Role: Tunnel Design Lead; Design Build for Contractor Client: STV Inc. Construction Cost: $1.27 Billion Technology: EPBM Geology:  Soft Ground Dimensions: 20.3 ft ID (6.1 m) Length: 2.6 mi (4.2 km) Depth: 50-70 ft (15-21 m) Project Elements: Twin-bore tunnel in dense urban environment Santa Monica fault – 700 ft wide at 63⁰ Undercrossing critical highway and water […]

Role: Tunnel, Shaft and Station cavern Design – Precast Concrete Liners, Connections and Complex Fault Crossings Client: Aeroports de Montreal Construction Cost: $600 Million Technology: Drill and Blast Geology: Rock Length: 815 ft (250 m) Diameter: 31 ft (9.6 m) with 79 ft (24 m) span cavern Depth: 86-142 ft (26-43 m) Project Elements: Design of cavern under terminal building Access […]

Role: Microtunnel Designer & Construction Inspection/Administration Client: Cole Engineering Construction Cost: $43 Million Technology: Drill and Blast Geology: Rock Diameter: 1,200mm (48 in) & 1,350mm (54 in) Length: 12,476 m & 1,575 m Depth: 14 m (46 ft) Project Elements: Fourteen (14) microtunneling drives Twelve (12) composite curved drives Long microtunneling drives from 180m to 626m Concrete caisson shafts Shallow […]

Role: Owner’s Engineer for tunnel and Access Shaft; Progressive Design Build Client: Ricondo Construction Cost: $140 Million Technology: CSEM, Drill and Blast Geology:  Soil/Rock Dimensions: 22 ft (6.7 m); Tunnel bifurcation up to 48 ft (14.5 m) span Length: 1780 ft (237 m) Depth: 36-55 ft (11-17 m) Project Elements: (x1) Access Shaft – 36 ft ID x […]

Role: SOE Design of Stations; Design Build for Contractor Client: Walsh-Shea Constructors Construction Cost: $1.27 Billion Technology: Cut and Cover Geology:  Soft Ground; Young and Old Alluvium Dimensions: 3 stations, each 806 x 110 ft (245 x 33 m) – 70 ft (21 m) diameter Length: 13,728 ft (4 km) Depth: 67-71 ft (20-21 m) Project Elements: Basis of […]

At Dayton-Wright Brothers Airport, LJB helped bring a vision to life—a new 8,000-square-foot private airplane hangar. The LJB team provided full architectural, civil, structural, and survey services for the facility, which serves as the anchor for new private development at the airport and was thoughtfully designed to meet the owner’s current needs while preparing for […]

LJB provided structural design services for Phase 1 of the Hays Farm Office Park, a three-story, Class A office space in Huntsville, Alabama. Designed for Freedom Real Estate & Capital, LLC, the 54,000-square-foot structure features tilt-up concrete wall panels, large, punched openings, and glazed entryways with cantilevered steel canopies. LJB’s design supported a structural shell […]

This 16-acre site serves as the headquarters for Sprint Transport, which provides bulk liquid transportation along the Gulf Coast. This facility includes a four-story, 18,400-square-foot office building with structural steel and tilt wall construction, with the tallest tilt wall measuring approximately 69 feet tall. Adjacent is a 32,500-square-foot maintenance and tank wash area, supporting truck […]

For a new recycling and manufacturing center in San Antonio, TX, LJB provided structural design for a 131,000-square-foot facility housing tipping, production, and baling operations—ready for high-performance industrial use. The building includes a two-story office and an auxiliary maintenance structure. LJB designed foundations, reinforced concrete slabs, three 50-foot-long equipment pits, and a perimeter push wall […]

At Texas A&M University’s RELLIS Campus, LJB delivered full structural design for the Rellis Data and Research Center—a 45,000-square-foot, two-story data facility supporting cloud services and hands-on learning. The building shell features load-bearing tilt-up concrete panels and a conventional steel-framed structure, with drilled pier foundations and composite slab-on-metal deck systems. LJB’s scope included structural drawings […]

LJB provided tilt-up panel detailing for two large data center buildings—each covering approximately 250,000 square feet. Built for a national online retail company, these two-story facilities were originally planned as flex warehouses but were later adapted to support high-tech infrastructure. LJB delivered dimensioned panel layouts, embed locations, and sealed lift/brace placement drawings to support safe, […]

LJB provided structural engineering for Cold Link Logistics’ warehouse expansion in Sioux City, IA. This 155,000-square-foot addition includes a freezer, swing space, and cold dock area. LJB designed structural steel framing, slab-on-grade floors with insulation, perimeter bracing, and reinforced existing roof joists for added snow drift loads. The team also designed a new egress stair […]