Notice is hereby given to all mariners and other parties concerned that:
1. Reference: Message from Commander, Coast Guard District Central Visayas dated 02 February 2018.
2. This pertains to the Bathymetric survey in Cebu-Mactan channel that will be used in preparation for the construction of the Cebu-Cordova Link Expressway. Said requirement is needed for more accurate planning and preparation not only for design and construction but for safety coordination as well. The duration for the activity will be from 07 February to 15 March 2018 bounded by the following coordinates:
| POINT | LATITUDE | LONGITUDE |
| POINT 1 | 10° 15’ 34.76” N | 123° 52’ 23.54” E |
| POINT 2 | 10° 17’ 52.52” N | 123° 54’ 48.85” E |
| POINT 3 | 10° 15’ 57.39” N | 123° 56’ 19.09” E |
| POINT 4 | 14’ 24.39” N | 123° 57’ 28.81” E |
| POINT 5 | 12’ 51.87” N | 123° 55’ 04.58” E |
| POINT 6 | 14’ 02.03” N | 123° 53’ 20.41” E |
3. In this connection, all ships/watercrafts transiting the vicinity of the abovementioned areas are advised to take note of the information and take necessary precautionary measures at all times.
4. The cooperation of all concerned in effecting widest dissemination of this information is requested.