Ramp in front of goals

[2010FRC1126]

Section 6.2.5 of the game manual states that there is a ramp in front of the goals that is 6" tall. Field drawing GE-10033 calls for the height of the ramp pieces to be 6 15/16" plus a piece of material on top of that adding up to roughly 7 1/4" tall. Which is the correct size?

[GDC]

As noted in Section 6.1.1 of The Manual, "the exact dimensions and construction details of the ARENA are contained on the official ARENA drawings." In cases where the dimensions in the official drawings and The Manual are in conflict, rely upon the official drawings.