The following meetings are held at City Hall, 54 Hill Street, unless otherwise noted. Thursday, July 11 Purchasing — Bids, 3 p.m., City Hall Room 104. Full Board of Aldermen, 7 p.m., City Hall auditorium. Board of Ethics, 7 p.m., City Hall Room 104. Friday, July 12 Valley Transit District (VTD), 8:30 a.m., VTD, 41 Main St., Derby. Planning & Zoning Downtown Subcommittee, 9 a.m., SEDC, 475 Howe Ave. Monday, July 15 EMS Commission, 7 p.m., City Hall Room 104. Tuesday, July 16 Zoning Board of Appeals, 7:30 p.m., City Hall auditorium. Lake Housatonic Authority, 7:30 p.m., Derby City Hall, 1 Elizabeth St., Derby. Wednesday, July 17 Board of Education Finance Committee, 5 p.m., Board of Education, 382 Long Hill Ave. Thursday, July 18 Valley Emergency Medical Services (VEMS), 7 p.m., VEMS, 764 Derby Ave., Seymour. Parks & Recreation Commission, 7:30 p.m., Shelton Community Center, 41 Church St.