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Structural Design Associates <br /> l�1- <br /> Engineering Structures to Last <br /> SDA49676 <br /> August 30, 2023 <br /> Frank Moro <br /> 9227 4" AVE W <br /> Everett, WA, 98204 <br /> Subject: Holdown Anchor Bolt Alternative <br /> SDA Ref. # 9676 <br /> To whom this may concern: <br /> At the request of Frank Moro this office reviewed the subject project regarding a suitable <br /> alternative anchor bolt for a Simpson HDU5 holdown. <br /> A 5/8-inch diameter, ASTM F1554 Grade 36, A36, or ASTM A307 threaded rod with (1) washer <br /> sandwiched between (2) hex nuts embedded as shown in the holdown schedule (S-1.0) and in <br /> detail 6-S/2.0 is a suitable replacement for a Simpson PAB5 anchor bolt. <br /> Please contact this office if you have any questions concerning this letter, or for any other <br /> assistance. <br /> Sincerely, <br /> P�r <br /> Chris Lalonde, E.I.T. Chris Covington, P.E. <br /> COV <br /> f <br /> OVe WASycol <br /> ,M�'�+ <br /> h <br /> 34383 f <br /> AUG 3 0 2023 <br /> 3006 Rucker Ave. Everett,A'A 98201 Ph: 425-339-0293 Fax: 425-252-0916 <br /> sdaeverett.com <br />