div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentpowerpoint-presentation-lift-shafts-tunnels-culverts-service-pits-characteristicshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: PowerPoint PresentationLift shafts Tunnels culverts Service pits Characteristics Between concrete-slab construction Below grade waterproofing of concrete and masonry surfaces loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer20220403045ea3017f0d12c5765860e646html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentpowerpoint-presentation-lift-shafts-tunnels-culverts-service-pits-characteristicshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: PowerPoint PresentationLift shafts Tunnels culverts Service pits Characteristics Between concrete-slab construction Below grade waterproofing of concrete and masonry surfaces loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer20220403045ea3017f0d12c5765860e646html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentpowerpoint-presentation-lift-shafts-tunnels-culverts-service-pits-characteristicshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: PowerPoint PresentationLift shafts Tunnels culverts Service pits Characteristics Between concrete-slab construction Below grade waterproofing of concrete and masonry surfaces loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...