Hydro excavation is the safest method and best practice for cold weather digging. Equipped with water heaters, vacuum excavators allow for smooth excavation in harsh winter conditions. The most important benefit of hydro excavation in cold weather is that it can cut through frozen ground. Pressurized, heated water is injected into the surface of the frozen soil, immediately thawing the frost to create a slurry that can be quickly removed. This reduces dig time and eliminates the need for environmentally unsafe thawing methods, such as wood and coal. Heated water will also circulate through the unit system while on standby to prevent freeze-ups. In colder months, it’s also common for some construction sites to become less accessible. Vacuum excavation trucks can reach the excavation site with an extendable boom that rotates and pivots downwards, creating ease of accessibility.