Page 294 - Trenchless Technology Piping Installation and Inspection
P. 294

258     Cha pte r  S i x

                                           D


                                      C          A
                                                B

                                          E


                                                Manhole


                                 Flexible manhole
                                 connector


                            HDPE pipe




            Flexible manhole  Manhole (MH)
            connector

           Pipe clamp
                                                            Connector
                          Connector                         assembly
                          assembly:
                          installs inside                 Expander
                          the connector and               device
                          expands to hold
                          the connector
       HDPE pipe          against the wall
                                                           Flexible
                          of the opening
                                                           manhole
                                                           connector
     FIGURE 6.11  Connecting HDPE pipe to new concrete manhole. (Source: Handbook
     of Polyethylene Pipe, 2008.)


                     MH wall
                  Expandable                    HDPE pipe
                  urethane grout

                      Okum








          FIGURE 6.12  Connecting HDPE pipe to existing manhole. (Source: Handbook
          of Polyethylene Pipe, 2008.)
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