RENOVATION AND CONSTRUCTION OF CC LINING OF CANAL D_3 FROM CH_29745_00 M TO CH_29985_00 M UNDER SOPD FOR THE YEAR 2022_23

Amount

Renovation & Construction of 'C.C. Lining of Canal D-3' From Ch. 29745.00 m to 29985.00 m

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 afe 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) For normal lead of 30 M and lift of 1.50 M CuM (i) In all types of soils (except soil mixed with gravel and boulders)

6.15 River sand filling in plinth, canal bed, canal slopes, bases of structure, etc in layers not more than 150 mm thick including necessary carriage, watering etc, complete as directed as specified.

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 necessary timber shuttering, scaffolding etc. where necessary, complete as directed. (Shuttering, scaffolding cost will be paid separately)

Centering and shuttering including proping etc.where necessary and removal of forma after completion of CC and RCC works complete as directed(Measurement to be taken on the face area timbered)(B)(i)Shuttering (Beam)without prop.

Providing bitumen of appropriate grade in the construction joint of CC lining as per drawing complete as directed.

12 mm cement plastering including clearing surface and curing, complete as directed. (i) In proportion 1:3

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, ramming, watering, watering, dressing dressing and roughening roughening the seat of mbankment, profiling etc. Paying compensation of earth borrowed from private or forest land if any, lead pto 30 M and lift upto 1.5 M, complete as directed. (A) With ordinary Soil

Supplying fitting and fixing RCC guard post of size 15cmx15cm and 150 cm long of which 75cm below ground including squre base of size 45cmx45cmx15cm with 4nos of 12mm dia TS as main reinforcement and 6mm dia stirrups at 30cm c/c apart tying in position with black wire with cement concrete in proportion 1:2:4 with broken stone aggregate of size 6mm to 20mm includind centering ,shuttering and curing with 6mm thick cement plastering in proportion 1:3 painted black and white alternatively in 23cm stripe upto 75cm from top keeping necessary goods etc.as oer design and direction,complete as directed.

Anamul Karim Chowdhury