Umthetho ‌3 kuya ku-1‌ uwumgomo obalulekile wokuphepha ekwakhiweni kwe-scaffolding, ochazwa kanje:

Isidingo Esiyinhloko
Kuma-scaffolds azimele, ububanzi besisekelo obuncane kumele okungenani bube ingxenye eyodwa kwezintathu (1/3) yokuphakama okuphelele.

Isibonelo: I-scaffold engamamitha ayi-12 ukuphakama idinga ububanzi besisekelo obungama-≥amamitha angu-4.
Indlela Yokuzinza
Lesi silinganiso sivimbela ukugoba ngaphansi kwemithwalo (izisebenzi, izinto zokwakha) noma amandla emvelo (isb., umoya) ngokuqinisekisa ukuthi kunesilinganiso esanele sokumelana nokugumbuqelwa.

Ukuguquguquka kweyunithi
Lo mthetho usebenza kuwo wonke umuntu:

Isilinganiso: Isisekelo semitha eli-1 ukuphakama kwamamitha amathathu.
I-Imperial: Isisekelo esingu-1 foot ukuphakama ngamafidi amathathu.
⚠️ ‌Ukuthobela Imithetho Okubalulekile‌: Ukwephula lo mthetho kwandisa kakhulu izingozi zokuwa. Izinhlangano ezilawulayo (OSHA, EN) ziyawuphoqelela kuzo zonke izinhlelo ze-scaffolding ezizimele.