Steeplejack
Encyclopedia
A steeplejack is a craftsman who scales buildings, chimneys and church steeple
Steeple (architecture)
A steeple, in architecture, is a tall tower on a building, often topped by a spire. Steeples are very common on Christian churches and cathedrals and the use of the term generally connotes a religious structure...

s to carry out repairs or maintenance.

Britain's most famous steeplejack was Fred Dibnah
Fred Dibnah
Frederick "Fred" Dibnah MBE , born in Bolton, was an English steeplejack and eccentric with a keen interest in mechanical engineering who became a cult television personality....

, who became a television presenter and minor celebrity as a result of his craft.

Steeplejacks erect ladders on church spire
Spire
A spire is a tapering conical or pyramidal structure on the top of a building, particularly a church tower. Etymologically, the word is derived from the Old English word spir, meaning a sprout, shoot, or stalk of grass....

s, industrial chimney
Chimney
A chimney is a structure for venting hot flue gases or smoke from a boiler, stove, furnace or fireplace to the outside atmosphere. Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the...

s, cooling tower
Cooling tower
Cooling towers are heat removal devices used to transfer process waste heat to the atmosphere. Cooling towers may either use the evaporation of water to remove process heat and cool the working fluid to near the wet-bulb air temperature or in the case of closed circuit dry cooling towers rely...

s, bell towers, clock tower
Clock tower
A clock tower is a tower specifically built with one or more clock faces. Clock towers can be either freestanding or part of a church or municipal building such as a town hall. Some clock towers are not true clock towers having had their clock faces added to an already existing building...

s, or any other high structure. In the UK, steeplejacks now use a belay rope fall-arrest system (similar to the method used by rock climbers) attached to the ladders as they are erected to eliminate free climbing and greatly reduce the risk of falls from height.

Once ladders have been erected, the next stage is usually to suspend a bosun's chair
Bosun's chair
A bosun's chair or boatswain's chair is a device used to suspend a person from a rope to perform work aloft. It is distinguished from a climbing harness by the inclusion of a more or less rigid seat, providing more comfort than even the best-padded straps for long-term use...

 (a strong wooden plank on which the steeplejack can sit very comfortably, pull himself upwards or lower himself downwards, or sit in a stationary position), but abseil equipment is replacing the bosun's chair on many operations because of its lighter weight.

Once this has been done it is possible to use this access to begin building scaffolding
Scaffolding
Scaffolding is a temporary structure used to support people and material in the construction or repair of buildings and other large structures. It is usually a modular system of metal pipes or tubes, although it can be from other materials...

 to carry out any repairs which may be required. This is done by fixing anchor
Anchor
An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or current. The word derives from Latin ancora, which itself comes from the Greek ἄγκυρα .Anchors can either be temporary or permanent...

s into the wall (whether concrete, stone, or brick) and "kicking" the scaffolding off from there.

It is also possible to carry out repairs from "suspended access cradles". These are the same type of rig window cleaners use on skyscraper
Skyscraper
A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

s. The cradle is suspended from four wires. Two of these run through an electric motor which can "climb" or "descend" the wire, and the other two run freely through a box which allows the cradle to travel upwards with no obstruction, but will stop it instantly if it starts to fall. These "suspended access cradles" are popularly called "swing stages" by their crews.

Steeplejacks are called upon to repair or replace masonry
Masonry
Masonry is the building of structures from individual units laid in and bound together by mortar; the term masonry can also refer to the units themselves. The common materials of masonry construction are brick, stone, marble, granite, travertine, limestone; concrete block, glass block, stucco, and...

 (brick, stone or concrete), carry out general carpentry
Carpentry
A carpenter is a skilled craftsperson who works with timber to construct, install and maintain buildings, furniture, and other objects. The work, known as carpentry, may involve manual labor and work outdoors....

 or painting
Painting
Painting is the practice of applying paint, pigment, color or other medium to a surface . The application of the medium is commonly applied to the base with a brush but other objects can be used. In art, the term painting describes both the act and the result of the action. However, painting is...

 or roof repair, remove and clean and repair windows, as well as sandblasting and other masonry cleaning tasks.

In Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

, many steeplejacks are represented by Local 598 of the OPCMIA union (Operative Plasterers, Cement masons and Restoration
Building restoration
Building restoration describes a particular treatment approach and philosophy within the field of architectural conservation. According the U.S...

 Steeplejacks International Association of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and Canada), and are required to complete a five-year apprenticeship.

In the UK steeplejack companies may be members of the industry association A.T.L.A.S (Association of Technical Lightning and Access Specialists).
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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