SPL REPAIRS TO BLDG NO. T-68 AT ARTY STATIC WORKSHOP, UNDER GE DEVLALI

Epoxy Polyurethane Coating (EPU) Supplying and applying Polyurethane Flooring System as per the following Specification:- (a) Surface preparation: preparing the existing surface of floor by using proper scarification eqpt and cleaning by wire brushing & blow etc, to remove all dirt, dust, oil etc to expose clean sound base concrete. Cost shall include any imperfections in the concrete shall be treated with suitable repair system as per manufacturer specification. Note:- (i) Material /Chemicals required for repairing crack, potholes and damaged areas shall be paid separately at supply only rates. (ii) Treatment of construction and expansion joints including filling as per manufacturer's specification and direction of Engineer-in-Charge, which shall be paid separately. (b) Primer: Supply and application of moisture insenstive solvent free epoxy bonding primer over the prepared surface (Floor/coving) in a thin continuous film and work the Primer into the surface using a stiff brush or roller. Apply second priming coat on identified light coloured dry patches over first coat.

(c) Base Coat/Scratch Coat : Supply and application of 2mm thick base layer with cementitious Polyurethane of self smoothing self levelling epoxy underlay spread evenly to maintain the thickness using a serrated trowel followed by spike roller, rolled over the levelled underlay to remove any entrapped air all as per manufacturer instructions and as specified. (d) Epoxy Polyurethane Coating (EPU): Providing 2 mm thick epoxy polyurethene ESD flooring, having 28 days compressive strenght as per ASTM C 109 45MPa, Flexural strenght will be 12 MPa as per BS 6319-3, Tensile strength will be 4MPa as per BS 6319-7, having surface of earth resistance < 1 x 160 Ohms. The fire resistivity of the material has to be of class 2 as per BS 476-7. Make: FOSROC/DR CIPY PIDILITE/SIKA/STP/ASIAN PAINT

Supply only material /Resin, Hardner and Pigment (ie epoxy putty)/ Chemicals required for repairing crack, potholes damaged areas and repair of concrete slab as per manufacturers speccfications.

M&L grinding top surface of concrete slab levelled with adjascent slab, cleaned off all loose or broken material with mechanical blower and remove all dust /loose particle etc and level concrete slab floor with material/Chemicals to match the existing surface including formwork where required complete all as specified Note: Material/Chemicals shall be measured under item No. 2

M & L for Raking out existing construction joints/dummy joints 10mm wide x 25mm deep in concrete pavements, cleaning surfaces and sweeping to make the surface free from dust/dirt with air compressor/blower and removing debris to distance exceeding 200m from edge of pavement for disposal in low laying areas

M & L Raking out existing Expansion joints 20mm wide x 25mm deep in concrete pavements, cleaning surfaces and sweeping to make the surface free from dust/dirt with air compressor/blower and removing debris to distance exceeding 200m from edge of pavement for disposal in low laying areas.

M&L for nosing the damaged edges of the construction joints using epoxy mortar and make joints straight and smooth, filling the joints using flexible Elastomeric sealent of Polysulphide / polyurethene make including fixing of backer rod with straight edge finish all as specifide and as directed. Make :- FOSROC/SIKA/STP/CHOKSEY/ASIAN/TIKITAR DANOSA

M&L for nosing the damaged edges of the expansion joints using epoxy mortar and make joints straight and smooth, filling the joints using flexible Elastomeric sealent of Polysulphide / polyurethene make including fixing of backer rod with straight edge finish all as specifide and as directed. Make :- FOSROC/PIDILITE/SIKA/STP/CHOKSEY/ASIAN/TIKITAR DANOSA

M&L for yellow line marking not exc 150 mm wide in in floors. Fixing of masking tapes on both sides of line, cleaning the surface using solvents, mixing two components high build coating in two coats of 0.50mm (min) thickness each and removing masking tapes followed by neat finish as directed. Make :- FOSROC/PIDILITE/SIKA/STP/CHOKSEY/ASIAN/TIKITAR DANOSA

Taking down chowkhats or frames (without taking off shutters from the frame) n. exc 1.5 Sqm complete all as specified and directed.