The silt curtain shall be installed from the water surface to the seabed level and shall be regularly maintained in good condition throughout the dredging and other related underwater activities.
英
美
- 隔沙網(wǎng)須由水面伸延至海床，將挖泥作業(yè)范圍完全圍封，并為各項挖泥工程提供遮罩。隔沙網(wǎng)須在整個(gè)挖泥及其他相關(guān)水底作業(yè)進(jìn)行期間，保持良好的狀況。
