Tower scaffolds have to abide by the standard required for all types of scaffolds, eg dual guardrails, toeboards, bracing and access ladder. https://acovxcgewrlaeldz2ozmjvfph7jwmktppny6qyloj34Eecpphbbq.cdn.ampproject.org/c/bbs.Pku.edu.cn%2Fv2%2Fjump-to.php%3Furl%3Dhttps%3A%2F%2Fbeckenhamscaffolding.co.uk/