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0 0 38 API RECOMMENDED PRACTICE 1646 12.6 LOCKOUT/TAGOUT PROCEDURES Before starting maintenance or construction activities,equipment with hazardous energy shall be de-energized through the use of lockout devices. Only if equipment is not capable of being locked out, may workers use a tagout process.Tagouts shall not be used during construction as the sole means of energy isolation. 12.6.1 Applying Locks and Tags Locks and tags shall be identified with the name of the person who applied it.When there is more than one affected employee on the same site,each employee shall affix their own lock to the energy isolation device.If necessary,multi-lock hasps shall be used to hold one lock per affected employee,such that all locks shall be removed before energy may be restored. 12.6.2 Testing De-energized Equipment,or"Trying"the Equipment After energy isolation devices have been applied,and before work begins;the machinery or equipment that has been de-energized shall be tested to confirm that equipment cannot be started and/or that the hazardous energy has been controlled.This is often referred to as Lock,Tag,and Try. 12.6.3 Removing Locks and Tags Lock-out locks and tags shall only be removed by the person who applied them.Under exceptional circumstances: Lock and/or tags may be removed by the person in charge(authority not to be delegated)after complying with the following procedure: • Verify that the person who placed the lock and tag is not on-site. • Make all reasonable efforts to contact the person. • Ensure that the site and applicable equipment is in a safe and operable condition. • Remove lock-out/tag-out. • Re-commission(start-up)equipment in a careful and systematical way to catch any unsafe situations. • Ensure that the person who applied the tag and lock knows the equipment has been returned to service. 12.7 TRAINING AND COMMUNICATION Before lockout or tagout operations start, the manager of the site and employees who may be working in the lockout area(for example in the same room as the electrical panel)shall be made aware that Iockout/tagout procedures will be taking place,what parts of the site may be de-energized,and that only the person performing the work may remove the lockout or ragout device.The multi-permit form in Appendix B.3 may be useful in meeting this requirement. 12.8 REFERENCES OSHA 29 CFR 1910.147 Control of Ifawrdous Energy 29 CFR 1926.417 Lockout and Tagging of Circuits These may be obtained from OSHXs website at http://www.osha.gov/index.httnl 13 Hot Work Minimum Required Knowledge 13.1 ACTIVITIES THAT CONSTITUTE HOT WORK Hot Work is defined as any work that will generate sufficient thermal energy to ignite combustible and/or flammable materials. The following activities are examples of Hot Work,however,there may be more that are applicable at specific locations:welding, burning,drilling,flame cutting,grinding,use of portable heaters,electrical tooWequipment that are not explosion-proof or intrin- sically safe),sandblasting operations(static charges),certain operation of internal combustion engines,or any other work capable of producing an ignition source at a retail petroleum/convenience site. NFPA 51B,Standard for Fire Prevention During Welding, Cutting, and Other Hot Work requires precautions to be taken in the presence of combustible materials within a 35 foot radius of hot work operations.Therefore,no Hot Work may begin within a 35 foot radius of any fueling system component where petroleum vapors may collect even in an upset condition,without: