National Steel Bridge Alliance


Guideline "G" Documents

 
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G1.1-2000 Shop Drawing Approval Review/Approval Guidelines

  • AASHTO Publication Code: NSBASDDRAG-1
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Engineers, Owners, Fabricators

Description: G1.1-2000 sets typical guidelines and a framework of responsibilities for the approval of shop drawings.

 

 
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G1.2-2003 Design Drawings Presentation Guidelines

 
  • AASHTO Publication Code: NSBADDPG-1
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Engineers, Owners, Fabricators

Description: G1.2-2003 should be used by the engineer in the development of design drawings. The document advises the engineer on the minimum information required to detail and fabricate a structure. Included in G1.2 are sample drawings illustrating the needed information.

 

 
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G1.3-2002 Shop Detail Drawing Presentation Guidelines

 
  • AASHTO Publication Code: NSBASDDP-1
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Engineers, Owners, Fabricators

Description: G1.3 can be referenced by fabricators during the development of shop drawings. The document provides a framework for the development of shop drawings and can be referenced by engineers and owners during the approval process. Included in G1.3 are sample drawings.

 

 
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G1.4-2006 Guidelines for Design Details

 
  • AASHTO Publication Code: NSBAGDD-1
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Engineers, Fabricators

Description: G1.4 is a collection of sample design details that allow for the economical fabrication and erection of bolted splices, crossframes, and stiffeners. Included in G1.4 are economical solutions for rolled beams, plate girders, and tub girders.

 

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G2.2-2016 Guidelines for Resolution of Steel Bridge Fabrication Errors 

  • AASHTO Publication Code: NSBAGRSB-1
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Fabricator, Contractor, Owner, Engineer

Description: G2.2 addresses common issues that can result during the fabrication process. From a misaligned bolt hole to a miscut member this document discusses the common issues and how the errors should be resolved. Many times, the fix can be more costly and detrimental than the original error. This document provides the necessary guidance to ensure an economical fix that preserves the long term resilience of steel girders.

 

 
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G4.2-2006 Recommendations for the Qualification of Structural Bolting Inspectors

  • AASHTO Publication Code: NSBAQSBI-1
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Owners, Fabricators

Description: G4.2 developed guidelines to define essential factors involved in structural bolting and the qualification of personnel inspecting and monitoring those operations.

 

 
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G4.4-2006 Sample Owners Quality Assurance Manual

 
  • AASHTO Publication Code: NSBAOQA-1
  • Format: PDF
  • Category: Guide 
  • Applicable Groups: Owners, Fabricators

Description: G4.4 serves as a sample quality assurance manual to be used as a guide for Bridge Owners or third party inspection agencies to develop their own quality assurance plans.

 

 
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G9.1-2004 Steel Bridge Bearing Design and Detailing Guidelines


  • AASHTO Publication Code: NSBASBB-1
  • Format: PDF
  • Category: Guide 
  • Applicable Groups: Engineers, Fabricators

Description: G9.1 presents steel bridge bearing details that are cost effective, functional, and durable. The document covers design and detailing for 

 

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G12.1-2016 Guidelines to Design for Constructability

  • AASHTO Publication Code: NSBAGDC-3
  • Format: PDF
  • Category: Guide
  • Applicable Groups: Fabricator, Owner, Engineer

Description: G12.1 - 2016 is an update to the 2003 document of the same title. G12.1 is intended for use throughout the design and fabrication process as a reference document to ensure efficient and economical girder design and construction. The update features numerous changes that reflect the advancement of the industry over the past decade.

 

 
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G13.1-2014 Guidelines for Steel Girder Bridge Analysis 

 
  • AASHTO Publication Code: NSBAGBA-2
  • Format: PDF
  • Category: Guide 
  • Applicable Groups: Engineers

Description: G13.1 is an update to the 2011 document of the same name. The document provides a comprehensive treatment of issues in steel girder analysis. Included in the document is guidance pertaining to the appropriate level of analysis based on geometric complexity.