![]() ![]() ![]() The toilet in the adjacent building was flushed and it flowed down the drain until it came to the melted line. When the plumber came into fix the drain problem he used a snake down below the toilet and ran into a check valve that was installed to prevent the backflow from the adjacent building from going up into the toilet. The blowdown line would heat up and melt the PVC drain line. The contractors who installed the PVC line did not know that the drain they installed was about 6” away from the blowdown line from the boiler. When an adjacent building was built the plumbing was tied into this facility and a new PVC drain line was installed. A plumbing company came in to fix the problem. The plant had experienced a problem during the outage with a bathroom toilet. When the boiler was full it was noted that there was a leak in one of the feedwater heaters, so the boiler was put on hold until the leak could be fixed. The unit was being filled after the outage and the manual gas valves had been turned on. The furnace was started on natural gas and once it had reached a certain point it would switch over to coal. The plant had just finished an outage and was in the process of placing the boiler back online. This was a utility coal fired boiler at 11:30 am but at 12:15 pm it was basically scrap metal. Category: Industrial Fires & Explosions Alerts ![]()
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