My situation feels like a 747 with engines out, trying to maintain altitude.  

Also, certain demolition like removals of load bearing walls will require engineers and or an architect.

I asked how can I get confirmation that the new language is acceptable by their engines. 

As a software engineer, I was wondering if there's any gap in current real estate investing tooling/software?

I work as a software engineer but I'm looking to grow a real estate portfolio to build additional income and wealth over the long term.

But that is not a "cost segregation" A cost segregation is a 20-30 page document that gets included with the properties taxes that is requires an engineers approval. 

Another option would be to have an engineering firm do the inspection but costs for that can be pretty steep and generally are not necessary unless you are looking at an extremely large or otherwise complicated structure.

Paver said he can no longer excavate due to the SW plan from Civil Engineer.

I have a Bachelora degree in Petroleum Engineering from Missouri University of Science and Technology.

Then you'll need an architect / engineer to draw up the plans for you, they'll be lots of site work and you'll need a builder like me to handle construction for you.