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2450 WASHINGTON AVEN <br />DRAFT MITIGATION MONITORING AND <br />PLAN <br />Cl <br />any of the following are encountered: concrete, septic tanks, gas and oil <br />tanks, storm inlets, machinery, equipment, debris and trash these should <br />also be removed, with the exception of items specified by the owner for <br />salvage. Ornamental trees to be removed should be properly grubbed to <br />adequately remove all major root systems. In addition, all underground <br />structures must be located on the grading plans so that proper removal <br />may be carried out <br />Mitigation Measure #14: A qualified geotechnical consultant shall be <br />C <br />i ty Er <br />g 'veering <br />Department <br />Prior to issuance of <br />required to observe the removal of subsurface structures and be notified <br />Grading Permit <br />in ample time to ensure that no subsurface structures are covered and that <br />the root systems from grubbing operations are completely removed. If a <br />qualified geotechnical consultant is not contracted to observe demolition <br />and removal of existing structures, backhoe investigation in the areas of <br />demolition shall be performed prior to commencement of mass grading. <br />Mitigation Measure #15: The applicant shall be required to excavate, <br />C <br />peering Department <br />Prior to issuance of <br />remove and recompact potentially liquefiable soil. In -site ground <br />Grading Permit <br />densiification, for example, compaction with vibratory probes, dynamic <br />consolidation, compaction piles, compaction grouting, etc., shall be <br />conducted. Ground modification techniques, such as permeation <br />grouting, columnar jet grouting, deep soil mixing, stone columns, gravel <br />or other drains shall be implemented, and deep foundations shall be put in <br />place to mitigate potential liquefaction - induced settlement impacts. <br />ty E <br />Bering Department <br />Prior to issuance of <br />Mitigation Measure #16: Following any required stripping and removal of <br />Grading Permit <br />any loose and/or soft soil and undocumented fills, the top eight inches of <br />exposed native ground for fill areas shall be scarified, moisture <br />conditioned as necessary, and compacted to a minimum relative <br />compaction of 90% at a moisture content of at least 2 percent above <br />optimum, as determined by ASTM D1557 -07 Laboratory Test Procedure, <br />Mitigation Measure #17: All recommendations set forth in the May 11, <br />of l3 <br />' <br />/ding Official and City <br />Prior to issuance of <br />2009 Geotechnical Investigation shall be followed to ensure proper site <br />ngin <br />ng Department <br />Grading Permit <br />preparation and grading of the project site is implemented, including <br />adherence to Best Management Practices (BMPs). <br />H drolo /Water Qu lity <br />C�ty <br />I <br />9 a, c-f, i. The project has <br />Mitigation Measure #18. Prior to issuance of a grading permit, the <br />E <br />e <br />g <br />Prior to Issuance of <br />the potential to substantially <br />project applicant must prepare and implement an erosion and sediment <br />F <br />Grading Permit <br />alter the existing drainage <br />control plan SCP including interim and permanent erosion and <br />Cl <br />