Specifications include, but are not limited to: Remove existing floor coatings and level floor by grinding with 40-grit metal-bonded diamonds. Open-up concrete to accept concrete densifier by grinding with 80-grit metal bonded diamonds. Remove 150-grit metal-bonded diamond scratches by grinding with 100-grit resin-bonded diamonds. Clean concrete thoroughly by scraping, applying solvents or stripping agents, sweeping and pressure washing, or scrubbing with a rotary floor machine and detergents recommended by stain manufacturer. Rinse until water is clear and allow surface to dry. Score decorative jointing in concrete surfaces 1/16 inch deep with diamond blades to match pattern indicated. Rinse until water is clear. Score after staining. Protect floors from damage caused by construction activity prior to, during, and after polishing operations. Use protective coverings to protect floors from foot traffic.