Providing Sewerage Scheme to Chowari Town in Tehsil Bhattiyat Distt. Chamba (HP)

Amount

B1: Sewage Treatment Plant Construction of Sewage Teatment Plant of 1.10 MLD capacity based on Latest Technology such as MBBR including evolving of hydraulic & structural desigsn & drawings, planning, testing and commissioning followed by tertiary treatment such as by constructing wet land, multimedia filter, auto chlorination as per the provisions of Mannual on Sewerage & Sewage Treatment published by CPHEEO Manual (Latest edition). The Sewage Treatment Plant should be capable of treating domestic raw sewage having charactristics of BOD =350 mg/litre & suspended Solids =750 mg/litre and the characteristics of treated /disposable effluent should comply with the standards as per the norms of H.P. State Polution Control Board i.e. PH = 6.5- 9, BOD ≤ 10 mg/litre, COD ≤ 250 mg/litre, TSS ≤ 50 mg /litre,Fecal Coliform (MPN /1000 ml) <100,N - Total ≤ 10 mg/litre, NH 4 - N ≤ 5 mg/litre . The scope of work includs C/O 01 No. inlet chamber, 2 Nos. Screening channel with cleaning arrangement, 2 Nos.Grit channels and distribution box, 2 Nos. anoxicreactor, 2 Nos. MBBR tank, 2 Nos. tube settler, constructed wet land and multimedia filter, sludge drying bed, chlorine contact tank with required arrangement polyectrolyte solution tank with required arrangements,Sludge recycle system with pumping arrangement, Sludge dewatering system comprising of minimum 4 Nos sludge drying beds with 2 nos. overed roof and walkways for all units, Plant building including laboratory of reqiured class as per CPHEEO manual of Sewerage and Sewage treatment, Lab equipments & furniture, chlorine contact tanks with solution tank and solution dozer constant head- type, providing and installation of all mechanical & electrical equipments as per chapter No. vi(a), vi(b), vi (c), on line monitoring shall be provided for following parameters :-(i) At inlet chamber: PH, DO, total solids (ii) At MBBR : PH, 4 No. DO probes and sensor (iii) At CCT : PH, total solides, DO, residual chlorine, (iv) Air Blowers : Autoworking of airblowers (v) VFD (vi) SCADA system for online monitoring at automation room of STP (vii)Automation shall including all sensors, mimiics, acturate valves complete in all respect. It also includes site development for all civil structures,Boundary wall around STP & Providing and fixing of yard lighting around STP,C/O Paths,C/O Shed for dried sludge ,and providing and installation of 2 Nos. DG Set of required capacity and approachs, C/O Junior Engineer office Cum Complaint room etc. with in all leads and lifts complete in all respect as per the entire satisfaction of Engineer-in-charge.Operation and maintenance and comissioning of STP shall be taken on 180 days to achieve above mentioned effluent standards.

Excavation in foundation trenches (for pipes & pits up to all depths) in earth work in all kinds of soil such as pick work, jumper work, blasting in soft/hard rock, chiseling / wedgingout of rock (where blasting is prohibited) soft/hard rock and saturated soil including bailing of pumping out water etc. in all lifts including trimming and dressing of sides leveling of beds to correct grade including soring, strutting planking timbering and dewarting wherever required stacking the usable and un-usable materials/soil separately and after laying jointing & testing of pipes returning the usable soil to trenches in 15 cm layer including consolidating of such deposited layer by ramming and watering and then dispossing of all surplus excavated soil un-usable materials as directed with in 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 with in all leads and lifts as per the direction and to the entire satisfaction of Engineer-in-Charge.

Laying , jointing & testing in trenches to be levelled to grade,centrifugal cement mortar lined ductile iron ( spun) pressure pipe BIS 8329/2000 class K-7 suitable for tyton push on joints including bends of all degree , tree collars , tappers if required , crosses short pieces, tail pieces, plugs of required number cutting pieces chamfering wherever required ( earth work in trenches and cost of joints to be measured and paid for separately with in all leads and lifts as per directions of Engineer-in-Charge 150 mm nominal bore as per IS 12228-1987 for code of practice for use and laying of ductile iron pipe with upto date amendments.

150mm dia. (Labour Rate)

200mm dia (Labour Rate)

250 mm dia (Labour Rate)

Laying & jointing tyton (push & joints) to ductile iron pipe and fitting including testing of the joints cost of rubber gasket (EPDM Quality) conforming to IS 5382 (latest edition/ amendments) with in all leads and lifts as per the direction and to the entire satisfaction of Engineer-in-Charge.

150mm dia (Labour Rate)

200mm dia (Labour Rate)

250 mm dia (Labour Rate)

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

Providing and laying cement concrete work 1 : 1. 50 : 3 ( 1 cement : 1.50 sand: 3 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work and reinforcement for reinforced concrete work in:-

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

Wall (any thickness but not less than 0.10 metre thickness) attached pilasters, buttersses, plinth and string courses etc. from top of foundation level upto floor two level within all leads and lifts as per the direction and to the entire satisfaction of Engineer-in-Charge.

Suspended floors, roofs landings, shelves and their supports balconies beams girders bressumers and centilevers up to floor two level with in all leads and lifts as per the direction and to the entire satisfaction of Engineer-in-Charge.

Providing and laying cement concrete work 1 : 2 :4 ( 1cement : 2 sand : 4 graded stone aggregate 20mm nominal size) and curing complete excluding the cost of form work and reinforcement for reinforced concrete work in :-

Suspended floor roofs, landing & shelves and their support balconies, beams, girders, bressumers and cantilever up to floor two level in slab of flushing tanks within all leads and lifts as per the direction of and to the entire satisfaction of the Engineer-in-Charge.

Providing form work with steel plates 3.15 milimetre thick welding with angle iron in frame 30x30x5 milimetre, so as to give fair finish including centering, shuttering strutting and propping etc. with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4 metres and removal of the same for in-situ-reinforced concrete and plain concrete work in:-

Flat surfaces such as soffits of suspended floors, roofs, landings and the like floor etc. up to 200 milimetres in thickness within all leads and lifts as per the direction and to the entire satisfaction of Engineer -in- Charge.

Wall (any thickness) partition and the like including vertical surface such as wall, attached pilasters, buttersses, plinth and string courses etc. and the like.

Providing and fixing steel fiver reinforcement cement concrete (SFRC) man hole cover and frame conforming to I.S. 12592 (Part-1) 1998 with latest amendsments 560mm internal diametre within all leads and lifts as per the direction and to the entire satisfaction of Engineer-in -Charge.

Heavy duty

Providing tor steel reinforcement for R.C.C. work including bending, binding and placing in position complete upto floor two level within all leads and lifts as per the direction and to the entire satisfaction of Engineer-in- Charge.

Providing and fixing 20 mm wide Cast Iron rungs with chequared or ribbed non slip surface including fixing in cement concrete 1:2:4 (1 cement :2 sand :4 graded crushed stone aggregate 20mm nominal size) in RCC work of manhole chambers and flushing tanks etc (cement concrete 1:2:4 to be measured and paid for separately) complete inall respects within all leads and lifts as per the direction and to the entire satisfaction of Engineer-in- Charge.

Applying cement slurry on R.C.C. Slab or cement concrete work using 2.75 kilo grame of cement per square metre of floor area before laying cement concrete including roughening, cleaning of the concrete surface within all leads and lifts as per the direction of Engineer-in -Charge.

Providing and fixing double socketed flanged Y- Tees 150 X150 mm dia as per IS 8329-2900 Complete in all respect within all leads and lifts.

Providing,laying and jointing of Ductile Iron Plugs (heavy class) of 150 mm dia including fittings and fixing complete with in all lead & lifts as per the direction and to the entire satisfaction of Engineer-in-Charge.

Brick work using common burnt clay building bricks of approved quality in foundation in cement mortar 1: 4 (1 cement : 4 sand) (2nd class bricks) within all leads and lifts as per the direction of Engineer-in -Charge.

20mm cement plaster in two coats backing coat 10mm and finishing coat 10mm thick onn fair side of brick / stone masonery wall for interior plastering up to floor two level including arrises, internal rounded angles chamfers and or rounded angles not exceeding 80mm in girth and finished even and smoth in cement mortar 1 : 6 ( 1cement : 6 sand ) within all leads and lifts as per the direction of Engineer-in -Charge.

Providing and fixing C.I. Sluice Valve with hand wheel as per IS 780 Class upto 300 mm dia including brass spindle and as per IS 2906: Class- II complete with bolts nuts rubber insertion etc. as per Direction of Engineer-in Charge.

65 mm Dia. (Nominal Bore)

Steel work welded in built-up sections, trusses and framed work including cutting housting, fixing in position and applying a priming coat of red lead paint. In gratings, framed guard bars, ladders, railngs, brackets and similarswork within all leads and lifts as per the direction of Engineer -in- Charge.

Laying and jointing in and testing of G.I. Pipe fitting complete (earth work in trenches to be measured and paid for separately) within all leads and lifts as per the direction of Engineer-in-Charge.

32 mm Dia. (Nominal Bore) (Labour Rate)

65 mm Dia. (Nominal Bore) (Labour Rate)

Operation & maintenance of the STP after its successful commissioning of 180 days to achieve the effluent standards laid down in the DNIT & CPHEEO Manual on Sewerage & Sewage Treatment. O&M period for next 3 years will be started . The O & M part envisages regular repair & maintenance of all the civil structures i/c their allied components, deployment of skilled and unskilled manpower of proper strength as per departmental norms, procurement of spare parts, oil/grease/lubricants & chemicals and any other material required for O&M excluding the cost of energy charges. It also includes proper cleaning, flushing, removal of all kind of slips/debris/slush,uprooting of unwanted grass/shrubs/weeds growing near the structures within the boundry of STP, oiling and greasing of moving parts, repairs/ replacement of worn out/damaged parts of mechanical/electrical equipments i/c pumping machinery, pipe lines, valves and safe disposal of the treated effluent up to final disposal point, maintaining regular/proper record of quantity and quality of sewage influent & treated effluent , time and hour run of pumping machinery,. and keeping the area neat and clean to the entire satisfaction of Engineer-in-Charge,. All the operation shall be carried out as per the the terms & conditions of DNIT & CPHEEO manual on sewerage and sewage treatment (latest addition)/ IPH specifications & Norms ,and as per direction issued by Engineer-in-Charge from time to time and sound Engineering practice. .

O & M Charges for the Ist Year

O & M Charges for the 2nd Year

O & M Charges for the 3rd Year

Triveni Constructions