Top Guard Truncated Domes for FDOT contract T2562 in Middleburg (Clay County) July 31, 2017 Posted by on July 31, 2017January 31, 2018 Top Guard yellow truncated domes installed +/-1000 sq.ft. along Blanding Blvd in Middleburg (Clay County) for FDOT contract T2562. Hubbard is prime, VIA consulting is CEI.