Originally Posted By: rpierson
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4x8 floor joist running east to west supported by piers. About 2/3 of the way the floor joists reduce to 4x6. The 4x8 was bottom notched to sit flush with the 4x6. They both had sufficient bearing. Was just wondering about the notch and structual strength.
The purpose seems to be that the 4x8 section was supporting two stories and the transition to 4x6 was for the single story portion. Common sense asks why not run the 4x8's the extra third? Hmm!