Sample Symbols for Diagrams and Drawings Appendix 1 by wln19278

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									Office of the Fire Marshal of Ontario

                                                              Appendix A

                                     Sample Symbols for Diagrams and Drawings
  2HR           FIRE-RATED WALL (FULL BUILDING HEIGHT)                                     EXPLOSIVES
                                                                                     1
                FIRE-RATED SEPARATION                                                2     COMPRESSED GAS


   2HR          FIRE-RATED SEPARATION (NOT FULL HEIGHT OF THE BUILDING)              3     FLAMMABLE LIQUIDS


                SMOKE BARRIER (NOT RATED)                                                  FLAMMABLE SOLIDS
                                                                                     4
                SMOKE BARRIER (NOT RATED PARTITION WALL)                                   OXIDIZING SUBSTANCES
                                                                                     5
                SMOKE BARRIER (COMBINATION FIRE AND SMOKE BARRIER)                   6     POISONOUS AND INFECTIOUS SUBSTANCES


                SWINGING FIRE DOOR                                                   7     RADIOACTIVE MATERIALS


                SLIDING/ROLLING FIRE DOOR                                                  CORROSIVE SUBSTANCES
    FD                                                                                8
         EXIT   EXITS                                                                 9    MISCELLANEOUS


  FDA           FIRE DEPARTMENT ACCESS POINTS                                              POLYCHLORINATED BIPHENYL
                                                                                     PCB

   FE           ELEVATORS (FIRE FIGHTERS)                                       MSDS       MATERIALS SAFETY DATA SHEET


    E           ELEVATORS (GENERAL)                                        NG              NATURAL GAS SHUT OFF VALVE


  ANN           FIRE ALARM ANNUNCIATOR                                     P               PROPANE SHUT OFF VALVE


  FAP           FIRE ALARM CONTROL PANELS                                  O               OIL SHUT OFF VALVE


  FHC           STAND PIPE FIRE HOSE STATION                                               WATER SHUTOFF VALVE

                                                                                           ELECTRICAL MAIN DISCONNECT SWITCHES OR
         SP     SPRINKLER CONTROL VALVES                                        EP         PANEL

                HYDRANTS (PRIVATE)                                              T          ELECTRICAL TRANSFORMER ROOMS


                HYDRANTS (PUBLIC)                                                          FIRE FIGHTING WATER DRAINAGE POINTS


   AS           SPRINKLERED AREAS                                                          VENTILATION OPENINGS

     FE
                FIRE EXTINGUISHERS                                                         PRESSURIZED STAIRWELL


   NS           NON-SPRINKLERED AREAS                                                      SMOKE SHAFT OPENING IN THE ROOF
                                                                                     S

                FIXED EXTINGUISHING SYSTEM                                       S         SMOKE SHAFT OPENING

   APP                                                                      F.D. ACCESS
                APPROVED FIRE SUPPRESSION SYSTEM                                           FIRE DEPARTMENT ACCESS ROUTES

                                                                                           EXPLOSION RELIEF WALL (DIRECTION OF
                FIRE DEPARTMENT CONNECTIONS
                                                                                           EXPLOSION)

                WATER TOWER OR TANK ABOVE GROUND -- VERTICAL                               BLAST RESISTANT WALL


                WATER TOWER OR TANK ABOVE GROUND -- HORIZONTAL                  GEN        EMERGENCY GENERATOR


                PRESSURE TANK                                                              MANUAL START-UP SYSTEMS


        ST      ISOLATION VALVE -- STANDPIPE


        IV      ISOLATION VALVE


   6"           WATER MAINS WITH SIZE INDICATION

								
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