Radon remediation in form-drain apparatus

Details Radon remediation in form-drain apparatus Radon remediation in form-drain apparatus

E - Fixed Constructions

21

F

E21F 7/00 (2006.01) E02D 31/00 (2006.01)

Patent

CA 2176467

A permanent form-drain network (10) adapted for radon remediation. A permanently installed form-drain system (10) is partially piecewise modified and adapted to collect and remove radon gas from sub-slab (44), as well as basement and similar near-subterranean, portions of building. The partial piecewise modification of an existing form-drain includes adapting existing connector elements of the form-drain with vent tubes (20) and differently molded pieces such as offset transition conduits and "T" shaped divergent conduits. The method for installing the invention conceives of the use of a radon accretion zone gas barrier made of an impermeable membrane (42).

L'invention concerne un réseau de retenue-évacuation (10) adapté pour évacuer le radon. Un système de retenue-évacuation installé de façon permanente (10) est modifié partiellement et adapté pour collecter et évacuer le radon de la sous-dalle (44) ainsi que du sous-sol et des parties similaires pratiquement souterraines de la construction. La modification partielle d'un système de retenue-évacuation existant consiste à adapter des éléments de raccords existants d'un tel système avec des tubes d'évent (20) et des pièces moulées de forme différente telles que des tubes de réduction décalés et des conduites divergentes en forme de "T". Le procédé pour installer le système selon l'invention consiste à utiliser une barrière de gaz de la zone d'accumulation composée d'une membrane imperméable (42).

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