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Converse Consultants NW <br />t <br />j June 12, 1991 <br />Snohomish County PUD No, 1 <br />Post Office Box 1107 <br />Everett, Washington 98206 <br />Attention: Mr. N. James Simpson, P.E. <br />Project Leader <br />Subject: GEO TECHNICAL DESIGN REPORT <br />20th Avenue Substation Additions <br />1802 75th Street S.W. <br />Everett, Washington <br />Professional Services Contract No. 1791 <br />Geotechnical Engineering <br />and Applied Earth Sciences <br />Cascade Savings Financial Center <br />2828 Colby Avenue <br />Suite 407 <br />Everett; Washington,98201 <br />(266) 339-5192 TEL <br />91-35211-01 <br />This report presents the results of our geotechnical exploration for renova- <br />tions to the existing 20th Avenue Substation in Everett, Washington. The site <br />is located at 1802 75th Street S.W. We received written authorization to <br />proceed with our study on May 9, 1991. <br />PROJECT DESCRIPTION <br />The proposed project consists of adding., in 1991, a new control building, a <br />28 MVA power transformer, a slab for a future 115 kV circuit breaker, and <br />associated equipment and bus support structures. The locations of the new <br />structures are shown on the Site and Exploration Plan, Figure 1.- The <br />estimated foundation loads (per foundation) will be as follows: <br />A Wholly Owned Subsidiary of <br />The Converse Professional Group <br />