OHW definition
Examples of OHW in a sentence
The Owner shall provide a minimum 25-foot vegetative buffer strip immediately adjacent and contiguous to the delineated wetland boundary or the Ordinary High Water level (OHW), whichever is greater in elevation.
The following definitions apply for the purposes of this memo (note: defined words or phrases are in italics throughout): • "active channel width" means the stream width between the ordinary high water (OHW) linesi, or at the channel bankfull elevationii if the ordinary high water lines are indeterminate (OAR ▇▇▇-▇▇▇-▇▇▇▇(2)).
Drift logs with a stem diameter greater than 6 inches shall be relocated away from the tidegate, floodgate or trash rack but maintained below OHW line.
Under no circumstances shall excavated materials be stockpiled below OHW line.
The Section 10 jurisdictional line is mean high water (MHW) for tidal waterbodies and ordinary high water (OHW) for non-tidal waterbodies.
Whenever water is present in the upstream watercourse, a temporary cofferdam shall be installed upstream of the damaged tidegate/floodgate prior to initiating any excavation activity below OHW line in order to isolate the project site from the upstream watercourse.
The equipment is staged from the dike (or bridge) and does not enter below the OHW or MHW elevation.
Under no circumstances shall substrate materials below OHW line be recruited from the watercourses for project construction.
The existing tube(s) requiring replacement is then excavated with equipment staged on the dike or shoreline, above the OHW or MHW elevation.
All treated piling or lumber used to repair or replace a trash rack shall be professionally treated and completely cured prior to installation below OHW line to minimize leaching into the water or substrate.