Borjhora Flow Irrigation Schem under RIDFXXVII NABARD for the year 2021_22 under Bongaigaon Abhayapuri North Division_I_ Bongaigaon under Dhubri Circle Bongaigaon

Amount

Construction of Diversion Canal

Item No.1:- Eartwork in excavation in diversion/feeder channel to the design section and grade by depositing the spoils in the form of embankment on either side to the design section and grade in layers ont exceeding 15 cn thick including clearing light jungles and trees upto 15 cm dia and uprooting roots and stumps etc. from the seat of embankment and canal and free from all vegetation including breaking clods not more than 10 mm cube, ramming, dressing, bailing out stagnant rain water necessary complete as directed with a lead upto 30 m and lift upto 1.50m.

Construction of Coffer Dam

Item No.1:- Construction of whole bamboo single pallasiding with matured jati bamboo postof 6 cm to 7.5 cm dia fixed 15 cm clear apart 1.2 M to 1.5 M above ground and1 M to 1.20 M below ground with jati bamboo struts placed 1.2 M to 1.5 Mapart tied with galvanized wire with 16 G to 18 G with three rows of horizontalhalf jati bamboo double kamies fixed with 16 G to 18 G, complete as directed

Item No.2;-Supply and laying of cement bags filled with sand/ earth (as locally available)including stitching the mouth, laying, fixing in position as directed complete withsupply of bags, sutlies etc, all complete as directed.

Item No.3:-Labour charge forfilling the cement bags with sand/earth(aslocallyavailable)including stitching the mouth, laying the filled bags in position etc, all completeas directed.

Construction of Cross Regulator:

Item No.1:-Earthwork in excavation in foundation of canal structures in all types of soils asper design and drawing including dressing the foundation, shoring etc. removingthe surplus spoils by head load to safe distance from the working place anddepositing the required spoils in uniform layers, dressing, watering, breakingclods to not more than 10 mm cube with compensation, completeas directed atsite. (Including bailing out stagnant rain water where necessary). (A) In all types of soils (except soil mixed with gravel and boulders)

Item No.2:-CC work in proportion 1:4:8 in foundation/ abutment/piers/ wing walls etc. with hard river shingles of size 13mm to 38 mm including curing, dewatering with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No.3:- CC work in proportion 1:3:6 in foundation / abutment / piers /wing walls etc.with hard broken stone aggregate of size 13 mm to 38 mm including curing with necessarytimber shuttering, scaffolding etc. where necessary, complete as directed.(Shuttering, scaffolding cost will be paid separately).

Item No.4:-RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No.5:- Centering and shuttering including propping etc where necessary and removalof forms after completion of CC and RCC works, complete as directed.(Measurement to be taken on the face area timbered)

Item No.6:-Supplying fitting fixing and laying 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.

Item No.7:-12 mm cement plastering including clearing surface and curing, complete as directed. Prop.1:4

Item No.8:-Supplying 1 1/2" dia GI pipe for hand railing including fitting & fixing the same inposition etc, complete as directed

Item no.9:-Supplying and providing steel gate with wheel operated system including all accessories complete as directed. (Rate as per previous approve rate)

Item No.10:-Earthwork in back filling of structures, obtained from outside borrow pits fillingin 15 cm layers, ramming, dressing, watering, including paying compensation ofland if any (with lead up to 30 M and lift 1.5 M).

Item No.11:-Collection of blasted boulder of size 25 cm to 30 cm including stacking at quarry site, completed as directed.

Item No.12:-Carriage of boulders, gravels, metal screening, stacking in measurable stacks atsite, complete as directed. (A) For Normal road up to 25.00 KM (ii) With contractor profit & GST

Item no.13:-Labour charge for pitching with one man size boulder including dressing and ramming the seat to proper site and slope, pitching etc.with locall carriage of boulders from a distance of 60 m with lift upto 3 m , complete as directed.

Construction of Head Regulator:-

Item No.1:-Earthwork in excavation in foundation of canal structures in all types of soils asper design and drawing including dressing the foundation, shoring etc. removingthe surplus spoils by head load to safe distance from the working place anddepositing the required spoils in uniform layers, dressing, watering, breakingclods to not more than 10 mm cube with compensation, completeas directed atsite. (Including bailing out stagnant rain water where necessary). (A) In all types of soils (except soil mixed with gravel and boulders)

Item No.2:-CC work in proportion 1:4:8 in foundation/ abutment/piers/ wing walls etc. with hard river shingles of size 13mm to 38 mm including curing, dewatering with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No.3:- CC work in proportion 1:3:6 in foundation / abutment / piers /wing walls etc.with hard broken stone aggregate of size 13 mm to 38 mm including curing with necessarytimber shuttering, scaffolding etc. where necessary, complete as directed.(Shuttering, scaffolding cost will be paid separately).

Item No.4:-RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No.5:- Centering and shuttering including propping etc where necessary and removalof forms after completion of CC and RCC works, complete as directed.(Measurement to be taken on the face area timbered)

Item No.6:-12 mm cement plastering including clearing surface and curing, complete as directed. Prop.1:4

Item No.7:-Supplying fitting fixing and laying 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.

Item No.8:-Earthwork in back filling of structures, obtained from outside borrow pits fillingin 15 cm layers, ramming, dressing, watering, including paying compensation ofland if any (with lead up to 30 M and lift 1.5 M).

Construction of U/S & D/S Guide Bund & Approach Road:-

Item No.1:-Earthwork in filling in Marginal bund / Guide bank / Afflux bund / Canal embankment etc. to the design section and grade by obtaining earth from outside borrow pits and filling in uniform layers not exceeding 15 cm thick including clearing light jungle, removing trees upto 15 cm dia and uprooting roots and stumps from the seat of embankment and borrow pit area, breaking clods not more than 10 mm 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 30 M and lift upto 1.5 M, complete as directed. (A) With ordinary Soil

Item No.2:-Collection of blasted boulder of size 25 cm to 30 cm including stacking at quarry site, completed as directed.

Item No.3:-Carriage of boulders, gravels, metal screening, stacking in measurable stacks atsite, complete as directed. (A) For Normal road up to 25.00 KM (ii) With contractor profit & GST

Item No.4:-Labour charge for pitching with one man size boulder including dressing and ramming the seat to proper site and slope, pitching etc.with locall carriage of boulders from a distance of 60 m with lift upto 3 m , complete as directed.

Item No.5:- 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 leadof 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 including providing 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. (i) With blasted boulder

Item No.6:-Collection of sand gravel (40% sand and 60% gravel of size 25 mm to 60 mm)free from dust and dirt including stacking in measurable stacks at quarry site and making payment of forest royalty etc. as directed complete.

Item No.7:-Carriage of boulders, gravels, metal screening, stacking in measurable stacks atsite, complete as directed. (A) For Normal road up to 25.00 KM (ii) With contractor profit & GST

Item No.8:-Labour chargefor spreading hard river shingles / sand gravels to requiredthickness over approach subway etc. including ramming, dressing the seatbefore laying the materials lead upto 30 M and lift 1.50 M, complete asdirected.

Construction of Main Canal:-

Item No.1:-Labour for preparation of subgrade 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 typical lined canal including cutting, filling the existing canal section where necessary compacting the earth in layers in not more than 15 cm thick to form a firm compacted bed & side for lining including watering to obtain required moisture content where necessary etc, complete as directed. i) for ordinary soil

Item No.2:-Soling in foundation at all levels including filling intersides, ramming etc complete as directed and of specified thickness with 9 cm brick on flat including sand packing.

Item No.3:-CC work in proportion 1:4:8 in foundation/ abutment/piers/ wing walls etc. with hard river shingles of size 13mm to 38 mm including curing, dewatering with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately)..

Item No.4:-RCC work in slab, abutment cap and above abutment, pier cap, pedestal, dirt wall etc. in proportion 1:2:4 with hard broken stone aggregate of size 6 mm to 20 mm with proper reinforcement as per design including curing etc. with necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately).

Item No.5:-Centering and shuttering including propping, nailing, bolting with earth oiling inside face etc and removal of forms after completion of CC and RCC works etc, complete as directed. (Measurement to be taken on the face area timbered). (Abutment / Return Wall / Piers / Pedestal etc.). With 19mm thick plyboard.

Item No.6:-Supplying fitting fixing and laying 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.

SHRI DHANESH MEDHI