Acoustical Technician I

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This position assists with the planning for, and determining if, the noise reduction goals are achieved for homes participating in the Chicago Residential Sound Insulation Program (RSIP). This is achieved by conducting windshield surveys, preliminary property surveys, eligibility acoustical tests, home inventory appointments, field measurement appointments, and post-construction acoustical tests. The Technician is required to recommend and verify the efficacy of sound insulation improvements.

Schedules and conducts appointments in homes, conducts acoustical tests, downloads and analyzes collected noise data, prepares electronic test reports, and performs research at both Chicago O’Hare and Midway Airport locations. Works on an individual basis, and in conjunction with other acoustical technicians, following established procedures on routine work but may require detailed instructions on new assignments. Assignments are made by the Manager of Acoustics to whom this role reports, but work is carried out independently.

Performs a visual evaluation of the exterior of potentially eligible single-family homes from the public right-of-way observing and documenting certain acoustically significant physical characteristics of the home on a survey form and then records that data in a shared spreadsheet. Analyzes the collected data for all homes seeking to categorize them based on common physical characteristics indicating that all homes in a specific category would have similar noise reduction properties.

Identifies a representative sampling of each housing category to receive acoustical testing.

Performs an in-home visual evaluation of the interior layout of each dwelling unit in multi-family buildings for the purpose of grouping all dwelling units with the same number of bedrooms and similar physical characteristics and then records that data in a shared spreadsheet. Analyzes the collected data for all dwelling units in a building to determine how many floorplan types exist as well as any variations to those floor plans.

Identifies a representative sampling of each floorplan type and variation to receive acoustical testing.

Contacts property owners to schedule eligibility acoustical tests (pre-construction) and post-construction acoustical tests. Calibrates noise monitoring equipment notifying the Manager of Acoustics of any malfunctions or repair needs. Works independently and as a part of a team to perform loudspeaker (loudspeaker-generated noise source) acoustical tests according to written procedures documenting pre-construction and post-construction noise levels inside and outside of homes. Downloads and analyzes collected noise data to determine pre-construction and post-construction Noise Level Reduction (NLR) values.

Uses results of acoustical testing to confirm the eligibility of homes that apply to receive sound insulation. Compares pre-construction and post-construction NLR values to verify whether or not the program noise reduction goals have been achieved. Prepares and submits an electronic report for each home tested to the Manager of Acoustics for review. Assists the Manager of Acoustics with research and field work relating to acoustical test procedure and methodology improvements.

Conducts in-home meetings with property owners describing each available treatment package. Prescribes acoustical improvements to homes following the established treatment package for products selected by the homeowner as well as established program procedures. Also recommends additional acoustical improvements not included in the established treatment package as necessary if a lack of treatment would impede the Program’s ability to meet noise reduction goals.

Takes detailed measurements of homes and completes a plan view sketch of each property documenting building layout,…