# Determination of the Waterway Parameters as a Component of Safety Management System
## 4 Materials and Methods
### Vessel and Area Parameters
\begin{table}
\begin{tabular}{c c c c} \hline \hline  & **Type of Correction** & **Vessel Speed (kn)** & **Outer Channel** & **Inner Channel** \\  & & **(Open Water)** & **(Protected Water)** \\ \hline \multirow{3}{*}{\(d_{1}\)} & V \(>\) 12 & 0.1 \(B\) & 0.1 \(B\) \\  & \(V\) = 8–12 & 0.0 & 0.0 \\  & \(V\) = 5–8 & 0.0 & 0.0 \\ \hline \multirow{3}{*}{\(d_{2}\)} & Prevailing cross wind (kn): & & \\ \cline{2-4}  & light \(\leq\) 15 kn (\(\leq\)Beaufort 4) & \(V>\) 12 kn & 0.1 \(B\) & 0.1 \(B\) \\  & light \(\leq\) 15 kn (\(\leq\)Beaufort 4) & \(V=\) 8–12 kn & 0.2 \(B\) & 0.2 \(B\) \\  & \(V\) = 5–8 kn & 0.3 \(B\) & 0.3 \(B\) \\  & moderate 15–33 kn (Beaufort 4–7) & \(V>\) 12 kn & 0.4 \(B\) & 0.4 \(B\) \\  & \(V\) = 5–8 kn & 0.6 \(B\) & 0.6 \(B\) \\ \hline \multirow{3}{*}{\(d_{3}\)} & \(V>\) 12 kn & 0.5 \(B\) & 0.5 \(B\) \\  & strong 33–48 kn (Beaufort 7–9) & \(V=\) 8–12 kn & 0.7 \(B\) & 0.7 \(B\) \\  & \(V\) = 5–8 kn & 1.1 \(B\) & 1.1 \(B\) \\ \hline \multirow{3}{*}{\(d_{2}\)} & Prevailing cross current (kn): & & \\ \cline{2-4}  & negligible \(<\) 0.2 & all & 0.0 & 0.0 \\ \hline \multirow{3}{*}{\(d_{3}\)} & \(V>\) 12 kn & 0.2 \(B\) & 0.1 \(B\) \\  & low 0.2–0.5 kn & \(V=\) 8–12 kn & 0.25 \(B\) & 0.2 \(B\) \\  & & \(V\) = 5–8 kn & 0.3 \(B\) & 0.3 \(B\) \\ \hline \multirow{3}{*}{\(d_{4}\)} & \(V>\) 12 kn & 0.5 \(B\) & 0.4 \(B\) \\  & moderate 0.5–1.5 kn & \(V=\) 8–12 kn & 0.7 \(B\) & 0.6 \(B\) \\  & \(V\) = 5–8 kn & 1.0 \(B\) & 0.8 \(B\) \\ \hline \multirow{3}{*}{\(d_{5}\)} & \(V>\) 12 kn & 1.0 \(B\) & – \\  & strong 1.5–2.0 kn & \(V=\) 8–12 kn & 1.2 \(B\) & – \\  & \(V\) = 5–8 kn & 1.6 \(B\) & – \\ \hline \multirow{3}{*}{\(d_{6}\)} & Prevailing longitudinal current (kn): & & \\ \cline{2-4}  & low \(\leq\) 1.5 kn & all & 0.0 & 0.0 \\ \hline \multirow{3}{*}{\(d_{4}\)} & \(V>\) 12 kn & 0.0 & – \\  & moderate 1.5–3.0 kn & \(V=\) 8–12 kn & 0.1 \(B\) & 0.1 \(B\) \\  & & \(V\) = 5–8 kn & 0.2 \(B\) & 0.2 \(B\) \\ \hline \multirow{3}{*}{strong \(>\) 3.0 kn} & \(V>\) 12 kn & 0.1 \(B\) & – \\  & \(V\) = 8–12 kn & 0.2 \(B\) & 0.2 \(B\) \\  & \(V\) = 5–8 kn & 0.4 \(B\) & 0.4 \(B\) \\ \hline \multirow{3}{*}{\(d_{5}\)} & Height (\(h_{F}\)) and length (\(\lambda_{F}\)) of wave (m): & & \\ \cline{2-4}  & \(h_{F}\leq 1\) m; \(\lambda_{F}\leq L\) & all & 0.0 & 0.0 \\ \cline{2-4}  & \(3\) m \(>h_{F}>1\) m; \(\lambda_{F}=L\) & \(V>\) 12 kn & 2.0 \(B\) & \\ \cline{2-4}  & \(3\) m \(>h_{F}>1\) m; \(\lambda_{F}=L\) & \(V=\) 8–12 kn & 1.0 \(B\) & \\ \cline{2-4}  & \(h_{F}>3\) m; \(\lambda_{F}>L\) & \(V=\) 5–8 kn & 0.5 \(B\) & \\ \hline \multirow{3}{*}{\(d_{7}\)} & \(V>\) 12 kn & 3.0 \(B\) & \\ \cline{2-4}  & \(h_{F}>3\) m; \(\lambda_{F}>L\) & \(V=\) 8–12 kn & 2.2 \(B\) & \\ \cline{2-4}  & \(V=\) 5–8 kn & 1.5 \(B\) & \\ \hline \multirow{3}{*}{\(d_{8}\)} & Bottom surface: & & \\ \cline{2-4}  & \(\frac{h}{\lambda}\geq 1.5\) & & \\ \cline{2-4}  & \(\frac{h}{\lambda}<1.5\) & & \\ \cline{2-4}  & soft (mod. clay) & 0.0 & 0.0 \\  & medium (sand. gravel) & 0.1 \(B\) & 0.2 \(B\) \\  & rough (stones. rocks) & 0.2 \(B\) & 0.4 \(B\) \\ \hline \multirow{3}{*}{\(d_{8}\)} & Depth to draft ratio: & & \\ \cline{2-4}  & \(\frac{h}{\lambda}\geq 1.5\) & 0.0 & 0.0 \\ \cline{2-4}  & \(\frac{h}{\lambda}=1.25\div 1.5\) & 0.1 \(B\) & 0.2 \(B\) \\ \cline{2-4}  & \(\frac{h}{\lambda}<1.25\) & 0.2 \(B\) & 0.4 \(B\) \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Additional widths of the traffic lanes for the straight channel sections derived from [24]. The results for all straight parts of the fairway based on the above calculations are presented in Table 4.