NIT NO 20

Minor repair without unlowering and lowering of assembly pipes (Replacement or repair of chain ,Handle assembly water tank bearing greasing etc. including welding and lathe work if any.)

Major repair with unlowering and lowering of 32/50 mm GI pipes assembly including minor repair if any work also includes transportation of all material from store to work point and depositing unserviceable material to store work can be done by lowering machine/ chain pulley /any system

Repair of handpump when pipe assembly is jammed/fallen in the bore and to be taken out with help of tripod and chain pulley block etc.

Removing abandoned handpump including dismantling of platform, cutting of casing pipe minimum upto 0.3 m depth below ground level , depositing taken out material to store, filling bore with stone or earth and surface dressing.

Deduct from item no 2 (bsr item no. 2.7.2) if relowering of assembly is not done