Public Works Department Tender

Surface preparation: -Cleaning the surface thoroughly with soft brushes/wire brush or with other simple lever tools as per the suitability and requirement of site so as to attain the sound and clean workable surface. Surface should be free of mulba, reinforcement bars etc. Thereafter, inspection for cracks on the surface caused by thermal expantion contraction. Cutting the grooves with suitable cutter machine in "v" groove and filled with Asian Paints crystaline/Chryso struco or equivalent mortar admixed with Superior quality polymer compound as per the manufacturer specifications and direction by EIC. A coving of minimum 75X75mm to be prepared at all horizontal to vertical junctions using rich cement mortar wherever necessary. any potholes or undulations or repairing shall be done using rich cement filled with Asian Paints crystaline / Chryso Struco Latex or Equivalent mortar admixed with polymer compound any bituminous coating or membrane or grease or latiance shall be burned with suitable tool to make the surface good for better performance & adhesion. Entire surface to be treated should be primed using two components Epoxy primer @ approx 200gm/Sqm using brush after mixing both components properly as per recommendations of manufacrer followed by sprinkling of silica sand for approx 300 gms per sqm. any loose silica sand particles shall be removed before application of waterproofing coating top coat. This primer coat to be applied after the cement slurry coat as per next item.

Providing & applying slurry coat with 2 part cement and 1 part polymer Asian Paints Smart care SBR latex polymer repair polymer using brush or rolled with soft bristles.

Providing & applying spray applied Supplying and applying Asian Paints Smartcare Ultron/ Chryso Struco Latex/Equivalent High performance hybrid polyurea elastomeric waterproof coating spray applied, SmartCare Ultron liquid membrane with an elongation of 600% and tensile strength of 12.6 N/sqm as per ASTM D 2370, crack bridging ability of 3.5 mm as per ASTM C1305, shore A Hardness of min. 75 as per ASTM D 2240. The system includes final base preparation, epoxy primer application and applying SmartCare Ultron at a coverage of 1.2 kg per Sqm and DFT of 1mm , etc., complete as per Manufacturer specifications