Tender For Periodical Maintenance Of Common Units At Hwp(T) Colony.; 1 Providing and plastering with CM 1:4 (1 cement: 4 coarse sand) of thickness12 mm to 20 mm in patches including cutting patches in proper shape, racking out joints, preparing and plastering the surface of walls, scaffolding, curing, disposal of rubbish near plant main gate by mechanical means etc.,all completeat all levelsas per drawings, specifications and asdirected by Engineer. 2 Chipping unsound/weak concrete material from all RCC members such as chajjas, slabs, lintels, 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 steel with wire brushes, disposal of debris near plant main gate by mechanical means and scaffolding etc., all completeat all levelsas per specifications and asdirected by Engineer.2.1) 50 mm average thickness 3 Providing, mixing and applying Nitozinc primer (epoxy based-Fosroc brand) over exposed surface area of reinforcing bars in all RCC members including cleaning rust from the reinforcing steel bars to give it a total rust free steel surface by manual / mechanical means, scaffolding etc., all completeat all levelsas per manufacturers specifications and asdirected byEngineer.3.1) Bars upto 12 mm diameter 4 Providing, mixing and applying epoxy resin concrete bonding coat using Nitobond EP (Fosroc brand)on chipped surface area of all vertical/horizontal RCC members includingsurface preparation, scaffolding etc., all completeat all levelsas per manufacturers specifications and asdirected by Engineer. 5 Providing, mixing and applying shrinkage controlled, polimer modified, fibre reinforced cementitious repair mortar using Renderoc SP40 (Fosroc brand) on spalled/de-laminated portion of all vertical/horizontal RCC members including surface preparation, curing, scaffolding etc., all completeat all levelsas permanufacturers specifications and asdirected byEngineer.5.1) 50 mm average thickness in three layers. 6 Providing and applying two or more coats of white washing with sunlight brand cem to give an even shade for old work in external/internal wall/ceiling including removing dirt, dust, bird dropping, grease, oil, algae, fungus, bird beats, vegetation growth, filling cracks, water washing the surface wherever required, preparing the entire surface smooth and fit for white washing, scaffolding, adhesive and blue etc., all complete at all levels as per specifications and as directed by Engineer. 7 Providing and applying two or more coats of Asian brandacrylic smooth exterior emulsion (APEX) of approved colour and shade onold external surface of wall/ceiling/coping including sand papering, water washing the surface wherever required, preparing the surface smooth, filling cracks with Birla wall care putty and necessary repairs to scratches, scaffolding, cleaning etc., all completeat all levelsas perspecifications and asdirectedby theEngineer. 8 Providing and applying two or more coats of Asian brand acrylic smooth exterior emulsion (APEX) in approved shade over a coat of Asian brand exterior wall primer on cem / emulsion finished external wall surface in even shade including removing loose layers of existing finishby scraping and sand paperingmanually/mechanical means, doing necessary repair to scratches, filling cracks using birla wall care putty, water washing the entire surface, preparing the entire surface smooth and fit for primering, scaffolding, cleaning, etc..,all complete at all levels as per specifications and as directed by Engineer. 9 Providing and applying two or more coats of synthetic enamel paint of Asian brand apcolite of required colour over a coat of Asian brand wood/steel primer to give an even shade, finished with glossy on steel work /wooden joineries including sand papering, preparing the surface smooth and fit for primering, filling surface cracks and necessary repairs to scratches, scaffolding, cleaning etc., all complete at all levelsas per specifications and asdirectedby Engineer. 10 Providing and applying two or more coats of Asian brandacrylic smooth interior emulsion (Royale) of approved colour and shade over a coat of Asian brand interior wall primer onold surfaces of walls including removing loose layers of existing finish by scraping and sand paperingmanually/mechanical means, doing necessary repair to scratches, filling cracks using birla wall care putty, preparing the entire surface smooth and fit for painting, scaffolding, cleaning, etc..,all completeat all levelsas per specifications and asdirectedby Engineer. 11 Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or painting and/ or applying chemical and removing it thereafter. 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.Note:- The elevational area of the scaffolding shall be measured for payment purpose. Height of scaffolding will be considered above 7 mts and this item is applicable for works in OHT.
