basic 2 min read
Pipeline Pigging Operation
1. All pipelines shall be suitable to pass pigs, even if pig traps are not permanently installed. 2. Pigging should be used…
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basic 1 min read
Pipeline Pigging
Pipelines get dirty during construction and regular operations. They can also get damaged due to mechanical handling, corrosion, environmental factors.…
basic 2 min read
Pipeline Emergency Shutdown Valve
For any incident within the plant boundaries, the pipeline inventory needs to be isolated from the plant, in order to…
basic 2 min read
Pipeline Block Valves Actuation
1. Three methods of operating block valves can be considered: locally, remotely and automatically. 2. The appropriate method shall be determined from…
basic 1 min read
Pipeline Block Valves
Two types of block valves are used in Pipelines. 1. Sectionalising Valves 2. Emergency Shutdown Valves. It may not always be possible…
basic 1 min read
Pipeline Sectionalising Valve
Pipeline block valves should be used to limit the release of line contents in case of leaks or pipeline ruptures …
basic 1 min read
Pipeline Valves
Various types of valves are required for successful and safe pipeline operation. They help in pipeline maintenance and also during…
basic 2 min read
Pipeline Markup, Cleanup and Restoration
1. Following type of markers shall be fabricated and installed along the pipeline route such that they do not cause any…
basic 1 min read
Pipeline Backfilling
1. Backfilling shall be carried out immediately after pipeline lowering in trench after inspection, so as to provide a natural anchorage…
basic 2 min read
Pipeline Crossing
Onshore Pipelines 1. The use of casings for the crossing of roads or railways should be discouraged because of the difficulty…