PERMFILE65702 - Laserfiche WebLink

Home Browse Search

• 3. Blower fans will not be used. 4. Brattice will be used to ventilate faces during idle shifts and unscheduled fan failures. During these unscheduled fan failures, brattice will be installed if the fan is not operating again within 15 minutes. L. DIESEL EQUIPMENT 1. Any diesel equipment used in or inby the last open crosscut shall be schedule 31 approved. 2. All diesel equipment shall be maintained and operated in accordance with the manufactures' specifications and maintenance manual. These manuals and specifications shall be made available for reference. 3. Once each shift in working areas where diesel equipment is used, examinations for carbon monoxide (CO) and nitrogen dioxide (NO ) shall be made at the exhaust and in the immediate return of ea~h split approximately } hour after start up. If samples are above the current threshold limits, corrective actions will be taken immediately. A record of these examinations (along with their results) shall be maintained in a book kept on the surface. • 4. The examiner shall be provided with appropriate equipment to properly check for recirculation and air quantity. 5.. Once every day the diesel equipment shall be examined by a qualified person to insure that the equipment and scrubber system is being maintained in proper operating condition. A record of this examination, including the examiners initials and date, shall be kept on the surface. 6. The minimum quantity of air to be maintained over each diesel shuttle car during operation shall be 11,250 cfm and the minimum quantity of air passing through the last open crosscut where diesel equipment is used shall be 15,000 cfm. 7. Similarly, any other diesel equipment working in an outby area, other than haulage equipment working on main intakes, shall have an examination made for any poisonous or noxious gases immediately down wind from the working area during the time period as detailed above. -8-