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150 | CITY OF PLEASANTON URBAN FOREST MASTER PLAN ANALYSIS OF CURRENT PLANS POLICIES AND ORDINANCES Document Context Recommended Update Root Pruning Detail 824 2” dia. And larger roots within 8’ of trunk must be approved by the construction inspector for grinding or removal. Replace “Construction Inspector” with “Certified Arborist” Tree Protection Detail 829 Tree Protection Zone (TPZ) Consider adding specifications for a TPZ which should be at least 1.5 inches wide per every inch DSH, rather than just having the protected area be equal to the dripline of the tree. Height of TPZ Fencing Consider adding specifications that the TPZ fencing must be four to six feet tall. 5" of Mulch Generally, mulch is only required when a protective fence cannot be installed around the tree. Consider adding a note that the mulch should be reduced to 2 to 4 inches after the completion of the project. Inspection and Monitoring Consider adding a requirement for an ISA Certified Arborist to be present on site to inspect and monitor trees that are impacted during construction, maintenance, or renovation activities. 4.3 Other Laws Pertaining to Trees Assembly Bill 1572 Non-functional Turf Ban Assembly Bill 1572 prioritizes potable drinking water over other water uses and states that “(1) The use of potable water to irrigate nonfunctional turf is wasteful and incompatible with state policy relating to climate change, water conservation, and reduced reliance on the Sacramento-San Joaquin Delta ecosystem.” Because this bill affects all land uses except for single-family residential, the City will be removing all non-functional and non-recreational turf on City property over the next few years and public trees in those areas will no longer receive the irrigation that was associated with the turf. To account for this loss of automated sprinkler