Debris Flow Barrier are designed and installed for location in-channel and perpendicular to the direction of debris flow. Generally, a simple gully net in channel (typically 15-20 m) is used for narrow spans and for more than 20 meters and wider a post and net combination is required to serve the purpose for resistance against debris flow. Steel wire rope and mesh made from high quality material are used to protect the debris flow, avalanche and landslides. Debris flow generally occur due to heavy rainfalls whereby water rapidly infiltrate/penetrates and loosens the ground material and this results in free flow of the materials under influence of gravity.