31 SW EVERETT MALL WAY 2018-01-02 MF Import

the existing ground elevations given in the information submitted with the application, a minimum of 15 horizontal feet will be necessary for the swale; the Applicant has left only it feet. (SEPA Water Policies) 2. On -site detention is required per City standards. Detention should be calculated for original site vegetation conditions. (SEPA Water Policies) " 3. No physical connection to the storm drainage system will be allowed for repair bays, fluid dispensing areas, or storage areas. (SEPA Water Policies) AMW Oil, transmission fluid, oily automobile parts, etc. must be stored under cover and must be isolated from the storm drainage system. storage areas should be shown on the site plans or a note should indicate that storage is only acceptable within the building. (SEPA Water Policies) Outside dumpsters must have containment berms placed around them, with oil absorbent material available within the containment system. (SEPA Water Policies) 6. A Discharge Permit from the City of Everett Industrial Pre - Treatment program may be required for discharge to the sanitary sewer system. (SEPA Water Policies) 7. Washing cars or other equipment with soap or chemical degreasers in areas that can drain to the storm system is a violation of City ordinances. The submitted plans must designate where cars and/or parts are to be washed on the site in order to prevent contaminated water from entering the storm drain system. Acceptable locations are within a building or in an outside area designated as a wash area that meets the following conditions: a. is pa b. is designed to collect only waste water, adjacent site area drains away from the wash areas; c. disd arges wash water to the sanitary sewer after passing it thro)ffigh a baffle -type oil/water separator designed to meet Citystandards using the expected rate of water flow used to wash cars; d. is covered or has a discharge pipe with a positive control valve that is shut when washing is not occurring aid appropriate signs instructing the washer as to valve operatkig procedures. (SEPA Water Policies)