Measuring and testing – With fluid pressure – Leakage
Patent
1985-07-08
1987-07-28
Levy, Stewart J.
Measuring and testing
With fluid pressure
Leakage
73 405R, 405 54, G01M 304
Patent
active
046824928
ABSTRACT:
A system for detecting leaks in a tank, or the like, comprising an excavation basin including a periphery and defining a generally saucer-like formation with a basin surface which slopes from the periphey. A tank supported by the excavation basin. The tank has a permeation barrier extending from the periphery of the basin excavation and is supported by and conforms to the basin surface of the saucer-like formation. A corrosion curtain is integrally bound to said permeation barrier and defines an upright side wall of the tank. Particulate matter is supported by the permeation barrier, and a liquid-impervious liner continuously extends from the top of and down the corrosion curtain upright side wall and across the top of the particulate matter that is being supported by the permeation barrier. A liquid leakage receiver is positioned in the particulate matter. A monitor conduit is bound to the leakage receiver and pierces the permeation barrier and extends under the excavation basin outwardly therefrom beyond the periphery of the excavation basin. A leak-check tube is attached to the monitor conduit under the ground and projects upwardly therefrom beyond the surface of the ground. A method for detecting leaks in a tank comprising the steps of:
(a) dispersing particulate matter along the surface of the permeation barrier; (b) positioning the liquid leakage receiver in the particulate matter; (c) binding integrally the monitor conduit to the leakage receiver such that the monitor conduit pierces the permeation barrier and extends outwardly therefrom beyond the periphery of the excavation basin; (d) lining continuously the upright side wall and the top of the particulate matter with the liquid-impervious liner; and (e) detecting any leakage from the tank through a leak-check tube that is bound to and in communication with the monitor conduit.
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Carpenter John W.
Levy Stewart J.
Williams Hezron E.
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