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Project Location <br />Riverside Business Park <br />River Side Road <br />Everett, WA 98201 <br />Protect Description <br />This project involves the installation of a protective throw fence on the pedestrian side of an overpass <br />over a BNSF yard to protect the railroad tracks from thrown objects. The fence will consist of four <br />horizontal segments totaling approximately 500 lineal feet, and fence posts that are spaced at 10' OC. <br />Scope of Work <br />Provide structural calculations for saddle -type bracket at the base of the fence posts, including <br />anchorage into the existing concrete barrier in accordance with current building code. The fence <br />member design and analysis of the existing structures are by others and excluded from our scope of <br />work. <br />Basis of Design <br />Fence Loads Dead 40 PLF <br />Live 50 PLF <br />Wind 26.72 PSF <br />Wind Parameters <br />110 MPH Wind Speed, 3-Sec Gust <br />Exposure Category B <br />1,,, =1.0 (Non -Essential Facility) <br />Mean Height = 35' Above Grade Elevation <br />Design Summary <br />The fence posts shall connect to the existing concrete barrier with a stiffend saddle -type steel plate <br />bracket with wedge anchors. Refer to the enclosed construction detail, SS-1, for requirements. <br />4m <br />ENGINEERING <br />250 4th Ave South <br />Suite 200 <br />Edmonds, WA 98020 <br />By CGP Date12/ <br />Checked Date <br />Project Summary <br />Scale NTS Sheet No. <br />Job No. I <br />Everett Protective Railroad Fence 17402.10 <br />1 <br />'q11 <br />