Common use of Perimeter Sediment Controls Clause in Contracts

Perimeter Sediment Controls. Perimeter protection to filter sediment from sheet flow shall be provided downstream of all disturbed areas. Perimeter protection may include preserving vegetated strips as well as more conventional constructed measures such as sediment fences, straw xxxxx, and bio-filter bags (refer to the ODOT Hydraulics Manual BMPs and implementation measures from Section 280 of the Oregon Standard Specifications for Construction). Such protection shall be installed prior to upslope grading.