SPECIALTY
AEC has been fortunate to work on a variety of very unique projects for different federal and state entities. Our clients trust our engineers to use their creativity and backgrounds to produce solutions for complex engineering services. Our engineers have worked in top secret or secured environments and have dealt with sensitive information related to their projects. By focusing on the task at hand and relying on strong experiences and technical support teams, we are able to provide clients with the best engineering design services for their unique projects.
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Beightler National Guard Armory Photovoltaic System Study
AEC provided design services for the installation of a 75kW solar photovoltaic (PV) system at Beightler Armory. The system was designed to provide full power to the facilities Property Book Office building, security gate, and digital informational sign during daylight hours. When generated, the power exceeds the load, a net meter reverses its direction, thus subtracting utility charges off the electrical service. One particular challenge involved with this project was that this service is 100% backed up by a standby diesel generator. Careful planning and execution was necessary to prevent back-feeding the emergency generator from the PV array in the event of a power outage on the utility side. This system utilized a single 75kW inverter that continuously reports data back to the buildings energy management system.
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Strategic Weapons Facility Addition
AEC was part of a Design/Build team selected to construct a 50,752 square foot addition to the existing Strategic Weapons System Engineering Facility. Special features included 1000 kW generator and UPS system, access controlled lab spaces, dry air/nitrogen distribution system, fire protection system, classified and unclassified information systems, and a humidity requirement of 40-60% lab spaces. The project conformed to anti-terrorism/force protection standards and followed LEED and Federal Energy Act compliance for design, development, and construction. The building was designed to achieve a LEED Silver certification through the United States Green Building Council (USGBC). Estimated cost of the project was $11,000,000.
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NASA Space Power Facility Report
AEC was issued a task order to provide a Preliminary Engineering Report for the Space Power Facility at NASA Plum Brook Station after it was determined that the building code would not allow for the testing of flammable materials. AEC provided a PER for the modifications within the facility and for a method of storing flammable chemicals outside of the facility when not being used. AEC identified the areas and equipment in and around the facility that would require modification, addition, and/or replacement in order to meet Ohio Building and Fire Code. AEC’s engineering design included a fire suppression system; fire detection and alarm system; spill control, drainage and containment; ventilation system; emergency power supplies; electrical equipment specifications.
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Subterranean Warfare Complex Design/Build
AEC was part of a team that was selected to design the country’s first subterranean warfare complex for the Indiana National Guard. The complex has approximately 1,100 linear feet of constructed underground caverns designed for real world realism in order to prepare soldiers to fight in confined underground scenarios. The project used a design/build delivery in order to minimize cost and expedite the schedule. AEC was responsible for the design of the mechanical and electrical systems. The design included a ventilation system, emergency egress lighting system, and associated distribution power and control. Construction cost was $750,000.
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NASA Spacecraft Propulsion Research Facility Study
A task order was issued to AEC to conduct a study of the Exhaust System of the B-2 Spacecraft Propulsion Research Facility. At NASA͛s Plum Brook Station. The purpose of the study was to evaluate methods for the augmentation of the process water system which supplies water to the exhaust system in order to provide cooling necessary for an 800-second hot-fire test of a 45,000 lb. thrust engine. Preparation of preliminary design documents were also included as part of the scope of work for this project.
AEC was retained for an additional project for the Spacecraft Propulsion Facility in which AEC engineers studied the water pumps and made recommendations for reconditioning of the seven process water pumps system. In their study, our engineers found that the pumps, which are vital for hot-fire engine testing, have not been utilized at full capacity since the late 1990͛s. Our engineers prepared three refurbishment/replacement options for NASA.
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Rickenbacker Air Traffic Control Tower Renovation
AEC was part of a design that prepared construction documents and provided construction administration services for a new Air Traffic Control Tower at Rickenbacker International Airport. The new ATCT replaced an existing one that was constructed by the military in the 1950’s. The new 8-story tower strengthens safety and security at the airport, which is primarily used for cargo transports. It is a modern, state-of- the-art structure with separate meeting rooms and training offices, maximizing the space and functional capabilities of the building. Updated security cameras and access controls are also part of the upgrade project. AEC was responsible for design of all mechanical, electrical plumbing, technology, and fire protection systems for the new facility. AEC also provided construction administration services
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Naval Support Activity Crane Building Renovation
AEC was part of a Design/Build team that was selected for renovations that consisted of the demolition and restoration of portions of a production building for Crane Army Ammunition Activity (CAAA). The design included the renovation of production areas to meet the requirements of NAVSEA OP 5, current edition and all applicable UFC’s; these requirements include explosion proof design of the HVAC, Power Distribution, Lighting, and Fire Alarm systems. Protection in these hazardous areas meant spark proof devices, bonding of all ductwork, and ductwork that could be taken apart on a regular basis for routine cleaning. The HVAC system included three 100% outside air handling units coupled with a 120-ton air cooled chiller. The existing steam system servicing this building was reused and extended to the new air handling units for humidification. The HVAC system was designed to keep a slightly negative air pressure to ensure no hazardous materials escaped the building envelope. Due to the installation of the large chiller and new air handling units, the existing power service was also upgraded to provide additional capacity. The new power distribution system also extended to the production areas to accommodate the production equipment and exhaust fans.
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NASA Plum Brook Station Entry Gate Facility
This project provided for the upgrades to the security perimeter at NASA Glenn Research Center’s Plum Brook Station (PBS). The work included a new main gate designed to slow the flow of traffic, crash resistant fencing and K-rated barriers, associated site development and utility installation. AEC was part of a team responsible for preparation of the concept design and construction documents for this project. The project was designed as a Net Zero energy facility with an overall efficiency of 50% compared to ASHRAE baseline standards. Total estimated construction cost for the facility is $6.0M. The building was designed to achieve a LEED Silver certification through the United States Green Building Council (USGBC).
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