O-1954-476 - Laserfiche WebLink

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~,..a....." e ~ t- ,-' , e -24- e (c) Wooden colunms shall not rest directly on floor joists. (d)' ,Then supported by masonry, suitable stone or metal bases shall be set between the column and the masonry. 7. FIRESTOPPDlG. (a) When thew'alls are furred, thefPace created by the furring shall be firestopped with noncombustible material at floors, ceilings and roofs. The firestopping shall b~ the full thiclmess of the furring and extend from the ceil- ing to the underside of the flooring or roof. (b) When joists run parallel to the wall the space between the wall and nearest joist shall be not less than 1 inch and shall be solidly filled with masonry or approved noncombustible material. (c) Interior stud partitions shall be firestopped at the floors and ceiling of ea.e.h stary by a 2 inch nominal. dimenSion, wood plate, the width of the stud, or the equiyalent. (d) When sliding doors are pocketed in partitions, such pockets shall be completely firestopped at the top:, bottom and ends, with noncombustible materiaJs or 'Nith wood not less than 2 inches :in thic1mess nominal dimension. (e) Joists shall be firestopped at the ends and over supports for the full depth of the joists with noncombustible material or with wood not less than 2 inches in thickness, nominal dimension. (f) No firestopping shall be covered' or concealed until inspected by the building official. 8. BAY \mDOIiIS AND SHON WINDOI1S. Bay windows and show windows that extend beyond exterior walls' shall be constructed of noncombustible material:s; except that show windows that do not extend above the second story floor level and bay windows on dwellings may be constructed of wood; W1 en such l;Iay lrindmvs of wood are more than 10 feet in width they shall be covered on the exterior surfaces with metal or other approved noncombustible, weatherproof materials. 9. MANSARD ROOFS. Mansard or other slanting roofs having a pitch of more than 600 from the horizontal, hereafter placed on a building over 40 feet in height, shall be 'offireproof construction or semifireproof construction. 10. DRAFT STOPS ]Ii ATTIC SPACES. Attic spaces shall be divided :into areas of 3,000 square feet or less by tight draft stops; these shall be of 2 thicknesses of I-inch lumber with joints broken or the equivalent, with access doors of similar construction.