Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1996-10-24
1998-07-28
Graysay, Tamara L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405154, 248 72, J16L 106
Patent
active
057854572
ABSTRACT:
A placement and support system for installing long lengths of connected pipe sections and method of using the same are provided having a series of pairs of spaced apart piles that are installed at predetermined sites by pile-driving into the floor of an expanse and, in particular, a body of water. Each pile has a bent seat at lower end and the piles are driven until the seats are positioned at the desired distance above the floor. The sections of pipe are preconnected on land or on a barge to a desired length. A prefabricated pipe saddle assembly is installed between each pair of piles and positioned above the water line by wedging or a hydraulic jack to form a series of pipe saddle assemblies. Each pipe saddle assembly has a transverse support beam. There is a pipe sleeve at each end of the support beam dimensioned to slide over the piles. A generally U-shaped pipe saddle is affixed to the transverse beam. The long pipe is positioned on the pipe saddles by crane or other appropriate tools or machinery and secured to each pipe saddle by a pair of U-bolts. The wedges or jacks are removed and the pipe slowly filled with water. The pipe sleeves slide down the piles until they abut the bent seats at or near the bottom. After the pipe is positioned, the piles are filled with concrete to a point slightly above the pipe and the empty pile above the pipe is removed.
REFERENCES:
patent: 2373439 (1945-04-01), Wheatley
patent: 4252466 (1981-02-01), Barti et al.
patent: 4338045 (1982-07-01), Cour
patent: 4492493 (1985-01-01), Webb
Becker, Jr. Albert B.
Thompson Thomas G.
Graysay Tamara L.
Horner & Shifrin, Inc.
Lagman Frederick
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