the original document reflecting changes

This publication is a revision of the original document reflecting changes in construction practices and revisions to OSHA 1926 Subpart R. Since this is a revision of the original manual with the majority of composite front door pricesit being reprinted,the SDI would still like to recognize those involved with this original manual.

Especially Professor Larry D. Luttrell of West Virginia University (Research Advisor to the SDI) for his review and interlocking wood retaining wall boardscomments; Mrs.Cheryl Janusz for editing the text; Mr. Merle Nordyke for his excellent cartoons; Mr.John McMahon of the Institute of the Ironworking Industry for his advice; and the members how do i make concrete floor my back yard Taiwanof the Steel Erectors Association of America (SEAA) for their many helpful suggestions.