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Parking Space ‘Wheel Stops’ in California – Answers for Puzzled Facility Owners, Managers, and Designers

Even though trip-and-fall injuries at parking space wheel stops continue to occur throughout California (and the nation), parking facility owners, managers, and even licensed architects and engineers often are reluctant to remove them…

Water 101 – Contractor’s Introduction to the Properties of Water

Senior Principal Lonnie Haughton presents this introduction of fundamental ‘real-world’ aspects of the properties of water.

The Perils of Undue Structural Reliance on Lag Screws – Case Study

This AVELAR case study explores certain aspects of the far-too-common tragedy of injuries and deaths resulting from the sudden collapse of balconies and decks.

Congratulations, Frank Wabiszewski, Jr. RRC!

Frank Wabiszewski, Jr., RRC has earned the title REGISTERED ROOF CONSULTANT (RRC®) from IIBEC.

An Abridged History of San Francisco’s Bureau of Building Inspection: 1944 to 1992

A chance examination of an archived Annual Report from the Department of Public Works (DPW) of the City and County of San Francisco (CCSF) sparked the research

An Abridged History of San Francisco’s Bureau of Building Inspection: Part II

In January 2016, this writer published a 78-page report (“An Abridged History of San Francisco’s Bureau of Building Inspection: 1944 to 1992”) that summarized

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