Guide to Bosun’s Chair Systems (Rope Descent System)

Worker on a Bosun’s chair using suction cups to stabilize. Window Washing is often performed with either a bosun’s chair system (boatswain chair system) or suspended platform in conjunction with Pro-Bel rigging equipment (such as anchors, davits, outriggers, etc.). In OSHA, a bosun’s chair system is referred to as a Rope Descent System (RDS). Read on for a quick RDS guide …

Roof Rigging – Launching a Platform Explained

Roof Rigged Davit Systems are designed for buildings where ground rigging is not ideal. Sometimes, site conditions, particularly at lower levels, do not allow for a platform to be picked up from the ground. Roof conditions such as permanent equipment, parapet/screen wall height, building shape, and especially suspension height must all be taken into consideration when deciding between designing for …

Fall Protection Systems – The Design Process

Window Washing Equipment and Fall Protection System design is a highly specialized area. At Pro-Bel, we have a design process to ensure your system meets state/provincial and national regulations. Our Design Service is also FREE. Some highly complicated projects may require a fee, or if you’d like a more detailed design. In order to begin designing your Fall Protection/Window Washing …

Guide to Monorail Systems

Pro-Bel monorail systems are often used to access difficult to reach or otherwise inaccessible exterior or interior glass areas. Think of them as a continuous anchor system. We often design a monorail solution in cases where putting equipment on the roof is either not possible or not preferred.  Monorail Components Typically a Pro-Bel monorail system consists of an aluminum rail …

Gap Detail: Every Architect Should Know This

A common element in buildings today includes public terraces, which often have glass guardrails that are unable to bear the load of lines. In the case of non strucutral elements, one solution for suspended facade access is designing a more expensive davit system that provides clearance over the parapet. However, if we are involved early in the project, our designers …

Prescient Building Structure and Window Washing Systems

Prescient is a company that designs and constructs buildings with a proprietary light gauge steel design.  They are a new company founded in 2012 in the US that over the past few years, has begun applying their construction methods on mid and high-rise buildings. Building with Prescient provides developers/owners with both savings in construction costs as well as shorter durations …

Is Your Fall Protection System in Good Hands?

The manufacturer of your system or a professional engineer are the most qualified to provide you with inspections and certification services.  It’s important that your Fall Protection and/or Suspended Access System is being inspected in compliance with OSHA 1910.27. One requirement is that your system be inspected by a “qualified person”. Here’s how OSHA defines this term: “Qualified describes a …

Working Near Electrical Hazards

If your building is in a downtown metropolis area, window washers will likely be working close to live power lines, which can be dangerous! Whether the using or designing a window washing and façade access system live power lines should be taken into consideration. It’s important to consider the not only the proximity of the power lines but also the type …

OSHA’s Final Rule to Update, Align, and Provide Greater Roof Top Safety

Everyone is responsible for preventing falls when working on a roof. The building owner/property manager, the self-employed contractor, any subcontractor and the worker are each responsible for safety considerations. Health and safety on the roof starts when the decision is made to access the roof or work begins near the roof edge. All aspects of working safely at a height …

National Safety Stand-Down: To Prevent Falls In Construction (Repost from United States Department of Labor)

 https://www.osha.gov/StopFallsStandDown/ Check out the above link to OSHA Department of Labor. The following is a few highlights of the article: “The purpose of the National Fall Prevention Stand-Down is to raise awareness of preventing fall hazards in construction. Fatalities caused by falls from elevation continue to be a leading cause of death for construction workers, accounting for 279 of the …