Structural repair, painting and other civil works of New DRHR building, Helium plant building and other sea side buildings, North Site, BARC, Trombay.

Dismantling old plaster / skirting carefully , raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 100 m lead

75 mm Dia C. I pipe

100 mm Dia C. I pipe

Removing white or colour wash, distemper, external paint by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete all as directed at site including scaffolding, cleaning of the areas.

Providing 20 mm thick plastering using Ready mix external plastering compound of approved make for external faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning scaffolding up to 10 metres height complete.all as per specifications including forming drip moulds wherever necessary and as directed by the Engineer-in-charge

Providing 15 mm thick plastering using Ready mix internal plastering compound of approved make for internal faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning, scaffolding complete all as per specifications and as directed at site by the Engineer-in-charge. Note: Actual Areas will be measured

Providing structural repairs in old damaged concrete structures / surfaces with approved Polymer with following operations 1) Removal of loose/Spalled or damaged concrete by chipping and cleaning the concrete surface and reinforcement steel with wire brush and with water 2) Cleaning the re bars with Acetone for complete rust removal and washing with water to make the surface clean. 3) Applying protective coat / bond coat using polymer and cement in the proportion of 1; 1.5 (1 part of polymer and 1.5 parts of cement in synthetic enamal paint like consistancy with brush 4) Reinstate the area with polymer modified mortar in layers of maximum 20 mm with the proportion of Cement 50 Kg : washed and Quartz sand 87.50 kg ; silica sand 37.50 Kg. mixed with 10 litres of Polymer (or 1 Kg cement : 1.75 kg Quartz sand ; 0.75 Kg silica sand : 200 ml polymer)5) If thickness of repair exceeds 20mm , after every 20 mm thick repair, bond coat as per 2 above to be applied and further thick of repair to be continued for each layer. This work is inclusive of all materials, labour, complete all as directed at site using approved polymer suitable for structural repair shall be used). Note: Scaffolding will be paid separately under relevant item & documentry evidence i.e purchasing of materials/tax invoices are to be submitted.

Providing SFMC Micro concrete for strengthening of structural members including mixing, pouring, curing as per manufacturer specifications and as directed by the Engineer-in-charge Using 100% SFMC

Providing and fixing double tubular scaffolding system using H - frames with cup lock type on the exterior side upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. The elevational area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding