What is a PIV 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. Most commonly a raised post, the PIV is found in the yard near the building or mounted on the outside of the building.
What is a PIV inspection?
These regular visual inspections are to ensure that the valve has not been deliberately or accidentally tampered with and that the necessary water supply is provided to the structure the PIV is for.
What is a post indicator value?
Post indicator valves are used in any application where responding firemen need a clear indication of the open or closed position of the valve, and an easy way to open or close the water supply from outside the building.
How much do PIV units cost to run?
approximately 1p-2p per day
The cost to run a PIV unit in the U.K is approximately 1p-2p per day in energy. A PIV unit can also ameliorate indoor air quality by reducing smells, volatile organic compounds or VOCs, and contaminants that enter the home.
What is a PIV switch?
The Model 1181 PIV is a weather proof and tamper resistant wireless switch for monitoring the open position of fire sprinkler control valves of the post indicator, butterfly and other types. The contact operates the external contacts of the wireless transmitter when the valve position is altered from an open state.
Can FDC be painted?
e) Located not less than three (3) feet from the protected PIV or FDC. f) Guard posts shall be painted with high-visibility OSHA safety yellow paint.
How much does a heated PIV cost to run?
Two of the many benefits of a PIV unit are its low upfront cost and minimal energy usage. On average a PIV unit will consume 5 watts of power which will cost just 1p a day to run.
Do PIV systems make house cold?
PIV units work in both houses and flats If you do not have a loft or it has been converted, PIV units can also pull in air from outside the house. However, you may need a PIV unit which heats the air so that you’re not also cooling your house in winter months.
Can you block a FDC?
FDC Requirements The FDC must be easy to access quickly, and should not be blocked by fences, trees, bushes, walls, etc.
How much does it cost to pump a standpipe?
The minimum pressure while flowing the required standpipe flow (500 GPM from the hydraulically most remote standpipe and 250 GPM from each additional standpipe, up to a maximum of 1000 GPM for a fully sprinklered building) shall be 100 psi at any valve outlet while flowing 250 GPM through each valve.