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Monday, July 19, 2010 |
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Marine works at Malongo Dock scheduled for completion in 2010
:: News
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Marine works at Malongo Dock scheduled for completion in 2010
Source: Arnold van Taak
The Malongo Dock Expansion Project, situated at Malongo Base in the Cabinda Province of Angola is scheduled for completion later this year. This marine works project entails the construction of an extension to the existing jetty and will provide additional moorings to accommodate the increased shipping to Cabinda Gulf Oil Company’s (CABGOC) offshore oil production facilities.
This design and construct project consists of a reinforced concrete deck 280m long x 14m wide x 400mm thick. The top of the concrete level is approximately 5.3 meters above Chart Datum (lowest low tide). The deck span in the longitudinal direction between supporting beams is spaced at 6.21 meters. The supporting beams span in the short direction (between three rows of 914mm diameter structural piles), each measure 28m long. A total of 138 structural piles were driven plus an additional 36 fender piles.
A double skin sheet pile wave wall has been constructed along the length of the dock on the sea side, protecting the moorings from the incoming swell. The wave wall is stabilised with mass concrete, and protected from corrosion with cathodic protection. The sandy seabed along the wave wall is protected from scouring by the installation of sand filled geo-textile bags.
Key to the success of the project is the good teamwork and communication between our client, our South African staff and our local employees. Where necessary translators effected communication, however both language groups adopted words from each other’s language, with some Stefanutti Stocks Marine foremen even mastering a little Portuguese since their arrival in Angola.
Stringent oil industry safety practices had to be incorporated into the work, complying with our client’s expectations – our general monthly safety audit consistently returns scores of over 95% compliance. Currently we are making good progress on all work fronts and look forward to handing over the completed works to a satisfied client, on time, later this year.
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