Integrated Structural, MEP, Solar & Title 24 Design for a Single-Family Home in Poway, CA
S3DA Design provided comprehensive structural, MEP, and solar engineering services for a custom single-family residence in Poway, California. The project focused on delivering a fully coordinated, energy-efficient, and future-ready design tailored for high performance and sustainability.
S3DA’s Scope
Structural Engineering
- Complete load analysis (wind, seismic, dead, and live loads)
- Structural design for foundations, beams, columns, floor systems, and load-bearing walls
- Shear wall and holdown design with detailed schedules
- Preparation of:
- Foundation plan
- Floor and roof framing plans
- Shear wall layout
- Structural details, notes, and specifications
Mechanical Engineering
- Code-compliant ventilation design
- Manual S calculations aligned with energy code requirements
- Mechanical system notes and detailed drawings
Electrical Engineering
- Electrical load calculations including solar integration
- Single-line diagram incorporating PV system connection
- Panel schedules and circuit layouts
- Lighting and power plans per architectural and ceiling layouts
- Code-compliant lighting controls and outlet placement
Plumbing Engineering
- Water heater sizing and selection
- Domestic hot and cold water system design
- Sewer and vent system layout
- Gas piping design with calculations
- Isometric diagrams for water and gas systems
Solar PV System Design
- PV system sizing and performance analysis
- Integration with electrical distribution system
- Single-line diagram reflecting solar interconnection
- Coordination with roof structure for optimal panel placement and load considerations
Title 24 Energy Compliance
- Full energy modeling using EnergyPro software, including solar contribution
- Evaluation of multiple system and envelope options
- Optimization of energy performance to meet California Title 24 requirements
Key Challenges & Solutions
Integrating a solar PV system alongside structural and MEP systems required careful coordination to ensure optimal performance without compromising architectural aesthetics or structural integrity. Using a BIM-driven workflow, S3DA aligned solar panel placement with roof framing while seamlessly integrating the PV system into the electrical infrastructure—maximizing energy generation and efficiency.
The Result
S3DA delivered a fully coordinated, permit-ready design package that meets California’s stringent building and energy codes. The inclusion of solar power enhances the home’s sustainability, reduces long-term energy costs, and ensures a future-ready, high-performance residence.
