English to French Tech/Engineering Surveying at sea survey

Planning and Execution for GI, Survey and Metocean
2.1 - Project Organization of GI works
Two drilling teams, one survey team and one laboratory team, will be arranged for GI work. The project organization is shown as the following figure 2-1，the personnel seen the Appendix B.1-the personnel for GI work.

From a document detailing the studies to be carried out for the construction of a port.
All 3; Survey, GI & Metocean are specific types of works required for the feasibility study for this project but I cannot find anything on GI work.

Your help with reference and/or explanation would be greatly appreciated.