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�'. :�i:iti�r�;,� s::�,�dll_SO^:, Ii�C. <br />2.0 SI'CI: ANU PROJI'sC'1' DGSCIiIP7'ION <br />"I�hc projcct location is shown on the Vicinity M�p, Figure 1. The proposcd Administration <br />13uilding and Garagc is boundcd by thc cxisting courthousc and Administration Building to thc <br />�+�est, Pacific Avcnuc to the south, Oakes Avenuc to thc east, and Wall Strect ro thc north. Tiic <br />proposcd footprints of thc strucwres are sho��m on thc Sitc and Exploration Plan, Figure 2. <br />Proposcd dcvclopmcnt includcs construction of an Adminislration Building addition and a new <br />undcrground parking garagc locatcd bencath a civic plaza (about 2.5 acres) that will becomc the <br />entrancc to thc campus. This work will rcquirc dcmolition of thc cxisting thrcc-story, concrctc <br />parking garage, the Ginni Stcvcns I Icaring Room with its basemcnt cafeteria, and thc <br />Administration Anncs Building. Thc utility infrasuuc[urc for thc existing County <br />Administration I3uilding is prescntly housed in thc basement of the existing parking garage and <br />will nccd to bc rclocatcd. <br />As pai�t of thc dc��clopment, a below-grade pcdcstrian tunncl for transporting inmates will bc <br />constnrcted bet���een the existing County Couilhouse �cest of lhe site and the proposed Justicc <br />Ccntcr cast of thc sitc (scc Pigurc 2). Thc tunncl may also bc uscd as a utility corridor to conncct <br />thc proposed Administration Building to thc central plant. Preliminarily, the tunncl iloor <br />elevations �vill vary from about 125 fcel under Oakcs A��enue to 135 (eet at the existing <br />r\dminisUation I3uilding (to match thc cxisting basement (loor elevation) and then up to IdS fect <br />at Rockcfcllcr Avcnuc. �Vc undcrst.l0(I lll:ll lI1C LUIIOCI lvill bc constructed using cut and covcr <br />lechniqucs. Thc tunncl will hc :ihout S fcet widc �vhcn finishcd, but ma}' hc cut about 12 to l4 <br />fcct ���idc during construction. <br />'1'hr �,round iloor of thc nc��� Achninisir:uion addition �� ill hc conncctcd to thc cxisting <br />:\dministration I3uii�ing and ���ill housc officcs and public hc.inng and mecting rooms. <br />CurrcnQy, the Administrcuion [3uilding addition finish floor clevation is anticip�ted to be <br />;ippro�imatcly 145 fcet. Ne understand that the design of the ncw Administration Building is <br />not yct undcnvay; ���c �� ill ��ro��idc ecotcchnic:�l rccommendations for thc building as an <br />addcndum to this rcport. <br />Thc parking garagc �� ill bc .ipprosimcucly 1 SO by 3?0 fect in �lan �vith sis Icvcls of parking and <br />approximately 10-foot 11oor-to-floon c�ights. The proposed �arage excavation �ti�ill have finish <br />Il�,�,r cle��a�i�,n� r:inain�_ from 7;.5 tu S3.$ fcct. <br />i i��, �. �: �.,. ,: �.., ���. � 1- I-(196 7a-011i <br />