2014 North Central Region Construction Conference WisDOT - Bureau of Structures Brandan Burger
Transcript
Slide 1
WisDOT - Bureau of Structures Brandan Burger
Slide 2
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
Slide 3
Slide 4
Proper rebar clearance Release welded tabs prior to deck
set
Slide 5
Plan details for fill at wing tips Proper Fill = Minimize
Future Erosion
Slide 6
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
Slide 7
Inspect temporary structures before opening to traffic Conform
to NBIS & departments structure inspection manual Guidance in
CMM: Chapter 5 Structures Contractors 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
Slide 8
New Structural Approach Slabs US Highways &
Interstates
Probing during deck pour and dry run Top Cover Deck thickness
See CMM 5-15.5.8
Slide 12
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
Slide 13
Std. spec.As approved by the Engineer Does not have to be on
Approved Products list. Engineer should read manufacturers
information and determine if it is appropriate.
Slide 14
Call us with Questions We look forward to another great year of
bridge construction! THANK YOU!