5-5-7: CITY CONTRACTS AND PURCHASES:
   A.   Compliance Required: It is the policy of the city to comply with the noise emission standards as set forth in this chapter in its own operations, and the operations of its contractors and subcontractors shall be notified of and required to comply with the provisions of this chapter.
   B.   City Purchases: It is the policy of the city to purchase only equipment which complies to the standards established for the same by this chapter. (1984 Code § 23A-2)