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<br />Shea Homes Residential Project <br />Environmenlal Impact Report <br /> <br />Findings and FaCls in Support of Findings <br /> <br />Findings Related to Noise Impacts to Interior Living Areas <br /> <br />Mitigation measures have been incorporated into the proj ect, which avoid or substantially lessen the <br />project impacts identified in the EIR. <br /> <br />Facts in Support of the Finding Related to Noise Impacts to Interior Living Areas <br /> <br />Implementation of Mitigation Measures N-5, N-6, N-7, N-8 and N-9 provided below, would <br />substantially lessen the adverse impacts of the Shea Homes Residential Project related to interior <br />living area noise impacts to a level that would be less than significant. <br /> <br />N-5. Building plans for all residential units shall reflect the following construction details: <br /> <br />. The roof/ceiling assembly shall incorporate concrete or composition tiles on the exterior <br />and a minimum Yz" gypsum drywall on the interior surface of the living area. Roofs shall <br />be sloped and attic spaces shall be insulated with fiberglass insulation. <br /> <br />. Exterior walls shall be wood stud construction with stucco exteriors and a minimum 1;2" <br />gypsum drywall on the interior. All exterior walls shall include fiberglass insulation in <br />the stud cavities. <br /> <br />. All operable windows shall have a rating of STC-24. All fixed windows shall have a <br />rating of STC-28. <br /> <br />. All entry doors shall have a rating of STC-28. <br /> <br />N-6. The building plans for the Traditions Plan 2 on Lots la, 22 and 27 shall reflect the <br />following construction details: <br /> <br />. The Retreat shall be installed with attic baffles. All operable windows shall have a rating <br />ofEWNR-26 or STC-28. <br /> <br />. The Library shall be installed with attic baffles. All operable windows shall have a rating <br />ofEWNR-32 or STC 35. All fixed windows shall have a rating ofEWNR-36 or STC-40. <br />All entry doors shall have a rating ofEWNR-29 or STC-32. <br /> <br />. Bedroom 3 shall be installed with attic baffles. All operable windows shall have a rating <br />ofEWNR-32 or STC-35. All fixed windows shall have a rating ofEWNR-36 or STC 40. <br />All entry doors shall have a rating ofEWNR-29 or STC 32. <br /> <br />N - 7. The building plans for the Renaissance Plan 3 on Lots 11, 23, and 26 shall reflect the <br />following construction details: <br /> <br />. The Retreat shall be installed with attic baffles. All operable windows shall have a rating <br />ofEWNR-26 or STC-28. <br /> <br />Page 14 <br /> <br />7~ia1 <br />