6525 HARDESON RD BASE FILE 2016-01-01 MF Import

Where soil characteristics are suitable and other site conditions do not preclude their use, roof runoff systems desi3ned and constructed in accordance with City standards should be used to infiltrate :-oof tup runoff to the maximum extent practical. The portion of the roof runoff muted to these systems should be designed so that the volume of water infiltrating into the ground on the site after development matches, as closely as is feasible, the volume of water infiltrating into the ground under existing conditions. 9. All runoff an� detention facilities must be designed in accordance with Ciry standards, and should be sized to meet the requirements of all future expansion on the site. 10. The developer must contacr the Industrial Pretreatment Division of the Public Works Department to determine if a permit is required prior to application for building permits. If the future use of the sire will result in the potential for aceidental spills of ch2u��ca;c. including oils or fuels, to the city's sanitary sewer, an Accidental Spil! Prevention Plan will need to be prepared per �he direction of the ciry of Everett's Ir.�ustrial Pretreatment Program. I 1. All chemicals or products of a hazardous or toxic nature that may be used or stored on the site must be stored under cover and isolated fzom the storm drainage system. l2. Future uses of the site must comply with all city policies and regulations preventing contamination of surface waters, including ordinance 1750-90, the Surface Water 5ystem Ordinance, and subsequent updates to the ordinance. 13. Any grading/fill on this site shall be done so as to not impact the surrounding propenies. 14. Ciry Streets are to be kept clear of dirt and debris at all times during the construction. Dust suppression and street cleaning must occur as directed by the Public Works Inspecror. 15. All exposed ground must be reseeded within 30 days of the completion of construction. If reseeding is not practical due to weather or seasonal problems, the ground must be covered with mulch as directed by the Ciry Engineer. 16. Temporary erosion control measures for construction activity must be operational prior to commencement of any clearing or eanhwork. 17. Any broken or damaged sidewalk shall be repaired/replaced per the City Public Works Inspector. 18. A one-year warranty is required on the p�blic improvements for an amount not less than 10% of the cost of construction and shall run for one year from the date of final approval/issuance of the first Occupancy Permit for the project. l9. A two-year guarantee is required for private retention/detention or other drainage treatment/abatement facilities serving areas larger than une acre. ?0. On-site watermain will be staked within an easement to the City. The easement must be submitted to the Ciry prior ro the issuance of permits.