Where are post indicator valves required?

Where are post indicator valves required?

A listed indicating valve at each connection into the building that is located at least 40′ from the building (if space permits) Control valves in a cutoff stair tower or valve room accessible from the outside. Valves located in risers with indicating posts arranged for outside operation.

What is an FDC and PIV?

The purpose of this standard is to provide minimum requirements and guidelines for the. installation of Post Indicator Valves (PIV’s) and Fire Department Connections (FDC’s) for fire. sprinkler systems.

What does PIV valve stand for?

In short, post indicator valves (PIVs) are sturdy, above-ground access and operator valves used for automatic sprinkler systems and wet standpipe systems whose main water supply valves are located underground.

What information is required to be on a control valve sign?

The sign needs to indicate the location of the two hydraulically most remote hose connections, the design flow rate for the connections, the design residual inlet and outlet pressures for the connections, the design static pressure, the design system demand (i.e., flow and residual pressure) at the system control valve …

What does a post indicator valve look like?

These systems usually have a lockable actuator which looks like a red metal steering wheel or a wrench/handle on top of a post. It also has a glass or plastic window, which indicates whether the valve is open or shut.

Are PIVs required?

History of the PIV Requirement While not a referenced standard from the International Building Code, the International Fire Code requires that all private fire service mains be installed in accordance with NFPA 24 (IFC 2000-06 Section 508.2.

What is a post indicating valve?

Installed in the main water line serving a building, the Post Indicator Valve (PIV) is a valve used to control the water supply to the fire sprinkler system. The PIV has a display that shows whether water is being pumped into the system (“OPEN”) or not (“CLOSED”).

Where do I put the FDC sign?

NFPA & International Fire Code Compliant FDC Signs Fire department connections should be marked by an approved sign mounted on the street front or on the side of the building. Such sign should have the “FDC” letters no less than 6 inches in height.

What are the four elements of information required to be permanently marked on every sprinkler?

4.1 All control, drain, venting, and test connection valves shall be provided with permanently marked weather-proof metal or rigid plastic identification signs.

What are indicating valves?

Indicating control valves Indicating valves physically show whether a valve is open or closed. A closed valve indicates that no water will flow beyond the valve and serves to alert the observer to the situation. In the event of a fire, no water would reach the individual sprinklers.

Are PIVS required?

What does the indicator sign on the gate valve mean?

Because the indicator sign is connected to the gate valve (also referred to as the operating shaft) and rises and falls as the shaft is turned to open or close the valve, it will reveal whether the valve is fully opened, fully shut, or if it may only be partially so (if the sign is not fully revealed in the visual indicator window).

Do I need A post indicator valve for my fire sprinkler system?

Quick access to your automatic fire sprinkler or wet standpipe system’s main water control valve can be key in an emergency. But if your system’s main control valve is located underground, quick access, visual or otherwise, is not possible without a post indicator valve (PIV).

What are the NFPA 14 requirements for post indicator valves?

The 2019 edition of NFPA 14: Standard for the Installation of Standpipe and Hose Systems offers the most specific post indicator valve requirements. Except for fire department connections, Section 6.3.6.1.1 says that every water supply should have a listed indicating valve in an approved location.

Do I need A post indicator valve for my main control valve?

But if your system’s main control valve is located underground, quick access, visual or otherwise, is not possible without a post indicator valve (PIV). If you have an underground main control valve, you may want to consider adding a PIV to your system.