{"id":9270,"date":"2025-09-23T07:26:20","date_gmt":"2025-09-23T07:26:20","guid":{"rendered":"http:\/\/65.21.7.236\/s3da-design\/portfolio\/structural-and-mep-design-for-a-new-3-story-home-oakland-ca\/"},"modified":"2025-09-23T07:26:20","modified_gmt":"2025-09-23T07:26:20","slug":"structural-and-mep-design-for-a-new-3-story-home-oakland-ca","status":"publish","type":"portfolio","link":"http:\/\/65.21.7.236\/s3da-design\/portfolio\/structural-and-mep-design-for-a-new-3-story-home-oakland-ca\/","title":{"rendered":"Structural and MEP Design for a Hillside Three-Story Residence, Oakland, CA\u00a0"},"content":{"rendered":"\n

S3DA Design was engaged to provide full structural and MEP engineering for a new three-story single-family residence located on a steep hillside lot in Oakland, CA. The project\u2019s sloped terrain and seismic considerations required a highly engineered structural solution to safely support the building while optimizing constructability and cost.<\/p>\n\n\n\n

Structural Engineering for a Sloped Site<\/strong>:<\/strong> The hillside condition was a defining factor of the structural design. Our team performed a detailed gravity and seismic analysis to address significant elevation changes, unbalanced soil pressures, and lateral forces common to sloped sites in high-seismic regions. The structural system was carefully engineered to manage vertical and lateral load paths from roof to foundation, ensuring long-term stability and performance.<\/p>\n\n\n\n

The final design utilized a concrete structural frame with special reinforced concrete shear walls and moment-resisting frames, providing the necessary stiffness and ductility for seismic resilience. Elevated floor systems were designed using a combination of concrete slabs and wood joist framing, allowing efficient load transfer while accommodating architectural layouts and hillside geometry. A robust foundation system was developed to interface with the sloped ground conditions and resist overturning, sliding, and differential movement.<\/p>\n\n\n\n

Deliverables included a comprehensive structural calculation package, fully coordinated construction drawings, detailed schedules and sections, and a 3D IFC model to support visualization, clash detection, and interdisciplinary coordination.<\/p>\n\n\n\n

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Integrated<\/strong> MEP and Energy Design:<\/strong> In parallel, our MEP team delivered a fully coordinated set of building systems tailored to the residence. The scope included HVAC design with detailed load calculations and duct layouts, complete electrical power and lighting design with single-line diagrams, and a comprehensive plumbing system covering domestic water, sanitary drainage, natural gas distribution, and roof rainwater management.<\/p>\n\n\n\n

To meet California energy requirements, we prepared a Title 24 energy compliance report, providing the owner with multiple equipment and envelope options to achieve code compliance while maintaining energy efficiency and occupant comfort.<\/p>\n\n\n\n

This project demonstrates S3DA Design\u2019s expertise in delivering structurally sound, hillside-responsive solutions for complex residential projects. By integrating structural, MEP, and energy design under one coordinated approach, we delivered a permit-ready design package that balances safety, performance, and architectural intent on a challenging sloped site.<\/p>\n\n\n\n

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