Things you need to know about Naperville carillon
Total cost: $7.1 million
Project began: 1997
Donors who supported the bells and tower: At least 137
Phase 1 completion: June 2000
Phase 2 completion: July 2007
Architect: Charles Vincent George Architects of Naperville
Civil engineer: Roake and Associates of Naperville
Structural engineer: McCluskey Engineering Corp. of Naperville
Phase 1 contractor: Schramm Construction Co. of St. Charles
Phase 2 contractor: Bovis Lend Lease of Chicago
Bell foundry: Royal Eijsbouts foundry in The Netherlands
Pillars: 4 of them represent Naperville's core values of family, education, community and commerce
Tower height: 160 feet
Tons of structural steel: 70
Cubic yards of concrete: 800
Precast stone pieces: 185
Bells in the lower belfry: 10, including the 5½-ton, $70,000 Big Joe
Bells in the upper belfry: 62
2017 maintenance and operations cost: $126,366, paid by the city of Naperville to the Naperville Park District
Carillon tour cost: $3