MAR8048 : Subsea Surveying, Positioning and Installation

Semester 2 Credit Value: 10
ECTS Credits: 5.0


A1. To explain the basis, significance and application of subsea surveying techniques.
A2. To provide the knowledge required to understand the factors influencing the installation of subsea equipment including the effects of geotechnics.
A3. To explain the methods and equipment used for subsea installation of pipelines, risers and umbilicals.

Outline Of Syllabus

1. Subsea Surveying and Geomatics (6 hours): Introduction to the principles of subsea surveying and geomatics including bathymetry and seismic surveys, positioning systems (surface positioning, visual positioning, GPS and electromagnetic positioning techniques.
2. Offshore Geotechnics (6 hours): Relevance of geotechnics to subsea engineering, including soil and rock formation, types of soil and rock, seabed stability and scour, trenching and protection.
3. Trenching and Backfill Equipment: (6 hours) Trenching, backfill and piling operations subsea, including the equipment used and the operation factors considered for a successful operation.
4. Installation of Fixed and Flexible Pipelines and Umbilicals: (6 hours) Pipelay techniques including J-lay, S-lay, reel-lay, towing and umbilical lay, detailing the principles of design for installation and including the procedures and equipment used for installation.

Teaching Methods

Teaching Activities
Category Activity Number Length Student Hours Comment
Guided Independent StudyAssessment preparation and completion112:0012:00Examination Revision
Guided Independent StudyAssessment preparation and completion12:002:00Examination
Scheduled Learning And Teaching ActivitiesLecture46:0024:00Including tutorials
Guided Independent StudyDirected research and reading162:0062:00Includes background reading and review of lecture notes for a full understanding of material
Teaching Rationale And Relationship

Directed study and the formal lectures will provide an effective method for students to assimilate the knowledge content, define the scope of the syllabus topics and attain the required knowledge and skill (ISO1-2) outcomes. The directed study allows students to work through material at their own pace allowing them to develop an in-depth understanding of the material (IKO1-3).

Assessment Methods

The format of resits will be determined by the Board of Examiners

Description Length Semester When Set Percentage Comment
Written Examination1202A100N/A
Assessment Rationale And Relationship

The exam tests acquisition of a clear general knowledge of the subject plus the ability to think and analyse a problem quickly, to select from and to apply both the general knowledge and detailed knowledge of aspects of the subject. The exam also assesses problem solving skills, the ability to work unaided and to communicate clearly and concisely in writing.
The Graduate Skills Framework entries indicated as 'A' are also assessed in this way.

Reading Lists