Closing or opening a valve can cause a sudden surge in pressure, threatening water-based systems and the people who work around them. QRFS explains the phenomenon known as water hammer, describing what is, how it works, and how it impacts firefighting and the design of fire protection systems.
Contractors of all kinds rely on concrete anchors, but these fasteners’ impressive grip can make them particularly tricky to remove. QRFS takes a look at established and emerging ways to quickly remove concrete anchors.
At the fire scene, the engine company sometimes designates a person to stay with the fire hydrant while the engine and the crew advance on a burning building. QRFS explains how Carlin valves, a displacement-activated hydrant gate valve, can keep the engine company whole while facilitating safe and speedy hydrant activation.
A look at the evolution and impact of fire safety code that has caused most new commercial buildings to have fire sprinklers – and how revised code and local governments are now driving sprinkler retrofits in existing buildings.
With additional control equipment and air pressurization devices not found in wet sprinkler systems, installing a dry sprinkler system ups the complexity factor. QRFS explains components and NFPA requirements for installing dry systems in areas prone to freezing.
NFPA 13: Standard for the Installation of Sprinkler Systems has guided insurers, installers, and designers for more than a century. QRFS looks at the National Fire Protection Association’s 2019 changes, exploring technical revisions impacting ESFR storage sprinklers, system components, and sprinkler system design.
Follow the right fire codes for business that govern fire sprinklers, fire alarms, fire extinguishers, and safe food service operations if your organization is classified as a business occupancy.
NFPA 13 has guided sprinkler installers and designers for more than a century. QRFS looks at NFPA 13 2019 changes, including an organizational overhaul and technical revisions impacting residential sprinklers in NFPA 13 systems.
Collisions with sprinkler heads can cause costly flooding — but standard fire sprinkler cages may not be strong enough to withstand the hits some sprinklers are likely to face. QRFS looks at a line of heavy-duty fire sprinkler head guards designed to address the vulnerabilities in high-impact environments.
As the 2022 deadline for phasing out all current antifreeze solutions in wet sprinkler systems looms, the first – and only – product to meet the National Fire Protection Association’s (NFPA) standard is good news for property owners in regions that suffer bitter winters. QRFS reveals why current solutions were deemed unsafe and details the new solution.
