Controlling Machinery Induced Underwater Noise - NOAA
Controlling Machinery Induced Underwater Noise - NOAA
Controlling Machinery Induced Underwater Noise - NOAA
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Treatment Effectiveness<br />
Treatment<br />
Vibration Isolation – passive<br />
$20-$400/mt<br />
$20 $400/mt<br />
Raft mount equipment<br />
Steel framing<br />
Acoustic Insulation<br />
3 to 8 pcf; pcf;<br />
$1-$4/ft $1 $4/ft2 Damping; 2-3 2 3 psf; psf;<br />
$8-$12/ft $8<br />
$12/ft 2<br />
Bow Thruster Treatments<br />
NCE/<strong>NOAA</strong> Symposium<br />
AB<br />
0<br />
0<br />
5-10 10<br />
0<br />
10<br />
FSB<br />
10- 10<br />
20<br />
5<br />
0<br />
5-10 10<br />
10<br />
SSB<br />
0<br />
0<br />
5-10 10<br />
5-10 10<br />
“Quiet Vessel” approximately 7% to 10% total cost of vessel. Quiet R/V<br />
15% to 20% cost of vessel.<br />
Values are approximate dB reduction of overall sound.<br />
10
Change language