Directorate General Of Lighthouses And Lightships Tender

Providing, mixing and applying bonding coat of SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2kg cement per sqm of surface area mixed with specified proportion of approved polymer on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect including cost of all materials, labour, tools & plants, scaffolding etc completed as directed.

Centering and shuttering including strutting, propping etc. and removal of form for Columns, Pillars, Piers, Abutments, Posts and Struts including cost of all materials, labour, tools & plants,scaffolding etc complete as directed.

Providing and laying SBR Polymer modified (of approved make @ minimum 2% by wt. of cement used) plain/reinforced concrete jacket for the structural members e.g. columns, pillars, piers, beams etc with 1:1:2 concrete with ordinary portland cement (not less than 330kg per cum, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria, with 75mm thickness all-round existing core of RCC member. (Rates shall be for finished surface area of concrete and shall include the cost of making holes in existing RCC slab, if required, for pouring concrete in shuttering mould of jacket and appropriate approved Super-Plasticiser for rendering concrete as flowable self compacting and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering,strutting, propping etc including cost of all materials, labour, tools & plants, scaffolding etc completed as directed. (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument)

12 mm cement plaster finished with a floating coat of neat cement of mix :1:4 (1 cement: 4 fine sand) including cost of all materials, labour, tools & plants ,scaffolding etc complete as directed.

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :Water thinnable cement primer, including cost of all materials, labour, tools & plants ,scaffolding etc complete as directed.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats including cost of all materials, labour, tools & plants ,scaffolding etc complete as directed.

Providing and fixing scaffolding system to support the canopy beam and slab, upto 5.00 metre height, above ground level, made with 40 mm dia G.I. telescopic adjustable props, placed 0.30 metre centre to centre,braced with M.S. Tubes, M.S. clamps etc.and maintaining it in a serviceable condition for supporting the structure and removing it thereafter as directed. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge including cost of all materials, labour, tools & plants ,scaffolding etc complete as directed.