29 CFR 1910.147 Flashcards
Hot tap operations involving transmission and distributing systems for substances such as gas, steam, water or petroleum products when they are performed on pressurized pipelines do not need to be locked out provided the employer demonstrates ___
Continuity of service is essential, shutdown of system is impractical, and documented procedures are followed, and special equipment is used which will provide proven effective protection for employees
29 CFR 1910.147 requires employers to ___
Establish a program and utilize procedures for affixing lockout devices and tagout devices to energy isolating devices, and to otherwise disable machines or equipment to prevent unexpected energization, start up, or release of stored energy to prevent injury
An employee whose job requires them to operate or use a machine or equipment on which servicing or maintenance is being performed under lockout or tagout
Affected employee
A person who locks out or tags out machines or equipment in order to perform servicing or maintenance on that machine or equipment
Authorized employee
An energy isolating device is capable of being locked out if it has a ___
Hasp or other means of attachment to a affix a lock to or has a locking mechanism built into it
Connected to an energy source or containing residual or stored energy
Energized
A mechanical device that physically prevents the transmission or release of energy
Energy isolating device
Any source of electrical, mechanical, hydraulic, pneumatic, chemical, thermal, or other energy
Energy source
A procedure used in the repair, maintenance and services activities which involves welding on a piece of equipment under pressure
Hot tap
Commonly used to replace or add sections of pipeline without the interruption of service for air, gas, water, steam,, and petrochemical distribution systems
Hot tap
