Specifications include, but are not limited to: Storm Water Sewer #773 Improvements to serve Buffalo Grove Addition tied with Street Improvements to serve Buffalo Grove Addition; Properties within the project may have underground irrigation systems (lawn sprinklers) which conflict with new construction. Contractor shall remove such components as needed during construction of the project, salvaging all sprinkler heads, valves and operators, and pertinent controllers/equipment to the property owner, where possible. Portions of underground irrigation systems not in conflict with new construction shall be protected from damage and shall remain in place. Materials to be used for geogrid reinforced base construction shall consist of virgin crushed stone, recycled Portland cement concrete, or a blend of recycled Portland cement concrete and Reclaimed Asphalt Pavement (RAP). This blend is not to exceed 50% RAP and shall be tested by use of an asphalt burn off oven to ensure compliance.