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I �LE i� 1��ERS, I��. <br />Professional Structural Engineering Services <br />ICen Harer, COIICjOIIIIIlIUIII L1�V GI'Ol1�J, PLLC <br />ro�-: <br />Vie•,v Ridge Condominiums HOA <br />425 45'�' ST SW <br />Everett, WA 98203 <br />October 2, 2013 <br />DEI Project: 13-311 <br />Re: Vie�v Riclge Condominiums-Building 425 Pile Revie�v <br />�ve►•ett, WA <br />Dear Mr. Harer: <br />Dibble Engineei•s Inc. (DEI) visited the View Ridge <br />Condominiums on September 27, 2013 to observe the <br />eaisting structural concrete foundation ���alis at the <br />southwest end of Building 425. Tom Gish with Port <br />Gardner Property Management INC. meet �vith DEI on site <br />and provided access to the bui(ding. <br />��3t2 - 02� <br />�tructural <br />Review <br />�ummary <br />�auilolir� �� � <br />DEI understands that the o�vners of View Ridje i�' �'t� "",,: °��x°'��� j <br />I `} <br />l � ` <br />C��ndominiums }�ropose strengthening three exterior �� \,�'`\ <br />foundation walls and one interior foundation �vall �vith ��•. �%>,,, /� <br />, > �•r''� �'��.. `.� <br />helical piles spaced at _5 -0' on center at this portion ofthe �;, �},; ��. <br />b�.iilding. DLI's scope on this project is to ev�iluate the 'r <br />proposal to replace the "2-inch pin piles" shown in Figure � <br />1] of the Nelson Geotechnical Associates '� '"��'' <br />report dated 8/7/12, «�ith helical piles spaceci ���--��—� �A�--�� '`f� �� <br />l���u���iati�3n� �1'itl� Propos�cl �=�,�{''� <br />5'-0" on center as proposed by the foundation �,_ ���- �,���> 5�,�.,, �,�„ <br />subcontractor. The project does not include <br />___ �_--- ------ -_ _._ __�. _ _.___ <br />the "Whaler", "Metal Struts", or "Suitable Pile Cap" as sho�vn in the Figure. DEI understands that the Whaler, <br />Struts, and Pile Cap have Ueen designed by Structural Design Associates (SDA) and have been provicled in <br />Details 1 and 2 attached to the SDA letter of August 29, 2012. Fin-thermore, DEI understands that tl�e anchors for <br />the diagonal �i�all supports were specified by tl�e soil engineer and do not require fiu-ther j•evie�v and the <br />calculations for the wood floor are not necessary, as the addition of additional concrete to level the floor �vill not <br />occur. <br />Based upon information provided to us by Mr. Harer and observations on site, the concrete foundation walls have <br />the capacity to span 5'-0" fi�om helical pile to helical pile. "I'he required allo�vable bearing capacity for each <br />helical pile is 17,000 Ibs. <br />1029 Alm�ke! Streel P rge 1 0 2 P. �l2.i-828-=/200 <br />Kirkln»c% 6i�A 98033 F. �25-8?7-6131 <br />