description_raw: S.A. Comunale to tie into existing system by demoing existing 6" elbow in the gym area, replacing it with a new 6" tee, extending the existing system at the roof level with matching branch line layout to the other side of the building, and drop down with a 2-1/2" main to protect under the new mezzanine that complies to NFPA 13 codes and standards.,Customer Wants To Use ePlans