Contract:
Contracted by a Structural Eng. Co. to generate a natural gas, hot & cold water piping system for a 8 unit condominium re-hab. Calculations were needed for pipe sizes, flow rates, and fluid velocities. The total project required 20 drawings (2D & 3D) and 60+ pages of  calculations. This project is being evaluated.
Contract:
Create a report  for an Architect to supply to the local Building Department showing that PEX Piping was the equivalent of copper piping in a residential application.--This project was approved.