EXH0149018272

PCHBPollution Control Hearings Board of the State of Washington

am frantically getting more things on paper. I Jill attach the draft have. It is in a very jumbled order. I wonder if it would be better to meet sometime tomorrow, when i am further along. What do you think? am available any time tomorrow. Thanks Katie. (_ AR 018272 DOES¢1310_0501 • t • ! j, t DELIBERATIVE- DO NOT DISCLOSE MEMORANDUM TO: Ann Kenny, Washington State Department of Ecology FROM: Katie Walter DATE: August 1, 2001 RE: DRAFr 401 CONDITIONS AUBURN MITIGATION SITE REVISIONS 1. The revised grading plan (June 28, 2001) shows a culvert in the northwest comer of the • site in the proposed new drainage swale. The culvert will pass flows under the site access _"_ path. The drawingshows this culvert approximately 60 feet long, passing under a pathx thatis only approximately 15 feet wide. This culvert should be no longer than is necessary to pass the water under this pathway. 2. The revised gradingplan (June 28, 2001) shows a culvert in the south centralportion of the mitigation site. This culvert appearsto be mis-located. I assume that the culvert should be shown in the wetland directly east of the shown location, where the wetland passes underthe proposed maintenance path. This culvert should be no longer than is necessary to pass the waterunder this pathway. 3. Two additionalculverts need to be shown along thenew drainage swale where the water outlets the southwesternbasin, under the maintenance pathway. 4. Cutverts should be placed during constructionunder the paths/roads in all…
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