US Dept of Labor

Occupational Safety & Health AdministrationWe Can Help

Regulations (Standards - 29 CFR) - Table of Contents
• Part Number: 1915
• Part Title: Occup. Safety and Health Standards for Shipyard Employment
• Subpart: J
• Subpart Title: Ship's Machinery and Piping Systems
• Standard Number: 1915.163
• Title: Ship's piping systems.
• GPO Source: e-CFR


1915.163(a)
Before work is performed on a valve, fitting, or section of piping in a piping system where employees may be subject to injury from the direct escape of steam, or water, oil, or other medium at a high temperature, the employer shall insure that the following steps are taken:
1915.163(a)(1)
The isolation and shutoff valves connecting the dead system with the live system or systems shall be secured, blanked, and then locked or tagged, in accordance with § 1915.89, indicating that employees are working on the systems. The lock or tag shall not be removed or the valves unblanked until it is determined that this may be done without creating a hazard to the employees working on the system, or until the work on the system is completed, in accordance with § 1915.89. When valves are welded instead of bolted, at least two isolation and shutoff valves connecting the dead system with the live system or systems shall be secured, and then locked or tagged, in accordance with § 1915.89.
1915.163(a)(2)
Drain connections to the atmosphere on all of the dead interconnecting systems shall be opened for visual observation of drainage.

[67 FR 44545, July 3, 2002; 76 FR 24711, May 2, 2011]

Next Standard (1915.164)

Regulations (Standards - 29 CFR) - Table of Contents

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.

Close