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

Amount

PART - A ( CIVIL WORKS ) Serveying , design (hydraulic & structural) and construction of RCC infiltration well cum pump house as per latest BIS codes of External dia meter 6.0 Mtr. and 13.5 mtr height of well steining , capable of delivering discharge not less than 400 lpm , not additional payment for trial bore for taking out adiquate water from Infiltration well and total disolved solid not more than 500 mg/l including supply of all matarial, labour, T&P scaffolding , shuttering, mechinary etc required for completion of work complete as per conceptual drawing - 1- Highest Flood Level of Gomati river is 4 mtr above the minimum water level. 2- Plinth level of pump house is 2.0 mtr above the HFL 3 - Depth of infiltration well will be atleast 7.5 mtr below the ground level Work consist of as follows Hydraulic and structural design of infiltration well cum pump house and preparation of drawing. Diversioin of stream by any means to get working conditions at site. 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 local 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, Spiral RCC / MS stair case of 75 cm width with suitable landing and GI pipe railing complete from deckslab to floor inside infiltration well deckslab will also have provision of opening for lowering of pumps and railing to the opening. RCC in 1.5 mtr wide approach Bridge(at plinth level of pump house ,approximate length is 20 mtr, however it may vary at actual site condition for which price adjustment will be applicable) to infiltration well including reinforcement and shuttering as per design. Construction of 5.25 mtr internal dia pump house of brick work with conical / slanting RCC roof with clear minimum height of 4.5 mtr on edge as per design including mild steel door frame with wooden 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 / wooden surface , waterproofing treatment and decorative tile work on roof, PCC flooring with 2mm PVC laminate flooring sheet etc complete. supply and filling of filter media of required grading in 1.5 mtr width all around the periphery of well steining below ground level including PVC membrane as seperator between different grade of filter media. Suppy and fix 80mm dia HDPE 6 kg/Sqcm pressure rating as weepholes in required number as per design. GI pipe railing supported on MS angle for approach path and balcony of pump house. Stone pitching of required thickness over filter media along periphery of infiltration well. All electrification works required for pump house building except special wiring required for pumping plants which will be carried out seperately. Supply and fixing of mild steel girder of required size in pump house for lowering / lifting of pump including moveable chain & polley system.

Add / deduct for price adjustment on account of variation in length of approach bridges (if any) from 20 mtr. ( Rate only for per m.)

Add / deduct for price adjustment on account of variation of additional depth of well steining height (if any) from 13.5 mtr. ( Rate only for per m.)

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 rising main for checking the thickness of pipe before ordering for supply of pipe.On completion of this work, the laid length of pipe will be deemed eligible forsupply. 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) supplying, carting, laying & jointing of Rising main of following size & thickness of M.S. ERW (YST 210) Pipes by welding with approved quality ISI marked electrodes of Adwani or Adore make confirming to ISO 3183 : 2007 & IS 816 : 1969 including painting of pipe from inside and outside with anti corrosive paint in two coats and other appurtenant works such as fixing of air valve, sluice valve, reflux valve at suitable points including making scouring arrangement at suitable locations by fixing tee & gate valve etc. complete and also testing & commissioning of laid pipeline including supply of all materials, labour, T&P etc. complete

100 mm dia., 5.2 mm thick (From Infiltration well to Top CWR)

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

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 rising main for checking the thickness of pipe before ordering for supply of pipe.On completion of this work, the laid length of pipe will be deemed eligible forsupply. 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) supplying, carting, laying & jointing of Feeder / Supply Main/Distribution main of following size of G.I. (Medium/Heavy) pipe confirming to IS 1239 Part I : 2004 including provision of specials and other appurtenant works such as fixing of air valve, sluice valve etc. at suitable points including making scouring arrangement at suitable locations by fixing tee & gate valve etc. complete and also testing & commissioning of laid pipeline including supply of all materials, labour, T&P etc. complete. G.I Medium class

Excavation of earth for Pipe Line trenches of Clear Water Rising Main and Feeder / Supply Main / Distribution pipe line in following strata 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 from the trenches including supply of all materials, labour, T&P etc.

Soil mixed with boulder and bajri

Medium Rock

Design, testing bearing capacity of soil and construction of M 30 grade R.C.C. semi-sunk Sump cum Clear Water Reservoir of following capacity in K.L. 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 plastic emulsion paint and also connection with the existing network alongwith carting of all materials including supply of all materials, labour, T&P etc. complete.

100 K.L. (Top CWR)

Design, testing bearing capacity of soil (For CWR more than 30 KL capacity only) and construction of M 25 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 & 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 plastic emulsion 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 reservoir including supply of all materials, labour, T&P etc. complete.

Provide all materials, labour, T & P for Construction of Full brick Boundary Wall 1.5 m high with 23cm x 23 cm brick masonry pillar every meter and 30 cm below ground level , with plaster in 1:4 cement and sand mortar all over and three or more coats of acrylic smooth exterior paint complete at Intermediate Pumping Stations

Provide all materials, labour, T & P for Construction of M/S Iron Gate 02 nos.with M.S. work in heavy size such as build up gates doors and frames with two nos. 2- brick thick brick masonry Pillars 2.00 m high and 30 cm below ground level in 2 and 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, 1.5 mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates 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.(Area excluding pillars)

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 15 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

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

100 mm dia WP 15 kg/sqcm

100 mm dia WP 30 kg/sqcm

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.

100 mm dia WP 15 kg/sqcm

100 mm dia WP 30 kg/sqcm

Supply and Fixing of following Cast Steel Scour Valves as per standard specifications

100 mm dia WP 30 kg/sqcm

Supply and fixing of following size of Air Valve confirming to API Standard including cartage of materials.

50 mm dia. heavy duty Cast Steel Double Orifice type WP 15 kg/sqcm (Rising Main)

20 mm dia. Air valves (Screwed) (For Supply Main / Distribution)

Supply and fixing of following size of Wheel / Gate Valve as per IS 778 : 1997 & IS 14846 : 2000 for Feeder Main / Supply Main including cartage of materials.

25 mm dia

32 mm dia

40 mm dia

50 mm dia

65 mm dia

Supply of all materials, labour, T & P etc and construction of R.C.C M20 grade sluice /Reflex/Scour /Air valve chamber as per type, design of size (1 m x 1 m x 1 m)

Constructing masonry Chamber in following size with C.R stone masonary 1:6 cement sand mortor (1 cement :6 coarse sand)and RCC top slab 1:2:4 mix (1 cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size ) necessary excavation foundation concrete 1:4:8 (1 cement : 4 fine sand : 8 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick finished with a floating coat of neat cement complete as per standard design of size (0.60mx0.60mx0.60m). (in supply main, distribution system)

Construction of Anchor Block in R.C.C. 1:1.5:3 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

Size (0.75 x 0.75 x 1.0 m)

Size (0.60 x 0.60 x 0.6 m)

Making Anchoring using M.S. Tor bar 10 to 12 mm dia with Construction of concrete Block in R.C.C. 1:1.5:3 along the alignment of of G.I.pipe of following size in supply main and distribution system including supply of all materials with carting, labour, T&P etc. complete as per type design as per direction of engineer incharge.

Up to 32 mm

40 mm to 65 mm dia

S/F of ITRON / ACTARIS Bulk Water Meter with strainer model Woltex Class B Magnetically coupled pre equipped for remote reading of following dia

Dismantling of Bituminous road / cement concrete road pavement for laying different sizes of pipes, stacking the serviceable materials and disposal of waste materials upto a distance of 50 m including supplyof materials, labour, T&P etc. complete.

Bituminous road, BM / SDBC road at different places

CC Road

Construction of protection works for Site Development, Infiltration well Clear Water Rising Main, Sump cum Clear Water Reservoir, Service Reservoir, Feeder / Supply Main 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

(1) All kind of soil

(2) Medium Rock

Cement concrete with 40 mm gauge stone ballast, local sand and cement in proportion of 8:4:1 in foundation including supply of all materials, labour, T & P etc. complete

Cement concrete with 20 mm gauge stone ballast, local sand and cement in proportion of 4:2:1 in foundation 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. Plus 1.5% index

Providing and laying of wire crates 3.00x1.50x1.50 in size with GI wire conforming to IS: 280 & IS:4826 in 150mm x 150mm mesh laid with stone boulders. as per direction of Engineer-in- charge. (As per PWD Uttarakhand specifications) with a 8 gauge BWG GI wire

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

PART - B ( E&M WORKS ) Pumping Plant for (I/ W) Submersible Clear water Pump-Motor Set (300 LPM, 250 M Head)

160 A Main switch

Starter

Control Panel

Power Wiring & Earthing Material

Main Piping & Valves

Gauges

H.O.T Crane (2 Tonne capacity)

Tools

Rubber Resistance Sheet (1×2×0.025 M)

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

Testing : At Works

At Site

Painting

Carting

Maintenance (one year)