CM141 - Bathymetry & Topographic Surveys - Smalls, Eddystone and Les Hanois Lighthouses
TRINITY HOUSE · up to £90,000
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What the buyer wants
Trinity House seeks suppliers to provide bathymetric and topographic surveys for several lighthouse locations to support feasibility studies for mobilisation methods, with work completion by March 2027.
Trinity House (TH) holds the operation and maintenance responsibility for over 60 lighthouses around England, Wales, the Channel Islands and Gibraltar. These critical aids-to-navigation (AtoNs) include several Rock Tower lighthouses that require regular modernisation and ongoing maintenance.
Accordingly, Trinity House would like to investigate the feasibility of utilising jack-up and floating assets to avoid repeated journeys to these remote locations by helicopter to mobilise personnel, equipment and tools.
To support this investigation, it is important to have accurate bathymetric and topographic surveys of the surrounding area.
In order to ensure successful completion of all survey by the end of March 2027, Trinity House reserve the right to appoint a singular or multiple suppliers to fulfil this requirement.
As a result, suppliers are requested to submit individual costs for each location.
How Tenderoo reads it
The notice reads as suitable for a small or medium-sized firm: the scope, value and requirements are within reach of a business of that size.
Services required
- Topographical services
- Bathymetric surveys
Lots
- Lot 1 (up to £90,000)
Key facts
- Buyer: TRINITY HOUSE
- Estimated value: up to £90,000
- Deadline: 13 November 2026
- Published on: Find a Tender
- First seen by Tenderoo: 23 October 2026
- CPV: 71351810
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