Protection work at Dirring FIS under SDMF for the year 2023-24 under Barama Chapaguri Division(Irrigation), Mushalpur Baksa (Package-1)

Collection of one man size 25 cm to 30 cm hard river boulder including stacking in measurable stacks of not more than 1.00 M height at quarry site and complete as directed.

.Carriage of boulders, gravels, metal screening, stacking in measurable stacks at site, complete as directed (A) For Normal Road upto 25.00 KM (ii)With Contractor's Profit & GST

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 60 M with lift upto 3 M, complete as directed.

Construction of 1.00 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 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.(ii) With river boulder (ii) With river boulder

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. (B) With hard Soil (i) Soil with gravel or morum upto 50 mm size

Earthwork in excavation in foundation of structures by means of Hydraulic Excavator in all soils including mud, silt, sandy clay from the river bed, etc, including clearing the side, dressing, etc. and removing the earth by loading to dumpers for further carriage to a safe distance, complete as directed. (0.30 CuM bucket)

CC work in proportion 1:2:4 in foundation / abutment / piers / wing walls etc. with hard river shingles of size 6 mm to 20 mm including curing with necessary timber shuttering, scaffolding where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately)Extension of Return Wall

PLAIN CC WORK WITH 40% PLUM HARD BOULDER IN PROPORTION 1:3:6 (B) WITH HARD RIVER BOULDER Plain CC work in 40% plum hard river boulder of 15 cm to 23 cm size and filled interstices with 60% cement concrete in proportion 1:3:6 with 13 mm to 38 mm size river shingles including curing, shuttering etc, complete as directed. (Shuttering cost will be paid separately)Undersluice Bays Repairing of Spill way