Method of coating a field joint

A method of coating a field joint joining uncoated ends of two pipe sections, each pipe section being coated with a parent coating having outer surface and having at least one uncoated end, the method comprising:

• providing a first angular cut back in the parent coating of each pipe section, the first angular cut back being at an angle of between 20° and 45° with a manufacturing tolerance of +5°/−5°, relative to a longitudinal axis of the field joint;
• providing a second angular cut back in the parent coating of each pipe section, the second angular cut back being positioned further from the field joint than the first angular cut back;
• the first and second angular cut backs resulting in the parent coating having a stepped profile, a step in the stepped profile being defined between the first and second angular cut backs, the step being substantially parallel to the longitudinal axis of the field joint, the step being at a thickness from the outer surface of the parent coating of less than about one third of the thickness of the parent coating;
• and
• injection moulding a field joint coating over the uncoated ends and the first and second angular cut backs, the field joint coating being moulded to have an upstand that is less than or equal to about 5 mm.