overriding system objectives were not directly considered as this report is intended to identify the tools available to redress noise issues on high noise sources. Untreated Potential Noise Induced Return on dB(A) Service DoD Source Hearing Loss Average Investment Reduction Years (NIHL) Cost (TWA) in Reduction decibels, (dB(A)) Shipboard Diesel Driven 0.2:1 4:1 $774,708,120 110 33 40 – Systems Shipboard 0.2:1 - 2:1 $38,509,074 90 8 35 Gas Turbines Ships and High Speed 1:1 3:1 $49,218,444 97 17 22 – Craft Aircraft Carrier 203:1 509:1 $1,121,310,000 143 13 50 – Operations- On Deck Aircraft Carrier 37:1 44:1 $565,873,000 100 21 50 – Compartments Tracked 0.1:1 1:1 $8,125,110,030 113 16 50 – Vehicles Wheeled 2:1 5:1 $7,958,058,768 90 7 30 – Vehicles Cockpit Noise 0.8:1 4:1 $246,473,773 98 12 35 – Shipboard 11:1 40:1 $3,889,987,680 95 7 40 – Equipment The report is available for use by the Defense Department and contractors as a roadmap for future noise control in acquisition. Although none of the engineering solutions presented for the nine noise sources should be construed as a DoD requirement, the process and approaches provided in this report can be applied to any noise source issue. Reducing noise will improve mission readiness, add to quality of work life, support sustainability efforts, and reduce long term costs to the Defense Department and the taxpayer. Noise Source Reduction Concept and Design Plan summaries for each project noise source and the promising technology, as well as, the Final Brief are provided as Appendices to this report.
overriding system objectives were not directly considered as this report is intended to identify the tools available to redress noise issues on high noise sources. DoD Source Return on Investment Potential Noise Induced Hearing Loss (NIHL) Cost Reduction Untreated Average (TWA) in decibels, (dB(A)) dB(A) Reduction Service Years Shipboard Diesel Driven Systems 0.2:1 – 4:1 $774,708,120 110 33 40 Shipboard Gas Turbines 0.2:1 - 2:1 $38,509,074 90 8 35 Ships and High Speed Craft 1:1 – 3:1 $49,218,444 97 17 22 Aircraft Carrier Operations- On Deck 203:1 – 509:1 $1,121,310,000 143 13 50 Aircraft Carrier Compartments 37:1 – 44:1 $565,873,000 100 21 50 Tracked Vehicles 0.1:1 – 1:1 $8,125,110,030 113 16 50 Wheeled Vehicles 2:1 – 5:1 $7,958,058,768 90 7 30 Cockpit Noise 0.8:1 – 4:1 $246,473,773 98 12 35 Shipboard Equipment 11:1 – 40:1 $3,889,987,680 95 7 40 The report is available for use by the Defense Department and contractors as a roadmap for future noise control in acquisition. Although none of the engineering solutions presented for the nine noise sources should be construed as a DoD requirement, the process and approaches provided in this report can be applied to any noise source issue. Reducing noise will improve mission readiness, add to quality of work life, support sustainability efforts, and reduce long term costs to the Defense Department and the taxpayer. Noise Source Reduction Concept and Design Plan summaries for each project noise source and the promising technology, as well as, the Final Brief are provided as Appendices to this report.
Roadmap_forFutureNoise.docx