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City of Los Angeles

RESOLUTION NO. 5913

27, 1959

WHEREAS, Section 91.4811 (f) of the Los Angeles Municipal Code permits the use of 3f" plywood to be used as roof sheathing with supports spaced a maximum of 24" on center, and

WHEREAS, this type of construction results in excessive deflections when concentrated loads are placed adjacent to unblocked edges, and

WHEREAS, the individual sheets of plywood have in many cases buckled along the unblocked edges, and

WHEREAS, these deficiencies will result in shortening the life of a roof so constructed and are not in line with the type of construction intended when this Section was written

NOW, THEREFORE, Be It Resolved and Ordered that fi" plywood when used in accordance with Section 91.4811 (f) shall be provided with blocking or other edge support when the span of the plywood between rafters exceeds 16". This requirement shall become effective November 26, 1959.

I hereby certify that the foregoing Resolution was adopted by the Board of Building and Safety Commissioners at their meeting of August 27, 1959.

JAMES E. BIHR, Secretary.