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Published byLynette Arleen Farmer Modified over 9 years ago
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WisDOT - Bureau of Structures Brandan Burger
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Anything “structural” – change in loading, structural capacity, pile locations If in doubt, call us! See Structures Contacts Handout BOS Contacts.doc Remind Contractor to go thru Construction Staff for answers
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Proper rebar clearance Release welded tabs prior to deck set
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Plan details for fill at wing tips Proper Fill = Minimize Future Erosion
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Overhead sign supports, sign bridges, traffic signal monotubes, high mast light poles Inspect at time of installation Proper lubrication of bolts is critical New – bolt suppliers paperwork should include suppliers rotational capacity test New – Pre-installation test for direct tension indicator (DTI) washers - contractor should submit form DT2322 to engineer Schedule an in service initial inspection prior to opening to traffic - NC bridge maintenance ancillary inspector Ancillary Structures QA/QC Training on April 9th
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Inspect temporary structures before opening to traffic Conform to NBIS & department’s structure inspection manual Guidance in CMM: Chapter 5 Structures Contractor’s Responsibility Included in Std. Spec. 526.3.3 Submit DT2007 to the engineer & BOS Maintenance Section Inspector must be department-certified active team leader List online – see CMM
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New Structural Approach Slabs US Highways & Interstates
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Bridge Manual – ABC chapter Recently Completed WisDOT projects: Precast pier columns & pier caps; Inverted T girders; SPMT move.
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Submit electronic copy via email. Pile forms: dt1315.xls dt1315.xls dt1924.doc dt1924.doc
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Probing during deck pour and dry run Top Cover Deck thickness See CMM 5-15.5.8
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Upcoming change for 2015 New installation requirements: ACI/CRSI Certified Installer, or Field Verification by Non-Destructive Pullout Testing Implementation as a part of (and guidance provided in) 2015 Standard Specifications
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Std. spec.“As approved by the Engineer” Does not have to be on Approved Products list. Engineer should read manufacturer’s information and determine if it is appropriate.
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Call us with Questions We look forward to another great year of bridge construction! THANK YOU!
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