Fire Hydrant {Ans: A valve connection on a water supply system having one or more outlets and that is used to supply hose and fire department pumps with water.}Impairment Coordinator {Ans: The person responsible for ensuring that proper safety precautions are taken when a fire protection system is placed out of service. The building owner shall assign an impairment coordinator to comply with the requirements of this section. In the absence of a specific designee, the owner shall be considered the impairment coordinator.}OS & Y (Outside Screw and Yoke) {Ans: ...}Combination Standpipe and Sprinkler System {Ans: A system where the fire protection piping services both 21â„2 in. (65 mm) outlets for fire department use and outlets for automatic sprinklers.}Alarms and Supervisory Signal Devices {Ans: ...}Dry Standpipe with a Manual Control Valve {Ans: This system is supplied by a public water main. Under normal conditions this system has no water in the piping. The water is not allowed into the standpipe until a control valve is manually operated. The control valve remains closed until a fire occurs. The air in the piping is not under pressure. A pre-action valve prevents the water from entering the