(1) Construction of improvements shall not commence until plans and profiles for such work have been approved by the director.

(2) All improvements shall conform to the Standard Construction Specifications for the city of Pullman as adopted by ordinance; however, the director may require special treatment if unusual conditions warrant such treatment.

(3) All improvement plans shall be prepared by an engineer licensed by the state of Washington. Plans shall include extensions necessary to connect with existing streets and utilities. Plans shall show sufficient data to indicate that streets and utilities can be logically extended into future adjoining subdivisions. (Ord. 80-42 §17, 1980).