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POL Government Elected Officials Auditor Griffin-Valade Charter, Code & Policies City Code & Charter Online Code & Charter Title 18 Chapter 18.08  City Bureaus
18.08.030 Product Selection.

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 which has the lowest sound level shall be selected for purchase, provided that:

 
A. Fitness and quality are judged to be equal, and
 
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
 
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.