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o Signage —"DANGER —CONFINED SPACE" <br />■ Required Equipment- For permit required confined space work, the following equipment, as a <br />minimum, shall be utilized: <br />o Calibrated air monitor capable of detecting: <br />■ Oxygen and percentage with alarms at >19.5% and <23.5% <br />■ Carbon Monoxide with alarm at 50 Parts Per Million <br />■ Hydrogen Sulfide at 10 Parts Per Million <br />■ Combustible gases at 10% of the Lower Explosive Limit (LEL) <br />o Air blower <br />o Signage — "DANGER — CONFINED SPACE" <br />o Retrieval tripod and ratcheting winch for non-entry rescue <br />o Full body harness with either center "D" ring or rear of shoulder mounted twin "D" rings <br />o Manhole guard capable of protecting entry point from outside personnel or other <br />materials that could fail into space <br />■ Sewers —Only fully trained personnel may enter sewer systems because of their highly <br />unpredictable hazard nature. Active OR decommissioned sewers will always be considered <br />permit required confined spaces. <br />■ Training Requirements — At Johnson — Davis there are two different training levels in reference <br />to confined space work: <br />o New Employee training level —Newly hired employees may NOT perform the duties of <br />an Entrant, Attendant or Entry Supervisor in regard to confined space work until they <br />have been fully trained In the Johnson — Davis full day Confined Space course. <br />o Certified Employee training level —This training level states that the employee has <br />completed and passed the full day Confined Space Entry Program training. Once taken, <br />this class must be refreshed annually by means of a review of the material, any updated <br />regulations and a demonstration rescue from an actual or simulated confined space. <br />16 <br />