we have dan gray who is allianced surveyor, with 30 years of experience taking a look at the site we have bret fer rar ree, who is an engineer to discuss the site conditions i would like to speak about the abatement for context, and ask the experts to speak briefly on their representative topics first as we mentioned in our brief, the control of these retaining walls, is in dispute between three adjacent property owners it's not resolved as a practical matter, it should be determined before the city imposes fines to take action to repair them, as a policy matter allowing the abatement to move forward, is undesirable, because of dbi and ownership responsibility of the wall it may encourage owners to use dbi enforement over issues of property lines, for these reasons, we're asking the aabatement is held in advance, until this issue is resolved. two of the three adjacent properties, the land surveys, the wall is located on the entire properties that is incorrect. the measurements on the survey, that was relied upon, portions of those walls are located on all three properties, if dbi is