Pipes/lines have been purged, as appropriate. 

Okland

Subpart K (3) pg 36

3. Control of Hazardous Energy Sources (Electrical & Other) – Lock-Out Tag-Out:

a. The unexpected energizing or start-up of machines, tools or equipment, or the release of stored energy that could cause injury to employees or damage to equipment (e.g. Electrical, Hydraulic, Pneumatic, Magnetic, Heat, Mechanical, Radiation, Gravitational, Chemical, Stored Energy, such as in springs, batteries, and items under tension, etc.) shall be controlled through an effective Lock-Out Tag-Out (LOTO) program. Okland employees shall comply with the requirements stipulated in Okland’s Control of Hazardous Energy Program.

i. All electrical wiring shall be treated as though it is energized until it is determined that the wiring is not yet connected to an electrical source or the electrical source is properly locked-out and tagged.

ii. Each employee exposed to a potential hazard from the unexpected energizing or startup of machines, tools or equipment, or the release of stored energy, shall be protected with their own lock and tag.

iii. When it can be done safely, an appropriate test of the LOTO shall be done to ensure that it has been effectively implemented.

iv. Employees shall unplug all hand tools prior to servicing the tool (e.g. unplugging a grinder prior to changing the grinding disk).

v. All combustion equipment shall be turned off prior to fueling the equipment (e.g. turning off a compressor prior to fueling it).