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A change of the regulation to eliminate the acceptance of a chest harness as part of a confined space rescue procedure is requested . When any work is performed in a confined space , except as provided in 1915.51 ( c ) ( 3 ) , or when an employee is working alone in an isolated location , frequent checks shall be made to ensure the safety of the employees . Entry into a confined space should not be made unless the following procedures have been completed . The effect of the concentrated artillery and musket fire on assault forces converging into such a confined space was devastating , as a contemporary chronicler , Robert C. Gilchrist , observed following the battle : " blood , mud , water , brains and human hair melted together ; men lying in every possible attitude , with every conceivable expression on their countenances ; their limbs bent into unnatural shapes by the fall of twenty or more feet ; the fingers rigid and outstretched , as if they had clutched at the earth to save themselves ; pale beseeching faces , looking out from among the ghastly corpses with moans and cries for help and water , and dying gasps and death struggles . Citations were issued for failure to develop and implement a lockout-tagout program that would render the large industrial washing machines inoperable while employees dislodged linens ; and for failure to develop and implement a confined space program , which requires monitoring the air in the washing machines before workers enter .