div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsnetreader042viewer20220406035e9f549b67c93855162ff9bahtml5page1jpg target=_blank img data-url=document-table-112-minimum-ths-of-rrs-from-td-19-dmrb-228-safety-barrier-minimum-fullhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Table 112 Minimum ths of RRS from TD 19 DMRB 228 Safety Barrier MINIMUM full height lengths of safety barrier Containment Level Normal N2 or N2 Higher HI or H2 Very High loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsnetreader042viewer20220406035e9f549b67c93855162ff9bahtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdocumentsnetreader042viewer20220406035e9f549b67c93855162ff9bahtml5page2jpg target=_blank img data-url=document-table-112-minimum-ths-of-rrs-from-td-19-dmrb-228-safety-barrier-minimum-fullhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Table 112 Minimum ths of RRS from TD 19 DMRB 228 Safety Barrier MINIMUM full height lengths of safety barrier Containment Level Normal N2 or N2 Higher HI or H2 Very High loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsnetreader042viewer20220406035e9f549b67c93855162ff9bahtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader042fdocumentsnetreader042viewer20220406035e9f549b67c93855162ff9bahtml5page3jpg target=_blank img data-url=document-table-112-minimum-ths-of-rrs-from-td-19-dmrb-228-safety-barrier-minimum-fullhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Table 112 Minimum ths of RRS from TD 19 DMRB 228 Safety...