Pump station in Colorado (south end of Horsetooth reservoir) had 2-14 inch pipes running raw sewage up a 175 foot ridge. A flange gasket on one of the pumps was leaking about a gallon a minute. An alarm went off, and the first person on the scene was a supervisor type. With no consultation at all he decided the pumps needed to be shut down. Instead of valving the flow, and reducing the motor speed with the controller, he pulled the lever on the supply circuits. The sewage continued up the hill for about 100 feet. then came back down against the foot valves at the pump output fittings (where the leak was) both lines flange joints failed as the "hammer" came down. and pushed the flanges about 6 inches apart. The building was filled in about 30 seconds. He survived, but was blown out the closed door. pretty nasty over pressure. Jim
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Today's Featured Article - Tractor Profile: Oliver 70 Row Crop - by Staff. The Oliver 70 was part of the "Fleetline Series" and was manufacturered from 1937 to 1948. The row-crop configuration could have either dual or single front wheels. The Oliver 70 was also offered in the standard, orchard and industrial configurations. The tractors were sold in Canada. An early advertisement states "Power when you want it - power when you need it - power to help put in crops when field conditions are right and time and help are limited. That's the power you'll find in an Oliv
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