ABOUT BOLLARDS

Bollards are upright posts mounted in or alongside roads to prevent the passage of vehicles. They are normally used for traffic management, and to prevent vehicles from blocking sidewalks. However they may also be used as a serious protection against vehicles attacking buildings.

The most common type of bollard is the fixed bollard, typically a painted steel post, about 30" high, concreted into the ground. Other types of bollard include removable bollards, and hinged bollards. Hinged bollards are normally locked into the upright position with a padlock, but can be lowered as required.

Automatic electric bollards are also available. These, sometimes known as Rising Bollards, can be lowered remotely by designated vehicles which carry an electronic transmitter.

SPONSORED LINKS

LEADING USA BOLLARD MANUFACTURERS

The following leading bollard manufacturers have comprehensive websites, with information on all aspects of bollards, including online catalogs, colors and materials for bollards, and care and maintenance of bollards.

Secure USA: Bollards. Secure USA, based in Cumming, Georgia, is a specialist in Perimeter Defense Solutions. Its product range includes: Bollards, Fencing, Vehicle Barriers, Intrusion Detection, Street Furniture, and Security Controls. Its bollard product range includes: Fixed Bollards, Shallow Mount Bollards, Removable Bollards, Manual Bollards, Electric Bollards, and Bollard Sleeves. The Electric Bollards are raised an lowered by an electro-mechanical activator. They are typically installed at 48" spacing. They are available in 30" and 36" height, and in diameters of 6" and 8".

Cal Pipe Manufacturing: Bollards. Cal Pipe, based in Downey, California, manufactures a range of Pipe Bollards. It also supplies metallic and non-metallic electrical conduit, and custom bent pipes and tubes. Its bollard product range includes: Fixed & Base Plate Security Bollards; Internal & Padlocking Removable Security Bollards, Manually Operated & Auto Pneumatic Retractable Security Bollards, Lighted Security Bollards, and Custom Designed Security Bollards. Custom Designs include bollards which include a security camera capable of sending still photos and full video.

Traffic Guard: Bollards. Traffic Guard, based in Geneva, Illinois, is a leading manufacturer of bollards. Its product range includes Collapsible Bollards, Removable Bollards, Telescopic Bollards, and Custom Bollards. Traffic Guard recommends that bollards should be made as visible as possible, using bollard height, color, reflective labels, and pavement markings. Traffic Guard recommends that bollards be yellow in color, to maximise visibility; other custom colors are available on request. Bollard posts are made from 3/8" steel tube. Hinge pins are stainless steel.

USEFUL LINKS RELEVANT TO BOLLARDS

Wikipedia article on Bollards

CONSTRUCTION PRODUCT DIRECTORIES

The following recommended websites contain information on construction products, including standard specifications, manufacturers' specs, and CAD details: 4specs, Arcat, Arcom, First Source, Sweets.

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Publisher: Abacus Construction Index is a professionally edited directory of recommended construction websites, published by Extonet Ltd which also publishes Lives Retold. It is financed only by Google advertisements; no payment is received from included websites.