Industry research on best practices for water management is needed (eg. tarping, membranes, allowing water penetration and refinishing, etc.).
Image c/o: KK Law
Advice
Example of a mainly successful project: Brock Commons — involved a high degree of collaboration: Integrated Design Process — design offered 3-4 options for every connection, which every stakeholder vetted — invested in building a mock-up, where many problems were solved in advance of construction — the design worked with standard panel sizes
Advice
Tolerances are different for each different trade. Mitigate potential problems with communication in the procurement phase.