9509 19TH AVE SE 2018-01-02 MF Import

Any grading/fill on this site shall be done so as to not impact the surrounding properties. This project must comply with the current City of Everett Building Coda for the construction of the maintenance building. 5. City streets and alleys are to be kept clear of dirt and debris at all times during construction. Dust suppression and street cleaning must occur as directed by the Public Works Inspector. 6. A two year guarantee is required for private retention/detention or other drainage treatment/abatement facilities serving areas larger than one acre. 7. As-builts of the storm sewer system will be required to be submitted per City Desion and Construction Standards and Specifications for Development. 8. Any broken or damaged sidewalk shall be repaired/replaced per the City Public Works Inspector. 9. Temporary erosion control measures for construction activity must be operational prior to commencement of any clearing or earthwork. 10. Access to the new parking area must be through the existing parking lot. No access will be allowed to 21" Drive SE. 11. Lack of comment on the attached drainage report and plans does not indicate approval of these documents. The City of Everett reviews drainage reports and plans as a part of the construction plan approvals. 12. Storm water treatment is required when 5,000 square feet or more of hydraulically - connected pavement is created and/or redeveloped by a project. Treatment of storm water runoff from hydraulically -connected pavement must occur, per City standards, prior to discharge of the storm water from the site, or to a stream, wetland, or underground infiltration system. .If suitable soils exist on ;ne site, surface storm water infiltration systems (e.g.. pervious pavers or surface poncing areas and/or swales) may be used to avoid creating hydraulically -connected pavement from a storm water treatment standard. From a storm water treatment standpoint, for a paved area to be considered hydraulically -disconnected, storm water runoff rom at least the 6-month, 24-hour storm must be fully retained and/or infiltraied. The options for treatment of runoff from hydraulically -connected pavement are: a. An infiltration basin with pretreatment if suitable soils exist on the site b. A wetpond C. A constructed wetland d. A storm water technology that has received a GULD (General Use Level Designation) from the Washington State Department of Ecology for either basic or enhanced treatment, with pretreatment`