I am so excited that I have connected to Scott from BYO and his team will come to West Texas this spring to build an observatory in our club's ranch. We decide to go for a concrete slab foundation because we think this is much stabler. I have asked a local builder to make a concrete pier in my backyard, which did not require a detailed design. How I need 4 10-inch piers plus a 15.6 ft by 15.6 ft concrete slab. I also need the 4 piers to be separated with the slab. Any suggestions? I would very appreciate if you can provide any suggestions (such as footing, frost line). I am not familiar with construction and made an ugly drawing which looks not professional
Edited by syxbach, 19 January 2021 - 10:04 AM.