It is dangerous & hazardousRear roof overhang has rotted and loose woodReplace defective meter socketInstall emergency lightingInstall covers on junction boxes and outletsExterminate insects and rodentsReplace front stairwell skylightBuilding rear 2 story wood porch 6x6 columns are erected on concrete blocks. 6x6 columns are double cut for rim joists.

The guys you see working on the large erections of steel at a petrochemical refinery. 

The guys you see working on those large erections of steel at a petrochemical refinery. 

Allowing others to grow something probably isn't a problem either except as to your liability and such community gardens seem to be popular.B & C are pretty much in the same rights to use the property so long as you don't erect something that requires a permit.

I finally talked my dentist into making a loan, for something like $30,000, which I used to erect a manufactured home on a lot and sell it.

The guys you see working on the large erections of steel at a petrochemical refinery...welders, fitters, boilermakers, electricians. 

Example, if I have a warehouse with two bays, can I erect a wall and divide it?

Oliver: Having thereon erected a commercial space and dwelling house known as 741 Brownsville Road, Pittsburgh, Pennsylvania 15210.

I know people who erect cages inside their houses in secure neighborhoods so that when (not if), criminals break in, their family are safely behind the cages. 

Now the property owner intends to develop some new homes and is realizing if they go rip up the improvements they could force the prescriptive easement claim.My advise would be to get your survey now (even if it does cost several thousand), and remove the encroachments or make them yours i.e. take ownership and maintain them....erect a new fence to create a boundary that shows your vs. her property something.