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_FAJACOBSON <br /> .' CONSULTING ENGINEENN <br /> Table 2.0: Existing Land Cover Conditions <br /> Tributary Impervious Grass Field with <br /> Discharge Area (sf) Pervious Area Sub-Drain (sf) Total Area(sf) <br /> Location <br /> Combined 98,956 39,405 24,685 163,504 <br /> Sewer <br /> Offsite Wetland 30,376 20,361 10,515 57,352 <br /> Total 125,890 59,766 35,200 220,856 <br /> The proposed project includes the relocation of 4 portable classrooms with the addition of 3 <br /> more portables to the school. The total area of land disturbance is 11,061 square feet. This <br /> includes the area land that the portable classrooms on the school campus get relocated from <br /> (existing underlaying asphalt pavement to remain). <br /> Table 3.0: Proposed Land Cover Conditions <br /> Tributary Impervious Grass Field with <br /> Discharge Area (sf) Pervious Area Sub-Drain (sf) Total Area (sf) <br /> Location <br /> Combined 104,300 39,405 19,341 163,504 <br /> Sewer <br /> Offsite Wetland 32,428 20,361 8,463 57,352 <br /> Total 125,890 59,766 35,200 220,856 <br /> The total area of converted grass field with under drain to impervious area associated with the <br /> portable classrooms and associated walkways is 7,396 square feet. Of the total area of <br /> converted grass area with under-drain: 2,052 square feet is within the sub-basin that discharges <br /> to the existing wetland south of the school and 5,344 square feet are in the sub-basin that <br /> discharges to the combined sewer in Federal Avenue. <br /> Section 2 - Conditions and Requirements Summary <br /> The combined requirements of City of Everett Stormwater Management Manual and the <br /> Washington State Department of Ecology's Stormwater Management Manual for Western <br /> Washington (current edition) will apply to all new and redevelopment projects and activities <br /> within the City of Everett unless one of the following applies: The project site is legally served by <br /> a combined storm and sanitary sewer system, in which case the stormwater standards shall be as <br /> set in Section 6-10 of the City of Everett Design and Construction Standards and Specifications. <br /> This project meets that criteria and therefore information required by City of Everetts Standards <br /> Section 6-10 is provided below. <br /> 255 S.King Street,Suite 800,Seattle,WA 98104 I 206.426.2600 I JACOBSONENGINEERS.COM <br />