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ARCHITECTURAL ENGINEERING Projects: Henderson Airport Terminal Building - Henderson, Kentucky Reisz Engineers designed the Henderson Airport Terminal Building in Henderson, Kentucky. James Audubon Museum - Henderson, Kentucky The Audubon Museum housed and displayed artifacts from the early nineteenth century era, including paintings. These artifacts were subject to deterioration due to the indoor environment they were displayed and stored in. Reisz was responsible for the design for the security system, fire and smoke alarm system, HVAC system, air filtration system, 4-pipe piping system, theater lighting and outdoor lighting. A 400-ton chiller serves all areas of the museum, art storage areas, and the new addition with an integrated computerized-control system. The HVAC system included a computerized indoor environment system that provides purified air at controlled winter and summer season humidities and temperature conducive to the preservation of the art and artifacts. Custom designed and built multizone air handlers control the air to the museum areas using a specially designed charcoal filter. The computerized system controls the museum environment. A standard commercial HVAC system was designed for several rooms. A large multi-zoned air handler serviced these areas. A custom filtration system was designed to provide an environment to aid in the preservation of the art objects. The charcoal filtration system filters not only filters micro sized particles such as pollen and cigarette smoke, but also toxic gases. International Bluegrass Music Museum - Owensboro, Kentucky Reisz Engineers was responsible for the dehumidification to protect artifacts from high humidities during the warm seasons, designing the ductwork layout, and the track lights within the museum. The Ohio River location of the museum is subject to high humidity during the warm seasons. The inside environment of the museum uses a direct digital controller to maintain set temperature and relative humidity with filtered air to maintain conditions conducive to the preservation of the displayed and store art objects. The museum mechanical system includes two air-to-air split system heat pumps. As conditions demand, a liquid desiccant dehumidifier removes moisture from the air entering the air handlers thereby reducing the latent heat load on the air conditioning systems and providing improved humidity control. Two generated steam humidifiers increase relative humidity to the set point as needed in winter months. The museum common areas are illuminated with suspended track lighting providing higher illumination for featured objects. General areas of the museum proper have exposed ceilings with painted ductwork. Featured areas have suspended ceilings with track lighting. Directed lighting illuminates areas in the theater and stage areas. Areas of walls and ceilings are designed for acoustic features. Electrical circuits are located to provide electrical outlets at strategic locations for music festive events and music demonstrations. Demopolis School System - Alabama Reisz Engineers performed a full Heating Ventilation and Air Conditioning (HVAC) layout for five buildings within the Demopolis School System. All of the buildings implemented the geothermal heat pumps, which require vertical boreholes to be 250 feet down into the earth. Each classroom included a plenum for mixing outside air with recycled room air. In adhering to ASHRAE standards for fresh air requirements, an energy recovery ventilator was included to allow the required amount of fresh air into each classroom plenum. Carbon Dioxide sensors were implemented for determining levels of Carbon Dioxide in the room. When the Carbon Dioxide becomes too high, the energy recovery ventilator will provide fresh air to the plemum. For healthier recycled air through the plenum, a germicidal lamp was included. This lamp utilizes ultraviolet light to kill germicidal agents. Nazareth Literary and Benevolent Institute - Nazareth, Kentucky Reisz Engineers provided engineering services for the design and installation of a central chiller and new boiler that provides heating and cooling to the church, dormitories, laundry, dining room, classrooms, and meeting rooms. The dormitories and classrooms have four-pipe fan coil units with individual thermostat controls in each room so that climate levels can be adjusted to the occupant's comfort level. The church, dining room, and large area rooms are served by ducted conditioned air from air handlers. Country Inn & Suites Hotel - Mercer County, West Virginia Reisz Engineers was contracted to perform a complete mechanical and electrical design for the Country Inn & Suites. The design of the new hotel was required to match the design of existing Country Inn & Suites hotels. The HVAC design involved calculating heating and cooling loads for each area including the required ventilation. The calculations were based on a load study and a psychometric evaluation for human comfort. The facility electrical system was designed to meet all national, state and local codes. All the loads were balanced to reduce energy costs. The electrical design also included Cable TV, Telephone and Fire Alarm systems. The swimming pool utilized a special design to be cost effective for installation and meet all aesthetic requirements and adhere to all applicable codes. The swimming pool area was conditioned with a special dehumidification system that was designed to heat and cool the area while keeping the humidity at a comfortable level for human occupancy. Reisz Engineers also designed a fire prevention system for the hotel that works in conjunction with the fire alarm system to provide a safe environment for the occupants and meets all the fire safety codes. Jackson County Hospital - Alabama Reisz Engineers provided engineering services to upgrade the heating, ventilation and air conditioning system for the Jackson County Hospital with electrical services to support all mechanical renovations. We were contracted to verify existing heating and air conditioning loads in the building. Using heat loads analysis to include psychometrics we studied each zone for compliance with the American Society of Heating Ventilation and Air Conditioning Human comfort zone. We generated construction drawings and specifications to upgrade the existing system to the new requirements. The upgrade included increasing the capacity of both the existing chiller and the existing boiler plant. In addition to retrofitting the chiller plant for increased capacity, an primary-secondary chilled water loop with variable frequency drive pumps for energy conservation and ease of operation and maintenance was implemented. The capacity of the boiler plant was increased and all existing DX systems were replaced with water fan coil units. Ductwork was revised and diffusers were repositioned as needed to provide correct air distribution. General Links of Interest: Architectural Lighting - Industry, Projects, Details Architectural Record - Design Ideas and Building Science LightFair International - Architectural and Lighting Trade Show and Conference Light Right Consortium - Erognomic Lighting Lighting Controls Association - Benefits of Dimming to Building Design NEMA - Matrices of lamp and ballast combinations that meet Energy Star® performance requirements National Lighting Bureau - Educates on High-Benefit Lighting State of Alabama Building Commission - State Building Codes for state buildings, schools, hotels, motels, and motion picture theaters WDMA - Daylighting Offers Great Opportunities |