State Plan DRW 2025 26 CWSS to Cheekode and Adjoining Villages Source improvement AND Water conservation Desilting and Cleaning of Intake Well at Erattamuzhi General Civil Work

Desiltting of well

100.54.5.9: Desilting open wells of dia above 9.0m and up to 12.0m and depth up to 16.5m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

100.54.5.10:Desilting open wells of dia above 9.0m and up to 12.0m and depth up to 18.0m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

100.54.5.11:Desilting open wells of dia above 9.0m and up to 12.0m and depth up to 19.5m by earth work excavation in or under water, after closing the inlet valves and plugging any holes in the steining by engaging divers with breathing accessories, bailing out water using pump set of suitable capacity, lifting the excavated silt/mud/clay using ropes, pulleys and buckets and disposing the same within minimum lead of 50 m from the periphery of the well, including engaging coolies for scrapping the inner side of the well, without causing any damages to the existing structures and installations, including hire and conveyance of tools and plant and as per the directions of the department officers etc. complete.

100.52.S.1:Sub Data for providing Earth filled cement bags including cutting of the Earth, filling, conveying and placing in position.

100.52.S.2:Sub Data for Filling with contractor's own earth (excluding rock) in the core portion of the earthen bund by consolidating each deposited layer by ramming and watering, as per direction of the departmental officers.

100.98.1008:Engaging Coolie.

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

100.52.S.5:Sub Data for Dismantling the sand / earth filled cement bag from the foundation site of bund, apron on both sides, counter wall and removing the sand/earth from the bag and disposing the damaged cement bags properly as per the direction of the department officers including all cost of labour charges etc complete.

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