Without trying to teach granny to suck eggs;
You will need to look at how steep the resultant incline is when piers are used,
Depending on the length of run previous to and the total rise of track, the incline may be too steep for a locomotive to successfully climb it.
What is the maximum pier height you intend to use?
How long is the run between level and raised track?
You will need to look at how steep the resultant incline is when piers are used,
Depending on the length of run previous to and the total rise of track, the incline may be too steep for a locomotive to successfully climb it.
What is the maximum pier height you intend to use?
How long is the run between level and raised track?