How do we specify glass railings?

Glass design and engineering analysis can be inconsistent across projects. There are several possible reasons for this including the treatment of guardrails as a product rather than an engineered structure, general inexperience with glass as an engineered material, and limited access to glass design software in the U.S.

To ensure you have all the pertinent details, ask suppliers to provide you with a comprehensive proposal, including detailed takeoffs with specific inclusions or exclusions for each railing style within the project scope. These details should include aspects such as finish, linear footage, structural attachment, and makeup. Additionally, request a submittal package that includes 3D renderings based on the architectural and structural specifics for the project.

High-definition surveying (HDS) technology offers tremendous benefits over conventional surveying. It allows for the capture of thousands of critical measurements with precision accuracy, thereby significantly reducing the need for fabrication rework. It also offers a much faster track to the manufacturing process by eliminating the risk of human error and saving weeks of manual field measuring.

Regardless of the method selected for analysis, there are two key principles that should be considered when specifying glass railing: the elastic properties of laminate interlayers (and how they change with temperature and load duration), and understanding that local stresses—e.g., contact materials, support size, and hole size—are critical. In light of these varying factors, it’s recommended that a good finite element program be used to accurately determine glass stresses instead of any manual analysis.

Glass analysis is the most critical aspect of specifying point-supported glass due to life-safety factors. It’s essential that those who have a stake in a project understand this and take appropriate measures to ensure that building code requirements are met.

This article originally appeared in the College Planning & Management June 2019 issue of Spaces4Learning.

About the Author

Dan Stachel is vice president of Trex Commercial Products (www.trexcommercial.com).

Featured

  • Recent University of Pennsylvania Projects Receive LEED Certifications

    The University of Pennsylvania in Philadelphia, Penn., recently announced that three of its recent construction projects have earned LEED certifications, according to university news. The Vagelos Laboratory for Energy Science and Technology (VLEST) received a LEED Platinum certification, Amy Gutmann Hall a LEED Gold, and the OTT Center for Track and Field a LEED silver.

  • FAU Starts Construction on Holocaust and Jewish Studies Building

    Florida Atlantic University recently began construction on a new academic building for its campus in Boca Raton, Fla., according to university news. The Kurt and Marilyn Wallach Holocaust and Jewish Studies Building will stand two stories, measure in at 22,000 square feet, and play home to the university’s Holocaust education and Jewish studies programs.

  • Malibu High School Campus Completes $102M Phase 1 of Construction

    Malibu High School in Malibu, Calif., recently announced that it has completed phase 1 of construction for its new campus, a news release reports. The first phase consisted of developing and modernizing the site of a former elementary school into a new, 70,000-square-foot, two-story facility.

  • Creating Long-Term Sustainability on College Campuses Through Fair Student Housing

    The quality of student housing can have a significant impact on an individual’s college experience. Today’s higher education institutions face mounting challenges, including declining enrollment, low retention rates between the first and second years, and a rise in student mental health concerns. Thoughtfully designed living spaces can help address these issues by creating environments that promote both academic focus and personal well-being.

Digital Edition