Ordinance 3168-10 - Laserfiche WebLink

control facilities and/or land use management BMPs in accordance with the City of Everett's Stormwater Management Manual. (1) Projects in which the total of effective impervious surfaces is 5,000 square feet or more in a threshold discharge area (2) Projects that convert three-fourths of an acre or more of native vegetation to lawn or landscape, or convert 2.5 acres or more of native vegetation to pasture in a threshold discharge area, and from which there is a surface discharge in a natural or man-made conveyance system from the site. (3) Projects that through a combination of effective impervious surfaces and converted pervious surfaces cause a 0.1 cubic feet per second increase in the 100-year flow frequency from a threshold discharge area. That portion of any project in which the above thresholds are not exceeded in a threshold discharge area shall have onsite stormwater management BMPs in accordance with Minimum Requirement#5. H. Minimum Requirement#8: Wetlands Protection Projects that discharge stormwater into a wetland, either directly or indirectly through a conveyance system, shall do so in accordance with the City of Everett Stormwater Management Manual. I. Minimum Requirement#9: Operation and Maintenance A Maintenance Plan is required for all stormwater facilities and BMPSs designed and constructed in accordance with this ordinance. The Maintenance Plan shall be developed in accordance with the City of Everett Stormwater Management Manual. (5) ADJUSTMENTS Adjustments to the Minimum Requirements may be granted by the City provided the applicant prepares and the City approves a written finding of fact that addresses the following: 28