Strengthening of U400 and U200 Conveyor gallery

Dismantling old plaster or skirting raking out joints and cleaning the surface for re plaster including disposal of rubbish to the dumping ground within 500 metres lead including tools tackles, labours, scaffolding upto 4 metre height all etc. For all levels.

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, scaffolding upto 4 mtr height, all complete as per direction of Engineer-In-Charge. 50mm average thickness

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge; complete in all respect. SBR Polymer (@10% of cement weight) modified cementitious bond coat @2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer including all scaffolding upto 4 mtr height etc

Providing and applying anti corrosive Nitozinc primer/Cera cte SP CI/ protectosil CIT or similiar, two or more coats, over the exposed steel reinforcement as per the manufacture's specification including scaffolding upto height 4 mtr and as directed by Engineer-in-charge. The product shall be applied on corroded area of reinforcement and the exposed reinforcement surface after throughly cleaning. painted area of steel shall be considered for payment

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge including scaffolding upto 4 m height. (The payment shall be made on the basis of actual weight of approved grout injected.); Epoxy injection grout in concrete/RCC work of approved make such as M/s Fosroc/BASF/Cera Chem or similiar

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge. (The payment shall be made on the basis of actual weight of approved grout injected.) Stirrer mixed approved chemical such as cebex 100/Flowcable 50/Cera Expan 250 of make M/s Fosroc/BASF/Cera Chem or similiar approved respectively @ recommended proportion of weight of cement used) modified Cement slurry made with non-shrink compound in concrete/RCC work including scaffoldings upto a height 4 mtr. (Excluding cost of Cement)

Providing and fixing double scaffolding system (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 & 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. Measurements will be taken for heights above 4 meter from the succeeding floor.

Providing and fixing double scaffolding system (cup lock type) on the interior side, upto 15m height 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 plan 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. Measurements will be taken for heights above 4 meter from the succeeding floor

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make including scaffolding upto 4 m height but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge. Upto and including 12mm dia.

Fixing Steel reinforcement for R.C.C. work including straightening, cutting, bending,placing in position by welding and same to the existing reinforcement by binding with GI wire etc including scaffoldings upto height 4 mtr(Reinforcement rods required alone shall be supplied by the company free of cost at our stores.) Thermo - Mechanically Treated bars of grade Fe-500D or more

Providing and fixing nipples with approved fixing compound such as Renderoc Plug/Master seal 505/Cera Plug of make M/s Fosroc/BASF/Cera Chem or similiar respectively after drilling holes for grouting as per Technical Specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement including all scaffolding upto 4 mtr height. (Cement will be supplied by the company)

Centering and shuttering including strutting, propping etc. and removal of form work for: ;Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, beam/cantilever/lintel/column/slab sides and bottom, plinth and string courses fillets, foundation sides, kerbs and steps etc.at all heights including all materials, scaffolding upto 4 m height.

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up to floor five level excluding cost of centering, shuttering, finishing, reinforcement and cement 1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

Providing and applying micro concrete over the chipped and cleaned exposed areahaving sufficient thickness (average 50mm) to receive the same with fluid micro concrete product, such as Renderoc RG/MasterEmaco S 346/Cera microconcrete of M/s Fosroc/BASF/Cera Chem or Similar respectively, with potable water, mixing by heavy duty slow speed electrically operated stirrer after pouring the water in a mixing vessel, mixed material shall be poured through the feed hopper into well positioned form work for the required thickness and all works as per manufactures specifications and as directed by the Engineer in charge, including curing, cost of materials, labour, scaffolding upto a height of 4 mtr, conveyance etc, but excluding cost of form work, bonding agent, reinforcement and SS welded mesh. The work shall be carried by an agency having sufficient experience and should ensure a guarantee of 5years. Only skilled and experienced persons shall be employed for this purpose.

Microconcerte measured in m3 for thickness more than 5cm, providing and applying microconcrete for thickness above 50mm with fluid micro concrete product, such as Renderoc RG/MasterEmaco S 346/Cera microconcrete of M/s.Fosroc/BASF/Cera Chem or Similar respectively, with potable water, mixing by heavy duty slow speed electrically operated stirrer after pouring the water in a mixing vessel, mixed material shall be poured through the feed hopper into well positioned form work for the required thickness and all works as per manufactures specifications and as directed by the Engineer in charge, including curing, cost of materials, labour, scaffolding upto a height of 4 mtr, conveyance etc, but excluding cost of form work, bonding agent, reinforcement and SS welded mesh. The work shall be carried by an agency having sufficient experience and should ensure a guarantee of 5years. Only skilled and experienced persons shall be employed for this purpose.

Plastering with 12 mm thick cement plaster of mix. 1:4 (1 cement : 4 fine sand) including all tools and tackles,labour charges, necessary scaffolding upto height 4 mtr, curing etc complete ,except cost of cement (cement shall be issued by the Company)

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In cement mortar

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed. All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size)

INTROOF ADOOR