Venice's J.E. Charlotte Construction Corp. recently began work on a 2,700-square-foot psychiatric unit expansion for Centerstone of Florida Inc., a nonprofit that offers mental health and addictions care. Slated for completion this August, construction on the $540,000 project began this month. The construction management team will perform a complete renovation of the existing south wing of the former Manatee Glens campus, located at 2020 26th Ave. E., Bradenton. The reconfiguration of the existing space will include four bedrooms, a dayroom, a café and an exterior mechanical equipment yard.