directions of Engineer-in-charge.

Stone soling properly hand packed filling interstes with khuranja stone and consolidation with power road roller to the required gradient and chamber i/c spreading watering and rolling of hinding material or earth work complete in all respect as per the directions of Engineer-in-charge.

Providing and laying cement concrete 1:5:10 (1 cement :5 sand : 10 graded stone aggregate 40mm nominal size) with curing complete excluding cost of form work in foundation and plinth as per direction and to the entire satisfaction of Engineer-in-Charge.

Providing and laying cement concrete 1:3:6 (1 cement :3 sand :6 graded stone aggregate 40mm nominal size) and curing complete excluding cost of centring & shuttering in foundation & plinth as per direction and to the entire satisfaction of Engineer-in-Charge.

Dogra Construction Company Pvt Ltd