Table of Contents

1 Scope
  1.1 General
  1.2 Application
  1.3 Type of Pipeline
  1.4 Provisions for Public Safety
  1.5 Approval for Crossings
2 Symbols, Equations, and Definitions
  2.1 Symbols
  2.2 Equations
  2.3 Definitions
3 Provisions for Safety
4 Uncased Crossings
  4.1 Type of Crossing
  4.2 General
  4.3 Location and Alignment
  4.4 Cover
  4.5 Design
  4.6 Loads
  4.7 Stresses
  4.8 Limits of Calculated Stresses
  4.9 Orientation of Longitudinal Welds at Railroad and Highway
       Crossings
  4.10 Location of Girth Welds at Railroad Crossings
5 Cased Crossings
  5.1 Carrier Pipe Installed within a Casing
  5.2 Casings for Crossings
  5.3 Minimum Internal Diameter of Casing
  5.4 Wall Thickness
  5.5 General
  5.6 Location and Alignment
  5.7 Cover
  5.8 Installation
  5.9 Casing Seals
  5.10 Casing Vents
  5.11 Insulators
  5.12 Inspection and Testing
6 Installation
  6.1 Trenchless Installation
  6.2 Open Cut or Trenched Installation
  6.3 General
7 Railroads and Highways Crossing Existing Pipelines
  7.1 Adjustment of Pipelines at Crossings
  7.2 Adjustment of In-service Pipelines
  7.3 Adjustments of Pipelines Requiring Interruption of Service
  7.4 Protection of Pipelines During Highway or Railroad
       Construction
Annex A - Supplemental Material Properties and Uncased Crossing
          Design Values
Annex B - Uncased Design Example Problems
Annex C - Casing Wall Thicknesses
Annex D - Unit Conversions
References

Abstract

Describes the design, installation, inspection, and testing required to ensure safe crossings of steel pipelines under railroads and highways.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
ProductNote	Reconfirmed 2007
Pages
ISBN
Supersedes	API 1102 : 1993