Structures Unlimited, Inc.
STRUCTURES UNLIMITED BRINGS DAYLIGHT INTO A WASTE WATER PLANT
California Water Treatment Plant

California Water Treatment PlantThe building design of a municipal water and waste treatment facility is challenged by the demands of cost effectiveness, maintenance and long-term integrity. Not all building materials can withstand the high concentrations of chemically-laden air present in such moisture-filled, corrosion-prone areas. Designed for functionality not aesthetics, many plants resemble a box with little natural light. Yet, incorporating elements such as skylights designed specifically for wet space applications can result in significant advantages. Wilson & Associates, Inc. designed the California Water Treatment Plant in Cincinnati, Ohio to take advantage of advances that have been made in the technology of building materials and systems.

Housed in this 150,000-square foot building are general offices, laboratories, a central control room for the water system, and a two-story wing for maintenance shops for the entire complex as well as carbon filtration tanks and gas-fired furnaces used to reactivate spent carbon from the filtration process. The $40 million, state-of-the-art facility includes architectural features such as an expansive skylight system from Structures Unlimited, Inc.

California Water Treatment Plant"At the time of construction, the Cincinnati Water Works' Treatment Plant Granular Activated Carbon Facility was the first of its kind; the most advanced, largest water filtration system in the world," states Project Designer William Taylor of Wilson & Associates. "The City of Cincinnati wanted a welcoming, warm environment to provide for the anticipated visiting public. The use of the Structures Unlimited, Inc. translucent skylight system enhances the quality of the interiors by use of natural light, allowing industrial space, which is typically dark and intimidating, to be transformed into a bright and inviting space at an economical cost."

Structures Unlimited, Inc. skylight systems feature the most highly insulated, diffuse-light transmitting technology in the world. The Kalwall® panel system of fiberglass faces bonded to a grid core of mechanically interlocking I-beams is utilized. The translucent sandwich panels are laminated under a controlled process of heat and pressure. During the manufacturing process, the panels can be infilled with various densities of specialized translucent insulation to minimize heat loss/heat gain greatly reducing heating, air conditioning and lighting costs. The HVAC problems inherent with glass skyroofs are eliminated as the system also controls solar heat transmission. In the standard 2 3/4" (70 mm) panel, "U" factor options range from 0.53 to 0.18; in its new thermally broken panel, performance can be as low as 0.10 as tested and computer modeled by NFRC-100 procedures endorsed by the Department of Energy for maximum energy efficiency and reliability. Thermally broken technology offers the ultimate condensation control as well as delivering superior energy performance.

Adds Taylor, "The client's desire for natural light was satisfied with the Structures Unlimited, Inc. product because it provides an abundance of natural light with minimum impact on HVAC systems and minimal glare. Using this system meant reduced heat loss/heat gain in keeping with our design parameters. The Structures Unlimited, Inc. diffused light system was ideal." For use in this complex, the Kalwall panels have a "U" factor of .24.

Made For a Perfect Fit
Each Structures Unlimited, Inc. system is custom-made from standard components to meet the specific building code requirements. Prefabricated and modular, these Skylights are erected faster than other system. Maintenance, leaks and repair problems are also eliminated because Structures Unlimited Skylights are factory pre-engineered and preassembled. Factory trained technicians provide trouble-free installation.

"One of the reasons we chose Structures Unlimited, Inc. was the support from their technical division in assisting our efforts to provide the client with exactly the desired product," says Taylor.

Structures Unlimited, Inc. provides single-source responsibility from engineering and manufacturing right through delivery and installation by experienced factory craftsmen. Prefabrication and total factory responsibility also means no construction delays or errors. Furthermore, Structures Unlimited, Inc. systems can be erected during any time of the year, regardless of weather.

Easy to Maintain and Made to Last
Both the inside and outside surfaces are ultra-smooth; the panels resist dirt, dust and bacteria build-up. Structures Unlimited, Inc. panels can be steam cleaned if necessary. All materials used in Structures Unlimited, Inc. systems are impervious to moisture and chlorine and consequently require virtually no maintenance.

Structures Unlimited, Inc. systems stand up to even the harshest environments. Structures Unlimited, Inc. has proven performance in bitter cold, sweltering heat, under rapid temperature changes, howling wind, blowing snow, ice and sand and has even withstood hurricanes. The integrity of their translucent sandwich panel technology has been proven for over 40 years! Since Structures Unlimited, Inc. panels are shatterproof and vandal-resistant, the problem of breakage is eliminated. Structures Unlimited, Inc. skylights can even be walked on as they are structurally self-supporting.

Concludes Taylor, "We found Structures Unlimited Skylight Systems to be an excellent product… one we will use again because of its versatility, technical support, economical product/installation factors, maintenance-free aspects, spacial benefits and durability qualities."

The California Water Treatment Plant - Granular Activated Carbon Facility
Cincinnati, OH
Designer/Architects: Wilson & Associates, Inc.
Contractor: Kokosing Construction Company, Inc.

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