div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220215225b2a6b927f8b9a1d5f8b4660html5page1jpg target=_blank img data-url=-bs-en-607-2004-and-bs-12200-2000-provided-they-are-installed-in-accordancehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · BS EN 607 : 2004 and BS 12200 : 2000 provided they are installed in accordance with the Swish Rainwater Installation Guide A604 and BS EN 12056-3 : 2000 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220215225b2a6b927f8b9a1d5f8b4660html5thumbnails1jpg width=140 height=200 adivdiv