Onshore Pipeline Design Fundamentals Training

Day 1
SESSION 1 – PIPELINE DESIGN CODES AND STANDARDS
• Design Codes and Standards: ASME B31.4 and
B31.8. ISO 13623, EN , IGE/TD/1, DNV, comparison
and overview
• Setting the Pipeline Design Basis: data required for
designing the pipeline… factors to be considered
pressure, temperature, yield strength, MAOP.

SESSION 2 – PIPELINE ROUTING
• Fundamentals in Pipeline Routing: optimising
routing, assessing pinch points, factors that
influence routing, understanding impact on
construction.
• Pipeline Location Classification: impact of
location, population and selection of design
factor.
• Techniques: mapping and use of GIS
• Defining Survey Requirements: what to specify

SESSION 3 – PIPELINE MECHANICAL DESIGN Part 1
• Design Factors: meaning of design factors,
selection, 0.72 Design Factor, inherent Safety
factors.
• Calculating Hoop (circumferential) and
Longitudinal Stresses in Pipelines: basic formulae
and limiting stresses and basic wall thickness
calculations, equivalent stress: Von Misses.
• Pipeline Material Plastic deformation; Failure
pressures, upheaval buckling, span calculations.
• Pipeline Material; Sizes, thicknesses, material
grades, longitudinal seamed and seamless piping.

SESSION 4 – PIPELINE MECHANICAL DESIGN Part 2
• Restricting the expansion; restraint by burial.
• Coatings; factory applied coatings, site
coatings, types, applications, testing.
• River / Road Crossings; Directional drilling,
Boring, open cut, typical crossing engineering
details.
• Pipeline Testing and Pre-Commissioning: basics
for hydrotesting, gauging, swabbing, and
handover; intelligent PIG surveying, As-builts.

CASE STUDIES:
West Africa – Engineering and Design
conceptual study for a gas pipeline network.

Day 2

SESSION 5 – OPTIMIZING PIPELINE SIZING &
CONFIGURATION
• Basics on Hydraulic Design
• Impact of Overpressure and Surge
• Location of Block Valves and AGI Facilities
• Optimizing Pipeline Sizing: impact of diameter
(and wall thickness) v cost effective pumping / gas
compression and use of basic NPV model to arrive
at optimum design.

SESSION 6 – PIPELINE DESIGN GROUND –
GEOTECHNICAL INFORMATION.
• Buoyancy forces and control (ground with high
water table).
• Static, Live, Earthquake and Thermal Loads
• Pipe Soil interaction; structural assessment.
Longitudinal ground movements, vertical uplift
and downward bearing …
• Burial types
• Protection of Pipelines from Geotechnical hazards.

SESSION 7 – PIPELINE DESIGN CONSTRUCTABILITY
Part 1
• Pipeline RoW (Right of Way) Design; types of
construction plant machinery and working width
• Pipeline Welding; Manual welding techniques,
Semi-Automatic welding techniques.
• Trench Excavation and Backfill: practical issues,
equipment, what to do with poor ground,
• Pipeline Coatings: coating systems, field joint
coating techniques

SESSION 8 – PIPELINE DESIGN CONSTRUCTABILITY
Part 2
• Pipeline Crossings: basics for road, rail and
waterway crossings and construction techniques,
open cut/HDD/Auger Bore .
• Pipeline Testing and Pre-Commissioning: basics for
hydrotesting, gauging, swabbing, and handover;
intelligent PIG surveying, As-builts.

CASE STUDIES: Based on an actual pipeline
project: engineering papers of intent, evaluations for

Day 3
SESSION 9 – CATHODIC PROTECTION Part 1
• Principles of Cathodic Protection: electric current, Anode, Cathode, materials.
• Application of Cathodic Protection: factors to be considered – coatings, electrical continuity, isolation.
• Practical Applications of Cathodic Protection:
identification of factors governing the corrosion process, criteria for Cathodic protection of steel, current
density, determining Cathodic Protection system type.

SESSION 10 – CATHODIC PROTECTION Part 2
• Galvanic Anode System Design: determining anode parameters of type, weight and location.
• Impressed Current Anode System Design: soil resistivity, power supply, remoteness, ease of construction, land
acquisition, ground bed type, anode type, backfill. Design calculations, current attenuation, transformer
rectifiers, test posts, special considerations.

SESSION 11 – RELATED STANDARDS SPECIFICATIONS AND DESIGNS
-Material Selection; importance of specifying appropriate material, manufacturing requirements and coatings.
-Component Specifications; specification of valves, traps, barred tees, fittings and flanges, bends etc.
-Design Drawings; standard details, crossing schedules and alignment sheets.
-QRA and EIA; safety and environmental studies and impact on design.
-Tender Packages; what is required for a Concept/ FEED or EPC / Construction type contract, contracting
approaches.

CLOSE OUT
Summary of Design Methods
Key Aspects for Design Consideration