NORTH DIKE UPGRADES CONCEPT PLAN - LYNAS LANE TO NO. 2 ROAD

continue to meet the needs of the community as it grows. Analysis At an average of one metre above sea level, Richmond faces flood hazards from sea level rise due to climate change, coastal storm surges, snowmelt flooding and extreme weather events. The City recognizes this risk and is currently advancing flood protection projects, including perimeter dike upgrades such as the North Dike Upgrades - Lynas Lane to No. 2 Road project. The key objectives for this dike reach outlined in the Dike Master Plan Phase 2 include: • Raise the dike by approximately 1. 7 metres in elevation to meet the projected year 2100 flood levels while also allowing for further future height increases; • Raise River Road to improve dike stability and resilience; • Widen the dike on the land side rather than into the Fraser River; and • Raise the dike on its existing alignment. The expansion of the dike footprint to meet these objectives is critical for the successful implementation of flood protection infrastructure upgrade plans. This proposed preliminary design was developed following the objectives outlined above. The design includes raising the dike elevation from the current elevation by approximately 1. 7 metres along the dike reach from Lynas Lane and No. 2 Road. The project location map is shown in Figure 1 below. 7672407 PWT - 14

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