Tower scaffolds have to comply with the requirement needed for all types of scaffolds, eg dual guardrails, toeboards, bracing and accessibility ladder. https://ethlc6yrsuqq4ul4hqi3cmrhnvd7i5zpssunhxmcmcd4jmo5ueba.webpkgcache.com/doc/-/s/xn--80adec2ampndbs9h.Xn--p1ai%2Fuser%2Fnoisechina4%2F