I could possibly be mistaken but I feel NFPA 54 addresses it as adequate clearance shall be maintained to allow cleansing, support and so forth. without dimensional conditions. I take advantage of R104.eleven Substitute materials, layout and methods of development and equipment to reference IFC 312. Especially this sentence: Compliance https://garage20975.mysticwiki.com/1436506/a_secret_weapon_for_garage_smart_lifts