HARRISON – David Hart, architectural group manager in the Harrison branch office of H.L. Turner Group Inc., has been appointed as an associate of the firm and a senior vice president of Turner Building Science LLC, a division of the Turner Group.

The Turner Group provides a full range of architectural, engineering, building science and construction management services. It is at 26 Pinewood Lane, Harrison, 04040 (www.hlturner.com), and headquartered in Concord, N.H.