The two story structure is supported on shallow foundations with a concrete slab-on-grade and masonry stem walls. The composite steel framed second floor is supported by a combination of load bearing masonry and structural steel framing. The multi-stepped and sloped roof is framed with open web steel joists and structural steel framing. Steel brace frames and concrete masonry shear walls provide lateral support for the building. The exterior walls are a combination of masonry and light-gage metal infill stud walls that back the crushed face masonry and metal panel veneers. Additional steel framing was included around all openings for force protection. The second floor features an open-air, covered balcony framed with weathered steel and a stepped floor slab for “theater” style seating in the main briefing room.
This project was a new 40,000 sf, 2 story, 50 unit addition. The addition included a drive up area with a covered porte-cochere. Floor was framed with widely spaced composite steel beams supported on the loadbearing cmu walls. Roof framing consisted of engineered metal trusses supporting metal deck. All structural components complied with the DOD Minimum Antiterrorism Standards for Buildings requirements
This structure is a 4 story building with berthing accommodations for 264 students. It has 6 simulation and immersion centers, 6 ready rooms with full electronic classroom capability, 6 joint operation centers servicing as coordination and control spaces, 6 joint intelligence centers creating synthetic learning environments, 2 5,000 sf simulator bays, a full service kitchen and mess deck dining facility.
The Hurlburt Dormitory is a new 23,136 sq ft, two-story, housing facility for Hurlburt Air Force Base. The building is a steel frame structure supporting a metal roof deck on open-web metal joists. The second floor is a steel composite floor system. The walls are framed with light gage metal studs. Lateral support is provided by steel braced frames. Some of the unique design features are the use of slender steel columns to fit inside the interior walls and limit intrusions into the useable floor space. This included additional framing over open floor spaces such as the multi-purpose and mechanical rooms.
This is a new dining facility for NAS Meridian, MS. The building is a primary gathering facility designed for open spaces with a modern look and updated kitchen and storage facilities. The building is framed with open web bar joists supported by structural steel framing. The building is enclosed by reinforced concrete masonry walls that act as the main lateral load resisting system. The non-load bearing masonry walls also provide adequate force protection for the limited stand-off distances allowed by the site. A key structural feature is the roof top mechanical equipment. In order to limit the visibility from the road, the equipment was recessed into the roof framing and set on a concrete deck. The recessed was framed with structural steel trusses with the bottom chord supporting the concrete slab and the top chord supporting the roof framing.
The two story facility is framed structurally with composite steel/concrete elevated floor construction, joist and metal deck at typical roof systems with long-span joists and acoustic decking at gymnasium roof. A jogging track is suspended off the long span joists along the perimeter of the gymnasium. Lateral support for the building is provided by concentric braced frames. The building is supported on shallow spread foundations.
Consolidated Club and Visitor's Center
This building is a 64,000 SF, 2-story Visitor’s Quarters with 120 guestrooms, business center and other related amenities (including food service) connected to a 20,000 SF, 1-story Consolidated Club facility with 3 large banquet rooms, 2 meeting rooms, bars and supporting full-service food preparation kitchen facilities. The hip roof consists of structural metal deck on steel open web bar joists and custom steel trusses. The lateral force resisting system is comprised of 8" cmu shear walls in the area of the Visitor's Quarters and steel diagonal bracing in the area of the Consolidated Club. Exterior walls are steel beams and columns with 6" and 8" light gauge metal stud infill. The elevated floor system in the area of the Visitor's Quarters is comprised of a composite concrete slab and steel beam system. Separating the Visitor's Quarters from the Consolidated Club is an 8" cmu firewall with a maximum height of 30 feet. This building includes extensive exterior concrete patios and a covered drive-thru / drop-off structure.
Joint Operation Planning Facility:
This is a 16,000 SF, 1-story building providing an environment in which to conduct secure, classified briefings, planning sessions and other operationally sensitive meetings. The hipped, multi-level roof consists of structural metal deck on steel open web bar joists supported by steel beams. The lateral force resisting system is comprised of 8" cmu shear walls continuous around the perimeter of the building, spanning from the foundation to an elevation of 12' 4" above finished floor. The cmu walls do not support the roof structure. Roof support is provided by steel columns interior of the cmu walls and steel beams.6" and 8" light gauge studs provide infill of exterior walls above the 12'-4" elevation. Two covered drop-off areas are included with this building.
This facility is a two story building with steel and masonry structural building components. The exterior walls of the building are 8" nominal non-loadbearing masonry walls with CMU bond beams at the second floor and roof. The masonry walls are anchored into second floor and roof diaphragms and serve as the building shear wall system. The second floor framing is composite steel beams and composite steel deck with concrete fill supported by structural steel columns. The roof is framed with structural steel trusses, beams and joists supporting metal decking.
This project consisted of the design and construction of a complex of buildings located in Ft. Bragg, NC. The complex included two buildings, four open air practical experience labs, and two storage pavilions, for a total of eight structures. Structural Engineer of Record, Mr. Joe DeReuil, provided full structural design services from conception thru completed construction, including pricing documents for framing options, full construction documents, construction administration, and construction repairs as required.
The General Instruction Building is a 19,464 sf steel framed building. The building consists of three gabled wings, which all use gable shaped joists to create the ridge. The center wing pops up above the other two wings, which are perpendicular to the center wing and extend out on either side. The building was designed to resist both wind and earthquake loads for the region, as well as to meet anti-terrorism force protection requirements. The structure utilizes moment frames in orthogonal directions as the lateral load resisting system, which had to be designed to fit into the walls to avoid furring out. Additionally, the gable shaped joists in the west wing had to be designed to carry a hanging partition, taking into account the strict deflection criteria of the partition and the effect of the stacking load that occurs when the partition is opened.
The General Storage Building is a 17,500 sf pre-engineered metal building with an interior mezzanine as well as a covered open air storage area. The main building utilizes rigid frames for the lateral load resisting system. Full length hairpins were used in order to offset the thrust of these frames. The interior mezzanine is a steel framed structure with concrete slab on metal deck for the floor system.
The open air practical experience labs and the storage pavilions are all pre-engineered metal buildings, ranging from 450 sf to 2245 sf. All of them utilize rigid frames for the lateral load resisting system, with full length hairpins to offset the thrust from the frames. The plumbing pavilion also incorporated a second floor so that plumbing could be viewed from below the main floor. This floor was framed using steel columns and girders, with wood joists and plywood decking to facilitate easy removal and repair for plumbing exercises.
This project consisted of the design of a steel-framed, dual-structure lifting tower system that can raise a research labratory, equipment and personnel from ground level to 80ft above ground level and lower them back within a time limit of 5-10 minutes. The highest framing members of the tower are 94 ft above ground level. Ultimate design wind speed is 141 mph.
A hydraulic lifting system (by others) with a max design lifting capacity of 20,000 pounds is included in the project. All steel members were hot-dipped galvanized and shop welded connections were used at all possible locations. A stair system for pedestrian access from ground level to the top of the tower was designed integral with the tower. The foundation system for the two tower components consists of two large concrete mats with a max thickness of 4'-3".
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