A stop end pipe is normally used at the end of off-link tanks and do not include an access point. They can be manufactured with an inlet and outlet hole at any position with any diameter hole size complete with a seal. The 200mm thick reinforced concrete end wall has a doweled connection complete with a Hydrotite seal, to achieve a waterproof connection.
Stop end manhole are available across the Marshalls CPM standard length pipe range and are classified as a fitting or adaptor within the scope of BS EN 1916:2002.