NPSA Boulevard Yarwood Sycamore Tree Trimming

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EXHIBIT A CITY OF SAN LEANDRO SCOPE OF SERVICES BOULEVARD YARWOOD SYCAMORE TREE TRIMMING Bid No. 19.20.007 1. SUMMARY: The work includes all services, labor, materials, transportation and equipment necessary to perform the work described in these specifications. 2. SCOPE: Furnish all labor, tools, equipment, materials, transportation, and perform all operations necessary and incidental to proper execution and completion of all tree trimming in accordance with the specifications. Work consists of trimming Yarwood Sycamore trees on major boulevards and adjacent side streets as outlined below and as directed by the Streets Supervisor. 3. QUANTITIES: Approximate quantities and locations are shown on the following pages. Exact quantities and locations shall be as authorized by the Streets Supervisor of the City of San Leandro or his designated representative. No payment shall be made for any work performed which is not authorized. The City may elect to change quantities of trees for trimming by up to 25% without change in bid amount per tree. 4. STANDARDS: All tree trimming is to be done in accordance with the American National Standard for Tree Care Operations - Tree, Shrub, and Other Woody Plant Management - Standard Practices (Pruning) (2017); Third Edition, Best Management Practices — Tree Pruning (2019), and in compliance with ANSI Z133 (2017 Safety Standards). Specifically, the quality of work shall be consistent with the National Arborist Association definition of Fine Pruning (Class 1). Contractor and all employees performing pruning are required to have a thorough knowledge of these standards and is to have copies of these standards on all sites where work is being performed. In addition, in order to minimize damage to the trees, no pruning is allowed with circular saws and no climbing with spikes is allowed. Trees are to be raised from the sidewalk and street, thinned, shaped, trimmed back from buildings, wires, street lights and signs cleared as much as possible, long/heavy limbs lightened, and as is consistent with the growth stage of the tree, have all basal and inside sucker growth removed as is consistent with the above standards. On large mature trees, no scaffold limbs or major limbs shall be removed, as is consistent with ISA pruning standards, unless authorized by City representative. Smaller trees limb removal may be required to establish scaffold limbs or to improve weight distribution. Contractor will not be paid for any trees not trimmed consistent with these specifications. If at any time, Contractor shows an inability to trim consistent with these specifications, the Streets Supervisor, or said representative, will have the authority to order Contractor to cease all trimming and to have the purchase order cancelled. Successful Bidder must possess current California Contractors License D-49 Tree Trimming for duration of contract. Non -Professional Services Agreement between February 3, 2020 City of San Leandro and Arborist Now, Inc. —Exhibit A Page 1 of 7