Maryland: Elm Street Development, acting as developer, designer and general contractor, has started constructing the Lingamore Apartments in Frederick. The five-story, 681,000-sq-ft building will contain 538 apartments. The project is valued at $57 million. Elm Street Development, Attn: Jason Wiley, Vice President, 1355 Beverly Rd., McLean, Va. 22101. DR#15-00418763.

Pennsylvania: Neshaminy Constructors Inc. has started rehabilitating three century-old bridges on SEPTA’s Media-Elwyn Line. The project entails rebuilding viaducts over Cobbs, Ridley and Darby creeks in Delaware County. The project is valued at $16.1 million. Neshaminy Constructors Inc., 1839 Bustleton Pike, Feasterville Trevose, 19053. DR#15-00415762.

Utah: Wadman Corp. has started constructing a new building on the Salt Lake City campus of the Utah Schools for the Deaf & Blind. The two-story, 48,000-sq-ft building will contain specialized classrooms, administrative space, and a gym. It was designed by Jacoby Architects. The project is valued at $12.7 million. Wadman Corp., 2920 S. 925 W., Ogden, 84401. DR#13-00458365.

BID, PROPOSAL DATES

Colorado 9/10:  The City of Thornton is requesting proposals for owner’s adviser services for a project to replace the Thornton Water Treatment Plant. The project will replace the existing 20-million-gallon-per-day-capacity plant, with the potential to expand to 40 mgd. The project may include the design and construction of lagoons at the new site. The goal is to have the replacement plant operable in 2018. The project is valued at between $25 million and $50 million. City of Thornton, Attn: Nancy Vincent, City Clerk, 9500 Civic Center Dr., Thornton, 80229. DR#15-00598771.

Montana 9/18: Malmstrom Air Force Base is seeking bidders to repair Building 1840. The project entails remodeling administrative areas, replacing and modifying all the existing mechanical systems, and demolishing and constructing a new flammable storage facility in close proximity. The project is valued at between $5 million and $10 million. Malmstrom Air Force Base, Attn: Mark Jefferson, Contracting Officer, 7015 Goddard Dr., Malmstrom AFB, 59402. DR#15-00507211.