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3. OFFSITE ANALYSIS AND MITIGATION <br /> Total Parcel: <br /> This parcel proposes to construct approximately 2,019 sf of new impervious surfaces. The <br /> following table summarizes the new PGIS and NPGIS proposed. <br /> PGIS NPGIS Total <br /> (sf) (sf) (sf) <br /> Existing *3,816 *2,484 *6,300 <br /> Proposed 2,076 6,243 8,319 <br /> Removed 3,816 2,484 6,300 <br /> Replaced 3,816 2,484 6,300 <br /> New 390 2,019 2,019 <br /> * = Pre 1997 structures which have been removed between 7/05 and 7/06 <br /> The new/replaced impervious surfaces for this parcel will be mitigated using on-site <br /> stormwater management BMPs including downspout splash blocks, dispersion swales, <br /> yard drains, soil management and driveway transition zones. <br /> Unit 1: <br /> This unit proposes to construct approximately 1,905 sf of new/replaced impervious <br /> surfaces. The following table summarizes the new PGIS and NPGIS proposed. <br /> PGIS NPGIS Total <br /> (sf) (sf) (sf) <br /> Existing *3,816 *2,484 *6,300 <br /> Proposed 390 1 ,515 1,905 <br /> New/Replaced 390 1,515 1,905 <br /> * = Pre 1997 structures which have been removed between 7/05 and 7/06 <br /> The new/replaced impervious surfaces for this unit will be mitigated using on-site <br /> stormwater management BMPs including downspout splash blocks, dispersion swales, <br /> yard drains, soil management and a driveway transition zones. <br /> Unit 2: <br /> This unit proposes to construct approximately 1,905 sf of new/replaced impervious <br /> surfaces. The following table summarizes the new PGIS and NPGIS proposed. <br /> PGIS NPGIS Total <br /> (sf) (sf) (sf) <br /> Existing *3,816 *2,484 *6,300 <br /> Proposed 390 1 ,515 1 ,905 <br /> New/Replaced 390 1,515 1,905 <br /> * = Pre 1997 structures which have been removed between 7/05 and 7/06 <br /> OLYMPIC TERRACE CONDOS 13-0605 <br /> June 2013 Page 5 <br />