The operator must take every practicable steps to protect each transmission line or main from washout,floods,unstable soil ,landslides, or other hazards that may cause the pipeline to move or to sustain abnormal loads Is the above statement true or false?

The statement describes the operator's responsibility to protect transmission lines and mains from various environmental hazards that could cause movement or abnormal loads.

This statement aligns with the requirements found in 49 CFR 192.317, which covers Protection from hazards.

49 CFR 192.317(a) states: "Each operator must take all practicable steps to protect each transmission line or main from washouts, floods, unstable soil, landslides, or other hazards that may cause the pipeline to move or to sustain abnormal loads."

The provided statement is an exact match to the regulation 49 CFR 192.317(a).

The final answer is $\text{True}$