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Waste Not, Want Not

Can you explain changes to construction waste recovery? Statistics reveal that a copious amount of waste material is generated during the construction, renovation or demolition of a building. There is a heightened...

Panelized Construction Standards

Can you explain the new standards for panelized construction? New standards may soon impact all contractors involved in pre-building panels to be installed on a construction site. Two of these standards, from the...

Heat-Related Illness

Can you explain OSHA’s involvement in heat-related illness? Heat-stress continues to be a concern of the Occupational Safety and Health Administration, and the agency has recently entered a preliminary rulemaking stage. OSHA published...

CFS Design Considerations

Please explain the connection between head-of-wall fire resistive designs and composite design for non-structural cold-formed steel framing. The connection between the two is that potentially there is no connection between the two. The...

New Standard Explained

Please explain the new AISI S250. This new standard is titled “North American Standard for Thermal Transmittance of Building Envelopes with Cold-Formed Steel Framing.” The standard is recognized as an ANSI Standard, meaning...

NFPA 221 Defined

What is NFPA 221? This is an NFPA standard that was drafted in 1994 and is now ANSI’s Standard for High Challenge Fire Walls, Fire Walls and Fire Barrier Walls. What makes...

Stop the Sound

Can you explain the term “flanking” relative to acoustically rated partitions? “Flanking” in a military sense means to circumvent the enemy’s front line. The same is true in acoustics. Focusing on an acoustically...

What Is This Partition?

Q: I’m renovating an old building where the interior stud framing appears to be made from steel wire. What is this type of partition? A:  There was an interesting framing system developed by one...

Prescriptive Versus Performance

Q: What is the difference between a prescriptive-based and a performance-based building code? A: It is important to understand the main goal of a building code. The preface of the 2021 International Building...