Jhimar G.O.V. (Pumping) Water Supply Scheme

Amount

PART-A (CIVIL WORKS) - Design and Supply of all materials, T&P, labour etc. for construction of RCC Wet intake Well 8.80 m internal dia, height of wet well 11M ,Height of Pump house will be 4M and (Total height of well including pump house15 m) height/depth (7 m below from river bed level) along with RCC Bridge 2 m wide and 15 m length and including reinforcement complete including reinforcement and shuttering as per design including supply of all material,labour, T&P scaffolding, shuttering, machinery etc required for completion of work complete as per conceptual drawing....Work consist of as follows Hydraulic and structural design of intake well cum pump house and preparation of drawing Diversioin of stream by any means to get working conditions at .Execavation in any type of soil mix with shingle , boulder , etc or in any type of rock up to required depth as per design Timbering of any type required for excavation upto desired depth Dewatering of water required upto any extent to keep excavated pit dry for construction works Lean concrete of grade 1:3:6 with 40 mm gauge stone ballast and sand below raft foundation of well, RCC in raft foundation including reinforcement , shuttering etc as per design, RCC in well steining including reinforcement and shuttering as per design. RCC in Deckslab of well including 1.00 m wide balcony all arround including reinforcement, shuttering as per design, deckslab will also have provision of opening for lowering of pumps and railing to the opening, Spiral RCC / MS stair case of 75 cm width with suitable landing and GI pipe railing complete from deckslab to floor inside intake well, including reinforcement and shuttering as per design Construction of 8.80 mtr Internal dia pump house of brick work with conical / slanting RCC roof with clear minimum height of 4.0 mtr on edge as per design including mild steel door frame with MS shutter /MS "Z" section glazed and mosquito proof window/ vantilators with gaurd bar in required numbers for proper access and vantilation, plastering inside & outside ,external plaster may have some ornamental finish for aesthetic look, inside distempering, out side acrylic painting (apex or equivalant ), synthetic enamal painting on steel , waterproofing treatment. All electrification works required for pump house building,Supply and fixing of mild steel girder of required size in pump house for lowering / lifting of pump including moveable chain & pulley system. Including all other minor nature works required for complete intake well. Per meter increase/ decrease in length of RCC Bridge work and Depth of wet intake well will be paid as per departemental rate.

Design and supply of all materials, labour T&P etc. and equipments to construct 0.7 MLD capacity (for 16 hours operation per day) rapid gravity filtration plant consisting of all required arrangements viz inlet chamber, clarifloculator, settling tank, filtration unit of 0.7 MLD each of specified gravel bed media with wash water trough, wash water storage, back wash arrangement and sccur & under drainage system and chemical solution tank & appropriate valves etc. all complete considering local safety factors including cargate of all materials, labour, T&P etc. as per CPHEEO guidelines required for proper completion of work.

Survey, design (The contractor has to survey the site, take levels with total station, measure the length of pipe with metalic tape on prescribed alignment and submit the design of Supply Main for checking the dia of pipe before ordering for supply of pipe. On completion of this work, the laid length of pipe will be deemed eligible for supply. The respective amount for quantity of surplus supply of pipes (which remained unlaid or unutilized) will be deducted from final bill and surplus quantity of pipes will be the property of contractor),, carting from site store to site of work, lowering into trenches with tube true alignment, laying of MS ERW pipes grade Yst 210 jointing by eletric welding process with proper grade of eletrodes suitable for jointing of water supply pipe lines (Adore, L&T or equivalent electodes) by cutting of pipes and making required bends by welding, completion of work with testing of pipeline etc. complete.

125 mm dia, 4.8 mm thick

125 mm dia, 7.1 mm thick

Survey, design (The contractor has to survey the site, take levels with total station, measure the length of pipe with metalic tape on prescribed alignment and submit the design of Supply Main and Distribution system for checking the dia of pipe before ordering for supply of pipe. On completion of this work, the laid length of pipe will be deemed eligible for supply. The respective amount for quantity of surplus supply of pipes (which remained unlaid or unutilized) will be deducted from final bill and surplus quantity of pipes will be the property of contractor),, Supply main/Distridution ,carting to site of work, laying to true alignment & jointing of GI (Medium) Screwed pipes conforming to latest BIS code (including supply of all jointing materials like specials, white lead, hemp and oil etc.) in trenches with its cutting, threading and testing of pipe line etc. complete for the following dia:

Excavation for pipe line trenches

Excavation in soil mixed with single boulders etc. requiring the use of specials T&P, if any for pipe line trenches including lift up to 1.5 M and lead kup to 30 M with back filling, watering, ramming of excavated earth in trenches.

Same as above but in medium rock by chiseling.

Design, testing bearing capacity of soil (For CWR more than 30 KL capacity only) and construction of M 30 grade R.C.C. semi-sunk circular Service Reservoir of following capacity and other appurtenant works including supply of necessary scaffolding, shuttering and other accessories alongwith construction of valve chambers, fixing of inlet and outlet pipes, making bye pass arrangement & fixing of lightening conductor & M.S. Manhole Cover, supply and fixing of M.S. Steel Ladder outside and inside the tank and fixing of railing around top dome as per approved design of R.C.C. tank in latest IS codes including painting with delux multi surface paint and also connection with the exsiting network alongwith carting of all materials including supply & fixing of Bucket Type Chlorinator 25 L capacity on top of service reservoir and construction of chlorinator over reservoir of capacity 50KL or more including supply of all materials, labour, T&P etc. complete.

Painting of API/ MS ERW Pipes with 2 coats of approved quality. (Anti-Corrosive) epoxy paint over one coat of Primer

Design & testing bearing capacity of soil ,construction of Pump House of size 7m x 6m x 5m made up of Brick masonry with R.C.C. flat / slope roof at each pumping station including of foundation of pumps and Transformar etc. All complete.

Design, testing bearing capacity of soil for construction of Staff Quarter of Type I in Ground floor made up of Brick masonry with R.C.C. framed structure flat roof with kitchen, bathroom and W.C. including water supply, drainage, electrical works and painting with delux multi surface paint and other appurtenant works including construction of septic tank and soak pit at IPS site as per approved design & drawing including supply of all materials, labour, T&P etc. complete including cartage of materials

Provision of Barbed Wire Fencing through angle iron posts of size 50x50x6mm and height of post 1.8m weight of wire not less than 9.38 kg per 100m and spacing of row 20 cm c/c barbed wire shall be cross diagonaly of post around the water works site, on the top of Boundary Wall as per specifications including all materials, labour etc. complete.

Provide all materials, labour, T & P for Construction of 3.60 m wide MS Iron Gate (Not less than 100 Kg.) with two nos. 2- brick thick brick masonry Pillars 2.00 m high and 30 cm below ground level in 2 and half brick masonry over 10 cm thick PCC 1:4:8 ( 1 cement, 4 sand and 8 stone aggregate). Pillars to plastered all over in 1:4 Cement and Sand mortar , complete with two or more coats of synthetic enamelled paint over a coat of steel primer on steel work and acrylic smooth exterior paint for pillars.

Supply and fixing of following size of heavy duty Cast Steel Sluice / Scour / Gate Valve confirming to API 600 for Clear Water Rising Main including cartage of materials (Kirloskar, Jayant, Butterfly or Oswal make)

125 mm dia WP 50 kg/sqcm

100 mm dia PN 1.6

125 mm dia PN 1.6

Supply and fixing of following size of heavy duty Cast Steel Reflux Valve (Swing Check Type) confirming to API 6D for Clear Water Rising Main including cartage of materials (Kirloskar, Jayant, Butterfly or Oswal make).

125 mm dia WP 50 kg/sqcm

Supply and fixing of following size of Air Valve confirming to API Standard including cartage of materials.For Clear Water Rising Main

Supply and fixing of Air Valve For Feeder Main / Supply Main 15 mm dia. Single Large Orifice type WP 15 kg/sqcm

25 mm dia (PN 1.0 / 1.6)

32 mm dia (PN 1.0 / 1.6)

40 mm dia (PN 1.0 / 1.6)

50 mm dia (PN 1.0 / 1.6)

Construction of following Valve chamber in R.C.C. 1:1.5:3 with necessary reinforcement along with fixing of manhole cover on top for Feeder / Supply Main/ Distribution System including supply of all materials, labour, T&P etc. complete required for proper completion of work.

Sluice/ Reflux/ Scour/ Air Valve Chamber 1.2m x1.2m x 1.20m

Wheel Valve/Gate Valve/Water meter/ Air Valve Chamber 0.6m x 0.6m x 0.6m

Supply of all materials, labour, T & P etc and construction of RCC 1:1.5:3 Break Pressure Tank (BPT )as per departmental type design .

Construction of Anchor Block in R.C.C. 1:1.5:3 size 1m x 1m x 1m with necessary reinforcement along the alignment of Clear Water Rising Main including supply of all materials, labour, T&P etc. complete as per type design as per direction of engineer incharge including cartage of materials. size of thrust block at spacing of 100 m each from pump to half length of top CWR

Construction of Anchor Block in R.C.C. 1:1.5:3 size 1.5m x 1.5m x 1.5m with necessary reinforcement along the alignment of Clear Water Rising Main including supply of all materials, labour, T&P etc. complete as per type design as per direction of engineer incharge including cartage of materials. size of thrust block at spacing of 100 m each from pump to half length of top CWR

Making ferrule connection in the existing main of G.I, A.C, PVC or any type of pressure mains with saddle piece, service connections, fittings and fixing of G.M. ferrule including tapping the main, including all materials, ferrule, clamp etc. and bib cock.

Water Meter

Construction of protection works for Site Development, source work, Rising Main, Supply Main, CWRs, Distribution system and Buildings etc. as per site conditions wherever necessary as follows :-

Excavation in following strata for foundation requiring the use of special T&P such as Pick Axes, Sabbals etc. or by blasting or by crow bars with a lift up to 1.5 m and lead upto 30 m including refilling, watering and ramming of excavated earth into the trenches and removal and disposal of surplus earth upto a distance of 60 m including supply of all materials, labour, T&P etc. complete including cartage of materials in soil mixed with shingle, bazri, boulder

Cement concrete 1:4:8 including supply of all materials, labour, T&P etc. complete.

Cement concrete 1:2:4 including supply of all materials, labour, T&P etc. complete.

Random Rubble Stone Masonry in 1:6 cement and sand mortar including supply of all materials, labour, T&P etc. complete.

Random Rubble Stone Masonry laid dry including supply of all materials, labour, T&P etc. complete.

PART-B (ELECTRICAL AND MECHANICAL WORKS) Pumping Plant for Stage-I (Intake Well) Submersible V.T. raw water Pump Set 535 LPM, 60 M Head)

Vertical Submerible Motor

Starter

100 Amps Main Switch

Control Panel

Power Wiring & Earthing Material

Main Piping & Valves

Gauges

Chain Pulley Block (1.5 Tonne capacity)

STAGE-II: Centrifugal Pump (490 LPM, 500 M Head)

Electric Motor

Base Plate

400 Amps Main Switch

Fully Auotomatic Auto Transformer Starter

Control Panel

Power Wiring & Earthing Material

Main Piping & Valves

Gauges

H.O.T. Crane 3 Tonne capacity

STAGE-III: Centrifugal Pump (490 LPM, 490 M Head)

Electric Motor

Base Plate

400 Amps Main Switch

Fully Auotomatic Auto Transformer Starter

Control Panel

Power Wiring & Earthing Material

Main Piping & Valves

Gauges

H.O.T. Crane 3 Tonne capacity

Tools for all stages

Crimping tools

Bulk head water meter

Rubber Resistance Sheet (1×2×0.025 M)

Installation & commissioning of Pumping Plants & related acceessories for all stages.

Testing (all stages) : At Works

At Site

Painting (all stages)

Carting for all stages

Maintenance (one year) (all stages)

S.I.T.C. of Transformer

(i) Stage-II (250 KVA)-2 Nos.

(ii) Stage-III (250 KVA)-2 Nos.

S.I.T.C. of H.T. Panel

(i) Stage-II -1 No.

(ii) Stage-III -1 No.