1. Sufficient spare material should be ordered to cover for route deviations and possible pipeline damage during construction, and the set-up of a material contingency stock for pipeline emergencies during the operational phase.
2. The quantity of spare materials depends on the pipeline length, its location and the likelihood of damage during transport, construction and operation.
3. The following quantities are provided for guidance only.
4. For each pipe size, spare line pipe material for testing, route deviations and construction damage should be available in accordance with the following:
○ Route length Spare line pipe
○ up to 1 km 60 m
○ 10 km 250 m
○ 100 km 750 m
○ above 200 km 5 percent of route length
5. For offshore pipelines, additional lengths corresponding to twice the water depth (to cover for wet buckles during installation) and one riser should be available.
6. The contingency stock of line pipe material should consist, for each pipe size, of 60 m for onshore pipelines and 250 m for offshore pipelines.
