Tank Pad The concrete area that is commonly found at grade level over the top of an underground storage tank. See also PEI/RP900. By rhys|2014-10-23T13:46:07+00:00October 23rd, 2014|Comments Off on Tank Pad Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: rhys