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4. The contractor shall prune off lower branches high enough for traffic clearance. 5. The contractor shall cut out dead, crossing, rubbing branches, and v-shaped crotches. 6. The contractor shall undercut branches over two (2) inches in diameter before final cut is made close to a scaffold (main) branch. Shredded, torn or ripped branches shall be re -cut cleanly. 7. An exposed wound, as where a branch was removed, shall remain exposed. The contractor shall not paint or apply any substance on wounds. 8. Trees close together shall be separated by the removal of intermingling branches. The exception is a large hedge or windbreak consisting of one (1) species. 9. All newly planted or young trees shall be double -staked by the Contractor and secured properly with CR-approved ties. a. The contractor shall use only City -approved staking materials. b. The contractor shall always remove nursery stakes on young trees and replace them with double staking when trunk strength allows. c. All stakes shall be set perpendicular to prevailing winds unless designated otherwise by the CR. d. Tree stakes shall beset a consistent distance (minimum six [6] inches) away from the trunk of the tree to reduce abrasion. e. The tops of tree stakes shall be removed approximately three (3) inches above the highest tie to reduce abrasion of the main or lateral branches of the tree. 10. A tree too heavy for support by stakes shall have equally -spaced guy wire ties to stakes and shall be inspected for possible removal. The wire shall be on a 45-degree angle with the tree trunk. a. Locations for the use of guy wires shall be determined by the CR. b. Ties shall always allow for tree movement between stakes and tree trunk. c. The contractor shall loosen or remove tree ties upon discovery that ties are too tight before ties girdle a branch or trunk. d. The contractor shall remove stakes or tensioned cables (guy wires) from a tree trunk that is immovable in wet soil. 11. Any tree stakes or ties that are broken, loose, or damaged shall be removed immediately. If the tree is less than one (1) year old or immature and requires continued support, new ties and stakes will be required. 12. Fertilizers, pre -approved by the CR, shall be applied to trees and shrubs that require supplemental feeding. Annual spring feeding shall be done in accordance with the rate indicated by the manufacturer. Fertilization may require deep root feeding or foliar micronutrient applications. 13. All trees located in Casual, Sports/Priority Turf areas shall have 2" of STA approved 3"-4" compost mulch installed around the tree ring continuously. 14. The Contractor shall have an ISA Certified Arborist On -call employee able to provide a risk assessment. The contractorwill only charge, AEW, the arborist time to investigate and create a risk assessment. The arborist can be asked to meet with residents, the public, or elected officials to discuss tree conditions. RFP 23-151 Landscape Maintenance Services Page 48 of 135