The Rialto, Calif.-based Interstate-210 Logistics Center is part of a proposed master-planned project located on and around the Rialto Municipal Airport. In addition to designing the facility, engineers from SB&O Inc. collaborated with EW Harmon Contracting, Inc. to design and install a stormwater detention and retention system to comply with water quality requirements as well as provide stormwater pre-treatment to the site.
Photo: Courtesy of Cultec

The Rialto, Calif.-based Interstate-210 Logistics Center is part of a proposed master-planned project located on and around the Rialto Municipal Airport. The 1,445 acre site is a premier west Rialto location, with high-profile corporate neighbors including Target, Under Armour, Black & Decker, Solo Cup and Kuehne + Nagel. The 718,000 square-foot industrial distribution warehouse will house products until they are ready to be shipped to their final destinations across the country.

Upon completion, the Logistics Center will feature a cross-dock facility with 32' minimum warehouse clearance, 185' – 344' concrete truck courts, 112 dock loading doors, each 9' x 10' high, and 249 trailer parking spaces each measuring 10' x 53'. About 3,380 square-feet of the building will be dedicated to the office space.

In addition to designing the facility, engineers from SB&O Inc. collaborated with EW Harmon Contracting to design and install a stormwater detention and retention system to comply with water quality requirements as well as provide stormwater pre-treatment to the site.

Engineers determined that the most economically effective method of stormwater management would be to combine an underground network of chambers with a separate above-ground system consisting of retention/detention basins – a relatively new practice. A challenging aspect of the dual-system design was determining how the two systems would interact with each other, and how to keep siltation out of the underground system, into which water from the above-ground system migrates.

To mitigate water quality concerns, engineers chose to raise the inlets in the above-ground detention basins so that the silts had a chance to settle prior to flowing into the underground chamber system consisting of 726 units. Two CULTEC StormFilter???(R)???AE???? 330 units filter runoff before it enters a Separator Row•. The StormFilter 330 is a chamber-shaped secondary filter which contains two removable pass-thru filters. Water passes thru the filter baffles and is captured or settles to the bottom of the unit. For maintenance, the StormFilter housing can be vacuumed out and the filter bags may be replaced or cleaned and reused.

The Separator Row, comprised of the first row of underground chambers, is enveloped with No. 410• filter fabric and sits on top of two layers of woven geotextile fabric. The row also pre-treats runoff by capturing silts and fine particles in a row of chambers prior to runoff overflowing into the rest of the infiltration basin. To help maintain the stormwater system, debris can be easily vacuumed out using a water jet, which pushes water toward the catch basin and sump while removing waste.

For more information about CULTEC stormwater management chambers and other products, call (203) 775-4416 or visit www.cultec.com.