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The three main railway gauges in Australia are narrow: 1,067 mm (3 ft 6 in), standard: 1,435 mm (4 ft 81⁄2 in), and broad: 1,600 mm (5 ft 3 in). A slow progression towards unification to standard gauge has taken place since the 1930s. [3] About 4,000 km (2,500 mi) of 610 mm (2 ft) light railways in Queensland support the sugar-cane industry. [4]
A purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof. In traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin. Purlins also appear in steel frame construction. Steel purlins may be painted or greased for protection ...
Steel frame is a building technique with a " skeleton frame" of vertical steel columns and horizontal I-beams, constructed in a rectangular grid to support the floors, roof and walls of a building which are all attached to the frame. The development of this technique made the construction of the skyscraper possible. [1]
A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope. The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.
Indian gauge (1,676 mm) This list presents an overview of railway track gauges by size. A gauge is measured between the inner faces of the rails. Narrow gauge (1,067 mm) Standard gauge (1,435 mm) Broad gauge (1,600 mm) The large network of narrow-gauge sugar cane light railways, almost all 610 mm (2 ft) gauge, is not shown, Rail gauge in ...
In Australia, this gauge is typically referred to as narrow gauge in comparison to 4 ft 8 + 1 ⁄ 2 in (1,435 mm) standard gauge or 5 ft 3 in (1,600 mm) broad gauge. In some instances, simply 3 foot 6 inch — or in rarer cases medium gauge — is used to distinguish it from other narrow gauges.
Section view through a house roof drawing showing names for parts of the structure. [clarification needed] (UK and Australia). Ctrs. means centers, a typical line to which carpenters layout framing. Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates. [1]
Menangle Narrow Gauge Railway [1] (operating) Newington Armaments Depot (defunct) Timbertown Heritage Railway (located in Timbertown) (operating) Pete's Hobby Railway (located in Junee) (Private 2 ft gauge railway that is operating. Public admittance is not allowed under the Rail Safety National Law (NSW), No. 82a of 2012) Queensland.
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