Derek Gibson P.Eng.

Senior Associate, Civil/Structural & Building Science
Direct: 416-368-1700

Our Associates perform on-site investigations to determine origin and cause of complex losses. Their process: examine and collect evidence, take on-site photos, interview witnesses, conduct testing in our lab and analyze data to produce technical reports that are clear and concise.


Expert summary

Derek is a Senior Associate for the Civil/Structural Group at 30 Forensic Engineering. Derek received his undergraduate engineering degree at Concordia University in 1988.  During his time at 30 Forensic Engineering, Derek has been engaged in hundreds of forensic investigations. His expertise includes building sciences, building enclosure systems, and the evaluation of building structures. Derek’s wealth of experience in building condition assessments has been vital to establishing the condition of building envelopes, interior finishes, and structural and exterior architectural building features.  Derek has also acted as a private sector liaison regarding building structures for the Fire Department personnel during active fire suppression events.


  • Civil Engineering – Structures, Building Science and Building Enclosures
  • Structural Steel, Wood, Reinforced Concrete and Masonry Design
  • Building Code Compliance
  • Building Condition Assessments, Performance Audits and Reserve Fund Studies
  • Building, Property and Construction Failure Investigations
  • Building Fire Damage Assessments
  • Forensic Engineering Investigations and Litigation support
  • Project Management, Construction Specifications, Contract Preparation and Tendering

Academic Background

Bachelors of Engineering (Building a.k.a Architectural Engineering), Concordia University, Montreal,    Quebec, 1988

Diploma of Collegial Studies (Pure and Applied Sciences), John Abbott College, Ste. Anne de Bellevue, Quebec, 1984

Additional Courses

  • Design of Aluminum Structures Seminar – Canadian Society of Civil Engineers, Toronto, 2008
  • ASCE Design & Renovation of Wood Structures, Scottsdale, AZ, 2007
  • CMDC Masonry Seminar – Understanding the New 2004 Masonry Standards, Toronto, 2006
  • Building Science Insight Seminar – Roofing: Staying on Top of Technology and Change, Toronto, 2005
  • AutoCAD2000i Overview, Michigan, USA, 2001
  • Intermediate AutoCAD 14, Michigan, USA, 2000
  • AutoCAD R14 Level 1, 1999
  • Technical University of Nova Scotia, Continuing Technical Education Seminar, Building Envelope Failures, 1989

Employment background

-30- Forensic Engineering
Senior Associate, Civil/Structural
February 2018 – Present, Toronto, ON

  • Construction assessments, including costing and deficiencies
  • Building sciences
  • Building systems and structural failure analysis
  • Building code assessments

Craig Patrik Associates Inc.
Principal Consultant
January 2017 – February 2018, Whitby, ON

  • Fire and storm damage assessments to residential buildings
  • Roofing system condition assessments
  • Building code assessments
  • Construction inspections

PT&C LWG Forensic Consulting Services
Senior Project Engineer

February 2016 – December 2016, Mississauga, ON

  • Forensic engineering investigations of collapsed structures
  • Structural evaluation on buildings damaged by vehicle impacts, fire and natural disasters
  • Building code assessments
  • Business development
  • Litigation support

RJC Engineers Inc.
Project Engineer
April 2014 – September 2015, Toronto, ON

  • Business development in Forensic Engineering
  • Fire damage assessments
  • Load reviews for structural floor and roof systems
  • Building condition assessments
  • Building code compliance audits

Craig Patrik Engineering Associates Inc.
Principal Owner
January 2012 – April 2014, Whitby, ON

  • Fire and storm damage assessments to buildings
  • Engineering design of foundations, structural steel, reinforced masonry and concrete structures
  • Failure analysis of building enclosure systems
  • Litigation support

CEP Forensic Engineering Inc.
Forensic Engineer
January 2011 – December 2011, Oshawa, ON

  • Load analysis of an existing reinforced concrete parking garage roof deck
  • Assessment and remediation of a building damaged by vehicle impacts and storms
  • Assessment of storm damage to a boat house structure
  • Fall and personal injury investigation at a public pool
  • Design of temporary wall support and new permanent wall at building loading bay
  • Litigation support

Giffin Koerth Inc. Forensic Engineering
Forensic Engineer
May 2005 – December 2010, Toronto, ON

  • Building science investigations of failed architectural components
  • Structural evaluations on buildings damaged by vehicle impacts, fire and natural disasters
  • Project management of property loss rehabilitation
  • Litigation support

Barry Bryan Associates Ltd.
Project Engineer – Special Projects
October 2003 – November 2004, Whitby, ON

  • Structural steel design of special projects such as fall restraint systems, maintenance platforms, conveyor monorail extension in automotive plant
  • Design and specifications for an office addition including grade beam foundation, structural framing and building enclosure system

SmithGroup Inc.
Architectural Engineer
May 1999 – May 2003, Detroit, Michigan, USA

  • Hygrothermal analyses of building components in wall and roof assemblies
  • Roof system design for a new large pharmaceutical company campus
  • Provided specifications, plans, contract administration, and site inspection for roofing replacement of an aircraft hangar building and storage warehouse
  • Designed steel roof access ladder and platforms for large sports stadium
  • Hart Plaza Condition assessment

Consultant (Self-Employed)
Independent Consultant
July 1998 – April 1999, Ottawa, ON

  • Provided repair specifications for underground garage ramp and tunnel
  • Prepared siding replacement design, renderings and specifications for a townhouse condominium
  • Carried out site inspections on a warehouse wall re-cladding project

Keller Engineering Associates Inc.
Building Science Engineer, EIT/P.Eng.
May 1991 – June 1998, Ottawa, ON

  • Post construction investigations of troublesome building systems
  • Repair and rehabilitation of structures, building enclosure systems
  • Removal and replacement of a contaminated concrete masonry shear wall
  • Reserve fund studies and building condition assessments
  • Performance audits on new condominium buildings
  • Fall arrest anchorage design and testing

Batten Sears & Associates Consultants Inc.
Building Science Engineer, EIT
June 1990 – March 1991, Ottawa, ON

  • Feasibility study for school re-cladding
  • Flat roof to pitched roof truss retrofitting for a townhouse condominium
  • Brick veneer replacement and glazing system installation at a high school
  • Roofing system assessments/inspections

ADI Limited
Design Engineer, EIT
May 1988 – May 1990, Fredericton, New Brunswick

  • Designed foundation, structural steel framing system and load-bearing masonry systems for cold storage distribution warehouse, wastewater treatment facilities
  • Checked calculations for more senior licensed engineers in accordance with internal review protocols
  • Designed a hazardous materials storage building for Department of National Defence comprising reinforced masonry walls and concrete foundation
  • Completed various building condition assessment studies for the New Brunswick Housing Corporation



  • Engineers Geoscientists New Brunswick (2020), Licensed P.Eng.
  • Professional Engineers Ontario (1991), Licensed P.Eng.
  • Engineers Geoscientists Manitoba (2016), Licensed P.Eng.
  • Association of Professional Engineers and Geoscientists of Saskatchewan (2016)
  • Association of Professional Engineers and Geoscientists of Alberta (2016), Licensed P.Eng.

Publications and Speaking Engagements

  • Co-authored “Understand The Tension” article, April 2015 Claims Canada magazine
  • Post-Fire All Saints Anglican Church, Whitby ON – Congregation Q and A