freeboard


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freeboard

the space or distance between the deck of a vessel and the waterline

freeboard

[¦frē‚bȯrd]
(analytical chemistry)
The space provided above the resin bed in an ion-exchange column to allow for expansion of the bed during backwashing.
(chemical engineering)
In a fluidized-bed reactor, the space between the top of the reaction bed and the top of the reactor.
(civil engineering)
The height between normal water level and the crest of a dam or the top of a flume.
(engineering)
The vertical distance in a water tank between the maximum water level and the top of the tank.
(naval architecture)
The vertical distance from the intersection of the top of the freeboard deck amidships with the outer surface of the side plating to the upper edge of the summer load line, or in general terms, the distance from the waterline to the deck.

freeboard

In a water tank, the vertical distance between the maximum water level and the top of the tank.
References in periodicals archive ?
Another resource personTaise Takamoto, a respected senior surveyor of Class NK, enlightened the participants on on International Loadline Convention, Loadline surveys, Loadline computation, and on the workshop on Freeboard computation, added Director Hernandez.
Talking about risk of failure for the existing barrage, the secretary said that the flood of 2010 passed with freeboard margin of just about two feet when the gates were opened completely.
After removing the existing coating, general contractor and coatings applicator General Dynamics NASSCO-Earl Industries applied a two-coat epoxy-polysiloxane paint system consisting of Amercoat 235 primer and PSX 700SG coating to the freeboard and island surfaces of the vessel.
In addition, IceBridge's instruments collected data on sea ice freeboard -- the height of ice above the ocean surface -- which can be used to calculate sea ice thickness and volume.
Contrasts in the observed signal/background photon statistics are used to distinguish ice from open water, a crucial step in the retrieval of sea ice freeboard (the height of the floating ice surface above the local sea surface).
The completed works - costing over PS750,000 and providing long-term safety from potential serious flooding to the community and residents of Meltham Mills - will include lowering the top water level and increasing the freeboard by increasing the southern weir from eight metres long to 24 metres long; providing a 30 metres by 11 metres approach channel to accommodate the new weir with a 750mm deep silt collection trap at the point of entry of Greave Dyke to aid water flow and a 52 metres long tapered slipway with a secondary weir lined with stone gabions down its length to control the discharge water flow.
The topics include the effect of decreasing free surface on stability, moments of statical stability, timber ship freeboard marks, effects of change of density on a ship's draft and trim, and draft surveys.
There was a disagreement on the Baglihar Dam about engineering details such as pondage, freeboard height, spillway gates, water intake level for dead storage and probable maximum flood level.
The tugboats have a bollard pull of 16 tons and their small size means they are able to handle smaller vessels, such as low freeboard ships and barges, efficiently and safely.
Pakistans question with regard to freeboard /parapet wall was addressed by ICIW during the meting by making openings (4*4) in the solid parapet wall at the dame crest level he added saying, With regard to the other questions Pakistan may take up the issue at the level of Neutral Expert/Court of Arbitration.
seven ways unseaworthy-- Too much mast and sail, too little freeboard,