Pipeline transport in order to avoid melting the frozen ground by hot petroleum which would result in sinking the pipeline in the ground. Maintenance of pipelines includes checking cathodic protection levels for the proper range, surveillance for construction, erosion, or leaks by foot, land vehicle, boat, or air, and running cleaning pigs, when there is anything carried in the pipeline that is corrosive. US pipeline maintenance rules are covered in Code of Federal Regulations(CFR) sections, 49 CFR 192 for natural gas pipelines, and 49 CFR 195 for petroleum liquid pipelines. In the US, onshore and offshore pipelines used to transport oil and
Construction of the Trans-Alaska Pipeline System and the construction of the Bay Area Rapid Transit system prior to being named senior project manager. Moolin became known for his work ethic and his hard-driving style. It was said that he was the first person in the office and the last to leave at the end of the day. The "Engineering News-Record" reported "He demands total dedication, saying, 'Your wife had a baby; so what?'" when it named him the construction industry's Man of the Year in 1976. To spur progress on the pipeline, he started the "Alyeska Sweepstakes," in which each of the five contractors working on