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<br />Discretionary Work Request for King County Road Services <br />FORMA <br />City of: Tukwila Request Number: TK-012 Date: 06/05/2014 <br />The concrete approach span on the west end of the 196th - 200th Street <br />Problem Description: <br />Bridge over the Green River is undergoing unanticipated movement due to subgrade <br />settlement. The slab is unsupported for approximately five feet at the slab/abutment interface <br />by design. The slab seat concrete is spalling and steel reinforcing dowels are yielding as the slab <br />rotates about the fixed slab seat. In addition, the concrete sidewalks approaching the bridge are <br />bucking due to the pressure being exerted on them by <br />Tukwila requests inspection and design assistance from King County Roads <br />Nature of Request: <br />Services. This work also includes King County Bridge Maintenance assistance to remove existing <br />timber falsework left from the bridge construction that is preventing inspection of the damaged <br />west approach slab seat. Once an inspection has been completed, Tukwila requests design <br />assistance to choose a repair option and prepare the necessary plans, specifications, and <br />estimates. <br />0.8 Miles west of SR181 <br />Location: <br />Estimate provided by King County Roads Division. <br />Attachments: <br />High <br />City Priority: <br />Special scheduling requirements: <br />Grant Griffin - (206) 431-2446 <br />City Project Manager-Telephone Number: <br />Robin Tischmak Date: 06/05/2014 <br />Authorized By: <br />Form A Page 1 of 1 <br /> <br />