NIT NO. 07 (2026-2027) EE(SDW)VI/Item No.3

Arrangement of forced ventilation system with air blower, fresh air ducting and exhaust system for complete ventilation during execution of the work.

Hiring Charges of Long Boom Hydra with diesel and driver.

Providing mechanical lifting arrangement including chain pulley block, tripod/crane arrangement, wire ropes, hooks, shackles and allied T&P required for removal of debris, floating material & retrieval of bell mouths from 25 mtr deep sumps.

Removal of accumulated debis by way of manual & mechanical means. The job involves complete removal of debis/solid waste floating over the sumps by using Marine Radio KMB technology in which marine expert will dive in the sump with all marine equipment and clean the sumps. The work includes all the safety measures for manpower, infrastructure and tool & tackles as per required quantum of work. The job also includes shifting and disposal of stacked debis/solid waste by involving manual / mechanical means of machinery on interval basis for complete job as per supervision of site in-charge & NHRC guideline. The manpower is required for the same along with all the tools and tackles arrangement.

Taking out of Bell Mouths of the pumps from the sewage filled sump of approx. 22 Mtr. depth by Marine Radio KMB technology in which marine expert will dive Deep in the sump with all its marine equipment and take out of Bel Mouths with the help of lifting arrangement. The work includes all the safety measures for manpower, infrastructure and tool & tackles as per required quantum of work. The cost also includes hiring charges of marine equipment. The manpower is required for the same along with all the tools and tackles arrangement.