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Riverside Road will be interconnected with drain pipes to equalize the pumps' drainage <br /> capacities and accommodate the 100-year overflow event required by the city of Everett <br /> General Transfer Agreements. <br /> One of the adjacent lots will include a drainage pipe stub extended from two existing outfalls (8- <br /> and-12-inch diameter)east of the 8th Street cul-de-sac. Within the 200-foot shoreline setback, <br /> these outfall pipes will be slip-lined to restore and improve their drainage discharge capacity. <br /> The 8-inch outfall pipe, 50 feet inland, may require replacement to a new manhole structure <br /> from where a new storm pipe will be extended to provide drainage service to the adjacent lot <br /> development. An existing sewage lift station located inland from the riverbank, in the vicinity of <br /> the above-mentioned outfalls, will be relocated east of the cul-de-sac, outside the 200-foot <br /> shoreline setback boundary line. <br /> The site will be fully stabilized in the final condition through paving, landscaping, and seeding. <br /> It has been determined that there are areas of existing residual soil and groundwater <br /> contamination within the work limits of this project. A"Soil and Groundwater Management Plan" <br /> has been prepared and is included as Appendix G of this report. <br /> Page IS <br />