Repairing of Susabat 3 shutter sluice at B/dyke from Mukalani to Jhanjimukh including desiltation of leading and escape channel.

Amount

Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. I By Manual Means, (B) Cement Concrete

Excavation for Structures, Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m,dressing of sides and bottom and backfilling in trenches with excavated suitable material. Ordinary soil.3 m to 6 m depth.

Earth work in filling by mechanical means by deploying hydraulic excavator and trippers etc. including ramming with locally available ordinary soil excluding rocky soil with all lead and lift, transporting to site, spreading, dressing as per design section including ploughing or roughening or benching the seats, removing all debris, breaking clods up to 2.5cm cube, etc. complete as directed. (12.5 % deduction will be made from the section measured quantities of the completed and compacted earth work on account of shrinkage) For initial lead upto 1 Km and for all lifts.

Collection of blasted boulder of size 23 cm. to 30 cm in average and minimum weight 30 Kg having i. Specific gravity not less than 2.65, ii. Aggregate Chrushing < 30% (Wearing) & < 45% (Non - wearing) iii. Impact Value (%) max < 30% (Wearing) & < 45% (Non-wearing) and iv. Abrasion Value (%) < 30% (Wearing) & < 50% (Non - wearing) (Materials conforming to IS 2386 part III & IV 1963) and free from dust, dirt and other foreign materials including local carriage and stacking in regular measurable stacks of approximate 1 (One) m. height at site, etc. complete as directed. (10% under sized (minimum 10 cm) boulder is allowable for packing/filling the gaps occurred during execution of works). (15% deduction will be made from the stack measured quantities on account of void).

Providing and laying of PCC block of size 0.5m x 0.5m x 0.3m, made in proportion 1:2:4 on trimmed graded slope of river bank including ramming the seat, curing, carriage of the slab from the place of casting upto a distance of 200m to the work site and all handling charges, etc. and complete as directed.

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9. Sand filling

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.).

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork, PCC Grade M25, Height 5m to 10m, Without plasticiser, Using concrete Mixer

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in foundation complete as per drawings and technical specifications Clauses 1000 and 1202.

Plastering with cement mortar (1:3) 15 mm thick on brickwork in parapet as per technical specifications Clauses 613.4 and 1208.4.

Earth work in excavation of drainage channel to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead upto 50 m and all lifts, Normal Soil.

Earth work in embankment by Mechanical means by truck carriage with locally available ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 25 cm thick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 4 cm cube, dressing as per design section and compaction in layers not exceeding 30 cm in thickness and core cutter soil test at every layer and every 500 m distance, etc. complete as directed. Compaction with vibratory roller of 80-100kN Capacity For initial Lead up to 1.00 Km for all lifts.

GAGAN KALITA