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-2- <br />Structure <br />Vertical..... <br />lbs. <br />ontal _ <br />lbs. <br />O.T. Moment <br />ft=:lbs� <br />Circuit Breaker -(future) <br />15,000 <br />10,000 <br />81,000 <br />Metal Control Building <br />500 psf <br />3,000 <br />18,000 <br />Bus Support <br />800 <br />1,900 <br />28,200 <br />Circuit Switcher <br />6,000 <br />1,700 <br />14,000 <br />Transformer <br />135,300 <br />30,000 <br />160,000 <br />12 kV Disconnect Switch <br />1,500 <br />21000 <br />26,800 <br />Metalclad Switchgear <br />20,600 <br />5,300 <br />32,000 <br />PROJECT SCOPE <br />The purpose of this study was to provide geotechnical design recommendations <br />for site preparation and foundation support of the proposed substation <br />equipment as outlined in our contract with the Snohomish County Public <br />Utilities District No. 1 - Professional Services Contract No. 1791, "Geotech- <br />nical Engineering Services for 20th Avenue Substation". Specifically our <br />scope of work included: <br />1. Supervision, observation, and logging of two 15.5 foot borings, and <br />obtaining representative soil samples. <br />2. Laboratory testing to determine relevant soil properties. <br />3. Engineering analyses. to evaluate suitable foundation alternatives, <br />anticipated foundation settlement and geotechnical design parameters. <br />4. Preparation of this written report summarizing field and laboratory <br />test results and recommendations regarding: <br />• suitable foundation types, <br />_0 all owable_verticai..and lateral._ bearing... pressures.,.. _....... <br />allowable Tateral bearing pressures for drilled foundations, <br />estimated foundation settlements, <br />foundation subgrade preparation, <br />suitability of on -site soils for use as fill or foundation bacicfill, <br />Converse Consultants NW <br />