Protection work of Suspension bridge at Dhaam Gahdera of Masoli-Srigarh-Kalsir bridle way according to Safety audit Under State Sector.

Amount

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. Reinforced Cement Concrete (Considering 25mm thickness removal )

14-1 Furnishing and Placing einforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification RCC/ PSC Grade M35,Using concrete mixer. For Main Anchored Block & Side Anchored Block

Supplying, fitting and placing HYSD bar inforcement in super-structure complete as per drawing and technical specifications For Main Anchored Block & Side Anchored Block

CHEMICAL GROUTING OF REINFORCEMENTS: Chemical grouting of reinforcement steel of 16 mm to 20 mm dia rebar with 22 / 28 mm dia hole of 220 / 280 mm depth including making hole in concrete / masonry surface as required at site by using HILTI make drill with HY150 chemical compound for inserting the reinforcement after drilling and air jet cleaning at any level etc complete. Rate shall include all charges and preparation of surface, cutting of reinforcement, cleaning the surface, staging, scaffolding and working platform, application of necessary chemical as per manufactures specification with necessary tools and equipments, removal of debris from the site, all complete as directed by Engineer-in-ChargeRebar the steel with the abutment using Hilti Re500 upto depth of 500mm using 16mm diameter bar

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to 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. 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 there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineerin-icharge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding.

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 but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge. Upto and including 12mm dia

Providing and injecting approved grout by steel nozzles 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 the Engineer-In-Charge. Epoxy injection grout in concrete/RCC work of approved make

Supplying and applying pre tested and approved water based concrete curing compound to concrete/ masonry surface, all as per manufacturer’s specification and direction of Engineer-in-charge. 5.41.1 Non pigmented wet curing compound

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/steel works

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work. For surface preparation use chemical method to remove the existing rust.

Centering and shuttering including strutting, propping etc. and removal of form for Columns, Pillars, Piers, Abutments, Posts and Struts

20 mm cement plaster of mix :1:4 (1 cement: 4 fine sand)