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<br />OCTOBER 10, 2005 <br />PAGE 3 OF 8 <br /> <br />16. The perimeter wall shall be constructed per the specifications <br />on the Specific Development No. 77. <br /> <br />17. All real estate signage must be removed from the site wi thin <br />one year from the date of installation. An extension of time <br />may be granted as determined by the Planning Manager. <br /> <br />18. The third story area for the homes on Lots 10, 22 and 27 shall <br />be constructed with quiet rock panel exterior walls with a <br />minimum noise rating of ENWR-49 with an additional layer of <br />quiet rock panel on the ceiling assembly. The northerly <br />facing windows along the Santa Ana Freeway shall have a <br />minimum rating of EWNR-45. <br /> <br />19. The third story for homes on Lots 12, 13, 16, 18, 20, 21, 24 <br />and 25 shall be constructed with exterior walls consisting of <br />wood stud construction with stucco exteriors and a minimum <br />1/2-inch gypsum drywall on the interior. All the exterior <br />walls shall include fiberglass insulation in the stud <br />cavi ties. The windows on the third floor area shall have a <br />minimum noise rating of ENWR-22. The roof construction shall <br />incorporate concrete or composition tiles on the exterior and <br />a minimum 1/2-inch gypsum drywall on the interior surface. <br /> <br />20. The proposed project shall incorporate architectural elements <br />and landscape treatments in and around the sound wall. The <br />proposed treatment shall be approved by the Planning Division <br />prior to issuance of grading permits. <br /> <br />21. Prior to issuance of grading permits, the project developer <br />shall provide proof of coverage under NPDES General <br />Construction Activity Storm Water Permit that includes a copy <br />of the proj ect' s permit issued by the State Water Resource <br />Control Board that identifies the project's permit number and <br />two copies of the Storm Water Pollution Prevention Plan. <br /> <br />22. Prior to issuance of grading permits, a construction-level <br />geotechnical report shall be submitted for review and approval <br />to the Building Department and/or Public Works Department. <br />The report shall address the potential for seismically induced <br />soil liquefaction and soil instability. Based on the study, <br />detailed grading recommendations and foundation design <br />criteria shall be provided. <br /> <br />75C-105 <br />