general-am-2025-26,tirur-chamathachal rcb-annual maintenance to tirur- chamathachal rcb at chamathachal in payyavoor panchayath ,irrikkur la in kannur district for the year 2025-26-general civil work -- 1 appendix a operation and maintenance of mechanical components 2 od9613/2025-2026:clean wheel assemblies from grit, sand or any other foreign material , grease the wheels to the the required amount as per the instruction of the departmental officers at site, check wheel by hand for free rotation, check all nuts and bolts for tightness etc complete 3 od9616/2025-2026:clean hoist bridge components, lubricate all bearings, plummer blocks, pins linkage etc, check tightness of all coupling bolts for 12 nos. of shutters, top up the gear oil in the worm reducers and execute the work etc. complete data for 1 shutter 4 od9614/2025-2026:check condition of wire ropes and rope sockets, observe balancing of gate and adjust if necessary. apply cardium compound to wire ropes to the required level as per instruction of departmental officials at site. data for 1 shutter 5 od9617/2025-2026:supplying diesel for the generator at site for hoisting and lowering of mechanical shutters including all cost and conveyance etc complete. 6 appendix b removal of wooden logs and floating material from u/s of rcb 7 od9621/2025-2026:engaging divers for removal of wooden logs, floating materials etc at upstream side of regulator shutters as per direction of the departmental officers at site. 8 od9620/2025-2026:engaging skilled labourers (man mazdoor) for assisting divers for removal of wooden logs, floating materials etc at upstream side of regulator shutters as per direction of the departmental officers at site. 9 od9622/2025-2026:engaging wood cutter (first class ) for removing blockages by cutting trees, bamboos etc which trapped in the vents of regulator including safety measures such as gum boots, glows etc.. 10 od9619/2025-2026:hire charges for machine saw including fuel and oil but excluding operator. 11 od9618/2025-2026:engaging second class boat for removing obstackles if any including labour charges for boat driver etc including all incidental charges etc complete.