The notation on all the measurements should be single tick (') for feet...unless you meant it to be in inches :-) https://en.wikipedia.org/wiki/Foot_(unit)#:~:

The notation on all the measurements should be single tick (') for feet...unless you meant it to be in inches :-) https://en.wikipedia.org/wiki/Foot_(unit)#:~:text=The%20IEEE%20standard%20symbol%20for,denoted%20as%202%E2%80%B2%204%E2%80%B3 https://en.wikipedia.org/wiki/Foot_(unit)#:~:text=The%20IEEE....