Bollard - Revision history

Olav: /* Movable bollard */

2013-08-20T09:10:50Z

Movable bollard

Albert at 15:04, 14 August 2013

2013-08-14T15:04:01Z

Albert at 15:59, 30 January 2013

2013-01-30T15:59:54Z

Albert: Text replace - " ={{PAGENAME}}=" to ""

2013-01-30T14:54:56Z

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Albert at 00:29, 7 December 2012

2012-12-07T00:29:05Z

Albert at 15:42, 14 November 2012

2012-11-14T15:42:29Z

Albert at 10:34, 25 October 2012

2012-10-25T10:34:16Z

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2012-10-25T10:33:04Z

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2012-10-24T07:43:43Z

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Albert at 10:21, 30 August 2012

2012-08-30T10:21:40Z

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 [[File:Retractible Bollard.JPG|thumb|right|Rising bollards can be retracted into the roadway to allow traffic to pass, or deployed to stop it.]]
-Retractable or "rising" bollards can be lowered entirely below the road surface (generally using an electric or hydraulic mechanism) to enable traffic to pass, or raised to block traffic. Rising bollards are used to secure sensitive areas from attack, or to enforce traffic rules that are time related or restrict access to particular classes of traffic. They are increasingly common around the world to hinder vehicle-based [[security issue: Fanatic|terrorist]] actions from achieving close proximity to buildings, and are also used to prevent [[Security issue: Ram raid|ram-raiding]] such as in the [[wikipedia:2007 Glasgow International Airport attack|2007 Glasgow International Airport attack]]. They are also useful in mixed-use public spaces, which support both pedestrian use and emergency and or service vehicle use. These bollards are usually priced between $11,000 to $100,000 depending on its ability to ram vehicles based on speed. The most expensive bollards can stop vehicles at speeds of about 50mph (80 Km/h).
+Retractable or "rising" bollards can be lowered entirely below the road surface (generally using an electric or hydraulic mechanism) to enable traffic to pass, or raised to block traffic. Rising bollards are used to secure sensitive areas from attack, or to enforce traffic rules that are time related or restrict access to particular classes of traffic. They are increasingly common around the world to hinder vehicle-based [[Fanatic|terrorist]] actions from achieving close proximity to buildings, and are also used to prevent [[Security issue: Ram raid|ram-raiding]] such as in the [[wikipedia:2007 Glasgow International Airport attack|2007 Glasgow International Airport attack]]. They are also useful in mixed-use public spaces, which support both pedestrian use and emergency and or service vehicle use. These bollards are usually priced between $11,000 to $100,000 depending on its ability to ram vehicles based on speed. The most expensive bollards can stop vehicles at speeds of about 50mph (80 Km/h).
 Manually retractable bollards (lowered by a key mechanism) are found useful in some cases since they do not require retrofitting into existing landscapes, or any electrical hookups or hydraulic systems.<ref>http://www.geocities.com/urbanparkbollard Urban Park Bollard</ref>

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 [[Category:Measure]]
-A bollard is a short vertical post. Originally it meant a post used on a ship or a quay, principally for mooring. The word now also describes a variety of structures to control or direct road traffic, such as posts arranged in a line to obstruct the passage of motor vehicles.<ref>[[Chris Roberts (author)|Chris Roberts]], ''Heavy Words Lightly Thrown: The Reason Behind Rhyme'', Thorndike Press, 2006 (ISBN 0-7862-8517-6)</ref> In Securipedia, the meaning of the word bollard is limited to bollards meant to direct flows of traffic.<ref>this can be any kind of road traffic, ranging from pedestrians to heavy transport</ref><ref>text on this page is adapted from Wikipedia (Bollard - section bollards for physical security)</ref>
+A bollard is a short vertical post. Originally it meant a post used on a ship or a quay, principally for mooring. The word now also describes a variety of structures to control or direct road traffic, such as posts arranged in a line to obstruct the passage of motor vehicles.<ref>[[wikipedia:Chris Roberts (author)|Chris Roberts]], ''Heavy Words Lightly Thrown: The Reason Behind Rhyme'', Thorndike Press, 2006 (ISBN 0-7862-8517-6)</ref> In Securipedia, the meaning of the word bollard is limited to bollards meant to direct flows of traffic.<ref>this can be any kind of road traffic, ranging from pedestrians to heavy transport</ref><ref>text on this page is adapted from Wikipedia (Bollard - section bollards for physical security)</ref>
 ==Description==

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 A bollard is a short vertical post. Originally it meant a post used on a ship or a quay, principally for mooring. The word now also describes a variety of structures to control or direct road traffic, such as posts arranged in a line to obstruct the passage of motor vehicles.<ref>[[Chris Roberts (author)|Chris Roberts]], ''Heavy Words Lightly Thrown: The Reason Behind Rhyme'', Thorndike Press, 2006 (ISBN 0-7862-8517-6)</ref> In Securipedia, the meaning of the word bollard is limited to bollards meant to direct flows of traffic.<ref>this can be any kind of road traffic, ranging from pedestrians to heavy transport</ref><ref>text on this page is adapted from Wikipedia (Bollard - section bollards for physical security)</ref>

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+A bollard is a short vertical post. Originally it meant a post used on a ship or a quay, principally for mooring. The word now also describes a variety of structures to control or direct road traffic, such as posts arranged in a line to obstruct the passage of motor vehicles.<ref>[[Chris Roberts (author)|Chris Roberts]], ''Heavy Words Lightly Thrown: The Reason Behind Rhyme'', Thorndike Press, 2006 (ISBN 0-7862-8517-6)</ref> In Securipedia, the meaning of the word bollard is limited to bollards meant to direct flows of traffic.<ref>this can be any kind of road traffic, ranging from pedestrians to heavy transport</ref><ref>text on this page is adapted from Wikipedia (Bollard - section bollards for physical security)</ref>
-= {{PAGENAME}} =
-A bollard is a short vertical post. Originally it meant a post used on a ship or a quay, principally for mooring. The word now also describes a variety of structures to control or direct road traffic, such as posts arranged in a line to obstruct the passage of motor vehicles.<ref>[[Chris Roberts (author)|Chris Roberts]], ''Heavy Words Lightly Thrown: The Reason Behind Rhyme'', Thorndike Press, 2006 (ISBN 0-7862-8517-6)</ref> In Securipedia, the meaning of the word bollard is limited to bollards meant to direct flows of traffic.<ref>this can be any kind of road traffic, ranging from pedestrians to heavy transport</ref><ref>text on this page is adapted from wikipedia (Bollard - section bollards for physical security)</ref>
 ==Description==
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 According to the [[wikipedia:National Institute of Building Sciences|National Institute of Building Sciences]], non-crash resistant bollards are "perceived impediments to access" and address the actions of two groups.
-*	Law-abiding persons who comply with civil prescriptions of behavior as defined by the manner in which bollards are put to use;
+*	Law-abiding persons who comply with civil prescriptions of behaviour as defined by the manner in which bollards are put to use;
-*	Potentially threatening and disruptive persons for whom bollard applications are proscriptive by announcing their behavior is anticipated and additional levels of security await them.<ref name=oakes2010>''Charles G. Oakes'', [http://www.wbdg.org/resources/bollard.php  The Bollard, Whole Building Design Guide], July, 23, 2010.</ref>
+*	Potentially threatening and disruptive persons for whom bollard applications are proscriptive by announcing their behaviour is anticipated and additional levels of security await them.<ref name=oakes2010>''Charles G. Oakes'', [http://www.wbdg.org/resources/bollard.php  The Bollard, Whole Building Design Guide], July, 23, 2010.</ref>
 ==Types of bollards==
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 The ''American Heritage Dictionary'' describes this use of bollard as "chiefly British", although the term has crept into the jargon of some American universities where dense traffic necessitates the use of bollards for access control.
-Bollards can be mounted near enough to each other that they block ordinary cars, for instance, but wide enough to permit special-purpose vehicles, and bicycles through. Bollards can be used to enclose [[wikipedia:car-free zone|car-free zone]]s: Removable bollards allow access for service and emergency vehicles. Bollards and other [[wikipedia:street furniture|street furniture]] are used to control overspill parking onto sidewalks and verges.<ref name=DfTpavement>http://www.dft.gov.uk/pgr/roads/tpm/tal/parkingmatters/pavementparking Pavement parking</ref>
+Bollards can be mounted near enough to each other that they block ordinary cars, for instance, but wide enough to permit special-purpose vehicles, and bicycles through. Bollards can be used to enclose [[wikipedia:car-free zone|car-free zone]]s: Removable bollards allow access for service and emergency vehicles. Bollards and other [[wikipedia:street furniture|street furniture]] are used to control overspill parking onto side walks and verges.<ref name=DfTpavement>http://www.dft.gov.uk/pgr/roads/tpm/tal/parkingmatters/pavementparking Pavement parking</ref>
 Tall (1.15 meter/4 foot) slim (10&nbsp;cm/4&nbsp;inch) fluorescent red or orange plastic bollards with reflective tape and removable heavy rubber bases are frequently used in [[traffic management]] where [[wikipedia:traffic cone|traffic cone]]s would be inappropriate due to their width and ease of movement. Also referred to as delineators, the bases are usually made from recycled plastic, and can be easily glued to the road surface to resist movement following minor impacts from passing traffic. Sometimes called "T-top bollards" from the T-bar moulded into the top for tying tape, the bollard is an economical, cost effective, and safe delineation system designed especially for motorways and busy arterial roads.  In conjunction with plastic tape, it is also effective in pedestrian control.
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 [[File:Retractible Bollard.JPG|thumb|right|Rising bollards can be retracted into the roadway to allow traffic to pass, or deployed to stop it.]]
-Retractable or "rising" bollards can be lowered entirely below the road surface (generally using an electric or hydraulic mechanism) to enable traffic to pass, or raised to block traffic. Rising bollards are used to secure sensitive areas from attack, or to enforce traffic rules that are time related or restrict access to particular classes of traffic. They are increasingly common around the world to hinder vehicle-based [[security issue: Fanatic|terrorist]] actions from achieving close proximity to buildings, and are also used to prevent [[Security issue: Ram raid|ram-raiding]] such as in the [[wikipedia:2007 Glasgow International Airport attack|2007 Glasgow International Airport attack]]. They are also useful in mixed-use public spaces, which support both pedestrian use and emergency and or service vehicle use. These bollards are usually priced between $11,000 to $100,000 depending on its ability to ram vehicles based on speed. The most expensive bollards can stop vehicles at speeds of about 50mph.
+Retractable or "rising" bollards can be lowered entirely below the road surface (generally using an electric or hydraulic mechanism) to enable traffic to pass, or raised to block traffic. Rising bollards are used to secure sensitive areas from attack, or to enforce traffic rules that are time related or restrict access to particular classes of traffic. They are increasingly common around the world to hinder vehicle-based [[security issue: Fanatic|terrorist]] actions from achieving close proximity to buildings, and are also used to prevent [[Security issue: Ram raid|ram-raiding]] such as in the [[wikipedia:2007 Glasgow International Airport attack|2007 Glasgow International Airport attack]]. They are also useful in mixed-use public spaces, which support both pedestrian use and emergency and or service vehicle use. These bollards are usually priced between $11,000 to $100,000 depending on its ability to ram vehicles based on speed. The most expensive bollards can stop vehicles at speeds of about 50mph (80 Km/h).
 Manually retractable bollards (lowered by a key mechanism) are found useful in some cases since they do not require retrofitting into existing landscapes, or any electrical hookups or hydraulic systems.<ref>http://www.geocities.com/urbanparkbollard Urban Park Bollard</ref>
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 ==Types of bollards==
 === Road bollard ===
-[[File:City of London Bollard.jpg|thumb|left|A bollard in City of [[London]] colours]]
+[[File:City of London Bollard.jpg|thumb|left|A bollard in City of London colours]]
 Bollards are rigid posts that can be arranged in a line to close a road or path to vehicles above a certain width or to separate traffic from pedestrians.<ref>http://www.cis-bollards.co.uk/pages/background/history.html History of Street Furniture</ref> In the Netherlands, the city of Amsterdam became notorious for its [[wikipedia:Amsterdammertje|Amsterdammertje]].

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