All City bureaus will, to the fullest extent consistent with their authorities under other Titles administered by them, carry out their programs in such a manner as to further the provisions of this Title, and will cooperate to the fullest extent in enforcing the provisions of this Title.

All bureaus engaged in any activities that result or may result in the emission of sound will comply with federal and state regulations and the provisions of this Title respecting the control and abatement of sound to the same extent that any person is subject to such laws and regulations.

1. When two or more products, including supplies, materials and equipment, are being considered for purchase by a City bureau and excessive sound levels are a factor, the product that has the lowest sound level will be selected for purchase, provided that
2. A.  Fitness and quality are judged to be equal, and
3. B.  The procurement cost of such product not exceed the total cost required to purchase a competing product and to reduce the sound emission level of that competing product to the lowest level of the product being considered, and
4. C.  The total cost of the purchase being considered not exceed 110 percent of the cost, prior to silencing, of the most advantageous product of the types being considered.