The Vortechs space efficient hydrodynamic separator is the stormwater treatment solution for watershed management and runoff needs. Choose Vortechnics hydro-brake to manage stormwater flow.

Shelley Engineering is a structural consulting/engineering firm in Portland, Maine. Established in 1991, Shelley Engineering provides services to architects, building owners, contractors, and steel fabricators. The firm's success is based on doing excellent work at a very competitive rate.