Penstock inspection and safety assessment program: Big Thompson Powerplant Colorado-Big Thompson Project, Colorado. Review report, Great Plains region
Technical Report
·
OSTI ID:518743
On February 26-28, 1997, and June 16-17, 1997, the Big Thompson penstock was inspected. During the exam the following tasks were performed: (1) The condition of the exposed exterior coating and the interior lining of the penstock was inspected; (2) The wall thickness of the steel penstock was determined by ultrasonic testing; (3) Appurtenances where the penstock and piping connected to the penstock change in diameter or where the water flow changes in direction were inspected; (4) Joints, piping connections, and various associated operating equipment (gates, valves, etc.) were inspected; (5) Load rejection tests, unwatered governor testing, and emergency gate closure tests were performed.
- Research Organization:
- Bureau of Reclamation, Denver, CO (United States). Technical Service Center
- OSTI ID:
- 518743
- Report Number(s):
- PB--97-185920/XAB
- Country of Publication:
- United States
- Language:
- English
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