Top Guard Truncated Domes for FDOT T1570 in Okeechobee (Okeechobee County) June 10, 2015 Posted by on June 10, 2015June 6, 2017 Top Guard detectable warnings installed +/-410 sq.ft. along SR 70 in Okeechobee (Okeechobee County). FDOT contract T1570. Ranger Construction Industries as prime.