Pipeline Failure Investigation Report - PHMSA - U.S. Department of ...
Pipeline Failure Investigation Report - PHMSA - U.S. Department of ...
Pipeline Failure Investigation Report - PHMSA - U.S. Department of ...
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<strong>Pipeline</strong> <strong>Failure</strong> <strong>Investigation</strong> <strong>Report</strong><br />
Event Log<br />
Sequence <strong>of</strong> events prior, during, and after the incident by time. (Consider the events <strong>of</strong> all parties involved in the incident, Fire <strong>Department</strong> and<br />
Police reports, Operator Logs and other government agencies.)<br />
Time<br />
8:51 a.m. 8/25/08 Gas Control detects a pressure drop on the Houstonia 200 line and asks field techs to check for a leak.<br />
9:00 a.m. Filed techs hear blowing gas near mile post 21.6<br />
9:10 a.m. Field techs locate the failure<br />
9:23 a.m. 3 Gate at MP 28.43 is closed manually<br />
9:38 a.m. 2 Gate at MP 12.97 is closed manually<br />
Event<br />
9:00 -11:00 a.m. Panhandle, Fire and police check the area to see if evacuations are necessary<br />
1:00 p.m. <strong>PHMSA</strong> investigator arrives on site.<br />
1:00 - 8:00 p.m. <strong>Investigation</strong> by <strong>PHMSA</strong> and Panhandle<br />
12:00 p.m. 8/26 Panhandle investigation team from Houston arrives<br />
12:00 - 7:00 p.m. <strong>Investigation</strong> <strong>of</strong> the failure site by <strong>PHMSA</strong> and Panhandle.<br />
- 18 -<br />
Form 11 <strong>Pipeline</strong> <strong>Failure</strong> <strong>Investigation</strong> <strong>Report</strong> (Revised 03/07/08)
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