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Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

US. Department of Labor
Occupational Safety
and Health Administration
Washington D.C. 20210

Reply to the Attention of:

October 23, 1990



MEMORANDUM TO: Joseph McSorley
Region III
THROUGH: Linda Anku, Regional Administrator
FROM: Charles Culver, Director
Office of Construction and Engineering
SUBJECT: Grading Designations for Southern Pine Scaffold Planks.


1. Jim Loy, Director, Lumber Division, Southern Pine Inspection Bureau provided the following information on the designation of scaffold plank under the SPIB rules: Dense Industrial 72 Scaffold Plank and Dense Industrial 65 Scaffold Plank refers to wood in which 72% and 65% respectively is equal in its load carrying capability to clear straight grained Southern Pine.

2. If you have additional questions on southern pine lumber you may want to contact Mr. Loy directly. His phone number is (904) 434-2611 and he offered his help anytime we have questions.