Repairing of 5 nos Expansion Joints of Torsa Bridge of Cooch Behar Dinhata Gitaldah Road _Sl. 7

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars. (a) In ground floor including roof.

Supplying. preparing and placement of ready mix non shrink cementious microconcrete having no metalic aggregate or chlorides for repairing and jackting of damaged R.C.C.members.Themicro concrete should achieve a compressive strength not less than 10 MPa after 24 hours. 40 Mpa after 7 days 3 and 50 Mpa aftre 28 days at 300C.It should have unrestrained expansion in between 1 to 4%. flexural strength shall not be less than 5MPaafter 28 days. Micro concrete should have a co-efficient of thermal expansion similar to that of the host concrete

Epoxy bonding of new concrete to old concrete

ADD GST @ 18.00% ON SUM OF AMOUNT Sl-01 to SL-3

ADD Cess @ 1.00% ON SUM OF AMOUNT Sl-01 to SL 4

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