Offshore Windfarm Works    Survey - Video & Positioning   Capital and maintenance dredging   Piling Works   Stone Works   Diving Works   Pipe and Cable Works   Miscellaneous Works   ............................   REFERENCE LIST     For the past 50 years PETER MADSEN REDERI A/S has been one of the leading contractors within the danish seabed cable and pipe-laying sector.   The company has both the personnal and the technology to be able to carry out many types of marine cable or pipelines  work such as:   Digging of trenches. Laying or removal of pipe, diffusers and cable runs. Backfilling of trenches and the re-establishment of the seabed.   Wether the projectis a district heating pipeline, water pipeline, gas pipeline or electric cable, and whatever the type of cable or pipe; plastic, concrete, steel or copper, we can guarantee a well-executed and well-documented contract. Nor does it matter if the diameter is 10 or 20.000 cm, we can dig, place and backfill it.   PETER MADSEN REDERI A/S controls a comprehensive fleet of specialised but versatile vessels. The large vessel M/V GRETE FIGHTER is equipped with a Demag H95 hydraulic excavator, which can dig trenches in even the hardest of marine clays and chalk. On the other end of the scale is M/V GRY MADSEN, a vessel that can take advantages of its smaller size to work in confined spaces and shallow waters.   With the inclusion of further special equipment, such as high-powered water-jet-trench cutters, and chain-excavators, capacities can be further optimised.   All og the fllet uses the latest advances in positioning and dredging monitoring along with the possibilities for underwater video filming and seabed mapping, meaning that the company can guarantee a high degree og Quality Assurance with full documentation to any prospective client.