Guide to safe stairways, walkways, and railings.
Contributors: University of Texas at Austin. Petroleum Extension Service.; International Association of Drilling Contractors.
Publisher: Published by Petroleum Extension Service, the University of Texas at Austin in cooperation with International Association of Drilling Contractors
Published: 1978
Place of publication: Austin, Tex
Language: eng
Number of pages: 14
Subjects: Oil well drilling rigs -- Specifications.; Stairs -- Specifications.; Hand-railing -- Specifications.
Genres: Specifications.
Notes: Laminated insert: "General dimensions for full stairway railings" and "Guardrail specifications" ([2] p.) inserted.