SFPUC 2001 Alameda Watershed Management Plan

III. ENVIRONMENTAL SETTING AND IMPACTSM. HAZARDOUS MATERIALS AND HAZARDOUS WASTETABLE III.M-1MANAGEMENT ACTIONS THAT COULD RESULT IN SIGNIFICANT PHYSICAL EFFECTS THROUGH CONSTRUCTION-RELATED EXPOSURE OF HAZARDOUS MATERIALSManagement Actions that Could be Required to Reduce Potential Physical EffectsManagement Actions that Could Result inPotential Physical Effects a Action a,b Level of Significanceif ImplementedAction haz6: Identify high-risk spill potential areas andAction des9.PS, see Section IV.Mimplement measures, including barricades, to reduce the risk ofhazardous spills.Action sto1: Remediate on-site stormwater and collection Action des9.PS, see Section IV.Msystems through infiltration drainfields and trenches, anddetention basins.Action aqu12: Install long-term sediment retention basins or Actions roa12 and des9.PS. see Section IV.Mother permanent measures.Action aqu5: Rehabilitate shoreline areas using structural Actions roa12 and des9.PS, see Section IV.Mshoreline protection measures.Action aqu7: Rehabilitate stream segments. Actions roa12 and des9. PS, see Section IV.MAction was1: Repair/replace vault, chemical, and composting Action des9.PS, see Section IV.Mtoilet as necessary.Action roa2: Relocate existing necessary high use roads/road Actions roa12 and des9.PS, see Section IV.Msegments in proximity to streams.Action roa3: Modify the grading and drainage of existing Actions roa12 and des9.PS, see Section IV.Mnecessary high use roads/road segments.Action roa4: Close and retire roads that are not needed and Actions roa12 and des9.PS, see Section IV.Meliminate or minimize problem erosion points by installingculverts and waterbars, or otherwise stabilizing the roadway.Action roa6: Inspect/manage unpaved roads by remediating andstabilizing areas of erosion and regrading unpaved roads.Actions roa12 and des9.PS, see Section IV.Ma See accompanying text and Table II-1 for a description of each management action.b Bold text indicates actions that may be most essential for reducing potential significant impacts.S = SignificantPS = Potentially SignificantLTS = Less than SignificantNOP 96.223E: Alameda Watershed Management Plan III.M-5 ESA / 930385January 2001