Overland flow definition

Overland flow means and includes flow over planar surfaces, including but not limited to roofs, streets, lawns, parking lots and fields.

Overland flow means the controlled discharge, by spraying or other means, of pollutants onto sloping land with maintained vegetation where a proportion of the wastewater may appear as runoff. Overland flow is also the movement of pollutants across the surface of the land where infiltration may occur (N.J.A.C. 7:14A-1.2).

Overland flow means surface runoff flowing over the land surface towards the MS4 or a conveyance.

Examples of Overland flow in a sentence

• Overland flow routes need to be designed to convey the flood water in a safe manner in the event of a blockage or exceedance of the proposed drainage system capacity including inlet structures.

• It must include: • All pipe layouts, dimensions, grades, lengths and material specification• Location of On-Site Detention unit• All invert levels reduced to Australian Height Datum (AHD)• Location and dimensions of all drainage pits• Point and method of connection to Councils drainage infrastructure• Overland flow paths over impervious areas.

• Overland flow - show flow arrows to permit ready identification of overland flow direction, show existing and proposed elevations along property lines, and key points on site and abutting properties.

• It must include: All pipe layouts, dimensions, grades, lengths and material specification Location of On-Site Detention unitAll invert levels reduced to Australian Height Datum (AHD) Location and dimensions of all drainage pitsPoint and method of connection to Councils drainage infrastructure Overland flow paths over impervious areas.

• Overland flow paths designed to handle flows in excess of the minor drainage system capacity shall be provided drainage easements.

• Overland flow usually becomes shallow concentrated flow after 300 feet.

• Overland flow paths designed for flows in excess of the minor drainage system capacity shall be provided in drainage easements.

• Overland flow, as described in Section 605.a. of the Airside BMP Manual.

• It must include: • All pipe layouts, dimensions, grades, lengths and material specification• Location of On-Site Detention unit• All invert levels reduced to Australian Height Datum (AHD)• Location and dimensions of all drainage pits• Point and method of connection to Councils drainage infrastructure• Overland flow paths over impervious areas.• Copies of certificates of title, showing the creation of private easements to drain water by gravity, if required.

• Overland flow routes should not put people and property at unacceptable risk.

More Definitions of Overland flow

Overland flow means flow over developed or undeveloped surfaces, including but not limited to roofs, streets, lawns, parking lots and unimproved lands.

Overland flow means the water travelling outside the pre-defined surface pathways (e.g. roads, open drainage channels), which can only be described by 2D OFMs.