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The earliest type consisted of a "u" shaped trough onto which a flat lid was placed. Later the extruded clay pipe was developed. These are still used. These can be laid in an excavated trench, or a horizontal hole is formed in the ground using a mole plough and the pipes are forced in by means of a hand or mechanical press. By this means, heavy ...
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. VCP is commonly used in gravity sewer collection mains because of its long life and resistance to almost all domestic and industrial sewage , particularly the ...
Once the site of the most prolific clay tobacco pipe makers in Britain, exporting worldwide, the works were abandoned in the 1950s. Pipeworks bottle kiln. The museum preserves the details of the industry of clay tobacco pipe making and has a display of clay tobacco pipes, including the Churchwarden and Dutch Long Straw pipes. [1]
To make puddle, clay or heavy loam is chopped with a spade and mixed into a plastic state with water and sometimes coarse sand or grit to discourage excavation by moles or water voles. The puddle is laid about 10 inches (25 cm) thick at the sides and nearly 3 ft (0.91 m) thick at the bottom of a canal, built up in layers.
A culvert under the Vistula river levee and a street in Warsaw. Construction or installation at a culvert site generally results in disturbance of the site's soil, stream banks, or stream bed, and can result in the occurrence of unwanted problems such as scour holes or slumping of banks adjacent to the culvert structure.
It has gained a specific and particular meaning as a result of a number of Acts of Parliament such as the Land Drainage Act 1991. [1] In this context, land drainage refers to the responsibilities and activities of "internal drainage districts " and " internal drainage boards ", both of which are specifically defined by relevant legislation.