The distance from the water to the top edge of the hull at any point along the hull
1) The vertical distance from the normal water surface to the top of the confining wall 2) The vertical distance from the sand surface to the underside of a trough in a sand filter This distance is also called AVAILABLE EXPANSION
The vertical distance measured on a boat's side form the waterline to the gunwale
The distance between the highest allowable level of waste water in a lagoon and the lagoon's top edge (see lagoon)
The vertical distance from the gunwale of a boat to the waterline measured amidships
The distance between the water level and the top of the tank or pond (or the overflow level)
The vertical distance between a bed of filter media or ion exchange material and the overflow or collector for backwash water; the height above the bed of granular media available for bed expansion during backwashing; may be expressed either as a linear distance or a percentage of bed depth
(1) Vertical distance from the normal water surface to the top of the confining wall (2) the vertical distance from the sand surface to the underside of a trough in a sand filter
The additional height of a structure above design high water level to prevent overflow Also, at a given time, the vertical distance between the water level and the top of the structure
Related Topics: [pond] [structures] For a waterway, freeboard is the additional depth added to the design depth to provide an overflow factor of safety and for siltation during the useful life of the channel Typically, a 10 percent freeboard (rounded to the nearest 1 ft with a minimum of 2 ft) is adequate For a dam, freeboard refers to the height from the crest (bottom elevation plus the depth of flow) of the flood spillway to top of dam This extra height provides for protection against wave action and frost Frost looses the soil at the top of the dam, making it ineffective for holding water Typical freeboards for agricultural ponds are 5 - 1 5 ft
1) Vertical distance from the normal water surface to the top of the confining wall 2) The vertical distance from the sand surface to the underside of a trough in a sand filter