div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Building Construction SubstructureAbsolute water tightness is not required Cofferdam should be cost effective It should be designed for maximum water level and other destructive src=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp1 p pBuilding Constructionp pSubstructure 13032019pdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Building Construction SubstructureAbsolute water tightness is not required Cofferdam should be cost effective It should be designed for maximum water level and other destructive 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effective It should be designed for maximum water level and other destructive src=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divp4 pdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: Building Construction SubstructureAbsolute water tightness is not required Cofferdam should be cost effective It should be designed for maximum water level and other destructive src=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divp5 pdivdiv class=ts-pagebuttonPage 6button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5page6jpg target=_blank amp-img class=ts-thumb alt=Page 6: Building Construction SubstructureAbsolute water tightness is not required Cofferdam should be cost effective It should be designed for maximum water level and other destructive src=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5thumbnails6jpg width=142 height=106 layout=responsive amp-imga divp6 pdivdiv class=ts-pagebuttonPage 7button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5page7jpg target=_blank amp-img class=ts-thumb alt=Page 7: Building Construction SubstructureAbsolute water tightness is not required Cofferdam should be cost effective It should be designed for maximum water level and other destructive src=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divp7 pdivdiv class=ts-pagebuttonPage 8button div class=ts-image a href=https:reader042vdocumentinreader042viewer20220409015e71d489560b691de25df16ehtml5page8jpg 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