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1 <br /> POTENTIAL PROCEDURES FOR HAZARD <br /> HAZARDS REDUCTION <br /> 7. Confined spaces cont. j The buddy system must be <br /> utilized when working <br /> within a confined space <br /> (i.e. if. the entry <br /> requires the person' s <br /> head to be below ground <br /> level or, the person is <br /> j working in a manhole or <br /> i other space in which an <br /> exit is restricted or not <br /> easily accessible. <br /> i <br /> Note: Entry into <br /> shallower vaults will not <br /> require the buddy system <br /> if ,the atmosphere meets <br /> GTI criteria (see page <br /> 18) via the one of the <br /> following means: (1) <br /> j installation of a <br /> ventilation system (2) <br /> manhole cover has been <br /> removed 5 minutes prior <br /> to entering the space. <br /> In both cases, air <br /> monitoring is required- <br /> continuously. <br /> equiredcontinuously. <br /> r _ <br /> I <br /> ' 12 <br /> r <br />