Layering security controls for healthcare projects

Looking down a hospital hall way lights

It is not difficult to imagine the need for security in healthcare environments. Where are the eyes and ears ensuring the safety of a newborn transported from labor and delivery? Can family members visiting a sick relative be confident their valuables are safe at bedside if they leave to grab a snack? What security precautions are taken when a rear exterior door to the hospital is propped open so staff can take a break?

Read More

Sound Thoughts on Door and Frame Assemblies: Exploring differences between STC and STL ratings

All images courtesy MegaMet Industries

When sound control acoustic door assemblies are selected, the usual way is to specify a sound transmission coefficient (STC) rating in accordance with established standards. However, this is not as catch-all as it sounds, especially when the sounds that must be blocked come in different frequencies. This article works to clarify some misconceptions about STC, and explores sound transmission loss (STL), which is derived from actual lab testing at specific frequencies.

Read More

Understanding New Accessibility Requirements for Doors

All images courtesy Allegion

The 2010 Americans with Disabilities Act (ADA) Standards for Accessible Design has several requirements that continue to surprise architects and specifiers. This article examines changes to door hardware operable force, use of low-energy automatic operators, protrusions into egress, and the need for proper maneuvering clearance.

Read More