QTP1S0X1-2 — Hazardous Energy Control

QTP1S0X1-2 governs hazardous energy control procedures for testing, positioning, servicing, and maintaining machinery and equipment.

Search QTP1S0X1-2

  • Publication number: QTP1S0X1-2
  • Title: HAZARDOUS ENERGY CONTROL
  • Date: 2024-10-23

View QTP1S0X1-2 on armypubs.army.mil


It covers lockout/tagout, electrically safe work conditions, group procedures, training, inspections, materials, hardware, and mishap prevention tags. It requires hazardous energy control measures during testing or positioning and specifies procedures for removing devices and restoring equipment to service.

Topics covered

  • Hazardous energy control
  • Lockout/tagout procedures
  • Electrically safe work conditions
  • Group lockout or tagout
  • Testing or positioning of machinery
  • Mishap prevention tags

Questions and answers

Who may remove a LOTO device?

Each LOTO device shall be removed only by the authorized employee who applied it. (paragraph 2)

What must authorized employees do after removing all LOTO devices?

Authorized employees shall remove all LOTO devices and restore the energyisolating device to the “ON” position. (paragraph 3)

What is required when servicing or maintenance is performed by a group?

When servicing or maintenance is conducted by a crew, craft, department, or other group, a procedure ensuring an equivalent level of protection to personal lockout or tagout devices shall be employed IAW 29 CFR 1910.147(f)(3)(i). (paragraph 3)

What must happen during shift or personnel changes?

Specific procedures shall be implemented during shift or personnel changes to ensure the continuity of lockout or tagout protection, including provision for the orderly transfer of lockout or tagout device protection between off-going and oncoming employees, minimizing exposure to hazards from the unexpected energization, start-up, or the release of stored energy (29 CFR 1910.147(f)(4) / DAFMAN 91-203, 21.6.4.). (paragraph 3)

What must be done before continuing servicing or maintenance after testing or positioning?

Deenergize all systems and reapply energy control measures IAW 29 CFR 1910.147(d), continue the servicing and/or maintenance. (paragraph 3)

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