Office

PLANO — Tyler Technologies has begun construction on its new 142,000-square-foot corporate and division headquarters, located at 5101 Tennyson Parkway in Plano. KDC will develop and manage the construction of Tyler's 26-acre campus. The property is slated for an August 2013 completion. The campus will feature a three-story, 82,000-square-foot office building connected to a 60,000-square-foot building via a transparent ground-level walkway. HKS Architects is the project designer, Hill & Wilkinson is the general contractor and BLUM Consulting Engineers, Brockette, Davis & Drake Engineers and TBG Landscape Architects are also working on the project.

PASADENA — The Houston Area Safety Council (HASC) has broken ground on Phase I of its 67,000-square-foot training campus, located at 5213 Center St. in Pasadena. The new property represents a two-year initiative to expand HASC's safety training capabilities to handle the overflow of the Deer Park headquarters. Kirksey Architecture designed the property and Tellepsen Builders will build the facility, which is slated for a 2013 completion. The training facility will feature a 220-seat auditorium with stadium seating, computer lab with 725 workstations and parking for 800 vehicles.

DALLAS — HollyFrontier Corp., a Fortune 500 company, has signed a lease for an additional 14,203 square feet of office space for a total of 60,045 square feet at 2828, an 11-story office tower located in Dallas' HARWOOD district. Bill McClung and Mike Wyatt of Cushman & Wakefield represented the tenant in the lease transaction. Harwood was self-represented by Jihane Boury and Peter Sleiman. The lease transaction brings 2828 tower to 97.5 percent occupancy.