This document is the Arc Septic Leaching Chamber Specification. Scope, requirements, connections, material properties and installation explained.

This specification describes the Arc chamber units for use in onsite wastewater disposal applications. Arc chamber are manufactured from high-density polyethylene with an open bottom, solid top and louvered sidewalls. Sidewall louvers shall be designed to minimize soil intrusion. Chamber requirements shall meet the load rating of H-10 (16,000 lb per axle) with a minimum of 12 inches of cover when tested in accordance with IAPMO PS 63 and installed in accordance with manufacturers installation procedures.

Chamber connection involves each chamber interlocking with an integral articulating joint. Articulating joints shall have a free range of horizontal rotation of 20 degrees, with a maximum of 10 degrees in either direction. Articulating joint shall be constructed by placing the dome with engaging knuckle of the incoming chamber over the post end of the previously-installed chamber.

The material properties of each chamber shall be manufactured from high-density polyethylene as defined and described in IAPMO PS63.

Installation shall be in accordance with ADS installation procedures as well as all state and local health department regulations.

A chart detailing the specifics of each model and 2 figures are included.