Establishing base points in the northern part of the island for demarcation of straight baselines for Sri Lanka, under the United Nations convention on the law of the sea
On the request of the DEOCOM (Delineation of Outer Continental Margin) Project Office, the hydographic unit of the Sri Lanka Navy planned and executed the base point measurement survey successfully from 14th to 17th November 2004. The entire survey was a joint effort involving the Survey General Department, National Hydrohraphic Office & DEOCOM office. During the survey three survey teams simultaneously observed selected base points from Point Pedro to Talaimannar. Apart from the survey, beach sampling, station recording & establishing new permanent markings were also done during the period. The survey teams also visited the islands in the Northern part of the country for establishing base points since this is the first time the country was surveyed for such purposes. The survey general department kept their base station operating for the entire duration hence the survey was completed with highest accuracy using the modern survey techniques and processing means.
A survey team setting one of the GPS observation station in one of the sand islet at the Adems Bridge.	Navy boat crew try their best to keep the boat from Broaching in the sand bars. The environment is very peculiar & unpredictable in the sand bars, and it is intended to conduct a survey/study of area very soon.
The Survey team each comprising Naval hydrographers, Land surveyors, geologists, civilian hydrograpers and Survey Recorders were able to cover the planned activities as per the schedule and expressed their appreciation   to the Navy for the facilities provided. A joint effort of this magnitude was an eye opener they said, of what an integrated approach could achieve in fulfilling national requirements.