1410 SEINER DR FISHERMAN JACKS 2025-08-21

WATERFRONT PLACE CENTRAL PORT OF EVERETT - PSA 1-2015-005 HYDROLOGIC AND HYDRAULIC REPORT PND No. 154016 - 005.01 3. SITE DEVELOPMENT PLAN WITH ON -SITE STORMWATER MANAGEMENT The existing and proposed developed site is presented in the Fisherman's Harbor — Issued for Bid and Construction Set dated 6/30/2016 and associated Addenda. A copy of the construction plans for the stormwater conveyance and treatment systems are provided in Appendix A. No threshold discharge areas are present on the proposed project site. 4. CONSTRUCTION STORMWATER POLLUTION PREVENTION PLAN The onsite contractor will provide a stormwater pollution prevention plan (SWPPP) and a hard copy of the plan will be onsite at all times during construction. Any proposed SWPPP plans shall be reviewed by the COE for compliance prior to implementation. 5. SOURCE CONTROL PLAN 5.1. TEMPORARY EROSION AND SEDIMENT CONTROL The TESC plan includes the use of silt fence, rock stabilized construction access points, and existing catch basins lined with filter bags to collect and prevent sediment from entering Port Gardner Bay. 5.2. PERMANENT EROSION AND SEDIMENT CONTROL All stormwater systems will be closed conveyances. Stormwater treatment vaults, catch basin and manhole sumps will be designed to trap sediment and minimize sediments entering the Port of Everett Central Marina. Maintenance for outlet protection at the outfalls will include inspection and repair as necessary. 6. SPECIAL REPORTS AND STUDIES The following reports have been utilized in the development of the project stormwater plan. Each report is within the project file and can be provided upon request. • The Snohomish Conservation District produced a report titled, `Feasibility Report for the Port of Everett WaterQuality Retrofit Projects'; prepared by the Snohomish Conservation District • City of Everett Comprehensive Plan Climate Change and Sustainability Element Background Report. " • Stormwater Treatment Alternatives Analysis — Port of Everett Waterfront Place Central at Fisherman's Harbor Report, prepared by Herrara 2016 • Re ort-Geotechnical Engineering Services — Proposed Site Infrastructure — Waterfront Place Central Development, Everett WA, prepared by Landau Associates 2016. 7. OTHER PERMITS Not applicable. 8. PERMANENT STORMWATER CONTROL PLAN 8.1. OFF -SITE ANALYSIS All drainage basins are directly discharged after treatment to Snohomish River. As a result of this direct discharge to large bodies of water, an off -site analysis is not required. A"V