Text For Citation: 02 Item/Group: 003 Hazard:

29 CFR 1910.269(d)(6)(iii): All energy isolating devices that were needed to control the energy to the machine or equipment were not physically located and operated in such a manner as to isolate the machine or equipment from energy sources: On or about February 25, 2016, employees working in the Unit 1 Fly Ash were not protected from the hazard of hot ash entering the silo when the employer did not have an energy isolating device for value 1-HF-FV461 (Tag#13 on the LOTO) which was the discharge from the common fluidizing air blower to the Unit 1 silo. On or about March 8 or 9, Hayes Mechanical employees were exposed to a limestone slurry from an 11, 000 gallon per minute pump while conducting work on a 90 degree elbow due to an open manual isolation gates around the U1 recirc AOV. Between February 25, 2016, and March 11, 2016, employees working in the Unit 1 Fly Ash Silo were not protected from the hazard of hot ash entering the silo when the employer did not have an energy isolating device for fluidizing air valve 1-HF-FV1461. The Prairie State Generating Company, LLC, was previously cited for a violation of this occupational safety and health standard or its equivalent standard 29 CFR 1910.269(d)(6)(iii), which was contained in OSHA inspection number 968876, citation number 02, item number 05 and was affirmed as a final order on 11-10-14, with respect to a workplace located at Prairie State Generating Company, LLC.