48-951. Public records; duties of engineer A. The superintendent shall keep his office and records in the office of the board of directors. B. The district engineer shall do the surveying and other engineering work necessary under this article. He shall prepare the plans, specifications and estimates, and shall survey and measure the work to be done under improvement contracts and estimate the cost thereof. Every certificate signed by the engineer in his official character shall be prima facie evidence of the truth of its contents. He shall keep a record of all surveys made by him which shall become the property of the district and be filed in the office of the board of directors.
Arizona Legal Code