I see a lot of these, some have cheezy alum turnbuckles like you would use on a clothes line Agree with Greg, and they need to be installed at 45 degree angle also. For my report (here in WA): Tiedowns installed likely met the standards when they were installed, They do not meet todays seismic tiedown standards. A structural engineer needs to evaluate and offer remedies if you need a foundation certification.