Idukki HEP Annual Maintenance of Kulamavu Dam for the year 2026 to 27 Maintenance of approach road and control shaft premises of Kulamavu dam and Bubbler system

Clearing light jungle without uprooting of thick vegetation and small trees of girth upto 30 cm and removal of rubbish upto a distance of 150 m outside the periphery of the area cleared.

Removing slipped earth from drains and depositing with initial lead and lift as directed by the departmental officres

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.

Clearing chocked up drains by excavating and removing earth silt and slurry and other debris to the required gradient and depositing the spoil within initial lead and lift.From Sub station junction to control shaft.

Making fire belt around the fencing by trimming,dressing and sectioning to lines and levels and depositing the spoil within intial lead and lift from the periphery of the area cleared- Bubbler system area