ARIZONA Developer Garfield Traub has announced it plans to build a 525-room hotel in Tucson, adjacent to the convention center. The 25-story, $167-million hotel was designed by the DLR Group. Its facade of multicolored concrete is intended to resemble layers of rocks found in the nearby Sonoran Desert. The project will include a 55,000-sq-ft exhibit hall and meeting space. The general contractors will be Turner Construction Co. and Sundt Construction Inc. Sheraton Starwood Hotels will operate the hotel. Construction will begin this year, and the hotel is scheduled to open in 2012. Sundt Construction, 2620 South 55 St., Tempe 85282.

ILLINOIS The Mundelein high school district has announced it will expand its combination middle/high school campus. The project will include 18 new classrooms, eight science labs, a new 750-seat auditorium, and gym.The project is valued at $79.8 million. Mundelein High School District 120, 1350 West Hawley St., Mundelein 60060.

MICHIGAN Oakwood Healthcare Inc. will expand its Oakwood Canton Medical Campus and add a physician medical facility. The project will be carried out in phases, and is valued at more than $50 million. Oakwood Healthcare Inc., 4420 Venoy Rd., Wayne 48184. DR# 08-00605667.

COLORADO Creative Times Inc. was awarded a $23.4 million firm-fixed-price contract for the construction of a physical fitness facility at Fort Carson by the U.S. Army Corps of Engineers. The project is to be completed by January 2011. Creative Times Inc., 2652 Commerce Way, Ogden, Utah 84401.

HAWAII 8/12 Architects Pacific Inc., 938 Kapahulu Ave., Suite C, Honolulu, 96816, laboratory. A two-story, 16,652-sq-ft advanced radar-detection laboratory including a radar tower turret, data processing room and parking, located at the Pacific Missile Range Facility at Kekaha. The contract is estimated at $20 million to $30 million. Architects Pacific Inc., 938 Kapahulu Ave., Suite C, Honolulu 96816. DR# 09-00549584

SOUTH CAROLINA 8/12 NAVFAC Southeast, P.O. Box 30, Jacksonville, Fla. 32212-0030, dormitory. A two-story, 54,300-sq-ft, 144-room dormitory at TAC Shaw Air Force Base at Sumter, S.C. The heating and cooling will be provided by heat pumps and a geothermal vertically drilled earth-heat-exchanger system. The project is funded by the American Reinvestment and Recovery Act. The contract is estimated at $10 million to $19 million. NAVFAC Southeast, P.O. Box 30, Jacksonville, Fla. 32212. DR# 09-00597081

MICHIGAN 8/13 Howorth & Associates, 115 Courthouse Square, Oxford, 38655, research park. Two one-story buildings, totaling 8,652 sq ft, containing an innovation center for the University of Mississippi. The $19-million project includes construction of connecting roads and a medicinal plant garden. Howorth & Associates, 115 Courthouse Square, Oxford, 38655. DR# 08-00567941.

ILLINOIS 8/18 Baxter & Woodman Inc., 8678 Rield Rd., Crystal Lake, 60012, wastewater treatment plant. A 4-million-gallon-per-day wastewater treatment plant located in Itasca. Project includes a submersible raw sewage pump station, approximately 2,400 lineal ft of 14-in. and 24-in. force mains, a chemical feed building, a sludge building and aerobic digestion tanks. The project is valued at $35 million. Baxter & Woodman Inc., 8678 Ridgefield Road, Crystal Lake, 60012. DR# 08-00580884.