Rajadabri Flow Irrigation Scheme

Amount

Construction Of Spillway Earthwork in excavation in foundation of Headwork in all types of soil as per design and drawing including dressing the foundation, shoring etc. removing the surplus spoils by head load to safe distance from the working place and depositing the required spoils in uniform layers, dressing watering, breaking clods to not more than 10 mm cube with compensation, complete as directed at site. (including bailing out stagnant rain water where necessary) (A)Without De- Watering

(B)With De- Watering

C.C work in prop. 1:3:6 with aggregate of size 13 mm to 38 mm free from dust, dirt &other foreign materials including rodding / vibrating, bailing out of water where necessary andcuring with supplying of all materials complete as directed (Temporary arrangement for obtain-ing clean water should be made at site. (Machine mixed) i) River shingles with shuttering and with de-watering.U/S Abutment and Return Wall of Spillway .:-

ii) River shingles with shuttering and without de-watering.U/S Abutment and Return Wall of Spillway .:-

ITEM NO.3 :- Supplying, fitting, fixing and laying of reinforcement(TATA)in position in RCC work including cutting, bending, cranking with two piles 0.91 M (20 BWG) annealed wire hooking tying, complete as directed

Supply of Z-type sheet pile of effective width 0.69 M, thickness 8 mm and average weight 68.30 Kg/Mincluding loading and unloading

Driving "Z" type sheet pile of 0.69 m effective width, 8 mm thick and average weight 68.30 Kg/M to specified level and lines including cutting to proper size, making holes including painting sheet piles with two coats of anticorrosive bitumen paint and dewatering including necessary tools and plants and all other accessories, complete as directed. (portion of sheet pile are to be embedded in concrete shall not be painted)

Collection and supply of one man size hard river boulder (size 25 cm to 30 cm) including loading, unloading and stacking in measurable stacks at site not more than 1.00 m heightincluding paying the forest royalty, sales tax etc. including local carriage to work site etc. compl-ete as directed. (Distance from querry to the work site is 51 km)

Labour charge for pitching with one man size boulder including ramming and dress-ing the site to proper size and shape with local carriage of boulder from a distance of 50 m withlift up to 3.00 m complete as directed.

Collection and supply of hard river gravel of size 6 mm to 20 mm including carriageto the work site and stacking in measurable stacks etc. complete as directed. (Distance from the querry to the work site = 51 km).

Labour charge for spreading of hard river gravel / broken stone of size 6 mm to 20mm to the required thickness including ramming and dressing the seat before laying the mater-ials including all local carriage etc. complete as directed.

Supplying and mixing of rapidite with C.C / R.C.C work under sub-surface waterlevel complete as directed.

12 mm thick cement plastering including clearing the surface and curing etc. compl-te as directed. (Prop. 1:3)

Earth work in back filling of structure with earth obtaining from outside borrow pitfilling with 15cm layer, ramming, dressing, watering and compaction including paying compens-ation of land, if any with lead up to 3.00 m and lift 1.50 m.Back filling of abutment and return wall,

Detailed Estimate of 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 4 KM including paying compensation of earthobtained from private, if any, loading, unloading spreading the same in embankment in layers not exceeding 15 cm thick including clearing light jungles, removing trees upto 15 cm dia & uprootingroots & stumps etc. from the seat of embankment, breaking clods to not more than 10 cm cubes ramming, dressing, roughening the seat of embankment, profiling etc. with all lead and lift completeas directed. (12.5% shrinkage allowance to be considered).

Collection & supply of one man size hard Boulder of size 23 cm. to 30 cmincluding loading, unloading, stacking in measurable stacks at site not more than 1 m height including paying forest royalty sales tax etc. including local carriage to work site (Distance from Quarry to work site = 60 k.m.)

Construction of 1.50 M x 1.00 M rectangular boulder sausage including supplying of materials with 25 cm to 30 cm size boulders collecting from a lead of 25 KM encased in 15 cm mesh of 8G hexagonal wire netting and filling the voids between the boulders with stone not exceeding 18 cm in size tied with 8G galvanized tying wire at 30 cm apart, laid in position as directed including necessary local carriage of materials, paying necessary forest royalty includingproviding 1 (one) no. of jati bamboo horizontal runner along the top of the sausage with vertical bhaluka bamboo post 1.20 M apart driven at least 0.60 M below ground and tying with sausage etc, all complete as directed.

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 50M with lift up to 3 M complete as directed.

Detailed Estimate of Afflux Bund Earthwork in all soils in canal embankment & bed filling as per designed section and grade by truck carriage for a minimum distance of 4 KM including paying compensation of earthobtained from private, if any, loading, unloading spreading the same in embankment in layers not exceeding 15 cm thick including clearing light jungles, removing trees upto 15 cm dia & uprootingroots & stumps etc. from the seat of embankment, breaking clods to not more than 10 cm cubes ramming, dressing, roughening the seat of embankment, profiling etc. with all lead and lift completeas directed. (12.5% shrinkage allowance to be considered).

Detailed Estimate of Improvement of Public Dong Earthwork in all soils in canal embankment & bed filling as per designed section and grade by truck carriage for a minimum distance of 4 KM including paying compensation of earth obtained from private, if any, loading, unloading 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. fromthe seat of embankment, breaking clods to not more than 10 cm cube, ramming, dressing, roughening the seat of embankment, profiling etc. with all lead and lift complete as directed. (12.5% shrinkage allowance to be considered

Construction of Cattle Crossing Culvert Earthwork in excavation in foundation of canal structures in all types of soils as per design and drawing including dressing the foundation, shoring etc. removing the surplus spoils by head load to safe distance from the working place and depositing the required spoils in uniform layers, dressing, watering, breaking clods to not more than 10 mm cube with compensation, complete as directed at site. (Including bailing out stagnant rain water where necessary). A. In all types of soils (except soil mixed with gravel and boulders) (i) For normal lead of 30 M and lift of 1.50 M

Cement concrete work in prop. 1:3:6 with aggregate of size 13 mm to 38 mm free from dust, dirt & other foreign materials, including rodding / vibrating bailing out of water where necessary & curing with supplying of materials complete as directed ( temporary arrangement for obtaining clean water should be made at site ) river shingles.

R.C.C work in prop. 1:2:4 with aggregate of size 6 mm to 20 mm free from dust, dirt and other foreign materials with proper reinforcement as design and drawing including rodding / vibrating, curing etc. with bailing out water necessary complete as directed.( Pavement of reinforcement will be made separately) (I) With shuttering without dewatering

Supplying fitting fixing laying reinforcement bar in position in R.C.C work including cutting bending cracking with two piles 90 mm ennealed wire hooking tying complete as directed.

Centering and shuttering including proping etc. where necessary and removal of forms after completion of C.C. and R.C.C. works complete as directed. (Measurement to be taken on face area timbered)

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

Collection & supply of one man size hard boulder of size 25 cm. to 30 cm. including , loading, unloading and stacking at measurable stacks at site not more than 1 m height including paying forest royalty, sales tax etc. including local carriage to work site ( distance from quarry to work site = 25 K.M)

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 boulder from a distance of 50 m with lift upto 3 m complete as directed.

Earthwork in back filling of structure with earth obtaining from outside borrow pits, filling with 15 cm layer ramming, dressing and compaction and watering including paying compensation of land, if any with lead up.

Earthwork in all soils in canal embankment & bed filling as per designed section and grade by truck carriage for a minimum distance of 4 KM including paying compensation of earth obtained from private, if any loading, unloading and stacking at not more than 1.00 m height and 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 cube, ramming, dressing, roughening the seat of embankment, profiling etc. with all lead and lift complete as directed.

JAINUR HAQUE