There is a particular February morning here when the Grand River has gone still and white all the way down toward Harbor Island, and the air off Lake Michigan is sharp enough to make truck exhaust hang in the road. That is the season Chorak Excavation & Snow Plowing was built for. The work runs across Grand Haven Charter Township — plowing driveways and parking lots, cutting the banks back so they stop creeping in by March, shoveling the steps and walks people actually use, and putting salt where shade keeps the ice honest. Lake-effect does not announce itself politely; it stalls over the shoreline and unloads six inches while the forecast is still saying two. The measure of a night's work is simple enough: everybody gets out on time, and nobody slips on the way to the car.