A power racks footprint is just the width and depth measurements in the structure, on the other hand you will require a space with not less than a width of 9 feet if you plan on making use of a regular measurement Olympic barbell (7ft bar with 1 ft spacing https://elliotkhbtm.wikissl.com/1128017/how_much_you_need_to_expect_you_ll_pay_for_a_good_cage_murale_crossfit