Structural rehabilitation and strenghening of two 2 nos water tank

Dismantling G.I. tank including disconnecting pipe connection.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) In 1st floor including rounding roof.

Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge.

Cleaning the exposed corroded reinforcement as well as worn out concrete by sand blasting with air compressor including all material

Providing anti-corrosive protective coating to inhibit the corrosion to HYSD reinforcements including two coats of anti corrosive coating of consumption as per manufacturer's specification, cleaning etc.

Removing corroded worn out portion of reinforcement (when the area of bar is damaged by more than 25%) by cutting and replacing the same by a new plain round bar of requisite diameter by binding with required lap / welding with old bar, including cost of reinforcement, complete in all respect including removing unserviceable materials from site as per direction of the Engineer - in - charge. Note : Payment on weight (Kg.) of new reinforcement.

Epoxy bonding of new concrete to old concrete...

Gunting concrete surface with cement mortar ( 25 mm nominal thick) applied with compressor after cleaning surface and spraying with epoxy complete as per technical specification.

Applying 2 coats ofAcrylic polymer modified paint (equivalent to MASTER CRETE M-81 of choksey or similar specified product) having water proofing cum bonding properties for specific use of water prone area to prevent leakage underneath by mixing in proportion (1 liquid compound : 2 cement) as per manufacrturer's specification [cement to be supplied by the department]

Cement concrete (1:1.5:3) without graded stone chips 5.6 mm size with hexagonal square mesh wire netting, I.R.C. fabric mesh or X.P. M. fitted and fixed after tying the existing reinforcement on concrete without distributing the same and with proper scarping and cleaning the reinforcement and disturbed concrete with wire brush etc. c) 37.5mm thick.