Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 1: Minimal corrosion at the underside of the South Terrace Photo 2: Minimal corrosion at underside of the South Terrace July 2011 7 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 3: Monotube piles supporting the horseshoe-shaped beams at the North Terrace Photo 4: Severely corroded Monotube pile at the North Terrace July 2011 8 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 5: Corrosion of reinforcing steel on the sides of the horseshoe-shaped beams of the North Terrace Photo 6: Corrosion of reinforcing steel on the sides of the horseshoe-shaped beams of the North Terrace July 2011 9 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 7: July 2011 Tall Monotube piles at the North Terrace with severe corrosion in the splash zone 10 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 8: Severely corroded steel H-pile along the seawall at the North Apron Photo 9: July 2011 Steel H-pile supporting the promenade along the seawall where barnacles have been removed 11 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 10: Example of a 0% rated pile Photo 11: Example of a 50% rated pile July 2011 12 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 12: Pier 58 split in timber pile cap at pile Grids 3/U (photo taken in 2006 – similar in 2011) July 2011 13 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 13: Pier 58 concrete pile cap and Monotube pile (photo taken in 2006 – similar in 2011) Photo 14: Pier 58 crack in concrete pile cap at south terrace (photo taken in 2006 – similar in 2011) July 2011 14 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 15: Pier 58 concrete pile cap and Monotube pile (photo taken in 2006 – similar in 2011) Photo 16: Pier 58 concrete north terrace apron and steel H-pile (photo taken in 2006 – similar in 2011) July 2011 15 Piers 57N/58 Maintenance Plan Update: Waterfront Park Condition Assessment – (WC2429) Photo 17: Pier 58 concrete promenade and steel H-pile (photo taken in 2006 – similar in 2011) Photo 18: Pier 58 concrete firewall (photo taken in 2006 – similar in 2011) July 2011 16