Wet Systems
Pressure gauges shall be installed _______ on alarm checks or system riser checks
What is above and below
This is required in valve rooms of dry systems.
What is light and heat?
The heat source shall be of this type.
What is permanently installed?
Unless permitted, anitfreeze shall be this; a list published by an organization that is acceptable to the AHJ.
What is listed?
Pipes and fittings installed on the exterior of the building or structure shall be this.
Relief valves hall be provided, unless 7.1.2.2 is met, and set to this.
What is 175psi
This type of system is not allowed on a dry system.
What is gridded?
Not more than this many sprinklers shall be controlled by any one pre-action.
1000
a drain/test connection shall be installed at this location.
What is most remote portion of the system?
In regards to outdoor sprinklers, manually controlled open sprinklers shall be used only when this.
What is where constant supervision is present?
Wet systems shall be permitted to supply dry, preaction or deluge systems provided this.
What is adequate water supply?
One foot of 6in pipe holds about this much water.
What is 1 and a half gallons?
Sprinkler piping and fire detection devices shall be automatically supervised where more than this many sprinklers are installed.
What is 20?
This is installed to prevent thermal expansion.
What is a listed expansion chamber?
Branch lines installed in refrigerated spaces shall be pitch to this?
What is 1/2" for every 10ft?
A single air vent with a connection conforming to 8.16.6 shall be provided on each of these.
Wet pipe systems utilizing metallic pipe.
A system of this size of not more than this shall be permitted a quick opening device and not be required to meet water delivery time.
Preactions shall be of these three types.
What is Single interlock, double interlock, and non-interlock.
This type of antifreeze shall be permitted with ESFR sprinklers.
What is premixed solutions of propylene glycol?
A strainer shall be provided in the riser of feed mains that supplies sprinklers having K-factors smaller than this.
What is K-2.8.
This can be used in lieu of heated valve enclosures to protect valve and supply pipe from freezing
What is nothing.
Extra Hazard calculations for dry pipe systems shall be 2 remote sprinklers and this delivery time.
What is 45?
Preactions as defined in 7.3.2.1 (2,3) shall have a minimum supervisory pressure of this psi
What is 7?
Placards shall be placed on the antifreeze system main valve that indicates this.
What is manufacture type and brand, concentration by volume and the volume of solution?
In regards to dry pipe systems, approved gas can be from storage containers sized to provide a supply for this amount of time of expected maintenance.
What is 6 months?