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# Florida Department of Transportation

JEB BUSH GOVERNOR | 605 Suwannee Street Tallahassee, FL32399-0450 | DENVER J. STUTLER, JR. SECRETARY

August 12, 2005

MEMORANDUM

TO: | All Users of the Florida Department of Transportation Structures Manual including Structures Design Guidelines, Structures Detailing Manual, and Structures Standard Drawings.
FROM: | William N. Nickas, State Structures Design Engineer
COPIES: | Director Office of Design, Bob Greer; FHWA, Jeffery Ger; Assistant State Structures Design Engineers (David O'Hagan, Robert Robertson, Larry Sessions, and Marc Ansley); State Geotechnical Engineer, Larry Jones; District Structures Design Engineers (Gerard Moliere, Rod Nelson, Keith Shores, John Danielsen, Neil Kenis, Kim Saing, Jose Rodriguez, and Agnes Spielmann); District Structures and Facilities Engineers (Pepe Garcia, Keith Campbell, John Locke, Jose Quintana, Ron Meade, Frank Guyamier, Chris Toenjes)
SUBJECT: | Structures Manual including the Structures Design Guidelines (Topic No. 625-020-154-b), Structures Detailing Manual (Topic No. 625-020-200-e), and Structures Standard Drawings (Topic No. 625-020-300-g).

The Florida Department of Transportation Structures Design Office has officially released the July 2005 Structures Manual including the Structures Design Guidelines, Structures Detailing Manual, and Structures Standard Drawings. Copies of the Structures Manual can be downloaded from the Structures Office website at www.dot.state.fl.us/structures.

The Structures Manual is a web based (html) document and includes hyperlinks, navigation tools, indexes, and advanced search capabilities. PDF's for the Design Guidelines and Detailing Manual are included for printing purposes. Standard Drawings and Drawing Examples are available in both MicroStation format (dgn files) and PDF format.

Starting in January 2006, the Structures Manual will be updated once a year (January) and serves as the single source for FDOT design criteria for structural designs prepared by the Department and consultant designers. All users of the Manual are encouraged to submit suggestions to improve and further develop the contents thereby providing maximum assistance to the structural engineering community. Submit any suggestions to David O’Hagan, Florida Department of Transportation, 605 Suwannee Street, MS33, Tallahassee, Florida32399-0450, or e-mailed to david.ohagan@dot.state.fl.us.

The design criteria shall be incorporated on all future projects and on those projects currently being developed (i.e., when design and detailing has not already reached final stages). Where incorporation is not feasible, a request for a variance shall be submitted. For specific questions about the Manual, or its application to a particular project, contact the appropriate District Structures Design Office.

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SDG Revisions July 2005
I.6 | References | Updated References with interims.
I.10.2 | Temporary Design Bulletins | TDB C05-03, Added paragraphs D. through F.
1.3 | Environmental Classification | Added new flow chart (Fig 1-1) for determining environmental classification.
2.11 | Vessel Collision | 2.11.2 Added link to USACENavigationDataCenter and 2.11.4 Added paragraph G. requiring even AF distribution over all components.
3.11 | Pier, Column and Footing Design | TDB C05-04 , Added paragraphs N. Transverse Reinforcement for Compression members, ties.
3.13.2 | Corrosion Rates | Converted rates to English units, added rates for mild-steel tiebacks.
6.5.3 | Lateral Restraint | Added req's for multiple, uni-directional restraints.
8.5.3 | Span Balance | Changed wording from “leaf reaction” to “force…at the tip of the leaf”
8.5.4 | Speed Reducers | Increased AGMA rating to 9. Misc. Changes through out Section 8.5.
8.5.6 | Span Locks | Added provision for positioning trucks to maximize load on bridge.

SDM Revisions July 2005
I.8.2 | Temporary Design Bulletins | TDB C05-01, Added paragraphs D. through F.
1.3 | Standard Drawings | Added instructions for using Design Standards.
4.1 | Composition of Plan Set | TDB C05-07, Replaced chapter. (new sheet number and sheet title procedures.)
13.3.10 | Max Re-Bar Lengths | #3 Bars and larger: 60 feet.
15 | Fences and Sound Barriers | Added chapter.
Vol. 3 | Instructions for Design Standards | Added document. (previously called Instructional Standards)

QPL Acceptance Criteria July 2005
No Changes |