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VENTILATION PLAN <br />A. Plan Submittal <br />The mine operator is required by 30 CFR 75.370 to set out in printed form a ventilation <br />plan and revisions thereof, Under 30 CFR 75.370 the plan must be reviewed every 6 <br />months by an authorized representative of the Secretary. This requirement implies that the <br />plan in effect must be reviewed to determine if it is still appropriate for the mine and <br />continues to provide for an adequate ventilation system. It is not necessary to routinely <br />require a complete plan submittal to satisfy this review. However, when required in <br />writing by the district manager, the operator must submit a fully revised plan by <br />consohdating the plan and all revisions in an orderly manner and by deleting all outdated <br />material. <br />Any changes to the ventilation system that may materially affect the safety and health of <br />' persons in the coal mine, or that constitute a change to the information provided pursuant <br />to 75.371, are the type of changes that require approval by the district manager before <br />they are implemented. <br />1 <br />B. Mans <br />The operator is required to submit information in accordance with 30 CFR 75.372. This <br />' information is provided on an accurate up-to-date map at least once every 12 months. <br />The map shows information which is critical to the plan approval process but is not subject <br />to approval by the district manager. The information includes anticipated mine projections <br />' for at least a year and will assist in the evaluation of the adequacy of the ventilation system <br />for the period of time between reviews. <br />' Specific information that maybe shown on the map to satisfy the requirements of 75.371, <br />such as bleeder system evaluation details, is different from the informational requirements <br />and shall be treated as plan requirements. The review process should identify and <br />' reference the 75.371 items which are shown on the map. Such information is subject to <br />approval; and, no proposed revision to these plan requirements will be implemented before <br />it is approved by the district manager. <br /> <br /> <br /> <br />1 <br />