6300 MERRILL CREEK PKY BASE FILE 2018-01-01 MF Import

. I . � 8. Toxic/Hazardous Materials: A hazardous materials inventory list shall be provided as Ia part of the submittal for building permits per Condition 4 on page 39. Dumpsters must be covered and maintaincd so that stormwater dces not drain through the dumpsters and enter storm drains or infiltrate the soil per Condition 5 on page 39. IOn sites containing hazardous materials, procedures to use in case of spills must be I posted per Condition 6 on page 39. . 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 from the storm drainage system per Condition 7 on page 39. I 9. Illumination of Parkine .otc: Illumination of parking lots should be a minimum of 3-4 foot-candles per Condition 1 on page 40. 10. P��blic Water Sup lo ies: The water nressure at this site is approximately 50 psi residual I on a high demand day without fire ttow demand. A fire flow of 4,000 gpm is required for the proposal. Available fire flow is approximately 4,000 gpm at 20 psi residual. Therefore, water system improvements w�ll not be required. � If truck washing facilities are provided, runoff water must be recycled per Condition 3 on page 44. � 11. Sewer: The peal: sewer discharge from this site must be limited to 2.78 gallons per minute per acre (4,000 gallons per gross acre per day of instantaneous peak flow). ICONDITIONS FROM PREVIOUS APPROVALS OlV THIS SIT� Seaway Center Master Plan and Binding Site Plan (SEPA {/15-87, BSP �,1-87), and ISeaway Center Master Landscaping Plan Buffers and Landscxpe Areas 1. Buffer �iv Residential Area• A survey of all coniferous trees exceeding 6 inches in diameter must be conducted within 130 feet of the residential area. Any such trees shall be preserved or replaced in that area. Within 75 feet of the residential area, existing natural vegetation which contributes to the sight-obscuring nature of d�e buffer may only be removed to remove diseased or unsafe trees, allow for views, provide for utilities, or improve the visual qualiry of the landscape. Supplemental plantings of evergreen shrubs and coniferous trees at least 6 feet tall may be required if needed to provide a sight-obscuring screen. Trees must be planted in namral clusters. AI► non-office industrial activities, induding parking, buildings, loading facilities must be setback 130 feet from the residential area. Detcntion and water quality ponds may be allowed in the 130 fcet if setback at least 75 feet from the residential arca, provided that the ponds are landscaped and the 75 foot buffer provides site-obscuring screening. ; No clearing of vegetation can occur until a detailed landscape plan for the area is I reviewed and approvcd by the Planning and Community Development Deparunenr. Any significant vegctation removed must be replaced within the same growing season I 5