div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentsection-a-a-downward-excavation-downward-excavationhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Section A-A Downward excavation Downward excavation loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer202201270161a4277f4f76e54bc92b19dehtml5thumbnails1jpg width=140 height=200 divdiv