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Signs meet 5.05 Signage of Buildings with Wood or Lightweight Steel Truss, or Composite Wood Joist (TJI) or Roof Construction (Reference 2007 San Francisco Fire Code Section 507.3.2).“The emblem shall be of a bright and reflective color, or be made of a reflective material. The placard shall be an isosceles triangular shape and the minimum size shall be 12 inches horizontally by six inches vertically. The following letters, of a color to make them conspicuous, shall be printed on the emblem and shall be a minimum size of 2-1/4 inches tall:
i. “F” to signify a floor with truss construction;
ii. “R” to signify a roof with truss construction;
iii. “FR” to signify a building with both floor and roof truss construction.
“Larger placards are permitted and their size shall increase proportionally to the specifications above. The emblem shall be permanently affixed to the left of the main entrance door between four and six feet above the landing, and shall be maintained by the owner of the building. Alternative locations may be approved by the Fire Marshal. Multiple signs may be required at the discretion of the Fire Marshal when multiple entrances to the building exist. The sign shall be suitable and durable for exterior use and its method of attachment to the building shall be of a permanent nature.”
