Forensic failure analysis and litigation support by Zari Consulting Group Fire Protection Engineers

Forensic Failure Analysis Consulting

When a fire protection or life-safety system fails—or appears to fail—identifying the root cause is critical for preventing recurrence, resolving disputes, and documenting what happened. Zari Consulting Group provides forensic failure analysis led by Fire Protection Engineers, focused on determining contributing factors such as design deficiencies, code-related issues, installation errors, maintenance/operational problems, or product defects.

Many engagements are initiated by law firms, insurers, and claims teams following a loss event. We provide technically defensible findings and clear documentation to support claims analysis, dispute resolution, and litigation needs.


Systems Commonly Evaluated in Failure Analysis

Zari Consulting Group provides failure analysis for key building life-safety features, including:

  • Fire sprinkler and standpipe systems (water supply, demand assumptions, installation, impairment history)
  • Fire alarm systems (design intent, device placement, programming/sequence logic, interfaces, monitoring)
  • Smoke control systems (sequences, controls, dampers/fans, power, pressure/airflow performance)
  • Mass notification systems
  • Egress illumination and emergency lighting
  • Fire and smoke barriers (continuity, penetrations, joints, field conditions)
  • Corridor walls and rated assemblies
  • Fire/smoke-rated doors and opening protection
  • Shaft enclosures and stair integrity
  • Fire/smoke dampers and related controls

When an investigation involves system intent and documentation, our forensic work aligns with related engineering services such as
fire alarm system design and testing,
fire suppression system design and testing,
and
smoke control system design.


Our Failure Analysis Approach

Following a fire incident (or system performance issue), we conduct investigative research designed to identify contributing factors and evaluate compliance with applicable safety standards and design intent. Depending on the engagement, our work may include:

  • On-site surveys and condition documentation
  • Document review (drawings, submittals, test records, inspection reports, maintenance logs, sequences)
  • Code and standards review relevant to system intent and required performance
  • Interface evaluation between systems (alarm/smoke control, suppression/alarm monitoring, power/controls)
  • Root cause analysis to identify failure modes and contributing conditions
  • Clear written findings suitable for stakeholder, claims, or technical review

Life-safety systems incorporate redundancies and are expected to perform under critical conditions. Our analysis focuses on what should have happened, what did happen, and why.


Litigation and Claims Support

For law firms and claims stakeholders, failure analysis often requires a clear chain of technical reasoning supported by documentation and field observations. Zari Consulting Group can support matters involving:

  • System performance disputes (alarm, sprinkler, smoke control, egress features)
  • Design vs. installation vs. maintenance responsibility questions
  • Code compliance and life-safety intent evaluations (scope dependent)
  • Product performance questions and interface failures (scope dependent)

Deliverables are scoped to the needs of the matter and commonly include a documented findings summary supported by records review and site observations.


Hire a Failure Analysis Expert

If you need forensic investigation support for a fire alarm, sprinkler, smoke control, or life-safety system performance issue, Zari Consulting Group is ready to help.

Call: (888) 779-3397
Or: Use the form on this page to speak with a failure analysis expert.


Failure Analysis FAQ

What is forensic failure analysis in fire protection?

Forensic failure analysis is an investigation to determine why a fire protection or life-safety system did not perform as intended. It evaluates design intent, installation, maintenance/testing history, and operational factors to identify root causes and contributing conditions.

Do you investigate fire alarm system design, installation, and operational failures?

Yes. We analyze fire alarm performance issues including device placement, programming/sequence logic, supervision and monitoring, interfaces (elevators, smoke control), and testing/inspection documentation.

Do you investigate fire sprinkler system failures and performance issues?

Yes. We evaluate sprinkler/standpipe performance factors such as water supply assumptions, system configuration, impairment history, obstruction concerns, and installation/maintenance documentation.

Do you provide forensic analysis of smoke control and egress system failures?

Yes. Smoke control failures often involve sequences, controls, dampers/fans, power, and pressure/airflow verification. Egress-related analysis may involve rated barriers, doors, emergency lighting, and other features that affect occupant movement and tenability.

What information do you need to start an investigation?

Helpful inputs include incident background, available drawings/submittals, testing and inspection records, maintenance logs, photos/videos, and any AHJ or stakeholder documentation related to the event.

What are the deliverables?

Deliverables vary by engagement, but commonly include a clear findings summary supported by documentation review and site observations, with identified failure modes and contributing factors.

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