Glenn Traylor

How Should Defects Be Recorded When Inspecting a Critical Plate?

Glenn Traylor

A critical plate is a plate with a Joint Stress Index of 80% or greater. The ANSI/TPI 1–2014 Standard stipulates that critical plate inspections must be conducted when completing the three inspections per station/per shift/per week requirement. On average, the standard requires one...

#11236 Cover image
March 2019
Issue #11236
Page 34
Glenn Traylor

How Does a Fabricator Gain From a 3rd Party Audit?

Glenn Traylor

When a 3rd party inspector inspects a licensed plant, what exactly are the auditors looking for? And what can the fabricator get from the experience? What the inspection is NOT, and why that matters: The part 1 audit of the in-house paperwork is not a grade on neatness. It’s an...

#11235 Cover image
February 2019
Issue #11235
Page 34
Glenn Traylor

Is Automation the Right Direction to Take?

Glenn Traylor

After recently upgrading to a newer vehicle, I have been amazed at the new safety features. While it’s not self-driving, the features are definitely approaching an autonomous car. The basic functions are things like active cruise control with the “stop&go” function, which...

#11234 Cover image
January 2019
Issue #11234
Page 32
Glenn Traylor

How Important is Angulation? Why is It Important?

Glenn Traylor

Per ANSI/TPI 1–2014, National Design Standard for Metal Plate Connected Wood Truss Construction, plates should be installed within a 10 degree tolerance. So what happens when the plate is rotated and exceeds this requirement? The simple answer is: the configuration and design of...

#10233 Cover image
December 2018
Issue #10233
Page 33
Glenn Traylor

Are Roof and Floor Trusses the Only Components that Need a Quality Assurance Program?

Glenn Traylor

Roof and floor trusses are important components that need special consideration to insure their correct manufacture. Components built to the IRC and IBC require the manufacturer to adhere to specific requirements. These requirements provide a blueprint to facilitate the manufacturing of a...

#10232 Cover image
November 2018
Issue #10232
Page 31
Glenn Traylor

Does Your Lumber Have a Shelf Life?

Glenn Traylor

Just like some foods, lumber kept in the right environment will store for an indefinite length of time. But just like food, lumber kept in sub-par conditions will have a shortened storage period. If you’re not storing your lumber properly, you may have to question whether it can/should...

#10230 Cover image
September 2018
Issue #10230
Page 32
Glenn Traylor

What is the Most Common Fabrication Issue That Impacts a Truss?

Glenn Traylor

The most common problem typically encountered is excessive defects in the plated area of the truss. While some defects are acceptable in the plated area, the degree of defects depends on the actual joint situation and forces at the joint. Connector sizes are controlled by design, handling,...

#10229 Cover image
August 2018
Issue #10229
Page 32
Glenn Traylor

When Fabricating Components, Always Consider the End Result

Glenn Traylor

How the product will be used is a very important consideration when designing components, and it also comes into play during fabrication. The attic trusses in the photograph have a wedge installed at the wall–ceiling intersection. This is the intended design. Deeper in the rack,...

#10228 Cover image
July 2018
Issue #10228
Page 30
Glenn Traylor

Mind the (Member) Gap

Glenn Traylor

Everyone knows that member gaps can be caused by uncalibrated saws and poor jigging stops during truss set-up. But did you know the most likely cause of member gaps is the lumber carriage shifting or moving the lumber at an angle, thereby causing a skewed cut? This is especially true when a gang...

#10227 Cover image
June 2018
Issue #10227
Page 26
Glenn Traylor

Do You Need 100% Inspected for Proper QA?

Glenn Traylor

A process that requires the inspection of each individual unit or component received from a process or manufacturer is said to be “100 percent inspected.” When fabricators initially consider a quality program, this is what they imagine is necessary. This 100% process, however, is...

#10226 Cover image
May 2018
Issue #10226
Page 26

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