Construction of Canal System at Kristi Flow Irrigation Scheme under PMKSY-HKKP for the year 2021-22

Amount

Construction of CC Canal Lining Earthwork in excavation in foundation of canal structures in all types of soil as per design and drawing including dressing the foundation, shoring etc. removing the surplus spoil by head lead to a safe distance from the working place and depositing required spoils in uniform layer dressing, watering, breaking clods to not more than 10 mm cube with compaction as directed at site. (including bailing out stagnant water where necessary)

Labour for preparation of sub grade of lined canal section as per design drawing and grade by ramming and rolled to level and according to the required cross section of the canal including cutting, filling the existing canal section where necessary compacing the earth in layers in not more than 15cm thick to form a firm compacted bed and side for lining including watering to obtain required moisture content where necessary etc. complete as directed.

Collection & supply of sand mixed gravel contains 40% of sand 60% of river gravel of size 13 mm to 38 mm free from all foreign materials including carriage from quarry to work site loading, unloading and stacking in measurable stacks as directed by the department (including paying of forest royalty and sales tax etc.) distance = 25 KM

Labour charge for spreading of hard river grvel/broken stone/sand gravel mixture of size of gravel 13 mm to 38 mm to required thickness including ramming and dressing the seat before laying the materials as directed complete all carriage etc.

CC work in lined canal in prop. 1:2:4 with river shingles of size 6mm to 20mm free from dust, dirt and other foreign materials conforming to IS 2116-1965 and 542-1962 as specified by the department, water used for mixing the mortar should be free from all impurities including laying the concrete over subgrade, moistured thoroughly by hand placing/ mechanical placing in canal of not more than 3m side with suitable joints in between including providing bed sleepers (cast in situ or pre cast) under joints with providing all sealing materials as per design and drawing before laying concrete including finishing the surface smooth, clean of all impurities with curing the bed by manual labours and side by sprinkling for at least 28 days etc. complete as directed.(Proper arrangement for obtaining clean water should be made at site.)

Earthwork in Canal System Earth work in all soils in canal embankment & bed filling as per designed section and grade by truck carriage from a minium distance of 4 K.M. including paying compensation of earth obtained from private land if any, loading, unloading & making stacks not more than 1 M height & then spreading the same in embankment in layers not exceeding 15 cm. thick including clearing light jungles removing trees upto 15 cm. dia. & uprooting roots & stumps etc. from the seat of embankment breaking clods to not more than 10 mm cubem ramming, dressing, roughening the seat of embankment, profilling etc. with all lift complete as directed (Payment will be made after deduction of 12.50 % shrinkage allowance from the gross quantity) a) Ordinary Soil

SAMBHU MANDAL

BIRKHANG BASUMATARY