Ascertain the location of Code Manh

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N.Y.C. Fire Department Radio Code Signals (Updated 7/6/84)

      Ascertain the location of ........
      Code 1 Manhole fire extended to building(s).
      Code 2 Blown manhole cover(s) or smoke issuing under pressure.  F.D.
	     standing by.
      Code 3 Smoke seeping from manhole - condition less severe than code 1 or
      Code 1 Fire in tunnel or in other underground area.
      Code 2 Fire above ground or in open cut.
      Note:  Use appropriate code as information becomes available
      barbeques, salamander, etc.)
      Without Code Frozen, damaged pipe; or not covered by codes 1, 2, or 3.
      Code 1 Sprinkler Malfunction (surge in pressure, alarm valve defective).
      Code 2 Working on system
      Code 3 System activated by friendly fire or other heat source not
	     associated with an accidental fire.
      Code 1 Defective Alarm Device/System
      Code 2 unwarranted alarm (no defect, cigarette smoke, low battery alarm
	     signal, etc.)
      Code 3 "Recorded" alarm (no cause for alarm.)
      Code 1 Accident and/or washdown Gasoline Spillage.
      Code 2 Accident - No Gasoline spillage.
      Code 1 Elevator emergency.
      Code 1 Water leak in Structure.
      Code 2 Broken water main in street.
      Code 1 Gas Emergency.  (Gas Main leak:  Uncontrollable gas leak in
      Code 2 Electrical Emergency.  (Wires down; sparking fixture; short
      Code 1 Occupied structure.  Definite indications of incendiarism.  Fire
	     Marshal to respond.
      Code 2 Occupied structure.  While no definite indications of
	     incendiarism, witness and/or other civilians have information that
	     may be of value.  Fire Marshal to respond.
      Code 3 Vacant building.  Heavy volume of fire indicates definite
	     incendiarism.  Fire Marshal to respond as other priorities permit.
      Code 4 Vacant building.  Obviously incendiary and it appears that there
	     is very little chance for information leading to same.
      Code 1 Victim deceased.
      Code 2 Victim possibly deceased.
      Code 3 Victim suffering serious injuries which may lead to decease of the
      Chief response.
      company, two Battalion Chiefs, one Deputy Chief and the Field
      Communications Unit for a fire in a High Rise Building.
      Battalion Chiefs, one additional Rescue Company, the High Rise Unit, a
      Command Post Company and the Mask Service Unit for a fire in a High Rise
      building.  Note:	As used herein for signals:  10-76 and 10-77 the term
      "High Rise building" includes all buildings over 100 feet in height
      except Class A multiple dwellings.
      Code 1 A hazardous material incident which involves a severe hazard or
	     extremely large area and which will require expert assistance from
	     specialized agencies.  An incident where evacuation may last for a
	     prolonged time.  An incident where numerous civilians are injured
	     or exposed.
      Code 2 A hazardous material incident involving a lesser hazard or a
	     smaller area and requiring a smaller evacuation area.
      Code 3 A hazardous material incident which can be controlled by
	     responding units and the HMRT and does not require evacuation of
	     other than the involved structure or immediate area if outdoors.
       High Rise fire.