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Printed on:Thursday 04/04/2024 03:21 PM 29C0083R/AAAQ/125708Pageof3 <br />Department of Transportation - Division of Maintenance Structure Maintenance & Investigations <br />6 <br /> 29.0Max. Water Depth <br />N/AContract No. <br />N/AContractor <br />D - Surface suppliedDive Mode <br />Robert HugelDiverLucas Holland <br />Supervisor Mike Grams <br />Tender <br />Shane StirlingBackup Diver <br />UNDERWATER INVESTIGATION DETAILS <br />Max. Visibility <br />Water Surface Elev. <br />ft <br />ft 2.0 <br />STEEL INVESTIGATION DETAILS <br />Pier 2 <br />Location <br /> 29.0 <br />Depth(ft) <br /> 1.0 <br />Vel(ft/s) <br />Concrete lined <br />Channel Material <br />33 feet Element 210 - Pier Wall-RC <br />Element Description <br />UNDERWATER ELEMENTS INVESTIGATED <br />SCOPE AND ACCESS <br />All elements listed in the "Underwater Investigation" section of the report were inspected. The inspection of all other elements is the <br />responsibility of the routine inspection. <br />This structure was accessed from the northwest bank and inspected using the surface-supplied inspection method. <br />This underwater inspection follows the procedures of Section 5.4 of the SM&I Procedures Manual <br />SUBSTRUCTURE <br />All submerged elements were covered with a thin layer of marine growth which could easily be removed by the diver's gloved hands. This <br />condition allowed for a 100% Level I inspection and a minimum of 10% Level II inspection of the submerged portions of the elements. <br />The following depths were noted: <br />Pier 2: <br />Upstream nose: 29 feet <br />Downstream nose: 29 feet <br />The interface between the canal lining and the pier wall remains in good condition. <br />Element 210, Pier Wall-RC <br />See ELI table for condition state and rating. <br />WATERWAY <br />Prior to this inspection the NBI Item 61 (Channel and Channel Protection) has been coded 8. The conditions present on the date of this <br />investigation are consistent with a rating of 8. <br />Prior to this underwater investigation, NBI Item 113 (Scour Critical Bridges) had been coded 8 during the 01/31/2000 scour evaluation <br />documented in the Bridge Management System. The conditions on the date of the inspection are consistent with the definition of a rating <br />of 8. <br />INSPECTION COMMENTARY <br />ft <br />1 - FreshWater TypeB - Routine UWDive Type <br />Next UWI 02/12/2030UWI Frequency months 72UWI Required Y Last UWI 02/12/2024 <br />- NOT APPLICABLE FOR THIS BRIDGE. <br />CONDITION INFORMATION <br />1Max. Water Velocity ft/s <br />SPECIAL INSPECTION INFORMATION