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May 13, 1982 evercam <br />Dan Olson <br />Koll Contractor Company <br />2021 - 152 Ave. N.B. <br />Redmond, WA 98052 <br />Subject: Public Works Permit 081-229 <br />O'Donnell -Brigham Project <br />Dear Mr. Olson: <br />Have c impleted the review of the storm sewer system and found the following <br />Items need attention: <br />Bldg. 8 - 54" C.B. south of parking lot. <br />a. expose IL" culverts and clean to manhole <br />b. Inlet at south edge of parking lot, this unit has not been Installed. <br />Please Install this unit or provide a professional engineer's <br />statement as why It was not necessary. <br />16th 5t. - West side, existing Inlet, grout new Interior penetrations <br />Into Inlet. Clean and treat all surfaces to Insure a good bond. <br />East side, exist!ng inlet, scale loose grout and reapply as above. <br />Bldg. I I - Northeast corner - Control manhole, attach lift gate chain <br />per detail <br />Bldg. 12 - a. Control manhole off of Northeast corner, same as Bldg. 11. <br />b. Inlet off of Northeast comer on 73th Street S.W. Grout <br />new penetration to existing Inlet. <br />Driveway unit off of Northeast corner. This wilt has not <br />been Installed. Install or provide statement from a professional <br />engineer why It Is not required. <br />Bldg. 13 - Catch basin off of Northwest corner, same as Bldg. 11. <br />Regarding the newly Installed french drain system on the south property line. <br />Please submit for approval a plan of the work entailed. <br />Please provide locking lids for all "Control Manholes" as shown on the detail. <br />At the Southeast property corner, bring to grade the existing sanitary sewer <br />manhole cover. <br />