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• <br />• <br />Chapter 4-Site-Specific Industrial Storm Water BMps <br />. sections replaced promptly. The barrier should be inspected after each rainfall and checked for <br />areas breached by concentrated flow. If necessary, repairs should be made promptly and excess <br />sediment removed and disposed of properly. <br />Advantages of a Brush Barrier <br />• Can help prevent downstream damage from sediment deposits <br />e Is constructed of cleared onsite materials and, thus, is inexpensive <br />• Usually requires little maintenance, unless there are very heavy sediment deposits <br />Disadvantages of a Brush Barrier <br />• Does not replace a sediment trap or basin <br />• Is appropriate for only small drainage areas <br />Has very limited sediment retention <br />• <br />4-81