WADI WATER SUPPLY SCHEME AUGMENTATION WORK

WADI Water Supply Scheme .Block- DWARAHAT, District – Almora

Source and Tratment Work

Construction of R.C.C. Intake chamber having (1.0mx1.0mx1.5m) size at tapping point of Makhwani, Kanoli Band and Laholi Cheda Gadhera for collection of water including supply of all materials,labour, T&P etc. complete.

French well as per Departmental Type Design

Construction of R.C.C. roughening filter cum screening chamber nearby Makhwani, Kanoli Band and Laholi Cheda Gadhera including supply of all materials,labour, T&P etc. complete.

Construction of 6m Boulder Filled Gallery (B.F.G.) nearby Laholi Cheda Gadhera including supply of all materials, labour, T&P etc. complete

Protection works @ 10% of above items and cartage as per details attached RR 1:6

RR dry

Clear Water Reservoir

Supply of all materials, labour, T&P etc and construction of R.C.C. Sump / CWR of following capacities (KL) with M.S. ladder outside & inside of the tank, M.S.M.H. cover with locking arrangement, supply and fixing of chlorinator, cowl,outlet, over flow and wash out pipes with necessary sluice valves, pipe pieces (including cost of materials) flooring 0.60 M wide apron, painting with approved water proofing (apex) / enamal paint, testing, filling water for testing purpose etc. including supply of vertical pipes and specials, assuming bearing capacity as 8MT/M2 .15 KL

R.C.C. Standards post/ struts/rails/ pales of mix 1:1.5:3 (1 cement : 1.5 coarsesand : 3 graded stone aggregate 12.5 mm nominal size) with wooden plugs or 6mm bar nibs wherever required as per direction of Engineer-in charge (cost of earth works in excavation, concrete works in foundation to be paid separately).

Fencing with R.C.C. post placed at required distance, embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post one side only, provided with horizontal lines and two diagonals of barbed wire weighing 9.38 kg per 100 metres (minimum), between the two posts fitted and fixed with G.I. staples on wooden plugs or G.I. binding wire tied to 6 mm bar nibs fixed while casting the post (cost of R.C.C. posts, struts, earth work and concrete to be paid for separately) :- Payment to be made per metre cost of total length of barbed wire used. With G.I. barbed wire

Protection works @ 10% of sub total A and cartage as per details attached. RR 1:6

RR dry

Gravity Main

Providing of all materials, carting from site store to site of work, laying & jointing of G.I. screwed pipes (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.40mm dia

50mm dia

Dismantling of following dia screwed and socketed G.I. Pipes, specials and fittings including taking out of dismantled G.I. pipes and specials from trenches and stacking them properly within 50.00m but excluding the cost of earth work 40mm dia

50mm dia

Excavation of earth for pipe line in following strata lift upto 1.5m. Lead upto 30m. Including refilling,watering,ramming of excavated earth into the trenches and removal of surplus earth upto adistance of 60m. Fromtrenches including supply of labour,T&P.etc complete.Assuming that 90%pipe line is laid in trenches ,it is estimated that 75% exavation will be in soil mixed with shingle,bajri&boulders and rest 25%will be in soft rock. Soil mixed with boulder and bajri

Soft rock

Relaying of dismantled G.I.Pipe in true alignment in trenches including supply of all materials,labour,T&P etc. complete. 40mm dia

50mm dia

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size).

50mm dia

High head cast iron air valves 15mm (T.P.-10 kg/Sqcm)

Supply of all materials, labours, T&P etc and construct gate valve chamber as per type design complete.

Supply of all materials, labours, T&P etc and construct air valve chamber as per type design complete.

Protection works @ 10% of above items and cartage as per details attached RR 1:6

RR dry

Distribution System

Providing of all materials,Carting from site store to site of work,Laying & jointing of GI (M) screwed pipes(including supply of all jointing materials, white lead, hemp and oil etc) in trenches with its cutting, threading and testing of pipe line etc complete. Medium Duty (class 'B') 15 mm

Medium Duty (class 'B') 20 mm

Medium Duty (class 'B') 25 mm

Medium Duty (class 'B') 32 mm

Medium Duty (class 'B') 40 mm

Dismantling of following dia screwed and socketed G.I. Pipes, specials and fittings including taking out of dismantled G.I. pipes and specials from trenches and stacking them properly within 50.00m but excluding the cost of earth work 15mm dia

20mm dia

25mm dia

32mm dia

40 mm dia

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge Nominal concrete 1:3:6 or richer mix

Excavation of earth for pipe line in following strata lift upto 1.5m. Lead upto 30m. Including refilling,watering,ramming of excavated earth into the trenches and removal of surplus earth upto adistance of 60m. Fromtrenches including supply of labour,T&P.etc complete.Assuming that 90%pipe line is laid in trenches ,it is estimated that 75% exavation will be in soil mixed with shingle,bajri&boulders and rest 25%will be in soft rock Soil mixed with boulder and bajri

Soft rock

Relaying of dismantled G.I.Pipe in true alignment in trenches including supply of all materials,labour,T&P etc. complete. 15mm dia

20mm dia

25mm dia

32mm dia

40 mm dia

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size).

Supply and fixing of the following fittings including cartage of materials, labours, T&P etc complete Gate valves (Class-I) as per I S 778/1997 15mm dia

20mm dia

25mm dia

32mm dia

40mm dia

Supply of all materials, labours, T&P etc and construct gate valve chamber as per type design complete.

Supply of all materials,labours ,T.&P. etc. and making ferrule connection to provide FHTC to the consumers under JJM complete (Excluding pipe for a single connection) (For leftover conections)

Protection works @ 5% of above items and cartage as per details attached RR 1:6

RR dry

Cartage of Material

Bulk Meter