Berkeley Engineering And Research, Inc.
Plures Intelligens Modicum Machinatorem
Telephone: 510-549-3300 
Fax: 510-962-8230 

BEAR Project Receives Award

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BEAR wins Best Paper of the Year

BEAR paper on preventing gasoline can explosions wins Best Paper of the Year

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Alcohol Containers Explode Too!

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Plumbing Failures

 
  BEAR Engineers have many years of experience resolving plumbing failures. Common plumbing failures include waterline deterioration, faucet failures, dishwasher malfunctions, refrigerator waterfilter problems, freezing and ruptures, and sprinkler head failure and activation.  
 

http://www.youtube.com/watch?v=thxqNXDmsV8

When a fire sprinkler head fails, large water damages result.

In a recent case, we tested a particular water sprinkler to determine if it functions as designed. The video shows the test setup. The sprinkler was connected to a pressured pipe and an industrial fan applied hot air onto the sprinkler to simulate heat from a fire. A thermal probe was between the fan and the sprinkler to measure temperature. This sprinkler functioned properly.

 
 

The toilet tank depicted to the left at the location had a large manufacturing flaw (crack), as indicated by the red arrow. The flaw was so large that the relatively low pressure due to filling the tank was high enough to cause part of the tank to break away.

The flooding caused by the fracture was extensive.