All owners or occupants of lots in the city who require water from a main ditch for irrigation or other purposes shall dig ditches, erect flumes, lay pipes and install culverts, as needed, and maintain the same to convey water under sidewalks to or from their respective lots. All culverts, ditches, pipes and flumes conveying water under sidewalks shall meet such reasonable standards and specifications as may be established by the public works director. (Ord. 2006-18, 2006)