Absolutely
There are things you can do in a single engine operation to decrease the chances of an engine failure. We have several of maintance items we do more regularly than required.
Most of the companies doing this work use shorter lines obstructions permitting so the pilot can see clearly what hes doing, 50' and 60' are most common for the 500s and around 100' for the big ships.
In the utility field you live in the avoid curve, you fly 8 hours a day and rarely leave it.