Rajkhungri Flow Irrigation Scheme under PMKSY (HKKP) for the year 2022-23

Detailed Estimate for Improvement of approach road to proposed work site Earth work in filling in all soils in canal embankment & bed filling as per designed section and grade by truck carriage for a minimum distance of 4Km including paying compensation of earth obtained from private, if any loading, unloading, spreading the same in embankment in layers not exceeding 15cm thick including clearing light jungles, removing trees up to 15cm dia. & uprooting roots & stumps etc. from the seat of embankment, breaking clods to not more than 10mm cube, ramming, dressing, roughening the seat of embankment profile etc. with all lead and lift complete as directed. (Payment will be made after deduction of 12.50% shrinkage allowance from the gross quantity).

Collection and supply of sand mixed gravel contains 40% of sand and 60% of river gravel of size 13mm to 38mm free from all foreign materials including carriage from the quarry to work site, loading, unloading and stacking in measurable stacks as directed by the department, including labour charge for spreading the same to the required thickness, ramming, dressing the seat before laying the materials and making payment of forest royalty and sales tax etc. as directed complete. (Distance of work site from quarry = 25 km).

Construction of Diversion channel and U/S & D/S Cofferdam at proposed H/W site Earth work in excavation of diversion / feeder channel to the design section and grade by depositing the spoils in the form of an embankment on either side of the design section and grade in layers no exceeding 15cm thick including clearing light jungles and trees upto 15cm dia and uprooting roots and stumps etc. from the seat of embankment and canal free from all vegetation including breaking clods not more than 10mm cube, ramming, dressing bailing out stagnant rain water where necessary complete as directed with a lead upto 30m and lift upto 1.5m. (A) In ordinary soil.

Construction of whole bamboo single pallasiding with matured bhaluka bamboo post of 7.5cm to 10cm dia 5cm clear apart 1.50M to 1.80M above ground and 1.00 M to 1.20M below ground with jati bamboo struts placed 1.20M to 1.50M apart tied with galvd wire of 16G to 18G complete with 3 rows of horizontal half jati bamboo kamies complete as directed.

Supplying and laying of empty cement bags filled with sand/ earth (as locally available) including stitching the mouth, laying, fixing in position as directed complete with supply of bags, sutli etc. complete as directed.

Earth work in filling in marginal bund/ Guide bund/ Afflux bund/ Canal embankment etc. to the design section and grade by obtaining earth from out side borrow pits and filling in uniform layers not exceeding 15cm thick including clearing light jungles, removing trees upto 15cm dia and uprooting roots and stumps from the seat of embankment and borrow pit area, breaking clods not more than 10mm cube ramming, watering, dressing and roughening the seat of embankment profiling etc., paying compensation of earth borrowed from private or Forest land if any, lead upto 30m and lift upto 1.5m complete as directed.

Construction of Head Work Earth work in excavation in foundation of head work in all types of soil as per design and drawing including dressing the foundation, shoring etc. removing the surplus spoils by head lead to safe distance from the working place and depositing the required spoils in uniform layers, dressing, watering, breaking clods to not more than 10mm cube with compensation, complete as directed at site. (Including bailing out stagnant rain water where necessary). (A) In soil mixed with gravel and boulder upto 30cm size. (i) For normal lead of 30m and lift of 1.50m.

With dewatering by using 1no. 10 HP water pump. Below River Bed Level

Supplying, fitting, fixing and laying in position M.S. Rod/ Torsteel/ TMT bars of all sizes as per design & drawing as required including cutting, bending, cranking with necessary lappage and tying with black wire complete as directed.

R.C.C. work in proportion 1:2:4 with aggregate of size 13mm 38mm free from dust and dirt and other foreign materials including roding (vibrating), bailing out water where necessary and curing etc. with supplying all materials complete as directed. (Temporary arrangement for obtaining clean water should be made at site). i) With shuttering & with dewatering

ii) With shuttering & without dewatering

Cement Concrete work in proportion 1:3:6 with aggregate of size 13mm 38mm free from dust and dirt and other foreign materials including roding (vibrating), bailing out water where necessary and curing etc. with supplying all materials complete as directed. (Temporary arrangement for obtaining clean water should be made at site). i) With shuttering & with dewatering :

supply of Z-type sheet pile of effective width of 0.69 m, thickness 8mm and average weight 68.30kg/m including loading and unloading.

Labour placing in position of imported Z-type sheet pile including cutting to proper size, making holes etc and driving it to the specified level and lines including painting sheet piles with two coats of anti-corrosive paint (portion of sheet pile to be embeded in concrete shall not be painted) including carriage from departmental godown complete as directed.

Collection and supply of gravel free from dust, dirt and other foreign materials, paying forest royalty, sales tax etc at work site including stacking in measurable stacks complete as directed. (Considering average distance of 25Km).

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

12mm thick cement plastering including clearing the surface and curing complete as directed. (In Prop 1:3).

Collection & supply of one man size 25cm to 30cm hard river boulder including loading, unloading, carriage & stacking at measurable stacks at work site not more than 1.00m height including making payment of forest royalty, sales tax etc. complete as directed. (Carriage distance, Quarry road = 1.00Km and Normal road = 44.00Km)

Labour charge for pitching with one man size boulder including dressing and ramming the seat to proper size and slope with voids filling and local carriage of boulders from a distance of 50m with lift up to 3.00m complete as directed.

Earth Work in back filling of structures with earth obtaining from out side borrow pits filling with 15cm layers, ramming, dressing, compacting and watering including paying compensation of land if any with lead up to 30M & lift 1.5m complete as directed.

Supplying, fabricating, fitting and fixing of steel gates of Cross and Head Regulators as per design, drawing and specifications including fabricating, fitting and fixing of operating platform including supplying steel beam, channel sections, rubber seal etc. including all materials embedded partly where necessary and manual operated hoisting equipments including carriage of all materials to work site complete as directed.

Supplying and mixing of rapidite in concrete works below ground water level where necessary etc complete as directed.

Supplying, fitting and fixing 38mm dia. GI pipe for hand railing in three rows including two coats of silver painting etc complete as directed.

Detailed Estimate for Construction of Afflux Bund and Guide Bund Earthwork in all soils in canal embankment & bed filling as per designed section and grade by truck carriage for a minimum distance of 4km including paying compensation of earth obtained from private land if any, loading, unloading and stacking in measurable stacks not more than 1.00 m height, spreading the same in 15cm thick including clearing light jungles, removing trees upto 15cm dia & uprooting roots & stumps etc. from the seat of embankment, profiling with all lift complete as directed. (Payment will be made after deduction of 12.50% shrinkage allowance from the gross quantity).

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)

Construction of boulder sausage work of size 1.00M x 1.00M including supplying of all materials with 23cm to 30cm size river boulder collecting from a lead of 50.00Km encaged in 15cm x 15cm mesh of 8G hexagonal wire netting and filling the voids between the boulders with stone not exceeding 18cm in size tied with 8G glavd tying wire at 30cm apart laid in position as per directed including necessary local carriage of materials, paying necessary forest royalty including providing 1No of Jati bamboo horizontal runner along the top of the sausage with vertical bhaluka bamboo post 1.50M apart driven at least 0.60M below ground and tying with sausage etc all complete as directed. (With river boulder)

Collection & supply of one man size hard river boulder of size 23 cm to 30 cm including loading, unloading, stacking in measurable stacks at site not more than 1.00 m height including paying forest royalty, sale tax etc. including local carriage to work site etc. complete as directed. (Quarry distance from the work site is 1km quarry road and 49 km normal road).

Labour charge for pitching with one man size boulder including dressing and ramming the seat to proper size and slope, pitching etc with local carriage of boulders from a distance of 60m with lift upto 3m complete as directed.

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