AgdaPkt 2020-06-22 Joint SA PFA - Laserfiche WebLink

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6.1. - Page 23 of 52 On all trees, including palms, known or suspected to be diseased, pruning tools and cut surfaces shall be disinfected with a ten (10) percent chlorine bleach solution between trees where there is danger of transmitting the disease on tools. Fresh solution shall be mixed daily. Full-time Tree Crew If requested by the City, Contractor will be required to provide a full-time crew. This three- person crew will be comprised of a lead, climber, and groundsman and will work five days a week, eight hours a day, excluding City holidays. The City's Tree Maintenance Leader and/or other authorized City staff will assign work to the crew, which is expected to be primarily tree pruning, but any other maintenance activities described in this RFP may also be assigned. ii. Tree Pruning Pruning will include structural pruning, crown raising, and crown cleaning in accordance with the standards set forth by the International Society of Arboriculture Pruning Standards (Best Management Practices) and the ANSI A300 Standards. a. Contractor shall comply with Standards of CAL OSHA and the American National Standard Institute, Z133 Safety Requirements. b. Contractor shall provide and post "No Parking" signs forty-eight (48) hours in advance of the work. c. Contractor shall endeavor to maintain good public relations at all times. The work shall be conducted in a manner which will cause the least possible interference and annoyance to the public. Work shall be performed by competent employees and supervised by an experienced, English speaking supervisor or foreman in tree maintenance operations. The Contractor shall be responsible for advance notification to the residents at each work location of the intended tree operations. The Contractor shall be responsible to see that private property and vehicles at work locations are not endangered or damaged during the course of work. d. Contractor shall exercise precautions as necessary when working adjacent to aerial and subterranean utilities. In the event that aerial utility wires present a hazard to the Contractor's personnel or others near the work site, work is to immediately cease and the appropriate utility company notified. Work shall then commence in accordance with instructions from the utility company. In the event that work causes excavation, the City is responsible for properly marking the location, and the City is responsible for appropriate notification of Underground Service Alert (USA). e. No hooks, gaffs, spurs or climbers will be used for anything other than removals. f. Final pruning cuts shall be made without leaving stubs. Cuts shall be made in a manner to promote fast callous growth. g. When pruning fungus, disease or fire blight infected limbs or fronds, all pruning tools shall be cleaned after each cut with alcohol or bleach. h. Topping shall not be done unless specifically requested by the City. PUBLIC WORKS SERVICES DEPARTMENT FY 2019-20 RFP FOR COMPREHENSIVE STREET TREE MAINTENANCE SERVICES 9 OF 37 234