For the project at 75th and 95th Marine Drive, each development used a 4-foot x 6-foot Langley Concrete vault with 27-inch long filter cartridges and 40-inch long filter cartridges, respectively. The devices were installed in the corner of the parkade, adjacent to parking spaces, taking up very little space from the revenue-generating parking lot. A 36-inch diameter manhole was cast into a concrete vault lid in the floor above the device, which allows easy access to the device for maintenance workers and vacuum truck service from street level.
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