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A system using pre-molded polyethylene galleries, utilized for septic or storm water applications, to facilitate rapid and even distribution of effluent and particles across the gallery installation when utilized as a septic system, or minimizes the resistance to storm water flow when used to dissip

A system using pre-molded polyethylene galleries, utilized for septic or storm water applications, to facilitate rapid and even distribution of effluent and particles across the gallery installation when utilized as a septic system, or minimizes the resistance to storm water flow when used to dissipate storm water runoff.

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1. A multi-layer gallery having an elongated arched body and first and second ends, the elongated arched body forming an elongated arched interior space with an open bottom for liquid to flow therethrough, the multi-layer gallery comprising:a first exterior layer forming a smooth continuous surface

1. A multi-layer gallery having an elongated arched body and first and second ends, the elongated arched body forming an elongated arched interior space with an open bottom for liquid to flow therethrough, the multi-layer gallery comprising:a first exterior layer forming a smooth continuous surface along a substantial length of the gallery; a second middle layer forming a plurality of spaced apart upstanding ribs along a length of the gallery; and a third interior layer forming a smooth continuous surface along a second substantial length of the gallery; a connecting mechanism located at the first and second end of the multi-layer gallery for connecting the gallery together with another gallery in an end-to-end relationship, the connecting mechanism comprising a starting rib located at the first end of the gallery, and an end rib located at the second end of the gallery, such that a first gallery and a second gallery may be connected together by overlapping a starting rib of the first gallery over an end rib of the second gallery. 2. The multi-layer gallery of claim 1 wherein said starting rib is larger than the end rib.3. The multi-layer gallery of claim 2 wherein the third interior layer extends from the second end of the gallery and terminates prior to the first end of the gallery at the last upstanding rib of the second middle layer.4. The multi-layer gallery of claim 3 wherein there are multiple exposed upstanding ribs at each end of the gallery.5. The multi-layer gallery of claim 1 further comprising an end wall located at the second end of the gallery.6. The multi-layer gallery of claim 5 wherein said end wall is integral to the gallery.7. The multi-layer gallery of claim 5 wherein said end wall is detachably connectable to the second end of the gallery.8. A multi-layer gallery having an elongated arched body and first and second ends, the gallery forming an elongated arched interior space with an open bottom for liquid to flow therethrough, the multi-layer gallery comprising:a first exterior layer running transversely to the length of the elongated arched body forming a plurality of spaced apart upstanding ribs; a second interior layer forming a surface which is sufficiently smooth to reduce frictional drag of liquids flowing in the gallery; said first exterior layer extending from the first end of the elongated section to the second end of the elongated section; and said second interior layer extending from the first end of the elongated section and terminating prior to the second end of the elongated section to form a connecting mechanism; said connecting mechanism comprising a starting rib located at the first end of the gallery, and an end rib located at the second end of the gallery, wherein a first and a second gallery may be connected together by overlapping a starting rib of the first gallery over an end rib of the second gallery, said starting rib being larger than the end rib, and the second interior layer extending from the second end of the gallery and terminating prior to the first end of the gallery at the last upstanding rib of the first exterior layer. 9. The multi-layer gallery of claim 8 wherein there are multiple exposed upstanding ribs at each end of the gallery.10. The multi-layer gallery of claim 8 further comprising an end wall located at the second end of the gallery.11. The multi-layer gallery of claim 10 wherein said end wall is integral to the gallery.12. The multi-layer gallery of claim 10 wherein said end wall is detachably connectable to the second end of the gallery.13. A method for providing a multi-layer gallery with an elongated arched body having first and second ends and having a reduced coefficient of friction for an interior space with an open bottom to facilitate the flow of liquid and particles therethrough, including the steps of:providing a first exterior layer, the first exterior layer forming a plurality of upstanding ribs spaces apart along the elongated arched body and running transversely to the length of the elongated arched body; providing a second interior layer, the second interior layer forming a smooth continuous surface; adhering the first exterior layer to the second interior layer to form a single multi-layer gallery; extending the first exterior layer from the first end of the elongated section to the second end of the elongated section; and extending the second interior layer from the first end of the elongated section and terminating prior to the second end of the elongated section at the last upstanding rib of the first exterior layer to form locking mechanisms. 14. The method of claim 13 further including the steps of providing the locking mechanisms located at the first and second ends of the multi-layer gallery such that multi-layer galleries may be locked together in an end-to-end fashion.15. The method of claim 14 wherein further including the steps of overlapping an end rib located at the second end of the elongated section of a first multi-layer gallery on a starting rib located at the first end of the elongated section of a second multi-layer gallery.16. The method of claim 13 further including the steps of locating an end wall at the second end of the elongated section.17. A plastic gallery for containing and distributing liquid in a leaching or drain field, said gallery comprising:an elongate arched body having first and second ends and an open bottom, said arched elongate body being formed of a corrugated layer and an inner plastic layer, said corrugated layer being a corrugated plastic having a plurality of ribs extending along a substantial length of said elongate body, said inner plastic layer being affixed to an inner surface of said corrugated layer and having a substantially smooth inner surface extending along a substantial length of said elongate arched body, said substantially smooth inner surface having a low frictional drag with respect to liquid flow; said corrugated layer extending from the first end of the elongated to the second end of the elongated section; and said inner plastic layer extending from the first end of the elongated section and terminating prior to the second end of the elongated section at the last upstanding rib of the corrugated layer, to form a connecting mechanism associated with said first and second ends for connecting said gallery with another gallery. 18. A plastic gallery in accordance with claim 17, wherein said connecting means is adapted for connecting said gallery with another gallery in an end to end relationship, said connecting means comprising: one or more starting ribs located at said first end of said gallery, said inner layer being sized and located such that said inner layer is not affixed to said starting ribs, and one or more end ribs located at said second end of said gallery, said starting ribs being larger than said end ribs and being sized such that said starting ribs can be fitted over said end ribs to connect said gallery with another gallery.19. A plastic gallery in accordance with claim 18, further comprising an end wall associated with said second end of said gallery.20. A plastic gallery in accordance with claim 19, wherein said end wall is integrally molded with said corrugated layer.21. A plastic gallery in accordance with claim 19, wherein said end wall is detachably located within said gallery.22. A plastic gallery in accordance with claim 17, further comprising perforations in said inner layer and said corrugated layer.23. A plastic gallery in accordance with claim 17, further comprising an outer layer being affixed to an outer surface of said corrugated layer and having a substantially smooth outer surface extending along a substantial length of said elongate arched body.