Specifications include, but are not limited to: A. The Contractor shall provide all labor, materials and equipment necessary to perform tree services, which includes, but is not limited to the following: Removal and disposal of identified trees, stumps and limbs; Pruning and shaping of trees; Arboricultural services; and Cultural techniques such as planting, fertilization, pest and pathogen control; B. The Contractor shall provide a minimum of one local staff member that is currently a certified ISA arborist. C. The Contractor shall provide the equipment and labor necessary for a tree removal and pruning crew to perform emergent work on an as needed / on-call basis during normal business hours. Normal business hours shall be considered 8:00 a.m. to 5:30 p.m., Monday through Thursday and 8:00 a.m. to 1:00 p.m. on Fridays. D. The Contractor shall provide the equipment and labor necessary for a tree removal and pruning crew to perform emergent work on an as needed / on-call basis for after hours and weekend calls. After hours and weekend calls shall not exceed 1.5 times the basic hourly labor rate for the crew performing the services.