The scope of services includes, but is not limited to, the following: • Project shall be completed during Mansfield Middle School’s summer break 2024 (work can begin June 17, 2024). • Contractor shall provide flooring samples. • Contractor shall examine substrates, areas, and conditions, with applicator present for compliance with requirements for maximum moisture content, installation tolerances and other conditions affecting flooring performance. • New and existing concrete surfaces shall be free of oil, grease, curing compound, loose particles, moss, algae growth, laitance, friable matter, dirt, and bituminous products. • Contractor shall perform moisture testing as recommended by the manufacturer. • Contractor shall prepare surface by shot blast all surfaces to receive flooring system with a mobile steel shot, dust recycling machine layers, laitance, power trowel finishes and other similar surface characteristics shall be completely removed leaving a bare concrete surface having a minimum profile of CSP 3-4 as described by the International Concrete Repair Institute. Floor areas inaccessible to the mobile blast machines shall be mechanically abraded to the same degree of cleanliness, soundness and profile using diamond grinders, needle guns, bush hammers, or other suitable equipment. Where the perimeter of the substrate to be coated is not adjacent to a wall or curb, a minimum ¼ inch key cut shall be made to properly seat the system, providing a smooth transition between areas. The detail cut shall also apply to drain perimeters and expansion joint edges. Cracks and joints (non-moving) greater than 1/8 inch wide are to be chiseled or chipped-out and repaired per manufacturers recommendations.
