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The culverts built for the Southern and Western railway lines were built to standard designs approved by Fitzgibbon in 1863. They were of masonry or timber construction; concrete was not used for culverts in Queensland until the 1880s. The North Ipswich culvert was built to the standard design for 4 feet (1.2 m) wide brick culverts.
The culvert type and shape selection is based on a number of factors including requirements for hydraulic performance, limitations on upstream water surface elevation, and roadway embankment height. [2] The process of removing culverts to restore an open-air watercourse is known as daylighting. In the UK, the practice is also known as deculverting.
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Two foot and 600 mm gauge railways are narrow gauge railways with track gauges of 2 ft (610 mm) and 600 mm (1 ft 11 + 5 ⁄ 8 in), respectively. Railways with similar, less common track gauges, such as 1 ft 11 + 3 ⁄ 4 in ( 603 mm ) and 1 ft 11 + 1 ⁄ 2 in ( 597 mm ), are grouped with 2 ft and 600 mm gauge railways.
Cast iron pipes piled up near the construction site. Cast iron pipe is pipe made predominantly from gray cast iron.It was historically used as a pressure pipe for transmission of water, gas and sewage, and as a water drainage pipe during the 17th, 18th, 19th and 20th centuries.
The Fleet passing by St Pancras Old Church. The Fleet rises on Hampstead Heath as two sources, which flow on the surface as the Hampstead Ponds and the Highgate Ponds.They then go underground, pass under Kentish Town, join in Camden Town, and flow onwards towards St Pancras Old Church, which was sited on the river's banks.
Bell & Spigot Pipe manufactured in the U.S. going into the trench Glazed ceramic pipes, manufactured in the EU. Vitrified clay pipe (VCP) is pipe made from a blend of clay and shale that has been subjected to high temperature to achieve vitrification, which results in a hard, inert ceramic.
A sketch map of some lost rivers "London Before the Houses", map of pre-urban London from 1884. [1] The position of a mouth of the Effra in the 13th century.. The subterranean or underground rivers of London are or were the direct or indirect tributaries of the upper estuary of the Thames (the Tideway) that were built over during the growth of the metropolis of London.