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KITTITAS COUNTY SOLID WASTE ON-CALL <br />CLE ELUM TRANSFER STATION FRONT ENTRANCE DESIGN <br />TEMPORARY EROSION AND PW\JA\KITTCO02\ENTRANCE <br />SEDIMENT CONTROL JUNE 2023 <br />01 57 13 - 12 ©COPYRIGHT 2023 JACOBS <br />3.03 MAINTENANCE <br />A. The ESCP measures described in this specification are minimum requirements <br />for anticipated Site conditions. During the construction period, upgrade these <br />measures as needed to comply with all applicable local, state, and federal <br />erosion and sediment control regulations. <br />B. Maintain erosion and sediment control BMPs so they properly perform their <br />function until Engineer determines they are no longer needed. <br />C. Construction activities must avoid or minimize excavation and creation of <br />bare ground during wet weather. <br />D. The intentional washing of sediment into storm sewers or drainage ways must <br />not occur. Vacuuming or dry sweeping and material pickup must be used to <br />cleanup released sediments. <br />E. Inspect BMPs in accordance with the schedule in the Construction Stormwater <br />Discharge Permit(s) or as directed by Engineer. <br />F. Complete an inspection report within 24 hours of an inspection. Each <br />inspection report shall be signed and identify corrective actions. Document <br />that corrective actions are performed within 7 days of identification. Keep a <br />copy of all inspection reports at the Site or at an easily accessible location. <br />G. Unless otherwise specified, remove deposits before the depth of accumulated <br />sediment and debris reaches approximately height of BMP. Dispose of debris <br />or contaminated sediment at approved locations. Clean sediments may be <br />stabilized onsite using BMPs as approved by Engineer. <br />H. Sediment Fence: Remove trapped sediment before it reaches one-third of the <br />above ground fence height and before fence removal. <br />I.Other Sediment Barriers (such as biobags): Remove sediment before it <br />reaches 2 inches depth above ground height and before BMP removal. <br />J.Catch Basins: Clean before retention capacity has been reduced by 50 percent. <br />K. Sediment Basins and Sediment Traps: Remove trapped sediments before <br />design capacity has been reduced by 50 percent and at completion of Project. <br />L. Initiate repair or replacement of damaged erosion and sediment control BMPs <br />immediately, and work completed by end of next work day. Significant <br />replacement or repair must be completed within 7 days, unless infeasible.