{"id":9368,"date":"2026-05-04T23:16:11","date_gmt":"2026-05-04T23:16:11","guid":{"rendered":"http:\/\/65.21.7.236\/s3da-design\/portfolio\/structural-engineering-design-for-coastal-residential-coos-bay-or\/"},"modified":"2026-05-04T23:16:11","modified_gmt":"2026-05-04T23:16:11","slug":"structural-engineering-design-for-coastal-residential-coos-bay-or","status":"publish","type":"portfolio","link":"http:\/\/65.21.7.236\/s3da-design\/portfolio\/structural-engineering-design-for-coastal-residential-coos-bay-or\/","title":{"rendered":"Structural Engineering Design for Coastal Residential, Coos Bay, OR\u00a0"},"content":{"rendered":"\n<p>S3DA Design&nbsp;is providing&nbsp;structural engineering services for a new two-story single-family residence at 89181 Lighthouse Way in Coos Bay, Oregon. The project includes demolition of the existing home and reconstruction within the same footprint on a coastal site governed by high-wind and seismic design requirements.&nbsp;<\/p>\n\n\n\n<p><strong>S3DA\u2019s Scope<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Structural loading analysis for wind, seismic, snow, dead, and live loads per ASCE 7-16 and 2021 ORSC.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Design calculations for foundations, shear walls, load-bearing walls, posts, headers, floor framing, roof framing, hold-downs, and connectors.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coordination of the client-designed glulam beam system at the\u00a0central portion\u00a0of the home.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Review of glulam reactions and connection compatibility with the surrounding gravity and lateral load paths.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Foundation plan based on continuous concrete strip footings.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1st floor, 2nd floor, and roof framing plans.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1st and 2nd floor shear wall layout plans.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Longitudinal and cross-section structural building sections.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typical structural details, notes, and specifications.\u00a0\u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Key Challenges &amp; Solutions<\/strong>&nbsp;<br>The coastal location requires careful structural design for Wind Exposure D, 135 MPH ultimate wind speed, and Seismic Design Category D. S3DA\u2019s structural team will coordinate the hybrid framing approach\u2014client-designed glulam beams combined with conventional wood framing and prefabricated parallel chord trusses\u2014to maintain a clear, code-compliant load path from roof to foundation.&nbsp;<\/p>\n\n\n\n<p><strong>The Result<\/strong>&nbsp;<br>S3DA will deliver permit-ready structural calculations and drawings that support a safe, durable, and code-compliant coastal residence while respecting the client\u2019s preferred glulam framing concept and the existing building footprint.&nbsp;<\/p>\n","protected":false},"featured_media":5012,"template":"","projectscategories":[453],"class_list":["post-9368","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","projectscategories-residential"],"acf":[],"_links":{"self":[{"href":"http:\/\/65.21.7.236\/s3da-design\/wp-json\/wp\/v2\/portfolio\/9368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/65.21.7.236\/s3da-design\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"http:\/\/65.21.7.236\/s3da-design\/wp-json\/wp\/v2\/types\/portfolio"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/65.21.7.236\/s3da-design\/wp-json\/wp\/v2\/media\/5012"}],"wp:attachment":[{"href":"http:\/\/65.21.7.236\/s3da-design\/wp-json\/wp\/v2\/media?parent=9368"}],"wp:term":[{"taxonomy":"projectscategories","embeddable":true,"href":"http:\/\/65.21.7.236\/s3da-design\/wp-json\/wp\/v2\/projectscategories?post=9368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}