Arizona Phoenix Architecture is planning to develop the Sterling Silver Condominiums in Scottsdale. The complex will consist of 18 two-story buildings. The project has been valued at $15 million to $25 million. Phoenix Architecture, 7507 E. Mcdonald Dr., Scottsdale, 85250. DR#12-00615398.

Minnesota Compass Datacenters is planning to build a data center in Shakopee. The facility will consist of four buildings, totaling 90,000 sq ft. The project has been valued at between $10 million and $15 million. Compass Datacenters, 14180 Dallas Pkwy., Dallas, 75254. DR#13-00479991.

Oklahoma Koch Nitrogen, a subsidiary of Koch Industries, is planning to expand its fertilizer plant in Enid. The project entails building a 900,000-ton-per-year urea plant, truck- and rail-loading facilities, and 90,000 tons of additional urea storage capacity. Black & Veatch is the designer, and KBR is the construction manager. Construction is expected to start in October 2014 and be completed by October 2016. The project has been valued at $1 billion. Koch Industries, Attn: Paul Baltzer, Project Manager, 4111 E. 37th St. North, Wichita, Kan. 67201. DR#13-00525313.

West Virginia, virginia, North Carolina Dominion Resources, Duke Energy, AGL Resources and the Piedmont Natural Gas Co. are planning to build the Atlantic Coast Pipeline. The 550-mile-long pipeline will bring up to 1.5 billion cu ft per day of natural gas from the Marcellus and Utica shale formations from Harrison County, W.Va., through Virginia to Robeson County, N.C. The pipeline will be 42 in. in dia in West Virginia and Virginia, 36 in. in dia in Hampton Roads and 20 in. in dia in North Carolina. The project also includes three compressor stations. The final pipeline route has not yet been selected. The project's cost is estimated at $5 billion. Dominion Virginia Power, 701 E. Cary St., Richmond, Va. 23219. DR#14-00610702.

Arkansas The U.S. Army Corps of Engineers has awarded a $10.8-million firm-fixed-price contract to Pine Bluff Sand and Gravel Co. to place 378,000 tons of R-1500 riprap along designated sections of the Oldtown Revetment in the Mississippi River, in Phillips County, near river mile 643. Pine Bluff Sand and Gravel Co., 1501 Port Rd., Pine Bluff, 71611. DR#14-00596666.

New York The U.S. Army Corps of Engineers has awarded an $18.9-million firm-fixed-price contract to Kokosing Construction Co. Inc. to repair damage, caused by Superstorm Sandy, to the Oswego Harbor breakwater. Repair work to the 800-ft-long detached wall will entail grading the existing lake bottom and placing bedding, under-layer and armor stone. Furthermore, the northern 300 ft of the wall will have 16 tons of dolosse, instead of armor stone. Kokosing Construction Co. Inc., 17531 Waterford Rd., Fredericktown, Ohio 43019. DR#14-00589239.

Texas Hill & Wilkinson has begun constructing the Parkland Clinic at Hatcher Station Village in Dallas. The single-story, 44,000-sq-ft building will be located at 4600 Scyene Rd. Frazier Revitalization Inc. is the owner, and BOKA Powell Architects is the designer. The project's value has been estimated at $19 million. Hill & Wilkinson Inc., 2703 Telecom Pkwy., Richardson, 75082. DR#14-00632371.

Alaska 10/8 The U.S. Army Corps of Engineers is seeking bidders to carry out Valdez Harbor navigation improvements. The work encompasses the construction of an entrance channel and 3,100 ft of rubble-mound breakwater that, together, occupy 14 acres. The project also involves dredging and disposal of about 339,000 cu yd of material, which will be disposed of in deepwater. The project is valued at between $10 million and $25 million. U.S. Army Corps of Engineers, Attn: Yolanda Ikner, Contract Specialist, P.O. Box 6898, Joint Base Elmendorf-Richardson, 99506. DR#12-00655703.

Oregon 10/21 Umpqua Community College is seeking bidders to construct a health, nursing and science building on its Winchester campus in Roseburg. The two-story, 39,480-sq-ft building will hold the nursing, dental and science programs. The first floor will include a dental lab, medical mediation classrooms, a nursing skills lab with seven skills beds, and faculty offices. The second floor will include a chemistry lab, an anatomy-physiology lab and three classrooms. The project is valued at $17 million. Umpqua Community College, 1140 Umpqua College Rd., Roseburg, 97470. DR#14-00617539.