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Fan coil unit seismic design built for real-world conditions

Fan coil units fail inspections when seismic restraints are not planned early. Missing anchors, misaligned supports, and late coordination lead to rework during installation.

Our BIM models define how each FCU is supported, restrained, and connected so it installs safely and meets seismic requirements from day one.

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See how fan coil units are modeled for seismic performance

A fan coil unit is only as good as its restraint design. Watch how our 3D modeling for seismic HVAC systems integrates FCUs with supports, hangers, and anchors in Revit ensuring layouts meet inspection and installation requirements.

Seismic issues show up when coordination is left late

Fan coil units sit in tight ceiling zones with piping, ducts, and structure. Without early seismic planning, problems surface during installation.

  • Restraints added after layout is fixed Supports don’t align with structure or available space
  • Anchors conflict with services Seismic bracing clashes with piping or ductwork
  • Inspections fail due to missing details Restraint documentation doesn’t meet code requirements
  • Field teams improvise solutions On-site fixes increase cost and delay installation

What’s included in every seismic FCU modeling package

Our fan coil unit seismic modeling includes everything needed for coordination, compliance, and installation.

  • FCU placement – Units positioned with piping and duct connections
  • Seismic restraints – Anchors, bracing, and supports modeled per code
  • Support layouts – Hangers and mounting details aligned with structure
  • Coordination views – Layouts verified across MEP and ceiling zones
  • Tagged drawings – Units, restraints, and connections clearly labeled
  • Shop-ready outputs – Documentation prepared for inspection and install
  • LOD 350–400 models – Construction-ready BIM deliverables

How our seismic FCU layouts move from model to installation

Clear steps from design to install-ready shop drawings.

  1. Review & Setup Analyze HVAC drawings, seismic zone requirements, and code compliance.
  2. Modeling in Revit Develop accurate Revit fan coil unit modeling with tie-ins and restraints.
  3. Coordination Integrate layouts with ducts, piping, structure, and seismic anchors.
  4. Seismic Detailing Document hangers, supports, and restraint methods per local standards.
  5. Construction Docs Deliver fan coil unit shop drawings at LOD 350/400 for field execution.
  6. Ongoing Support Provide updates in BIM coordination meetings and Procore.

Seismic fan coil unit layouts across coordination and detailing

  • FCU layouts showing placement within ceiling zones
  • Seismic restraint details with anchors and bracing
  • Coordination views resolving clashes with piping and ducts
  • Section views showing supports, spacing, and clearances

For teams responsible for safe and compliant installations

  • Contractors installing FCUs with seismic restraints
  • Designers developing HVAC layouts with compliance requirements
  • BIM managers coordinating FCUs across trades
  • Field teams relying on accurate restraint and support details

Stop fixing seismic issues during installation

Restraints and supports should be planned before site work begins.

The old way

The Eracore Way

Secure your seismic FCU designs

Send us your HVAC layouts and we’ll review FCU placement, seismic restraint requirements, and coordination risks before installation begins.

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Seismic layouts that hold up during installation

Every FCU layout is developed to match how it will be installed, not just modeled.

  • Restraint systems planned with actual space and structural constraints
  • Anchor and support details defined before installation begins
  • Coordination resolved in BIM, not on-site
  • Documentation aligned with inspection and compliance requirements
  • Consistent outputs that reduce revisions during coordination

Seismic design leaves no room for error

Work with Eracore to ensure your fan coil units are modeled, restrained, and installed with complete confidence.

FAQs

  • What is fan coil unit seismic design?

    Fan coil unit seismic design ensures that units are properly anchored and restrained so they remain stable and compliant during seismic activity.

  • Why are seismic restraints critical for fan coil units in HVAC systems?

    Fan coil unit seismic restraint system prevents movement or failure, securing equipment, piping and building safety in seismic prone locations.

  • How does BIM improve seismic fan coil unit layouts?

    Using BIM fan coil unit layout, upfront seismic model helps to coordinate the HVAC, structural and MEP systems without clashing, and comply with the standards.

  • Can Revit model seismic details for fan coil units?

    Yes, the modeling of a Revit fan coil unit covers supports, anchors, and seismic restraints, that make designs visible and constructible in accordance with the engineering codes.

  • What codes or standards apply to seismic HVAC design?

    HVAC seismic compliance standards are similar to IBC standards, ASCE 7 standards and SMACNA standards that specify restraint and anchoring of mechanical equipment.

  • How do coordinated BIM models reduce seismic installation risks?

    The seismic HVAC system 3D modeling also makes sure there are support and restraints that are correctly positioned and that there are no conflicts on the field and that the rework is minimal and costly.

  • Can you provide shop drawings with seismic restraint details?

    Yes we provide fan coil unit shop drawings that have seismic anchors, braces and coordination notes ready to be inspected and utilized in constructions.

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Next Steps

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