City of Spokane

Spokane Municipal Code

***Note: Many local criminal codes can now be located under Chapter 10.60 SMC while others are now cited under the Revised Code of Washington (RCW), which was incorporated into the municipal code in 2022. (See SMC 10.58.010). Code Enforcement, including Noise Control and Animal Regulations are located in Chapters 10.62 through 10.74.

Home
Title 17C
Chapter 17C.182
Section 17C.182.320
 

Title 17C Land Use Standards

Chapter 17C.182 Fairchild Overlay Zones

Section 17C.182.320 Noise Reduction Features and Materials Required
  1. All structures or portions thereof subject to this regulation as specified in SMC 17C.182.310 shall be constructed with sound reduction features and materials necessary to achieve a day/night average interior noise level of forty-five dB in accordance with Department of Navy Guidelines for Sound Insulation of Residences Exposed to Aircraft Operations.
     
  2. The building permit application for a structure subject to this section shall include such additional information as deemed necessary specifying noise reduction features and materials necessary to achieve a day/night average interior sound level of forty-five dB. Information regarding sound reduction features and materials shall be prepared and certified by a Washington State registered engineer, architect or acoustical expert recognized by an acoustical design related association. The plans or revision to such plans shall be certified by the Washington State registered engineer, architect or acoustical expert as follows:

"The construction plans/documents submitted with building permit application______ provide the sound reduction materials and features are consistent with the Guidelines for Sound Insulation of Residences Exposed to Aircraft Operations Chapter as specified in chapter 17C.182 SMC Fairchild Overlay Zone Regulations”

  1. All development subject to this noise reduction regulation shall have the noise reduction features and materials periodically inspected during the course of construction by the engineer, architect or acoustical expert who certified the building plans.
     
  2. Upon completion of construction and prior to issuance of a certificate of occupancy, the sound reduction construction inspector shall submit to the planning services department a signed certification specifying that the required noise reduction features and materials have been completed/installed in substantial conformance with the approved construction documents. The certification shall be included in the building permit file in the planning services department.

Date Passed: Monday, April 30, 2012

Effective Date: Saturday, June 16, 2012

ORD C34852 Section 1