Internal Corrosion
1. Linings may be used for internal corrosion protection, provided the lining material…
Pipeline Corrosion and Coatings
Onshore Pipelines 1. All metallic buried pipelines including duplex material pipelines, shall be…
Pipeline Stringing
1. Stringing shall be done after blasting and trenching when ROU is in…
Laying Pipeline in Swamps
1. Two methods may be considered for the installation of pipelines in swamps:…
Pipeline Lowering
1. Lowering shall commence after inspection of trench. 2. Trench bottom shall be free…
Pipeline Bending
1. For changes in vertical and horizontal alignment, pre-fabricated cold field bends are…
Pipeline Welding
1. Welding Procedure Specification (WPS) to be followed for the welding to be…
Pipeline Fabrication
Pipeline Fabrication and Installation Activities includes pipe bending, welding, pipeline string, pipeline…
Pipeline Tie-Ins
1. The unconnected sections of the lowered pipeline sections at various locations have…
Pipeline Fluid Categories
The fluid transported in the pipeline should be categorised in one of…


