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Rovanco was awarded a contract by Getty Western Crude in 1980 to insulate 120 miles of 20" and 16" steel pipe with two inches of urethane foam in a polyethylene jacket. The pipe was used on a crude oil line running from Bakersfield to Coalinga, California. Rovanco moved a full manufacturing facility, including a polyethylene jacket extrusion plant, to the site in Bakersfield, California. The mobilization took 45 days! Rovanco received, inspected and sorted all of Getty Oil's pipe, insulated it and completed the project two months ahead of schedule. This project had a value of 13 million dollars. This is still the largest foam insulated piping system in the United States.
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The atmosphere on the 28th was significantly more unstable as the approach of a low-pressure system from the northwest cooled the mid levels (and also caused dynamic lifting) as instability continued to build in the capped, muggy environment, although the wind fields (strong, but out of the west-northwest and unidirectional) were not suitable for significant tornadic development. As a result of the very high low-level temperature and dew point, convective available potential energy (CAPE) values were in excess of 8,000 J/kg; generally, values of 1,500 J/kg are considered to be moderately unstable, whereas values of more than 4,000 J/kg are considered "extreme". The lifted index (LI), the dominant estimate of instability used at the time, was also extreme. Generally, an LI value of −6 °C or below readily supports severe thunderstorm development, but during the day the LI value ranged from −12 °C to −14 °C. Such extreme instability can lead to explosive thunderstorm development, very strong updrafts , and modulates the updraft to better enable tornadogenesis .


Joliet hook up

Joliet hook up



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