Specifications include, but are not limited to: Approved Contractors to Bid: Great Western Landscape RBI Inc Stallings Construction TEMPORARY TREE PROTECTION: A. Protect tree root systems from damage due to noxious materials caused by run-off or spillage during mixing, placement, or storage of construction materials. Protect root systems from flooding, eroding, or excessive wetting resulting from dewatering operations. B. Do NOT allow fires under or adjacent to trees or other plants that are to remain. C. Remove branches from trees that are to remain, if required, to accommodate new construction. 1. Where directed by Owner’s Authorized Representative and Arborist, extend pruning operation to restore natural shape of entire tree. 2. Cut branches and roots, if required, with sharp pruning instruments; do not break or chop. 3. The County and City Urban Foresters must be notified before any branch or root 3” or greater in diameter is cut or pruned. Provide County and City Urban Foresters with a minimum of 48 hour notice. D. Watering: Water trees with temporary irrigation system at a rate that allows each tree to receive adequate water as directed by the Arborist. 1. Irrigation system to the trees and landscaping shall be operated by an automatic controller. 2. Provide temporary irrigation to landscape and trees to remain if irrigation systems are not in operation. 3. Irrigation water should penetrate the soil to a depth of 18 inches with a minimum of 1 inch of irrigation water weekly in the absence of rainfall. PLANTS: