Protection of Ash Dyke in ash bund area for Units 4 and 5 and also regulating the flow in the existing spillway for the period from 01.04.2025 to 31.03.2026

Providing rebuilding and raising of ring bunds on rear and sides of discharge trays of Units 4 & 5 (ash pipe discharge outlet end) and extending ring bund as and when required by using local ash filled polythene bags and also clearing the ash deposits in front of trays to facilitate / regulate free flow of ash slurry daily. The rate includes all labour, tools and plants, etc. complete but excluding the cost of empty polythene bags.

Regulating ash slurry discharge through spillway portion by providing coal stones or mill reject filled polythene bags to regulate the flow of clear water by raising / strengthening and also to watch around the inner bunds and to attend the rectification if any by providing temporary raising of bunds using ash filled polythene bags wherever required and providing protection of ash dyke roads including cost of all tools & plants, labour, etc. complete but excluding the cost of polythene bags.

Supplying and providing second hand empty polythene cement bags of approximate size 50cm x80cm to hold capacity of 50kg (thread removed condition at top and should not be in teared condition in any direction) for the ash dyke maintenance works rate including cost of materials, labour, lead, lift etc., complete.