The following meetings are held at City Hall, 54 Hill Street, unless otherwise noted. Thursday, Sept. 5 Cooperative Educational Services, 3 p.m., CES, 40 Lindeman Drive, Trumbull. Purchasing - Bids, 3 p.m., City Hall Room 104. Friday, Sept. 6 Valley Transit District, 8:30 a.m., VTD, 41 Main St., Derby. Monday, Sept. 9 Public Improvement Building Committee, 6:30 p.m., City Hall Room 104. Community Garden Committee, 7 p.m., City Hall Room 104. Tuesday, Sept. 10 Republican Primary Day SEDC Executive Board, 8 a.m., SEDC, 475 Howe Ave. Senior Committee, 3:30 p.m., Shelton Senior Center, 81 Wheeler St. Housing Authority Commission, 5:30 p.m., Sinsabaugh Heights Shelton. Library Board, 6:30 p.m., Plumb Memorial Library, 65 Wooster St. Officers\u2019 Council, 7 p.m., Company 4, 722 Long Hill Ave. Naugatuck Valley Health District Board of Directors, 7 p.m., Valley Health District, 98 Bank St., Seymour. Wednesday, Sept. 11 Special Purchasing - Bid Openings, 1 p.m., City Hall Room 104. WPCA, 7 p.m., City Hall 305. Planning & Zoning Commission, 7 p.m., City Hall Auditorium. Thursday, Sept. 12 Inland Wetlands & Watercourses Commission, 7 p.m., City Hall Room 303. Full Board of Aldermen, 7 p.m., City Hall auditorium. Friday, Sept. 13 Planning & Zoning Downtown Subcommittee, 9 a.m., SEDC, 475 Howe Ave.