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URBAN FOREST MANAGEMENT PRACTICES U <br />Table 1-10. Infrastructure Conflict Action Menu <br />Conflict Available soil volume, presence of existing infrastructure, and site conditions <br />Prevention Right tree, right place should be deciding factors when selecting species for tree planting projects. <br />Large trees require large areas to grow at the ground level. Expanding tree <br />Expand tree well space sells to provide growing space can help avoid conflicts with sidewalks. <br />Technological advancements for sidewalks, such as rebar concrete <br />Alternative sidewalk reinforcement, pervious pavement, and flexible joints, continue to be developed <br />materials and may provide adaptive solutions. <br />Infrastructure Curved or offset Rebuild sidewalks to curve around planting areas, allowing the trees more space <br />Adaptations sidewalks to grow. <br />A bridged surface that does not require compacted subgrade can replace a <br />Bridging damaged sidewalk. <br />Root control devices are designed to guide roots underground and away from <br />surface -level infrastructure. Note that root barriers are least effective in poorly <br />Root control devices aerated soils that are commonplace in the built environment (Randrup et al. <br />2001; Gilman 1996). <br />Root pruning should conform to the City's standards and specifications which is <br />Root pruning regularly updated by the City's Engineering Division. When possible, an arborist <br />should be involved in making decisions regarding root pruning. <br />Tree Work <br />In some cases, tree removal is the only feasible option and should only be <br />Removal approved when all other options have been considered and determined to not be <br />viable to resolve the infrastructure conflict. <br />CITY OF PLEASANTON URBAN FOREST MASTER PLAN 1 111 <br />