A professional engineer licensed by the state of Washington shall certify in writing, over his or her seal, that both construction plans and final construction of the small wireless facilities and structure or pole and foundation are designed to reasonably withstand wind and seismic loads as established by the International Building Code. Further, the construction drawings shall depict all existing and proposed improvements related to the proposed location, including but not limited to poles, driveways, ADA ramps, equipment cabinets, street trees and structures within 250 feet from the proposed site. The construction drawings shall also include the applicant's plan for electric and fiber utilities, all conduits, cables, wires, handholes, junctions, meters, disconnect switches and any other ancillary equipment or construction necessary to construct the small wireless facility.