REPAIR/MAINT TO DETERIORATED CHAJJA, COLUMN, BALCONY, FACIA/CANOPY, WALL/ CEILING PLASTER WITH CHEMICAL AND MODERN TECHNOLOGY AT OTM / MD ACCN AOR OF AGE B/R-I UNDER GE (EAST) AGRA

M&L for Removing or dismantling of damage / cracked/ concrete /loose concrete / plaster of ceiling/ wall/ chajja/stair case, facia to expose the sound and hard concrete using a suitable mechanical device or by hammer andchisels and Cleaning existing RCC roof surface thoroughly by wire brushing, scraping, removal of loose plaster, dust, dirt, algae, moss, laitance etc and complete removal of debris from MOD Land (upto G + 2 Bldg) including necessary scaffolding etc complete all as specified & directed.

M&L for applying approved anti-corrosive/passivating coating(Zinc rich epoxy) to exposed reinforcement in two coats to the entire circumference surface of bars. The product should confirm carbonation resistance of 2 mm and bond strength > 1N/ sqmm according to ASTM C 882-78 (Mode of measurement: per sqm of application area of concrete) including necessary scaffolding including Cleaning exposed reinforcement steel by wire brushing/mechanical means and removing rust, scale and loose material etc complete all as specified & directed.

M & L for applying 15 to 20 mm thick ( average ) repair mortar ready to use single component polymer modified repair mortar for repair of RCC members likes beams, columns, chajja and facia/Ceiling, mortar having good compressive strength and shrinkage resistance,including curing for 24 hours minimum, dry it and rubbing to make the surface rough after then finishing surface even and smooth using ready mix plaster (upto G + 2 Bldg) including necessary scaffolding etc complete all as specified & directed.

M & L for applying 25 mm thick ( average ) repair mortar ready to use single component polymer modified repair mortar for repair of RCC members likes beams, columns, chajja and facia/Ceiling, mortar having good compressive strength and shrinkage resistance,including curing for 24 hours minimum, dry it and rubbing to make the surface rough after then finishing surface even and smooth using ready mix plaster (upto G + 2 Bldg) including necessary scaffolding etc complete all as specified & directed.

M & L for applying bonding agent for bonding old to new concrete/plaster surface likes chajja/ beams/ celings/ columns/ facia etc by high performance modified Styrene- Butadiene Rubber ( SBR ) base binder. Applying of binder is as 1 lit / 10 sqm (upto G + 2 Bldg) including necessary scaffolding to apply it on surface etc complete all as specified & directed.

M&L GI Wire netting 0.90 mm dia and 12 mm mesh lathing to wood or metal studding, joints, etc. sandwitched between two layers of plastering (Plastering shall be measured and paid separately) in walls, ceiling, stanchions, beams, etc. including all laps, cutting and wast (upto G + 2 Bldg) including necessary scaffolding complete all as specified and directed

S&F for galvanised welded steel wire fabric as extra reinforcement to RCC members like ceilings, chajja's, beams, columns, parapet wall etc including all cutting and waste (wt. not exc 4 Kg/sqm) etc (upto G + 2 Bldg) including necessary scaffolding complete all as specified and directed.

M&L for mixing mechanically PP fibre of 24 mm length with Anti-crack strength with Rheoplastic non shrink, corrosion resistant, High strength MICROCONCRETE having compressive strength as Bs 4551-80 by adding 12mm graded aggregate or in combination with 1:4 mortar for 25 mm jacketing ensuring strength (ASTM C 109)-35 Mpa @ 28 days, Tensile strength 2.0N/mm2 @ 28 days (ASTM C 348)- 4 Mpa @ 28 days, Flextural strength 10N/mm2 (ASTM C 348)-11 Mpa @ 28 days, Young's modulus -27 KN/sqm (ASTM D469), Expansion charactristics (ASTM C 827-1987) Unrestrained expansion upto 4% pressure to restrain plastic Expansion -Approx. 0.004 N/sqm pouring of micro concrete into the RCC member using suitable arrangement or required using pumping device for uniform flow of micro concrete. The side shuttering can be removed after 3 days, and the bottom shuttering after 7 days, ensuring proper bond between the micro concrete and existing brick columns etc (upto G + 2 Bldg) including necessary form work and scaffolding complete all as specified and directed.

M&L for MS TMT bars 10 mm dia and over as in reinforcement cut to length bent to shape required including cranking bending spirally for hooping for columns, hooking ends & bending with and including MS annealed wire not less than 0.9 mm dia etc. complete all as specified and as directed.

M&L for MS TMT bars 6 to 8 mm dia and over as in reinforcement cut to length bent to shape required including cranking bending spirally for hooping for columns, hooking ends & bending with and including MS annealed wire not less than 0.9 mm dia etc complete all as specified and as directed.