The resulting sound power level is calculated by:

1. i)

   if telescoping is applicable

   $L_{\mathrm{WA}}=\mathrm{10\; log}\left(\mathrm{0,4}\times {10}^{\mathrm{0,1LWAa}}+\mathrm{0,25}\times {10}^{\mathrm{0,1LWAb}}+\mathrm{0,25}\times {10}^{\mathrm{0,1LWAc}}+\mathrm{0,1}\times {10}^{\mathrm{0,1LWAd}}\right)$
2. ii)

   if telescoping is not applicable

   $L_{\mathrm{WA}}=\mathrm{10\; log}\left(\mathrm{0,4}\times {10}^{\mathrm{0,1LWAa}}+\mathrm{0,3}\times {10}^{\mathrm{0,1LWAb}}+\mathrm{0,3}\times {10}^{\mathrm{0,1LWAc}}\right)$

where

L_WAa is the sound power level for the hoisting cycle

L_WAb is the sound power level for the slewing cycle

L_WAc is the sound power level for the derricking cycle

L_WAd is the sound power level for the telescoping cycle (if applicable)