Government/Military, Prison / Jail Fire extinguished by sprinkler system at men’s prison (Maple Ridge, BC, Canada) September 19, 2012 viking210 A fire that started in a storage room of a men’s prison in Maple Ridge was confined to the storage area and did not spread. Maple Ridge assistant fire chief Timo Juurakko said the fire activated the prison’s sprinkler system, which quickly doused the flames.