Page 13 - AM Retaining Wall -Magnumstone Extenders Technical Manual
P. 13

MAGNUMSTONE EXTENDERS TECHNICAL MANUAL





                          GRAVITY RETAINING WALL INSTALLATION


                                              MagnumStone Block Installation


                          All MagnumStone Units shall be installed and leveled front to back and side to side.
                                                                           152mm    Total depth of units +   152mm
                                                                                     152mm on each end


                                                         152 - 203mm






                                                                                      Compacted 20mm Road Crush


                                        MagnumStone Block and Extender Installation


              Install the MagnumStone base block on the leveling pad. The base block should not have the lugs on the bottom.
                                   Ensure that the blocks are level front to back and side to side.
                          Place the tongue of the extender block inside the groove of the MagnumStone block.
                              If extender to extender blocks are required place them in the same manner
                                    as the previous ensuring that the blocks stay level and true.












         MagnumStone
          Groove Slot                     Extender tongue        Extender to Extender    Place the next row of blocks level
                                             inserted             groove and tongue     and aligned front to back and side
                                          into groove slot           connection                   to side

                                      Backfill MagnumStone Blocks and Extender Units


            Backfilling the MagnumStone blocks and extender units with a clear crush gravel (#57 Stone) slightly above the units.
                   Run a plate vibratory compactor over the stones and units allowing them to settle in the hollow cores.
                                    Sweep any excess stones off the top of the units and blocks.























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