
Tenant Improvement Engineering: Structural + MEP Design in Mooresville, NC
S3DA Design provided Structural and full MEP engineering for a tenant improvement project in Mooresville, North Carolina, supporting permit-ready documentation and coordinated building systems upgrades.
S3DA’s Scope
Structural
- Structural calculations and detailing for a new door opening
Mechanical
- New HVAC system design including load calculations, air distribution devices, and air balance approach
- New restroom exhaust fans
- HVAC system analysis/recommendations and mechanical schedules
- HVAC air distribution plan
Electrical
- Reuse existing incoming service from utility transformer to main distribution board
- Complete power distribution design: distribution, sub-distribution, and branch circuit panels
- New exit signs, interior lighting, and façade lighting with controls
- New outlet rough-ins
- Power distribution for HVAC and miscellaneous equipment
- Low-voltage rough-in provisions per owner direction
Plumbing
- New domestic water, water heating, sanitary, and venting
- New plumbing services aligned with the updated tenant layout
- Condensate collection for mechanical equipment
- Water heater selection, schedules, and plumbing equipment schedule
- Isometric drawings and details
Energy Compliance
- COMcheck compliance documentation for HVAC, plumbing, and lighting (anticipated prescriptive method)
Key Challenges & Solutions
Tenant improvements often require balancing new layouts and equipment needs while coordinating around existing building infrastructure. S3DA streamlined coordination across Structural + MEP to align the HVAC distribution, electrical service reuse, and updated plumbing routing—supporting efficient permitting and constructability with fewer field conflicts, leveraging our integrated design approach as a single source for engineering responsibility.
The Result
A coordinated structural and MEP design package that supports a smooth tenant build-out—featuring upgraded HVAC, compliant lighting/power distribution, refreshed plumbing systems, and COMcheck documentation to help move the project efficiently toward approval and construction.
