The local jiffy type place here has pits as well as a walk out basement, it's on the top of a hill with an outside door for the pits.
Haven't been inside to look, but can see the door driving by. That may be a way to have the pit and satisfy the insurance folks?

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-