They directly says that the regulations are to prevent developers from building an apartment building and run it like a hotel or prevent an investor from buying a bunch of single family houses just to rent them out and disturb the neighbourhood.

(https://www.portlandoregon.gov/pbem/58572)  In that case, bolting might not do much to prevent total destruction. 

My lease has language that covers partial payment, says any partial payment does not prevent on going eviction.

Once to twice a year exterior only and even that is "preventative". 

Tell your city that you don't need a contractor and will pull it as owner builder, there is no law that will prevent you from pulling it if it is under your name, and you will be living on it at least one year after completion.

In scenario A, you'll likely get them scared first, and that could prevent them from ever considering it.

2)  Do I have enough cash to prevent loss to superior lien foreclosure?

If not, then I'd have it sprayed with some mold prevention stuff too. 

I would like to use the meters as a stick to prevent any abusive behavior from tenants.

@Neil Goradia In my experience, when a buyer or seller tries to influence the appraiser by suggesting comps or something else, it usually backfires as the appraiser then tries to err on the side caution to prevent any potential appearance that their opinion was swayed.