1 For pipelines to be built in arctic area what special meas

1) For pipelines to be built in arctic area, what special measures need to be taken to protect the pipelines

Solution

in areas like arctic pipelines must be built by taking certain measures:

1) special welding procedures must be done because of low ambient temprature.

2) the pipeline must be trenched 3 to 6m deep in order to protect them against harsh wether.

3)the trenching must be done with the help of heavy duty plow to breakdown overconsolidated slit or permafrost or ice lenses