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The comments below were generated from this project's City of Everett Industrial Pretreatment Reviewer. All questions shall be routed through this project's <br />Public Works Reviewer Thad Newport with City of Everett Permit Services (TNewport@everettwa.gov). <br /># <br />Document <br />Sht/Pg <br />Reviewer's Comment <br />Designer's Response <br />Initials <br />City Comment: Stormwater is a prohibited discharge to the <br />of 10 for discharge to the storm system and <br />sanitary sewer, as mentioned in the previous comments from <br />therefore more than exceeds the standards <br />the City and acknowledged by the designer's response. While the <br />for discharge to the sanitary sewer. <br />code does not specifically state that the control method to <br />The cost estimates to replace the existing <br />prevent stormwater entry to the sanitary sewer must be a <br />canopy with a larger canopy is in the <br />canopy, it is a common method to do so. While the east fuel <br />hundreds of thousands of dollars. The sole <br />island (Pacific Pride) has an existing canopy, it is insufficient to <br />purpose of the larger canopy is to eliminate <br />mitigate the amount of stormwater entering the sanitary sewer. <br />883 SF of drainage area. As shown above, <br />The 1460 square foot drainage area (concrete pad for the fuel <br />the small area outside the canopy has <br />island) that the designer is proposing to be directed to the <br />nearly zero impact to the treatment plant's <br />sanitary sewer must have a mechanism to mitigate the amount <br />processing of 20,000,000 gallon a day. The <br />of direct stormwater from entering the sanitary sewer. If the <br />Code allows the Director to approve the <br />designer has another proposal other than a canopy to do this, <br />storm discharge into the sanitary sewer. <br />plans and/or a description of the method must be submitted for <br />Hopefully the Director will understand that <br />it and receive approval. <br />spending hundreds of thousands of dollars <br />This site, while originally being approved to direct stormwater to <br />to replace the canopy is not justified by 883 <br />the stormwater system, does not have a connection or approval <br />SF of drainage area and will approve the <br />of plans to direct this flow to the sanitary sewer. Therefore, it is <br />proposed discharge. <br />considered a New Source, per EMC 14.40.030.AO, and thus must <br />comply with all requirements of EMC 14.40. <br />Additionally, the director has not authorized this facility to direct <br />all stormwater to the sanitary sewer as part of their permanent <br />solution. <br />5 <br />Civil Plans <br />- <br />2"d Review Comment: There is a pipe entering the catch basin <br />The plan has been revised to connect the 2- <br />from the north at the Pacific Pride fuel island. The plans <br />inch pipe to the storm system. This will <br />submitted do not indicate where this pipe is coming from or <br />eliminate 613 SF of canopy drainage from <br />what contributes to it. Please indicate what is contributing to <br />the sewer system. (reduces the sanitary <br />this pipe. <br />sewer drainage area from (1,496 — 613 = <br />Designer's Response: As with any existing site, it is difficult to <br />883 SF) <br />establish the exact location and purposes of certain pipes. This is <br />especially true for pipes that are not straight line connected <br />between structures that allow observation. Since the pipe has a <br />Page 5 of 8 <br />