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Bridge Engineering
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Proposed BDDM Changes for October, 2009
 
Letter from State Bridge Engineer, Bruce V. Johnson

 
1.1.19 Bearings.

1.1.2.11(3) TS&L Narrative- add possible discussion items to Structure Features: Type of bridge bearings, Accessibility to bridge bearings & joints.

1.1.2.12 Final Design- add review items for joints and bearings: inspectable, allowance for bearing replacement, inspection & maintenance of modular bridge joint systems.

1.1.2.2 Bridge Length.

1.1.2.9 Other Things to Keep in Mind.

1.1.20.2e Deck Expansion Joint Seals.

1.1.21.4 Temporary Barriers.

1.1.5.5.11 Crosshole Sonic Log (CSL) Testing- revise Fig. 1.1.5.5C: change location of tubes, add details for bundled bars.

1.1.5.5.12 Shaft Reinforcement.

1.1.5.5.14 Cover Requirements- revised.

1.1.7.2.LL Live Loads.

1.1.7.7 Repair and Strengthening of Bridges.

1.1.8.4 End Bents- (integral abutments) revise Fig. 1.1.8.4A, correct spelling.

1.1.9.3 Structure Widenings, Interior Bents- correct dowel length, Fig. 1.1.9.3A.

1.1.9.5 Column Design.

1.1.11.2.5 Wire Rope.

1.1.12.1 Concrete General.

1.1.13.1 Reinforcement.

1.1.13.3a Interim Reinforcement Steel.

1.2.1.10 End Bent Detailing.

1.2.1.2 Shop Lengths of Welded Girders.

1.2.1.3 Intermediate Cross Frames.

1.2.1.6 Cross Frames at Bents.

1.2.1 Steel Girders.

1.2.5 Structural Wire Rope.

1.4.9.1 Temporary Works.

1.4.9.7 Bridge Raising.

2.1.3.2 What Bridge Headquarters Needs At Completion of a Design Project.

2.4.1 Request for Drawing Numbers.

2.7.4 Foundation Data Sheet.

2.8.3.1 What is Bridge Data System? (BDS).

A2.2.2 Line Work and Levels.

A2.6 Design checklist.

A2.7.3 General Notes.

BDDM Update Summary October 2009.
 
Page updated: October 30, 2009

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