How to install Garage door opener with Main Beam in the way?

I want to install a garage door opener, but in the garage the main beam is in the way. It is a high ranch with a 2 car garage and the beam crosses through the middle of the garage parallel to the garage doors (supported by a pole in the middle of the garage between the cars. To install a ceiling mount garage door... show more I want to install a garage door opener, but in the garage the main beam is in the way. It is a high ranch with a 2 car garage and the beam crosses through the middle of the garage parallel to the garage doors (supported by a pole in the middle of the garage between the cars. To install a ceiling mount garage door opener, I would have to cut a large hole or notch in the beam for the rail to pass through.

Is that OK? What are the alternatives?
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