Res04 14590 - Laserfiche WebLink

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Legend. Applicant = project applicant, City = City of Redwood City Page 60 May 18, 2004 WP9.016451MMCHT.645 MuiglTORING VERIFIUATION IDENTIFIED IMPACT RELATED MITIGATION MEASURE Impl. Type of Impl. Monitoring and Timing Signature Date (CONDITION OF APPROVAL) Entity Action Verification Entity Requirements but not be limited to, the following provisions: • Protect buried iron, steel, cast iron, ductile iron, galvanized steel, and dielectric coated steel or iron (including all buried metallic pressure piping) against corrosion from soil. • Protect buried metal and cement structures in contact with earth surfaces from chloride ion concentrations. • Use sulfate- resistant concrete mix for all concrete in contact with the ground, including piles, pile caps, and grade beams. • Consult a corrosion expert during the project's detailed design phase to help design the most effective corrosion protection. Implementation of this measure would reduce this potential to a less -than- significant level. Impact 11 -6: Soil Erosion and Mitigation 11 -6: Require that the applicant Applicant Prepare and City Prepare plan Sedimentation. Project development would prepare an erosion control plan subject to implement erosion prior to grading disturb the site's natural topography and City approval and consistent with the control plan. permit issuance; vegetative cover, leaving soils exposed to required project Stormwater Pollution implement plan wind and water erosion during the Prevention Plan (SW PPP) (see Mitigation 9- during and a<;ar construction period. Eroded soils would be 1). Implement the plan during construction. construction washed either directly into Redwood Creek, Erosion during all phases of construction Smith Slough, or the marinas, or into on -site shall be controlled through the use of drainage facilities, which drain into these erosion and soil transport control facilities. same water bodies. Resulting sedimentation These shall include the use of catch basins could affect the flows of Redwood Creek and and filter fabrics, and the direction of Smith Slough, increasing flooding potential stormwater runoff away from disturbed and maintenance problems. In addition, areas. The plan shall also provide for long - suspended sediment would degrade water term stabilization and maintenance of quality in the creek, slough, and marinas by remaining exposed soils after construction increasing turbidity. These possible effects of is completed. Areas disturbed by Legend. Applicant = project applicant, City = City of Redwood City Page 60 May 18, 2004 WP9.016451MMCHT.645