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Mr. Michael Jewell <br />the combined effects of both Smith Canal and FourteenMile Slough gates. In this reinitiation, <br />we have revised the conservation measures in a way that specifies the conservation measures <br />associated with each gate. <br />The Service's June 13, 2016, biological opinion for the LSJRFS is hereby amended as follows: <br />1. CHANGE thefollowing-in- Description- of -the Action,—C-onstruetion Aetivities-on-page— <br />follows: <br />From: <br />To: <br />Floodwall <br />This measure will consist of a sheetpile floodwall from the southern portion of Dad's <br />Point to Louise Park, about 3-4 ft high, possibly with a metal cap or encased in concrete, <br />and 12-18 inches wide. The extent will be 825 ft in length. The improvement at this <br />location may be a berm instead of a floodwall. <br />Floodwall <br />4 <br />This measure will consist of single sheetpile floodwall from the southern portion of Dad's <br />Point to Louise Park, about 3-4 ft high, with a concrete cap, and about 1 foot wide. The <br />extent will be 825 ft in length. Dad's Point would be regraded to cover both sides of <br />the floodwall wherever possible, so that it appears as a raised surface. <br />2. CHANGE the following in Description of the Action, Construction Activities on pages 6-7 <br />as follows: <br />From: <br />Closure Structure <br />This measure will involve construction of structures across Smith Canal and <br />Fuurteerunile Slough to prevent flooding from die San Joaqu i River and Delta; for <br />Fourteenmile Slough, it also will limit the level and duration of water saturation due to <br />higher tides on private levees to the east to reduce the risk of their failure. Each structure <br />will consist of a fixed sheet pile wall structure with an opening gate structure to allow <br />tidal flows and boats to pass when open. A small building has been specified for the <br />Smith Canal structure but since the Fourteenmile Slough structure is a separate, scalable <br />version, it may also require a building. The structure will tie into high ground, either the <br />new berm for the Smith Canal structure or the levee for the Fourteenmile Slough <br />structure. The structures will be routinely closed during any water stage equal to or <br />greater than 8 ft North American Vertical Datum of 1988 (NAVD88) caused by high <br />tides or high tide in combination with rain on snow flood events, as well as during <br />emergency (e.g., failure along Smith Canal and Fourteenmile Slough levees to the east) <br />(see Operation and Maintenance, below). The frequency and duration of gate closure <br />