210
S. Simion et al.
Point 5 noise level 64.2 dB(A)
Point 6 noise level 78.0 dB(A)
Point 7 noise level 90.8 dB(A)
Point 8 noise level 86.6 dB(A)
Fig. 2 (continued)
• placement of sound insulating panels/screens close to the limestone loading lines
or bordering the limits of UMS silo area;
• treating wagon generating a load noise level of up to 92 dB (A) with sound
absorbing materials;
• lowering limestone dropping heights when loading wagons using adjustable
troughs to reduce the drop height from 1.5 to 0.50 m.
These solutions can be achieved using measures suggested in the following
synthetic plan:
• placement of sound insulating panels/screens close to the limestone loading lines
or to premises limits in the UMS silo area;
• acoustic treatment of wagons (use of sound absorbing paints or fitting rubber
terries under wagons, their placement in the wagon being not viable because of
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