construction worker surveying

The Forensics of Building Codes

DonanEngineering Articles, Engineering Manager, Forensic Engineering, Structural Damage & Collapse

Background History shows us that building codes have been around for a long time – in fact, the earliest known was around in 2000BC[1].  Penalties were also much harsher for construction defects.  If a builder constructed a house that collapsed and killed the owner, the builder was not fined, but was put to death.  The United States has been a …

Ice Damming: Detection, Cause & Prevention

DonanEngineering Articles, Commercial & Residential Roofing, Forensic Engineer, Forensic Engineering, Registered Roofing Consultant, Structural Damage & Collapse, Winter Storm

Ice dams and their resultant leaks can be an expensive and even chronic problem in those regions where snow-covered roofs are a common occurrence. To understand their detection, cause, and prevention requires some understanding of the dynamics of a structure’s construction, insulation, and ventilation. Ice dams most commonly make their presence known when the owner or tenant of a shingle-covered …