receiving slot 60 is formed in outer diametric surface 45 bucket receiving slot 60 supports plurality of rotating airfoil members 26 about outer diametric surface 45 bucket receiving slot 60 includes a bucket mounting opening 63 and interior cavity 66 formed in rotor wheel body 40 each of the plurality of rotating airfoil members 26 includes a base portion 72 fig3 that supports an airfoil portion 73 and a mounting member or dovetail 74 airfoil portion 73 includes a ring element 75 that forms part of a circumferentially extending rotor ring 76 dovetail 74 is shaped to nest within bucket receiving slot 60 each of the plurality of rotating airfoil members 26 is guided into bucket receiving slot 60 and manipulated into position once all buckets are installed a closure bucket 80 is installed into bucket receiving slot 60 and held in place by mechanical fasteners or grub screws 82 and 84 such as shown in fig4 over the course of time steam turbine 4 may be taken offline for maintenance and or repair maintenance includes an inspection of the buckets during operation a bucket s may become damaged the damaged bucket s is removed and replaced removing the damaged bucket first requires removal of the closure bucket 80 which may itself be damaged in accordance with an aspect of an exemplary embodiment removal of a damaged closure bucket 80 includes removing grub screws 82 and 84 and airfoil portion 73 as shown in fig5 to expose an upper surface 90 of base portion 72 after removing airfoil portion 73 a.