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Topic: Freeboard

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	Drum Definitions
		Freeboard is the amount of space from the top layer of the wire rope to the outside of the drum flange ("D" in fig.
		A given amount of freeboard is maintained to prevent the wire rope from inadvertently coming off the drum during use.
		The amount of freeboard is dependent upon the prevailing agency or regulatory body.
	www.airwinch.com /tools/drum_capacity.htm (563 words)

	Electronic Code of Federal Regulations:
		Freeboard ratio means the ratio of the solvent cleaning machine freeboard height to the smaller interior dimension (length, width, or diameter) of the solvent cleaning machine.
		Freeboard refrigeration device (also called a chiller) means a set of secondary coils mounted in the freeboard area that carries a refrigerant or other chilled substance to provide a chilled air blanket above the solvent vapor.
		Freeboard ratio of 1.0, superheated vapor, carbon adsorber.
	ecfr.gpoaccess.gov /cgi/t/text/text-idx?c=ecfr&sid=ff2846d70a9b1e68603ced4a15531ea0&rgn=div6&view=text&node=40:9.0.1.1.1.20&idno=40 (15053 words)

	Myth #2 - THE LOWER THE FREEBOARD THE FASTER THE SAILBOAT
		In my opinion, the freeboard was determined by the layout of the interior of the vessels with the notion that head room would contribute to ventilation.
		It is not possible to have enough freeboard in a cruising sail boat to generate the head room needed for ventilation in the humid tropics, unless perhaps if the deck is made of porous wood.
		The distance from the water to the rail is defined as freeboard.
	www.eskimo.com /~mighetto/p02.htm (2110 words)

	FEMA: FEMA 94 (Site not responding. Last check: 2007-11-05)
		Freeboard allowance for settlement should be applied to account for consolidation of foundation and embankment materials when uncertainties exist in computational methods or data used yield unreliable values for camber design.
		Freeboard allowance for embankment dams for estimated earthquake-generated movement, resulting seiches, and permanent embankment displacements or deformations should be considered if a dam is located in an area with potential for intense seismic activity.
		Freeboard allowance for wave and volume displacement due to potential landslides, which cannot be economically removed or stabilized, should be considered if a reservoir is located in a topographic setting where the wave or higher water resulting from displacement may be destruc-tive to the dam or may cause serious downstream damage.
	www.fema.gov /fima/damsafe/idf_ivc.shtm (983 words)

	Historical background to adoption of Load Lines convention
		Lloyd's Register recommended freeboards as a function of the depth of the hold (three inches per foot of depth) and these recommendations, used extensively until 1880, became known as "Lloyd's Rule".
		By that time, there was a proliferation of different freeboard rules in use by various marine administrations and classification societies, which meant there was a lack of global standardization.
		Freeboard was measured from the top of the deck amidships to the top of the line through the centre of the load line disc.
	www.imo.org /Conventions/mainframe.asp?topic_id=1034 (2239 words)

	Freebord Rules - Contests - CCS
		Freeboard is not responsible for the collection, submission or processing of entries or the overall administration of any of the Sweepstakes.
		CCS and Freeboard are not responsible, and may disqualify an entrant if the entrant's email does not work or if entrant's email or street address, as applicable, is changed.
		One (1) Grand Prize: Freeboard skateboard and a day of riding with a Freeboard Team Pro- One (1) winner will receive a Freeboard of their own, make and model to be selected by CCS (approximate retail value $179.00) and a day of riding lessons from Freeboard Team Pro (ARV $200.00).
	www.ccs.com /contests/freebord_school/rules.html (974 words)

	High freeboard barrier construction for water carried pollutants - Patent 4062191
		The fabric freeboard extender 54 is constructed with a plurality of spaced pouches 56 equal in number to the desired number of battens 50.
		For lesser height of freeboard extension, the battens may be spaced a greater distance or, if the freeboard is extended, for example, 48 inches, the battens would be spaced closer together.
		The freeboard fabric extender 54' is secured to the boom via battens or stays 50' having cable clamps or connectors 51' connected to the lower ends thereof.
	www.freepatentsonline.com /4062191.html (1986 words)

	Nat' Academies Press, Risk Analysis and Uncertainty in Flood Damage Reduction Studies (2000)
		With the Corps's adoption of risk analysis techniques in the early 1990s, the freeboard standard for levee certification was abandoned in favor of the new risk analysis standard.
		In some areas, for instance, as little as 2 feet of freeboard may be required to provide adequate flood protection, while in other areas, as much as 6 feet may be required.
		Negotiations between the Corps and FEMA led to the current practice of certifying a levee based on a three-tiered decision rule, using: (1) 3 feet of freeboard, (2) a conditional nonexceedance probability of 90 percent of passing a 1% flood, or (3) a conditional nonexceedance probability of 95 percent of passing a 1% flood.
	www.nap.edu /books/0309071364/html/1.html (4021 words)

	Freeboard (Site not responding. Last check: 2007-11-05)
		Freeboard is the distance between the waterline and the freeboard deck at mid length.
		The freeboard allowed will be smaller for the type A ship compared to the type B ship of similar length because of the type of cargo carried and means of access for water.
		Type B ships classed as B-60 may have their freeboard reduced by 60% of that required for a normal B-100 ship provided that its method of construction approaches that of the type A ship.
	www.marineengineering.org.uk /navarch/navfreemain.htm (163 words)

	DRDB: YSAQMD 2-24 SOLVENT CLEANING OPERATIONS (DEGREASING)
		For cold cleaning tanks, freeboard height means the distance from the top of the solvent or solvent drain to the top of the tank.
		"Freeboard Ratio" is defined as the freeboard height divided by the width of the degreaser.
		A freeboard chiller where the chilled air blanket temperature measured in degrees F at the coldest point on the vertical axis in the center of the solvent cleaner shall be no greater than 30% of the initial boiling point of the solvent or 41
	www.arb.ca.gov /DRDB/YS/CURHTML/R2-24.HTM (1594 words)

	freeboard, how much is enough? - Boat Design Forums
		Adequate freeboard depends largely on the expected use of the boat and its overall shape.
		The boat analized (continuos curve) is 10 metres long, Boa 3 m, freeboard 1 m, while the other curves were made increasing and decreasing the freeboard of 0.3 m.
		Freeboard to an extent will be driven by accomodation requirements, and the proportions will be driven by length, and perhaps if standing headroom is required, or whether sitting headroom is required under the deckhead.
	www.boatdesign.net /forum/showthread.php?p=6420 (1617 words)

	AGEN 526 - glossary
		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.
	pasture.ecn.purdue.edu /~engelb/agen526/glossary.html?structures (601 words)

	Numerical Study for Small Negative Freeboard Wave Overtopping and Overflow of Sloping Sea Wall (Site not responding. Last check: 2007-11-05)
		In this paper, an extended version of the model of Lin and Liu is applied to study the cases of small negative freeboard wave overtopping and overflow of seawalls.
		The model computes a finite difference solution to the incompressible Reynolds equations for the mean flow field and the k - equations for the turbulent field are obtained on a non-uniform mesh.
		The model reproduces the results of the well-known weir equation very well and is then used to investigate combined discharge due to overflow and wave overtopping of impermeable seawalls for increasing wave activity for a range of negative level freeboard values.
	www.pubs.asce.org /WWWdisplay.cgi?0411651 (209 words)

	Atkin & Co. - Heart's Desire II
		Within reasonable limits generous freeboard is a most desirable feature; but it is a feature which is often overdone.
		I have often heard it said that the more freeboard a small boat has the more seaworthy she will be.
		The freeboard to the edge of the deck at the bow is 3 feet 4 inches, the least freeboard is 2 feet l 1/4 inches, and the freeboard at the stern is 2 feet 6 inches.
	www.boat-links.com /Atkinco/Sail/HeartsDesireII.html (719 words)

	IngentaConnect Airborne freeboard measurements of sea ice and lake ice at the Se... (Site not responding. Last check: 2007-11-05)
		Airborne freeboard measurements of sea ice and lake ice at the Sea of Okhotsk coast in 1993-95 by a laser altimeter
		Distributions of freeboards, mean elevations and ice concentrations were investigated from the data observed in 1993-95.
		The mean ice freeboard, however, correlated very well with the ice concentration, which is very important for estimating total ice amounts in regions of drifting ice.
	www.ingentaconnect.com /content/tandf/tres/1999/00000020/00000012/art00010 (229 words)

	Search Results for freeboard - Encyclopædia Britannica
		distance from the waterline to the freeboard deck of a fully loaded ship; it is measured amidships at the side of the hull.
		The freeboard deck is the deck below which all bulkheads are made...
		Line fishing at sea is very popular, not only in traditional fisheries with small boats employing a limited number of hooks but also in industrial operations with large vessels or fleets using...
	www.britannica.com /search?query=freeboard&submit=Find&source=MWTEXT (340 words)

	Freeboard Consulting Group
		The Freeboard Consulting Groups enables entrepreneurs and executives to accomplish their mission critical projects by immediately expanding their management bandwidth.
		Freeboard is a nautical term that refers to the distance from the waterline to the deck in a fully loaded ship.
		A boat with plenty of freeboard can weather sudden storms, high winds and rough seas, while vessels lacking sufficient freeboard are likely to swamp when the going gets tough.
	www.freeboardgroup.com (221 words)

	EQUIPPED TO SURVIVE (tm) - Aviation Life Raft Reviews - Configuration Issues - Freeboard Chart (Site not responding. Last check: 2007-11-05)
		There is generally a significant difference in freeboard between most double tube rafts and those with only a single tube.
		While it makes little difference in calm waters, in any sort of sea condition other than calm, the more freeboard you have, the better off you are.
		Besides the very important questions of adequate freeboard and greater protection from the sea, most double tubes also offer a much more comfortable backrest for passengers in the raft, whereas the single tube rafts were deemed to be very uncomfortable.
	www.bonus.com /contour/Survival_training/http@@/www.equipped.org/avraft7.htm (1300 words)

	[No title]
		(4) "freeboard" means the distance from the mark of the load line assigned under this chapter to the freeboard deck.
		The definition of "freeboard deck" provides the Secretary with the authority to designate as the freeboard deck either the actual deck (on standard vessels) or another structure (on non-standard vessels).
		It also authorizes the Secretary to assign a load line that results in a freeboard that is greater than the minimum freeboard, if the owner requests.
	uscode.house.gov /download/pls/46C51.txt (5071 words)

	HAZARDOUS AIR POLLUTANT MONOGRAPHS
		Vapor is generally contained using condensing coils in the freeboard zone of the cleaner in addition to a lid.
		Reduced room draft, freeboard ratio of 1.0,superheated vapor.
		Freeboard refrigeration device, reduced room draft, superheated vapor.
	www.dep.state.pa.us /dep/subject/advcoun/smallbiz/MonographT1.html (2112 words)

	Floodplain: Elevation Requirements: Minnesota DNR
		Levees intended to remove the areas behind them from floodplain designation (i.e., be "certified") are required to have 3 feet (at a minimum) of freeboard above the 100-year flood level.
		The Federal Emergency Management Agency (FEMA) requires the lowest floor of a structure to be at the 100-year flood elevation or higher, but does not require freeboard.
		The model floodplain management ordinances prepared by DNR Waters for local units of government have recommended that 1 foot of freeboard be included for over 20 years.
	www.dnr.state.mn.us /waters/watermgmt_section/floodplain/rfpe.html (416 words)

	Freeboard
		Freeboard provides a margin of safety against overtopping failure of dams.
		Freeboard is typically sized to hold the water draining into the storage from
		...(6) "Freeboard ratio" means the freeboard height divided by the width of the...
	www.mongabay.com /reference/environment/Freeboard.html (292 words)

	Freeboard requirements - Boat Design Forums
		In Canada, there are a number of equations used to calculate hull load based on hull shape and volume; we base our load for small craft on one-fifth of the static float plane volume.
		The minimum freeboard is not expressly stated; ISO requirements are best to go with if you think they are applicable.
		As far as I know, the load lines on commercial vessels bear no relationship to the freeboard on small craft- indeed, if you tried to use the same equations, your small boat would be swamped within minutes of leaving the harbour.
	www.boatdesign.net /forum/showthread.php?p=47726 (180 words)

	Lake Roosevelt NRA: Administrative History (Chapter 4) (Site not responding. Last check: 2007-11-05)
		The tribe met privately with Reclamation to discuss management of the freeboard area and was encouraged when the agency asked them to submit a management plan.
		In addition to jurisdictional control of the freeboard area, the tribe asked for exclusive rights to protect and control archaeological remains; transfer of Fort Spokane, along with the freeboard area on the opposite side of the Spokane Arm, to tribal control; and revenue from both water storage and power production.
		Their goals included employment for tribal members at Grand Coulee Dam; preferential power rates for planned development on the reservation; irrigation projects for the reservation; tribal use of freeboard areas; and return of slide areas where there was no danger of slides.
	www.nps.gov /laro/adhi/adhi4f.htm (1382 words)

	DRDB: SACAQMD 454 DEGREASING OPERATIONS
		(204.1) For non-vapor degreasers, freeboard height means the distance from the top of the solvent to the top of the tank.
		(204.2) For vapor degreasers, freeboard height means the distance from the solvent vapor-air interface to the top of the degreaser.
		205 - FREEBOARD RATIO: The freeboard height divided by the smaller of the inside length or the inside width of the degreaser's evaporative surface area.
	www.arb.ca.gov /drdb/sac/suphtml/r454.htm (2235 words)

	Continental volume and freeboard through geological time
		that constancy of freeboard implies net growth of the continental crust, because the ocean basins deepen as the heat flow from the mantle decreases with time (crustal thickness d
		We further explore here the consequences of approximate constant freeboard for continental growth using a model that relates the volumes of isostatically compensated continents and oceans to the secular decline in terrestrial heat flow.
		We find that a post-Archaean increase in freeboard by 200 m requires continental growth of only 10%, while a decrease in freeboard by 200 m during this same period necessitates a crustal growth of 40%.
	www.nature.com /cgi-taf/DynaPage.taf?file=/nature/journal/v316/n6026/abs/316336a0.html (256 words)

	Freeboard uses moulded-in fastener: News from Bighead Bonding Fasteners
		The steering on the revolutionary new Loko freeboard - a cross between a skateboard and a snowboard - is controlled by a specially designed Bighead bonding fastener.
		Freeboard inventor Ric Russell - who is aiming for a world speed record with his freeboard design - tried several times to find the right fastening to provide accurate steering.
		'It was the right product at the right time and it solved our problem perfectly.' The freeboard has barrel-shaped inflatable wheels and can cope with all terrain types including forest tracks, compacted sand, grassy slopes and tarmac.
	www.manufacturingtalk.com /news/big/big100.html (338 words)

	Approximate Freeboard difference: 18, 22 and 25 Outrage - ContinuousWave
		Freeboard (which I have understood to be the vertical dimension from the surface of the water to the gunwale deck) is 24-25 inches pretty much from the transom to the center console; increases from there.
		Sole to gunwale deck (I don't know what the correct term is for this dimension; if it is "freeboard", then the dimension above must correctly be called something else.) is about 19" at the splashwell and about 20" at the console.
		And yeah, freeboard is the distance between the waterline when the boat is afloat and the gunwales...thus freeboard often changes as one goes forward or aft, but bulwarks height generally remains the same, following/paralleling the curve of the deck...I think.
	continuouswave.com /ubb/Forum1/HTML/008228.html (534 words)

	Safer Development in Floodprone Areas (FEMA) (Site not responding. Last check: 2007-11-05)
		States all new construction and substantial improvements in Zones A1-30, AE, and AH have the lowest floor elevated to or above the BFE; City requires 1’ above BFE.
		Enforce elevation requirements for structures outside the mapped SFHA where grade is below BFE, hereby requiring floodprone structures outside SFHA to be elevated.
		No NFIP freeboard requirement; determination as to whether a structure is in or out of the SFHA is based on planimetrics
	www.ci.greensboro.nc.us /stormwater/SWAB/110603/SafeDevelopment.htm (535 words)

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