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APPENDIX A <br />CONFINED SPACE ENTRY PERNIIT PROGRAM <br />ManholelVertical Entry Requirements for Fall Arrest/Retrieval Devices <br />Note: Fall Arrest/Retrieval Devices include: <br />...DBUSALA System (Winch & Tripod) <br />...CSEEM (Mechanical Advantage) <br />...Rollgliss (Mechanical Advantage & Tripod) <br />Condition <br />Bad rungs or no rungs, under <br />all topside conditions <br />Requirement <br />Fall arrest/retrieval system required <br />Good rungs, one person topside, <br />5' or less depth <br />Good rungs, one person topside, <br />greater than 5' depth <br />Good nings, two or more persons <br />topside, greater than I 5-20'* or less depth <br />Good rungs, two or more persons <br />topside, greater than 15-20'* depth <br />High flow conditions, all depths, <br />under all topside conditions <br />Rescue situation, all depths <br />Manual assist. Fall arrest/retrieval <br />system optional <br />Fail arrest/retrieval system <br />required <br />Manual assist. Fall arrest/retrieval <br />system optional <br />Fall arrest/retrieval system required <br />Fall arrest/retrieval system required <br />Fall arresbretrieval system required <br />*All manual assist entries assume the optimum use of personnel available at the scene. Less than <br />optimum conditions or use of personnel would call for the use of fall arrest/retrieval system <br />option. <br />26.