CANAL MAINTENANCE WORK OF KOTESHWAR TANK

Ordinary shrub jungle (area below 25% covered by shrubs) clearance involving removal of grass, shrubs, bushes and twigs including rooting out & disposal etc. complete.

Clearance of silt and debris and maintenance (wherever needed) of one row hume pipe of dia. up to 2 m syphon or cross drainage or V.R.B. structures including upstream and downstream reaches to restore the structures to original shape, such as repair of cracks in parapet wall and/ repair of pitching & other protection works including cost of all material, labour and transportation etc. complete.

Maintenance of canals wherever required, having bed width less than 1m. or discharge less than 1 cumec (as applicable) by deploying a unit of JCB, Dumper/Tractor trolley and 10 numbers of labour to restore the bed and side slopes of canal section including service road to proper condition including clearance of all vegetation such as grass, shrubs, bushes etc. and disposal of surplus earth or borrow of earth, as needed, including cost of all materials, labour and transportation etc. complete. For lined canal

Repair of structures using M-15 cement concrete (nominal mix) including cost of all material, labour and transportation etc. complete.

Excavation in different types of soil in canal bed and sides slopes for lining, sleepers, steps, coping and under-drainage arrangement etc. including dressing to the profile and disposal of excavated materials. (i) In all king of soft/loose/hard/dense soil murrum and murrum mixed with boulder and mud.

Providing and placing approved cohesive non-swelling soils, below lining in canal bed and side slopes including serration in soil, breaking of clods, laying in layers of 15 cm thickness, cutting and finishing in required bed grade & side slopes including dressing. watering, compaction (at optimum moisture content to botained dry density not below 90%) etc, complete

Tamping in canal bed and sides including saturation up to 30 cm depth for preparation of earthen sub-grade before laying in-situ cement concrete lining

Providing and fixing in position LDPE film of 150 micron (0.15 mm) IS mark of grade 231 for bed and sides of canal including cost of all materials, labour, laying , joining as per specification etc. complete

Providing and placing in position cement, concrete with graded aggregate in canals, including cost of all material, vibration, finishing, curing for 28 says cleaning etc. complete. For sleepers,. Saftey ladders & lining of field channel&water courses using graded aggregate of maximum size 20 mm with Cement concrete M-10 (Nominal Mix)

For in-situ lining in canal (in bed and slopes &copping ) with design mix concrete) M-15 with 20 mm graded aggregate

Filling contraction joints (grooves) as per IS: 5256 with hot applied sealing compound IS:13143 including cleaning and washing grooves, painting its inner surfaces with primer IS:3384 at the rate of 1 litre per 4 sqm inclusive of cost of all materials for in-situ concrete lining etc. complete. at every 3.00 mtr interval