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THE PRESt:RVE AT REDWOOD SHORES EIR ATlON MONITORING AND REPORTING PROGRAM T M LSA ASSOCl.\TES, tNC JA.~l!ARY 1()08 __.__..__,_~.~.__~. .m__n'_",______n Table 1 continued Monitoring Schedule Monitorin2lReporting A~encv Mitigation Responsibility for all the school Same as GEO- development except Same as GEO-l for all development except the school Same as GEO-l for all development except the school To be addressed in the Belmont- Redwood Shores School District MMRP for the school site construction. __~.___ Miti~ation Measures _ GEO-3a: In locations underlain by expansive soils, the designers and engineers of proposed building foundations and improvements (including sidewalks, roads, driveways, parking areas, and utilities) shall consider the site's potential to be underlain by soils with high shrink-swell potential. A site-specific design-level geotechnical investigation, prepared by a licensed professional shall include measures to ensure potential damage related to expansive soils and non-uniformly compacted fill and engineered fill are minimized. Mitigation options may range from removal of the problematic soils, and replacement, as needed, with properly conditioned and compacted fill to design and con!.truction ofimprovcments to withstand the forces exerted during the expected shrink-swell cycles and settlements. All design criteria and specifications set forth in the geotechnical investigation shall be implemented to reduce impacts associated with problematic soils. for all the school Same as GEO-I development except Same as GEO-l for all development except the school for all the school To be addressed in the Belmont- Redwood Shores School District MMRP for the school site construction. Same as GEO-l development except GEO-3b: The design-level geotechnical investigation shall include an evaluation of the potential for corrosive soils. }fthe results indicate corrosive soil conditions, appropriate measures to mitigate these conditions shall be incorporated into the design of project improvements that may come into contact with site soils. Wherever corrosive soils are found in sufficient concentrations, recommen- dations shall be made to protect steel and concrete (and any other material that may be placed in the subsurface) from long-term deterioration caused by contact with corrosive on site soils. In general, these recommendations are expected to include, but not be imited 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. in contact with earth . Protect buried metal and cement structures surfaces from chloride ion concentrations. concrete mix for al . with Consult a corrosion expert during the project's detailed design .E!Jasc to design the most effective corrosion protection. concrete in contact Use sulfate-resistant the ground. . . "U D) (Q CD ~~ o Note: Planning Commission changes are shown as strike thru and Ullderlined text U:\My Docul11cnts\Area H\MMRP\Clean Preserve MMRP with PC changes 1.28.08.doc