Specifications include, but are not limited to: This work consists of the cleaning and repairing of visible bridge deck cracks in accordance with the contract plans or as directed by the Engineer. Cracks shall be repaired using a High Molecular Weight Methacrylate (HMWM). The material used for treating cracks shall be a low viscosity, non-fuming, high molecular weight methacrylate resin conforming to the following: Viscosity 25 cps, maximum (Brookfield RVT with UL adaptor, 50 RPM at 25°C (77°F)); Density 0.9 kg/L (7.5 lbs/gal), minimum, at 25°C (77°F); Flash Point 82°C (180°F), minimum; Vapor Pressure 1.0 mm Hg, maximum at 25°C (77°F); Gel Time 20 minutes minimum at application temperature; Tack Free Time 6 hours maximum; Bond Strength 10.3 MPa (1500 psi) minimum (ASTM C 882)
