Wow.
That's a lot of pc board ties!
Any specific reason why you're going
all pc board ties?
Having them every 4th or 5th tie would maintain track spacing just fine, and using wooden ties between would be faster/cheaper.
(Not to mention it'd reduce the number of iso cuts down the center
)
And for the turnouts, many of us have found that fewer pc board ties result in better curves & better operating turnouts.
Even on multi-turnout fixtures, you only need a few in key locations:
Looking forward to seeing your progress!