Reading this thread is very interesting. I think we can safely say that there is no one right way of performing this function. One needs to establish an SOP that works for them. If I think back to my first surveys doing F2F, I cringe. I was self taught, so I did a lot of stupid things starting out on my first few surveys.
I have eliminated top and toe codes from my list and substituted a single breakline (BL) code.
I mostly do the same thing (though I use GB for "grade break" instead of BL), except sometimes when cross-sectioning a ditch with a lot of breaklines.?ÿ In that case I might start with TOP1, then GB1, GB2, etc. and finish with TOP2.?ÿ It helps me keep the strings straight in my head.
Part of it is personal preference and part is local conditions. For instance, headwalls, box culverts, and concrete lined ditches are a big deal in Oklahoma. They hardly exist in Oregon.
?ÿ
