Plumbing wasn't an issue for https://en.wikipedia.org/wiki/100_Van_Ness_Avenue https://en.wikipedia.org/wiki/100_Van_Ness_Avenue I think the shape of the build

Plumbing wasn't an issue for https://en.wikipedia.org/wiki/100_Van_Ness_Avenue https://en.wikipedia.org/wiki/100_Van_Ness_Avenue I think the shape of the building matters most.