Patent ID: 8713873

Claim:
A column assembly comprising: a shaft including a longitudinal axis; a capital assembly configured to receive an upper end of the shaft; a base assembly having a central opening configured to receive a lower end of the shaft; an indexing member configured to align with the longitudinal axis of the shaft and to engage with the capital assembly; a plumb bob configured to be suspended from a center of the indexing member; and a centering target associated with the base assembly and adapted to provide a visual indication of a center of the base assembly for aligning the base assembly with the plumb bob when the plumb bob is suspended from the center of the indexing member; wherein the capital assembly comprises: a capital having a top wall that extends over a top end of the shaft, said top wall including a substantially planar upper surface; and an alignment opening formed in an upper surface of the top wall and configured to receive the indexing member, such that the indexing member vertically aligns the capital when engaged in the alignment opening and the capital vertically aligns the shaft.