Structural Fabrication Quality Manual

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The Bureau of Bridges and Structures Construction Section has revised its 2021 Structural Fabrication Quality Manual (version 2) for a 2023 version 3 release. The manual is referenced in the MDOT Materials Quality Assurance Procedures Manual and is located on the Structural Fabrication Unit’s (SFU) website. A brief description of the revisions is presented below.

Chapter 1 (General Information):

• Updated web links due to new website platform
• Added narrative report writing requirements (high and low for ambient temperature and requirements when “we” is used).
• Added example of acceptable as-built shop drawing submittal.
• Updated QAI qualifications for aggregate sampling.

Chapter 2 (Fabrication Inspection Procedures):

• Revised name of subsections 2.3 and 2.4 to align with bridge and structural steel categories delineated in 2020 spec book.
• Added converting conventional radiographic test film to digital images.
• Updated terminology in subsection 2.4 from “traceable” to “identifiable” to align with industry standards for structural steel inspection.

Chapter 3 (Inspection and Test Plans):

• Added new standard ITP (steel highway structure, spun concrete prestressed pole, and bridge steel)

Chapter 4 (Supplier Qualification Program):

• Added Supplier Qualification Standard for Steel Highway Structures.

Chapter 7 (Request for Information Process):

• Added requirement for SFU to electronically sign RFI to document response date and respondee to improve documentation.

Chapter 8 (Nonconformance Process):

• Removed the requirement that weld repairs resulting from QC NDT are considered a major nonconformance requiring an NCR.

Annexes:

• Added existing MDOT Shop Drawing Review Process
• Added existing MDOT Structural Precast Concrete SD Review List
• Added existing MDOT Structural Steel SD Review List
• Added existing MDOT Elastomeric Bearing SD Review List
• Added existing MDOT Welder Qualification Program

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