Chapter
Jul 28, 2022

Large Diameter, High Pressure Blowoff Design

Publication: Pipelines 2022

ABSTRACT

Design and installation of blowoff and drain line assemblies on transmission waterlines is commonplace. However, design of these accessories on large diameter transmission waterlines can be quite complex, especially in high pressure applications. A design and operation balance needs to be found between the need to drain the line in a planned or emergency shutdown versus the potential damage to the assembly and/or the environment. This paper discusses the different design considerations, including, but not limited to, required pipeline drain time, maximum flow rates, client preferences, environmental protection, operatory safety, durability, and ease of operation.

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REFERENCES

AWWA (American Water Work Association). (2016). Air-Valves: Air-Release, Air/Vacuum and Combination, Manual of Water Supply Practices M51. Second Edition. AWWA, Denver, CO.

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Go to Pipelines 2022
Pipelines 2022
Pages: 242 - 250

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Published online: Jul 28, 2022

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Mike Lehrburger [email protected]
P.E.
1Burns & McDonnell Engineering Company, Inc., Centennial, CO. Email: [email protected]
Kyle LeBrasse [email protected]
P.E.
2Burns & McDonnell Engineering Company, Inc., Centennial, CO. Email: [email protected]

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