Lub spacing spacings ntawm stair railings yog feem ntau yog raws cov kev cai ntawm "General Code rau kev tsim cov vaj tse", raws li hauv qab no:
Thaum cov tuav zeb ntsug yog siv los ua cov kab hlau rau cov tsev nyob hauv tsev nyob, qhov chaw nyob deb ntawm cov menyuam yaus, thiab cov chaw deb ntawm 0. 11 meters. 11 meter.
Txog cov kab lis kev cai thiab kev lom ze cov tuam tsev, cov vaj tse ua si, cov menyuam yaus sib tw, thaum cov menyuam yaus sib nrug ntawm 0. 11 metres.
Cov kev cai no yog npaj los tiv thaiv cov menyuam los ntawm kev hla kev ntawm cov tsheb ciav hlau thiab xyuas kom lawv muaj kev nyab xeeb. Ib qho ntxiv, tus tsim ntawm Stair Railers kuj yuav tsum tau los txhawm rau txiav txim siab lwm yam kev nyab xeeb, xws li kev tiv thaiv kev nce toj thiab zoo nkauj cuam tshuam.
