SEWAGE DEPARTMENT TRAINING PROGRAM
How to Build an At-Grade Sewage Disposal System
The berm soil should extend out a minimum of 3 feet from the top of the aggregate then be graded to a 3 to 1 slope. The berm should be a minimum of 12 inches deep over the aggregate. Back Next
The berm soil should extend out a minimum of 3 feet from the top of the aggregate then be graded to a 3 to 1 slope. The berm should be a minimum of 12 inches deep over the aggregate.
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