Locate and seal of a hole in a water ballast tank on a crude oil tanker

Status
Completed

When
2016

Where
Gothenburg

Work scope:
At December 28:th, Frog Marine Service was contracted to locate and seal of a hole in a water ballast tank on a crude oil tanker, anchored on Danafjord,
outside Gothenburg. FMS hade to install a cofferdam over the 40 mm big hole to allow for welders from Scanunit to work from the inside.
Equipment used:
Cofferdam
Bracket to push cofferdam tight against the hull.
Welding machine to tack weld the bracket on to flat bottom. (temporary installation)
Diving boat Frog Taurus
Magnet and hand tools.

Crew:
Diver
Master diver
Rescue diver/Dive tender
Skipper

Partners:
Scanunit

Towing and installation of river channelisation for cabling for the new Marieholm bridge.

Status
In Progress

When
2016

Where
Marieholm

FMS has, while using Frog Taurus, Frog Rana and workboats, been responsible for towing and installation of river channelisation for wires to the new Marieholms bridge.
FMS contributes to boosting relations over the river and thus ease the flow of traffic in western Sweden.

Towing bridge element to the Marieholms connection

Status
In Progress

When
2015

Where
Frihamnen, Göteborg

FMS has with the help of Frog Cygnus and Frog Rana assisted in towing large bridge elements to the new Marieholm connection. The safely performed mooring took place by our barge Frostig.

SALVAGE AND DESTRUCTION OF MOTOR FISHING VESSEL

Status
Completed

When
2015

Where
Junokajen, Uddevalla

FMS has successfully salvaged an old motor fishing vessel from 1950 that has been sunk for about two years at the Juno quay in Uddevalla. The clients were Kronofogden and Uddevalla kommun. The ship was 22.5 x 6.5 meters with a draft of 3.5 meters. The ship weighed 135 tons after we pumped out the water and sludge sucked. We rented Mobile cranes from Havator.

Skanska Projekt Skeppsbron Gothenburg

Status
In progress

Where
Göteborg

We help skanska with all possible resources such as diving , dredging , shape , reinforcement and concrete, both above and below the surface

Hull Cleaning Propeller Polishing

Status
In progress

Where
Norway, Sweden, Denmark and Östersjön

For increased propeller efficiency and reduced fuel consumtion we perform propeller polishing and hull cleaning.

Mooring ropes in the propeller

Status
Completed

When
Mar 2015

Where
Halmstad

FMS has effectively removed a large hawser from the propeller of Dettifoss in Halmstad

Petrokemical plant In Stenungssund

Status
In progress

When
Unknown

Where
Stenungssund

We are often working at the petrokemikal lants in Stenunssund
We have experienced and well trained personal.

The new Marieholms bridge

Status
In Progress

When
Dec 2013 – 2014

Where
Göteborg

In collaboration with Strabag performs FMS casting of joint pain and turned docks during the winter spring 2014

Salvage of barges

Status
In Progress

When
Jan – Feb 2015

Where
Göteborg

FMS on behalf of Boskalis and The Swedish Transport Administration salvaged two barges from the bottom at Marieholms in Gothenburg.

The work has been carried out for 6 weeks in January-February 2015 with a Dive Team from Händig and piperaft with work boat Aluett and Uttern.

Ormo Saltwater Barrier

Status
Not yet started

When
Dec 2014

Where
Nordre Älv

Together with NCC , we will in the next few years working with the renovation of saltwater catch in the Northern River

Seapipe Alingssås town, Skår-Simmenäs

Status
In Progress

When
Sep 2014 – Jan 2015

Where
Alingssås kommun, Skår-Simmenäs

FMS have successfully performed seapipe 3120 m x 2, TS125PE, and performed pumpstation at Alingsås town.

The workforce consisted of Dive Team and construction as well as an excavator

Hullcleaning

Since summer 2014 are FMS in cooperation with GAC EnviroHull performing enviromental approved hullcleaning in all Scandinavian waters. There have been very positive  reaktions in the market for the new technique that is used

Underwater pipe-line in Lerkil

Status
Completed

When
Mar 2011

Where
Lerkil, Kungsbacka

Frog are placing a 1880 m long underwater pipe-line with a diameter of 560 mm. The client is Kungsbacka kommun.

Underwater pipeline, Pålnäsviken-Älgö

Status
Completed

When
Feb – Maj 2011

Where
Pålnäsviken – Älgö

12 kilometres of LPS and water pipeline is to be laid between Pålnäsviken and Älgö at Saltsjöbaden in Sweden. The excavated material at the abutment is polluted which means thatknowledge of how to handle hazardous material will come in handy. Apart from this the challengelies in weighting and laying the pipeline from the ice. The project is expected to be completed in May 2011.

Protective wall in Lundbyhamnen

Status
Completed

When
Mar 2011

Where
Göteborg

A protective wall is built between “Kvillepiren” and the jetty. The wall will prevent puluted dredged material from spreading into the river. An environmental sheet also prevents turbidity particles from spreading.

Underwater pipeline Svensbyfjärden

Status
Completed

When
Aug – Okt 2010

Where
Piteå

Underwater pipeline awaiting towing and lowering

Jordfallsbron

Status
Completed

When 
Aug 2010

Where 
Bohus

Bottom Probing

Status
Completed

When 
Aug 2010

Where 
Lofoten

In early August drove three of our guys 520 mil with a steel catamaran on the bogie trailers to Lofoten for a job. Faced with a cable-laying in Lofoten, we supplemented our partners MMT AB by making a probing of the ground conditions. The survey was conducted with lance according elaborate standard.

Geodrilling Göta Älv

Status
Completed

When 
Aug – Nov 2010

Where 
Göta-Älv from Marieholm to Vargön

Frog Castor and Jack-up crew is currently performing a geological survey that will be the basis for a landslide risk report for Alvdalen.

Castings Axelfors

Status
Completed

When 
Aug – Okt 2010

Where 
Axelfors

Castings behind the river gaps.

Demolition of Ro-Ro ramp

Status
Completed

When 
Jul – Dec 2010

Where
Göteborg

Manufacturing of pollarfundament and demolition of the concrete ramp in progress. Concrete ramp (500m2) will be removed and 70 concrete piles cut at the bottom. In total there are about 1,000 tons of concrete to be demolished and no material gets into the water. Ship Tempering continues as usual.