PORTLAND — Harriman architecture and engineering firm recently received a Citation Award from the Maine Chapter of the American Institute of Architects for their design of 123 Middle St. in Portland.

The biennial awards program recognizes the best of Maine architecture juried by a group of prominent, nationally recognized architects. Thirty-four entries were submitted to the 2010 AIA Maine Design Awards program; seven projects were recognized for design excellence. The awards ceremony was recently held in Portland where Patrick Costin was presented with the award.

Harriman has offices in Portland and Auburn, and Manchester, N.H.,