Understanding Technical Data for Stormwater Management Solutions

Engineering Specifications for StormChamber Systems

Each chamber will be formed from high molecular weight/high density polyethylene.

Each chamber will be composed of at least 40% recycled material.

The stone base that the chambers are placed on will not be compacted in order to avoid compaction of the stone-soil interface, which restricts soil infiltration.

The chamber system will be designed without filter fabric under the chambers in order to avoid restriction of soil infiltration, which occurs from the normal clogging of the filter fabric from sediment and debris deposition.

Use of filter fabric between the soil and stone backfill layer and lining the side walls of the excavated area will be required to prevent intrusion of soil or silt into the chambers and surrounding stone.

Each chamber will be capable of exceeding 32,000 pounds per square foot (i.e., four times the AASHTO H-20 Wheel Load Rating).

Each chamber will be capable of being installed with a minimum of 25 feet of cover above the crown of the chamber.

Each chamber system will be capable of being installed with a minimum of six inches of stone base.

Each chamber will be 34.04″ high, 60″ wide and 102.5″ long.
Lay-up length will be 8′-1″ (start and end unit) and 7′- 7″ (middle unit).

Each chamber will have 14 ribs of approximately 3.6″ in height, 3.8″ wide at the top and tapering to 4.4″ at the bottom. Spacing of the ribs at the bottom of the chamber will be approximately 4.9″ and approximately 3.2″ at the top. One smaller rib sized dimensionally to effectively nest under and interlock to connect units will be 2.9″ high, 3.3″ wide at the top of the rib, and 4.1″ wide at the base.

Overall height to the inside rib will be 30.44″.
Overall height to the outside rib will be 34.04″.

Each chamber will have a defined top portal which is structurally enhanced to compensate for loss of structural integrity when apertures are cut open to receive pipe. Each such portal will be capable to receive up to a 12″ PVC pipe.

Each chamber will have defined side portals on opposing sides which are structurally enhanced to compensate for loss of structural integrity when apertures are cut open to receive pipe.

Invert height for a 10″ PVC pipe through a defined side portal will be 17.49″.
Invert height for an 8″ PVC pipe through a defined side portal will be 18.49″.

Each chamber will be capable to accept an 8″ or 10″ PVC feed pipe through a defined side portal.

Each chamber will be capable to accept up to a 30″ OD pipe through its end wall.

Each chamber will be capable of storing a minimum of 14.53 cubic feet per lineal foot with 6″ or stone above and below the chamber.

Each chamber system will be designed without utilizing a header pipe manifold system.

Stone diameter will be 3/4″-2″.

Testimonials

  • “Because we have installed several StormChamber systems, a lot of engineers have asked for advice on competing plastic chambers. We have always recommended the StormChambers. They far exceed the competition on cost and ease and speed of installation.”

    Dean Clark General Manager, SECO, LLC, Chelton, WA

  • “Much less expensive and much quicker and easier to install than the 64″ pipe originally speced for the project.”

    Joe Szabo Owner, J&R underground contractors, Milan, MI

  • “Significantly faster and easier to install than pipe. Significantly less staging room needed and a lot fewer trucks to receive and unload.” (The equivalent of 213 LF of pipe nest on one pallet, 1,913 LF on one truck.)

    Bob Dawson Owner, Dawson Company, Woodbridge, VA

  • “We have installed several StormChamber systems because we find them to be a lot less expensive and quicker to install than the competing systems and we can install them in two layers on very confined sites.”

    Ed Shaw Shaw Construction, Reno, NV

  • “We were surprised by the ease of use of the system and greatly appreciated support provided. We are already looking forward to building our next StormChamber project!”

    Erik Gervais PE, Constructions GFL, Brossard, QC

  • The Loudon One project in Ashburn, VA

    “I also like that it can be cleaned by air vacuuming via inspection /cleanout ports instead of using water. Anytime you have to clean something with water, then you have to have a truck that collects the water and the sediments in it. Depending on where you can dump that, it can get much more costly as opposed to going out with a vacuum truck.”

    Steve Pandish Director of Water Resources for the engineering firm of William H. Gordon Associates in Chantilly, Virginia

  • HUGO SIMS METAL RECYCLING FACILITY IN THE BRONX, NY

    “The choice of StormChambers met the design requirements for strength in such a way that the chambers could be stacked three deep with 30 feet of cover, if needed. Strong enough to sustain the impact of 18-wheelers loaded with steel. They also were 30 percent more cost-effective than other options.”

    Dr. Paul Mankiewicz hydrologist and consultant to the City of New York on storm water and related issues and executive director of the not-for-profit Gaia Institute in the Bronx, NY

  • Double-stacked system in Tukwilla, WA

    “It was easy. There were no difficulties once the owner decided on the StormChamber system. The project is holding up to heavy traffic, pump tracks, and cranes.”

    Tom Radice Abbot Construction

  • Charles-Lemoyne Hospital, Greenfield Park, Quebec

    "We were amazed by the simplicity of this system and have appreciated the support from the Soleno team during the entire project. We are already looking forward to designing another project using the StormChamber!"

    Érik Gervais, P. Eng Const. GFL, Brossard, Quebec
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