div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: couplings consist of an elastomeric compound gasket ASTM C-564 type couplings met the applicable requirements of IGC 257-2009a entitled src=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: couplings consist of an elastomeric compound gasket ASTM C-564 type couplings met the applicable requirements of IGC 257-2009a entitled src=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: couplings consist of an elastomeric compound gasket ASTM C-564 type couplings met the applicable requirements of IGC 257-2009a entitled src=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: couplings consist of an elastomeric compound gasket ASTM C-564 type couplings met the applicable requirements of IGC 257-2009a entitled src=https:reader042fdocumentsinreader042viewer20220218215b08f6f57f8b9a93738d2ee3html5thumbnails4jpg width=142 height=106 layout=responsive amp-imga...