Provides technical assistance and information concerning code requirements, code interpretation, code compliance, and related issues; discusses construction plans, the permit process, current status of plan review, problem areas, changes, needed corrections, and contractor responsibilities with property owners, developers, contractors, subcontractors, and architects; recommends solutions to problems; responds to questions or complaints, researches problems, and initiates problem resolution; provides information and technical expertise to other staff members; assists front counter staff in explaining relevant information to customers. Mathematical Aptitude : Requires the ability to perform addition, subtraction, multiplication and division; ability to calculate decimals and percentages; may include ability to perform mathematical operations with fractions; may include ability to compute discount, interest, profit and loss, ratio and proportion; may include ability to calculate surface areas, volumes, weights, and measures.