Additional Protection work for L/S bank of Mej River near Gendoli lift irrigation Project

ITEMS

Demolishing of reinforced concrete including stacking of usable material and disposal of unuseable material within 50 m lead inclusive of de-watering wherever required.

Add extra for all type of dismantling work for height more than 5 m from ground level for every additional height of 3.0 m or part there-of.

Excavation including loading, unloading, disposal and dressing of excavated earth within initial lead of 50m and lift up to 1.5m including dressing of excavated area and dewatering wherever required complete in all respect(b)Hard / dense soil

Supply of wire crates in required sizes made of hot dipped G.I. Wire conforming to IS 4826 -1979 having mesh of 10 cm x 10 cm (surface area of crate will be measured) made of wire of 5 mm diameter.

Filling crates with stone, in position at site including hinging with hot dipped G.I. Wire 5 mm dia, excluding cost of wire crates, including cost of stones in position complete in all respects.

Earth work in rough (borrow area) excavation for embankments in hard soil, morrum or highly weathered strata dry or moist, including laying in 20 cm layers (before compaction) and breaking of clods, sorting of grass, pebbles etc. and dressing when compacted by vibro compactor, vibro sheep foot roller, sheep foot roller/pneumatic tyred roller to obtain dry density of at least 98% of Standard Proctor's density with initial lift of 1.5m (Excluding charges for compaction and watering) including loading and un-loading wherever required complete in all respect.With lead beyond 250 m and up to 750 m (½ Km)

Add extra for each subsequent lead of 500m or part there of beyond ½ Km and up to 5 km (2 km extra lead}

Compaction of earth or highly weathered strata By mechanical equipment such as sheep foot roller/ pneumatic tyred roller/vibro compactor / vibro sheep foot compactor required as per site condition to obtain dry density of.(ii) at least 98% of Standard Proctor's density

Watering of earth including cost of carriage of water when source of water is up to 1 Km

Supplying and laying quarry spalls properly graded but not more than 10cm in size with spreading in required profile including all leads & lifts

Extra charges for disposal of excavated/re-handled material in required profile laid in uniform layers and given side slopes well dressed having layer thickness including loading and un-loading wherever required with cost of dewatering wherever required complete in all respect Not exceeding 20cm

Providing and Laying in position of Cement concrete Design mix M-15 including leads of all construction materials, plasticizers (if required), curing, compaction and finishing with rendering in cement sand mortar 1:3 ( 1 cement : 3 coarse sand) and making good the joints excluding the cost of centering, shuttering and reinforcement. Well graded crusher broken stone aggregate of maximum size upto; (For mix design Cement content considered 320 kg/ cum of concrete) (d)20mm

Providing and Laying in position of Cement concrete Design mix M-20 including leads of all construction materials, plasticizers (if required), curing, compaction and finishing with rendering in cement sand mortar 1:3 ( 1 cement : 3 coarse sand) and making good the joints excluding the cost of centering, shuttering and reinforcement. Well graded crusher broken stone aggregate of maximum size upto; (For mix design Cement content considered 400 kg/ cum of concrete) (d)20mm

Supplying of M.S. reionforcement including labour charges for bending binding and placing in position all reinforcement as per drawing including cost of binding wire and all leads and lifts using. (ii)Tor or ribbed bars (IS :1786-1985)

Extra labour charges for RCC due to obstruction in laying and placing the reinforced cement concrete due to reinforcement. (a)In foundation rafts, beams, columns bases stilling basins, buckets, aprons etc. (non suspended horizontally laid mass concrete)

Side shuttering including propping etc. complete (to achieve finish F 2 for : (c)Retaining wall, counterfort, abutment, wing walls up stream or down- stream slope facings of dams and open faces of construction joints etc.