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01332R. RUSKIN FISHER Civil Engineers and Land Surveyors ROSERT E. MACKEY I RICHARD L. STUHR e CHARLES R. LYON s i64 6t MoAker &a§AodateaA 17962 Midvale Avenue North - Uncoln 2.3141 P.O. Box "68 Seattle 33, Washington z April 11, 1962 Edmonds Planning Commission ; l City Hall` Edmonds, Washington S Subject: Proposed Plat of Franich Addition h It .. Gentlemen: Attached hereto -are two prints upon which we have shown the proposed -drainage s for the above -mentioned plat. This drainage corresponds to that originally pro- . posed by our firm in 1958 when we first investigeed this property- t. The drainage required will be as follows: ,tt 1, Approximately 200 feet of french drain placed across the rear of I 'i lots 4, 5 and 6; 2. Catch basin located at the north corner of the common lot line between lots 4 and 5; i 111 3. 15" drain tile along common lot line of lots 4 and 51 then south . along the street to the right-of-way of 218th Street, S.W., fora ; Snohomish County standard dry well located within 218th Sreet, ` S.W., right-of-way; s 4. 8" overflow from dry well to existing 8" concrete culvert,.toget.her with a 15" stub out of dry well for future connection 218th Street, 1 S.W. It is understood that before building permits are issued on this subdivision, 1 s one percolation test per lot shall be performed to determine the soil character istics at the installation of the drainage. This project as outlined above has been discussed on the site with Mr. John E. Moran, Acting City Engineer. Should you have any additional questions with respect to the proposed develop- ment, please do not liesitate to contact us. Yours very truly, RUSKIN FISHER" ASSOCIATES Charles R. Lyon i CRL:af Enclosures