Pipline Construction, Regulation and Inspection in Grande Cache Alberta
2020NDTBuilding a pipeline is a complex process that requires a great deal of planning. There are several steps along the way and extensive standards and regulations to adhere to. Keep reading to learn more about the process.
Planning and Development
Because of their size and complexity, pipelines are built section-by-section over an extended period of time. Once the route has been determined, and the proper permits have been obtained, construction begins. The process involves:
- Surveying and staking—Marking the path that the pipeline will take.
- Clearing—Removing trees and vegetation.
- Trenching—Excavating a trench where the pipeline will rest.
- Stringing—Sections of pipe are placed alongside the pipeline’s path.
- Joining—Portions of pipe are welded together. Individual welds are tested using NDT or X-Ray inspection methods.
- Coating—Welded pipe is coated with a special material that resists corrosion and rusting.
- Lowering—Prepared sections of pipe are placed in the trench.
- Valves and fittings—Check and block valves are installed intermittently along the pipeline for safety.
- Pressure testing—Welds, fittings and valves are subjected to a pressure test. If the pipeline passes inspection, it is granted the certification required to operate.
Technology and Components
Several component stations help the pipeline operate smoothly: