Very Cold Morning.
Cold weather concrete requires planing and teamwork.
It is -20 Fahrenheit at the start if the day.
The trucks are running and warming up.
The customer reports its warmer at the job site than here at the plant.
When it is cold like this a lot of things happen behind the scenes. The mechanics “babysit” the trucks to keep them “happy”. Diesel engines are fine once they are running. The challenge in cold weather is starting them after they have been sitting all night at twenty below zero.
Super hot water is being created by our giant boiler. When the hot water is mixed with the cold aggregates and cement, the concrete will be just the right temperature.
Once the customer gives us the go ahead to send concrete, we will pre-heat the trucks drums by filling them with hot water. The hot water will heat all the metal so that it does not freeze the concrete or slow down the set by making it too cold. Once the hot water has heated the metal drums sufficiently, we dump the water and batch the truck.