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206-771-6�i5B 8� ENGINEeRS <br />-� � <br />Propos�d Ramodal 1►lt�rnativ� Hiqh School <br />Paqe 2 <br />D�camb�r 17, 1992 <br />� B. <br />3. <br />6. <br />5. <br />6. <br />7. <br />8. <br />9. <br />10. <br />il. <br />12. <br />0'e6 P03 MRY 13 '93 la:4t <br />Provide solid blockinq or ladgars a� tha roof parim�tar <br />sacur�d to th� �xistinq •tructur� and tied to tha n�w <br />conCrate shaar walls. <br />Anchor all �xterfor brick von��r to tria existinq concr�t� <br />atsucturs with ti�� at 24" o.c. horizontally and <br />varticaliy. <br />Provida root truss bottom chord bracinq in tha auditorium <br />and qymnasium. Th• bracinq may �� •ith�r i/2" plyaood <br />atLachad to tha bottom chord atruts or additional eteel <br />anqla x-bracing. <br />R�anlorc� all tha cona�ctinns of �tructural ateel to <br />concrata. <br />I►dd n�w concr�t� sh�ar walis �xt�nding lrom ehe <br />itr�uctuzi�to rasist�all ��i�mic intiial forc�ah• •xi�ting <br />11dd ti�� lrom n�w �h�ar aalis to �xi�ting atructur� nt <br />all Lloor lav�ls. <br />Provid� additional ti�s batw��n th� oriqinal structura <br />and th� aorth and south wing additione. <br />Btaca and s�cur� all axt�rior and intarior unrainforcad <br />masonry b�arinq and aon-b�ariaq wnlis includinq tha <br />cbimnay. <br />Add roo!/wall ti�� at ♦6�� o.c. around eh� p�rim�t�r o! <br />th� auditoriva +�nd qymnasium. ' <br />R�mnve and r�attach all cornic�s, coping and t�rra cotta <br />ea required. <br />tih4 III•Pq n��s�=�-a'�."'•'� __ � _ d _ _ _ — � <br />1. <br />T. <br />3. <br />4. <br />5 <br />7. <br />Hsac� tih� roof parapat. <br />71dd b/e�� lywood to th� �xistinq root. <br />sti^uetu=a�with rtiisbrstk 24"�po.c� thahorizontallyncrAn� <br />vertically. <br />Provid� roo! truss bottom chord bracinq in tha auditor_ium <br />and qymne�ium. Tri� bracinq saY be aithor S/Z�' plywrood <br />attsched to tha bottom chord struts or additionai ste�l <br />ariqle x-bearing. <br />Add n�w concreta �h�ar. walla axtending from th• <br />toundatione Eo.the root aad conn�ct�d to the existinq <br />structura to resist all s�ismic lnteral lorcas. <br />Add ti�s lrom n�w sh�ar rralls to oxiatinq atzuctura at <br />ell flaar l�vala. <br />Braca and ■�cura all axterior and ir�tericr unreinEorcad <br />masonzy b�aring and aon-bearing waila including the <br />chimney. <br />