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Business Details
41 Years
experience
Trusted Forensic & Fire Protection Engineering Services in Mesa, AZ
Grainger Consulting was founded in January 1985 as a natural extension of my extensive background in construction and design. Our firm specializes in forensic engineering, fire protection engineering, and code consulting services. We provide expert analysis of fire protection system failures, including sprinkler systems, fire alarms, structural fireproofing, and fire-rated separations. Our team has decades of experience in hydraulic failures, microbiologically induced corrosion, and fire safety code compliance. We serve architects, law firms, insurance companies, and contractors with forensic investigations, expert witness testimony, and alternate means and methods solutions.

Our work has been critical in personal injury cases involving fire system failures, and we take pride in delivering technically sound, client-focused results. With over 35 years of industry expertise, we combine deep technical knowledge with practical construction experience to solve complex fire safety challenges. Our commitment to excellence is reflected in our long-standing reputation and the trust clients place in our services. We approach every project with integrity, ensuring our clients receive accurate analyses and actionable recommendations tailored to their specific needs.
Services
Forensic Engineering Fire Protection Design Fire Sprinkler System Analysis Fire Alarm System Failures Structural Fireproofing Code Consulting Expert Witness Services Hydraulic Failure Analysis Alternate Means & Methods Fire-Rated Separations
Details
  • Year established: 1985
Highlights and features
  • We offer 35+ years of specialized fire protection engineering experience
  • Our team provides expert witness services in fire system failure litigation
  • We specialize in forensic analysis of complex fire protection system failures
  • We are third-party fire rating listing agents for high-security door systems
  • Our code consulting services address unique building compliance challenges
What people say
Excellent job reviewing Highly recommend Scott
Services
Forensic Engineering
We investigate fire protection system failures including pipe corrosion, sprinkler malfunctions, and fire-rated separation defects. Our engineers analyze hydraulic failures, water flow issues, and code compliance problems. With decades of litigation support experience, we provide expert testimony and technical reports for legal cases involving fire system failures.
Fire Protection Design
Our firm designs fire suppression, detection, and alarm systems for commercial and industrial facilities. We specialize in structural fireproofing, smoke management, and hazardous material storage systems. Our designs ensure compliance with NFPA standards and building codes while addressing unique project requirements through alternate means and methods solutions.
Expert Witness Services
We provide expert witness testimony in fire protection litigation cases. Our services include system failure analysis, code compliance evaluation, and courtroom testimony. With extensive experience in personal injury and property damage cases, we deliver technically sound opinions that withstand legal scrutiny and help resolve complex disputes.
Code Consulting
Our consultants address fire code challenges for new and existing buildings. We develop alternate compliance solutions for unique construction scenarios and evaluate fire alarm system performance. Our code consulting services help clients navigate complex NFPA 101 and IBC requirements while maintaining safety and functionality.
Hydraulic Failure Analysis
We analyze water distribution failures in fire protection systems, including microbiologically induced corrosion and inadequate water delivery. Our engineers conduct fire hydrant flow tests and evaluate pipe support failures. This service helps identify root causes of hydraulic failures and informs corrective design modifications to ensure system reliability.
People
Scott Grainger
President/Owner
Scott Grainger, P.E., founded Grainger Consulting in 1985 after extensive experience with the US Army Corps of Engineers and major construction firms. He specializes in forensic fire protection engineering and has served as an expert witness in numerous litigation cases. His technical expertise spans fire sprinkler systems, structural fireproofing, and building code compliance. Scott combines deep engineering knowledge with practical construction experience to solve complex fire safety challenges for clients nationwide.
Questions
What engineering services do you specialize in?
We specialize in forensic engineering, fire protection design, and code consulting services for commercial and industrial clients.
Do you provide expert witness testimony?
Yes, we provide expert witness services in fire protection litigation cases involving system failures and code compliance issues.
How long have you been in business?
Grainger Consulting has provided fire protection engineering services since January 1985.
What areas do you serve?
We primarily serve clients in Arizona with nationwide forensic investigation and consulting capabilities.
Can you help with fire code compliance?
Yes, we offer code consulting services including alternate means and methods solutions for complex compliance challenges.
Reviews (1)
Scott Patterson
Jan 23, 2022 Report
I tried to hire this firm to legally perform the services they advertise as being in business to perform and they accused me of soliciting them to perform an illegal act. Scott is not cranky he's crazy!