The Industrial Green Game Implications for Environmental Design and Management (1997) / Chapter Skim
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Europipe Development Project: Managing a Pipeline Project in a Complex and Sensitive Environment
Europipe Development Project: Managing a Pipeline Project in a Complex and Sensitive Environment
Pages 154-164
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From page 154... ...
To ensure a high level of environmental performance and strict adherence to all regulations, permits, and requirements, Statoil prepared a detailed environmental protection plan for the pipeline project. A particularly important feature of this plan is the inclusion of a set of environmental documents in which the contractors state their commitment to environmental protection by identifying environmentally critical operations, prescribing appropriate environmental measures, and giving detailed work instructions for proper job execution, control, and verification.
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From page 155... ...
The resulting Statpipe/ Norpipe gas pipeline from the Ekofisk Fields to Emden was operational in 1977. After the Troll gas sales agreement in 1986, a decision was made to develop the Troll and Sleipner gas fields; the Zeepipe pipeline was landed in Zeebrügge in Belgium and commissioned in 1993.
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From page 156... ...
The increased demand would result from higher sales volumes under existing agreements and new additional gas sales agreements signed by German and Dutch buyers. To meet the increased gas supply obligations, several supply alternatives were examined, including updating the existing pipeline systems to higher operating pressures; changing the gas delivery points for certain requirements; building an offshore pipeline to Denmark and an onshore pipeline through Denmark and Germany to Emden; and building an offshore pipeline to the Netherlands or to Germany with a connecting onshore pipeline to Emden.
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From page 157... ...
The pipeline is laid across a large sand bank and up the tidal channel between Baltrum and Langeoog Island; it continues until the coastal wetlands of the Wadden Sea are reached at the Accumersieler Balje (Figure 2) , where a 12-m-diameter, 20-mhigh cylindrical tie-in chamber is used to recover the tunnel boring machine and to install the pipeline tie-in connections (Figure 3)
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From page 158... ...
A 2.6-km tunnel is being driven between the tie-in chamber and dry land behind the dikes. In Emden, Europipe will connect with the distribution network operated by the gas buyers.
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From page 159... ...
It is a complex environment comprising a network of tidal channels, sand bars, mud flats, and salt marches. Approximately half of the Wadden Sea lies exposed at low tide.
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From page 160... ...
160 FIGURE 4 The construction of the 2.6-km tunnel under the Wattenmeer wetlands of the Wadden Sea that are exposed at low tide. SOURCE: Statoil, 1993.
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From page 161... ...
EUROPIPE DEVELOPMENT PROJECT FIGURE 5 The coast traversed by the Europipe gas line. SOURCE: Statoil, 1993.
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From page 162... ...
To ensure a high level of environmental performance and strict adherence to all regulations, permits, and requirements, Statoil has prepared a comprehensive environmental protection plan. This plan covers the need for environmental studies, environmental impact assessments, ecological monitoring programs, communication with authorities, internal and external communications, information and training, ecological compensation measures, environmental management of construction activities, and environmental audits, verifications, and management reviews.
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From page 163... ...
Because of the environmental precautionary measures taken, the final conclusions of the ecological monitoring program should show limited adverse environmental damage with few or no permanent effects. Environmental Management of Construction Activities Particularly important to the environmental protection plan are implementation, control, and verification of the specific environmental protection measures required to ensure minimum or no adverse environmental effects of the construction activities.
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From page 164... ...
Preliminary indications are that the environmental management approach chosen by Statoil is effectively managing the complex environmental challenges of the project. BS 7750 has been very useful in creating the required contractor commitments to environmental protection and as a guide in developing appropriate environmental measures.
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