Page 52 - Winter_2020
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The boat club from the northwest.                       Historic photo of the old Beachcombers   Courtesy of Winstanley
                                                                restaurant from the same angle.           Architects & Planners

        Over time, the water between the restaurant and the   flow systems that are coupled with a dedicated outside
        shore was gradually filled in, and not always in an   air system for ventilation. The clubhouse’s kitchens
        environmentally sensitive manner: In a 2006 interview,   were placed on the building’s north side, allowing for
        one of the restaurant’s owners recalled that in the early   ample windows on its south, east, and west sides for
        1950s, cement trucks getting ready to return to their   daylighting interior spaces. The windows use a low-
        concrete plant at the end of the day flushed their mixers   emissivity, argon-filled, insulated glazing with a low
        over the bulkhead.                               U-factor, in conformance with strict requirements for
            Working with the filled-in riverside site required   buildings in Alexandria’s Old Town. The building is
        careful remediation efforts. Contaminated materials   equipped with low-flow plumbing fixtures to achieve a
        were excavated and disposed of in accordance with   20% reduction in water use.
        Virginia Department of Environmental Quality waste-     “The extensive use of red cedar [for the building’s
        management regulations, and petroleum-impacted   siding] is a big [sustainable-design] feature,” Hong said.
        materials were taken to facilities capable of handling   “Wood is the only major building material that is renewable.
        substances containing nonhazardous (but nevertheless   Not only is it durable, it requires much less energy to
        undesirable) levels of petroleum hydrocarbons.   produce and has low impact on air and water quality.
            Groundwater from the site’s excavation and   Western red cedar is recyclable, biodegradable, and comes
        dewatering was treated with a granular activated   from the most sustainably managed forests globally.”
        carbon (GAC) system and then transferred to a       The building’s relationship with its newly
        holding tank that was configured to separate any   remediated site was carefully managed. Consistent
        free-phase petroleum. Following that, the water was   with the Chesapeake Bay Act and Article XIII of
        directed through bag filters to remove sediment, and   Alexandria’ zoning ordinance, the building’s roof and
        again through GAC absorption vessels to remove   outdoor areas drain to a planter wrapping around
        volatile organic compounds. The separated free-phase   the north and east sides. Filtered storm water is then
        petroleum was retained in separation tanks and   discharged to the existing closed-conduit storm sewer
        disposed of by a licensed waste hauler.          system, with a check valve installed to control any
            Concentrations of methane at the site were above   possible back pressure caused by a flood.
        the threshold for risk of explosion, so a vapor barrier      The clubhouse “has been designed to meet the
        was installed under the concrete slab to prevent the gas   criteria established by FEMA to make the structure
        from accumulating above ground.                  resilient during weather events,” Winstanley said.
            The site, which is in a flood zone, was regraded   “That was accomplished by flood-proofing a small
        to a 10-year-flood elevation of 6 feet, 2 inches, and   area on the ground floor, such as the lobby area, and
        the clubhouse’s parking lot was regraded to direct   locating all building equipment on the roof. The ODBC
        rainwater into the city’s storm water system.    that once flooded numerous times a year [at its old
            All these actions are essentially invisible to those   location] will now be a dry structure when many of the
        visiting the site today, but they form an important part   other properties in Old Town are flooded.”
        of the project’s sustainable design profile.        In designing a new building, architects often look
            Consistent with Alexandria’s requirements for   to the surrounding architectural context for potential
        new buildings, the clubhouse itself was designed to   design cues. But in this case, that wasn’t very helpful,
        meet a LEED Silver-equivalent standard. The building   because the old Beachcombers building stood by itself,
        incorporates heat-recovery and variable refrigerant   out in the water. “With no [historical architectural]


        50                     THE BOATING PARTY
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