Geotechnical and Inspection


Geo-Mara has extensive experience in cone penetration testing.  Our geotechnical staff are competent and experienced in the use of most standard industry systems. 


Geo-Mara has extensive experience in vibrocoring.  Our geotechnical staff are competent and experienced in the use of both hydraulically and electrically powered systems.  We have worked in all water depths from shallow coastal areas to deep ocean waters.

Sediment Sampling and Analysis

Geo-Mara use a variety of techniques for sediment sampling and analysis. All assessment work is carried out in accordance with the specifications of our sampling procedure manual and QA system.  These are based on OSPAR and BS Guidelines.

ROV Survey and Inspection

Geo-Mara have a Sub Atlantic -Cherokee ROV.  The Cherokee is a medium sized high performance ROV which can be used for a variety of underwater tasks such as observation, survey pipelay support and inspections. The rigid open frame design allows for the addition of a varied payload of equipment and sensors.

To date we have fitted the unit with a multibeam echo sounder, Teledyne TSS cable and pipe tracker, a six function manipulator, USBL, side scan sonar and scanning sonar, The Cherokee is controlled from a specially designed control cabin and through specific controller software. This arrangement is particularly suited to pipeline and cable tracking where following of a pre-determined course is of utmost importance.

The Cherokee has already been deployed on a number of projects cable and sub sea asset surveys utilising both the multibeam system and the cable tracking system. It has produced exceptional results.

Geo-Mara Ltd.: Cois Cuain, Ballynamanagh, Clarinbridge, Co. Galway, Ireland.   Tel: +353 (0)91 485790