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J.��nO/19'.ir <br />r. - . <br />1��V <br />. �i �i <br />�� � <br />f97:24 2068687569 <br />Creative <br />A tlrm practicing in the geosclences <br />February 10, 1996 <br />Mr, Qarth <br />Eastside Masonry Product6 <br />P.O.Box 535 <br />tA016 N.E. 80th <br />Aedmond, Washinpton 98062 <br />Subject: <br />Ooer Garth; <br />EP.STSIDE 1�1ASOIJF,Y <br />� ^ S'��-- <br />I� <br />Pp�t•It� OniM 1ax tran�mhul m�mo <br />Q�ot�ohnla.l �v�lwtlon <br />AnehOr 91ock W�II <br />aoston Chlolan Outl�t <br />Ewntt1, Wahlnpton <br />.,.���-- w�s � <br />�-.�_... .-p-e�-r�. <br />INC. <br />PAGE O1 <br />P.61 <br />94-1493�8 <br />•.1 �yr . <br />-7{ <br />d��'� � 1�5 ___ <br />� <br />1 <br />As requastW, t hav� evaluetod the uso ot�4nchor Wall 5ystemm "Diamond' block syetem <br />as en altemativa to the origlnally reaammended Kayatona blxk wall �ynom at tha aubjar.t <br />eite. Bae�d on the results of my eveluttion it is my opinlon that the Anchor Wall ay6tem <br />is a aukabla altarnative. <br />I recommend that the block used bv e Dlarnond Bevelled Uni! wlth a 1.1 inch aetbaak, <br />and that It bo uaad in conjunaion wiih a 5trataqrld 200 gooprid relnfotcrment, I havQ <br />evaluatod walle 1rom three to nina feet in hdiqht wh►ch shouid ba more thsn suMioient lor <br />th� subject pro)ect, I hnve a�sumed that the wail will be buiR an a pad ot orushed rook <br />that 18 at I�eaf eIK inches thlck. If this le ��ot tha cese ell ot th� evslu6ltion wlll need to bs <br />peAo►mod spain tor the appraprtatr conditicna. <br />The wslla have baen checked tor irttornet and �xt�mal etability se part of thie evalusi�o� <br />In addRlon, the syst�m'e ovvrail qlobal stabilHy has aleo b��n eddressod. 7he ovarall ,' <br />factor of ea}�ty achl.vad witn the summariaed d�slpn Is 2.0, _ • <br />The verticel elevaUone (m�aeured from the bottom of <br />peoflrid are prewntod on Tdbla A, atteched, tor your <br />length Is orNic�l to msintaln overali qlobel atabilfty. <br />blodcs} and tha Ivnpth af <br />m and uee. The peoprld <br />ll <br />` _ ., <br />`� .� .. _..-�� ��—' ,__�'- � –r � <br />_ _ __� � <br />5s 18 159th PI�[e NE . keEmonq, WA 9905Z .(306) 883-bB89 (206� 953•1173 • FwX 867�966a � <br />- -----=-��-- �_�� _: _--- _ 11 <br />�� � o ��. �� �� �- Lis�r D .�- - .� -�--- �': <br />� <br />