Others-Urgent renovation works required for Cliff House OHSR under Kowdiar sectionStructural rehabilitation works inside OHSR roof and side walls at Cliff House OHSR-Pipeline Work

Working charges

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

OD236006/2025-2026:Interconnection of existing DI mains upto 200mm dia., with existing 75mm PVC pipe lines using DI specials and PVC specials including cost of materials, hire for tools, cost of consumables and all labour charges etc. complete as per direction of departmental officers

26.28.1:Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge75mm average thickness

OD235412/2025-2026:Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of Fosroc Rebaklens RR with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars above 12 mm diameter

OD235411/2025-2026:Providing and applying Fosroc Nitozinc Primer at rusted steel reinforcement portions as per direction of Engineer In charge.

OD235410/2025-2026:Providing, mixing and applying bonding coat of Nitobond EP on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect

OD235409/2025-2026:Providing and applying Renderoc S2 for the reinstatement of concrete in localised patch repairs and protect embedded steel reinforcement.

OD239944/2025-2026:Providing and fixing portable pump including running cost of pump

Supply of materials

100.98.235:Supply of PVC Pipe, 10kg/cm2, 75mm Dia.

100.98.240:Supply of PVC Pipe, 10kg/cm2, 200mm Dia.