PROVISION OF FLOOR PAINTING IN MEC, PEC BUILDING AT HSSC AND AIR TURBINE INSTALLATION ON ROOF OF HTF HANGAR AT AF STN BIDAR

Amount

Epoxy- Urethane(EPU) flooring 5mm thick with priming coat of 200 microns, base coat of 4000 microns, top coat of 800 microns and anti-static coat (carbon coat) including provision of self adhesive copper tape including treatment of expansion/ construction joints below primer coat as per manufacturer's specifications complete all as specified and as directed. (i) Priming coat: (a) The prepared surface to be tested for moisture content with moisture meter and moisture content shall be below 5% for every 500 sqm, a minimum 5 reading shall be taken to asses the average moisture content in the surface. Note: Before priming the old surface shall be prepared by cleaning of all dust, dirt paint, moisture, oil , grease and all form of material from the floor by mechanically scrifying, frinding, vacum cleaning by using scrubbers, hard blowers, vacuum cleaners, moisture testing etc. for 1-2mm top concrete layer till good concrete surface free from all foreign material is obtained and then cleaned by acid itching with alkaline wash followed by healthy water wash then the floor shoud be cleaned by using appropriate solvent, dogrease/cleaner to remove all residues. (b) Apply low viscous epoxy primer Ciposy 15 @ 5 sqm/litre @ a thickness of 200 microns, with resin and hardener in 2:1 ratio by volume using stiff brush of roller. The primer should be tack free before application of screed coat. (ii) Screed coat: Screed coat shall be 4mm (4000 microns) of average thickness screed coat shall consist of cipoxy 15 resin and cipoxy 15 hardener and formulated aggregated FQ sand in ratio mentioned as below :- Cipoxy 15 Resin + Hardener = 2.00 Ltr : FQ sand 300 = 5.00 kgs Note :- Mixing to be done correctly with an electric variable speed mixer throughly till obtaining homogeneous mixture. (iii) Top Coat: Top coat shall be cipy cipothane SL of 800 microns. The material for top coat shall be supplied in pre-weight packs and ready to mix and use. The material shall consist of resin, hardener, formulated aggregate and EPI in the preweighed kit.

Supply and fixing in repairs pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour, having 550 Mpa tensile strength as in roof covering / ridges and fixed with self tapping screws, complete all as specified.

Field Cutting of Galvalume Sheet of suitable size for fixing of turbo ventilator

Aluminium turbo ventilators of throat size of 600mm dia including fixing with flowable mastic with stitch screws, complete all as specified

BHIMRAO PATIL

om sai enterprises

Suneetha Engineers and Contractors