this are unstates to fire safety, energy efficiency and square footage. port engineering performed design and construction management for the pier 31 roof and structural repair project. this building as you can see from the shoring installed was on the verge of collapse, and after a major effort by the project team the structure is repaired and the new roofing will preserve the work completed. again, this is a sample of some of the structural repair projects that resulted in upgrade to the facility rating. i will review the typical damage in the red and yellow tagged facilities focusing on the marine structures. as you can imagine structures over the water experience more rapid deterioration that isn't apparent unless you go and actually inspect it. these images show examples of some of the re-enforces concrete piers in areas currently yellow tagged. saltwater induce -- salt water corrosion causes the concrete cover to fall off. because the piers were originally designed for heavy cargo they can support lighter uses after damage like this occurs. once reb