Positions quoted in this Preliminary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC. Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected. 227(P)/26 CHINA — East Coast — Works. Source: Chinese Bulletin 40/25 1. Wharf construction works are taking place, within an area bounded by the following positions: 30° 41' .14N. , 122° 23' .88E. 30° 41' .15N. , 122° 23' .90E. 30° 40' .60N. , 122° 24' .13E. 30° 40' .59N. , 122° 24' .11E. 2. Mariners are advised to navigate with caution in the area. (CGCS 2000 DATUM)