Backfill material becoming frozen in cold weather.
BARGAIN PRICE INSURANCE
Mechanical padding is not just a specialty item for backfilling pipelines where there are known deposits of rock and hard material;
Mechanical padding is the optimal method of backfilling a pipeline ditch; and
Proper use of mechanical padding can virtually eliminate any risk of damage to the pipe coating or pipe during the backfill process.
Availability of backfill;
Cost of backfill;
Quality of backfill material;
Project specifications; and
Backfill is the final critical stage in the pipeline construction process after lowering in the pipe; and
If the pipeline is not backfilled correctly, all of the earlier steps, such as coating the pipe, welding the pipe, scanning the welds, coating the joints, etc., to assure the integrity and long-term viability of the pipeline are at risk.