Compare two Buildings Hot and Cold Water Distribution

Compare two Buildings Hot and Cold Water Distribution 
Part 1
Compare two building hot and cold water distribution , and how to they use different techniques
for sanitary installation , also layout of rooms and sanitary appliances
Part 2
Compare the two building showing drainage system used
https://www.designingbuildings.co.uk/wiki/Hot_water
http://www.level.org.nz/water/water-supply/system-layout-and-pipework/
https://www.sciencedirect.com/topics/engineering/domestic-hot-water-supply
https://www.ny-engineers.com/mep-engineering-services/plumbing-services/cold-water-system-design
https://www.scribd.com/presentation/263599111/Cold-Water-Supply-in-Building
https://fenix.tecnico.ulisboa.pt/downloadFile/395142730853/Extended.pdf