(PESIA) Weg naar Zee 2D Seismic - Staatsolie

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P-all consultants Staatsolie Maatschappij Suriname N.V. PESIA Weg naar Zee 2D Seismic 2012 5. (POTENTIAL) IMPACTS AND PROPOSED MITIGATION MEASURES 5.1 IMPACTS ASSESSMENT METHODOLOGY Expected significance of potential impacts that could result from the Project are determined in qualitative or quantitative figures and listed by their significance class. The following attributes are used: • magnitude • geographical scale • duration • probability of occurrence Impacts are classified as: • positive: indicating whether the impact will have a positive (beneficial) effect; or • negative: indicating whether the impact will have a negative (adverse) effect on the environment and on the affected population. The degree of detail enabled the determination of required mitigation and possible enhancement measures, respectively to prevent or reduce significant negative impacts and to promote any positive impacts already in the planning phase. The implementation of mitigation measures will reduce negative environmental impacts to an acceptable level. After implementation of mitigation/enhancement measures the significance of the impacts are again determined. Determination was done in a session involving all experts engaged in conducting the PESIA. The impact assessment methodology, described below, is an adjusted format from previous used formats in Staatsolie PESIA studies that were conducted by Noordam and Teunissen. Operational definitions of severity and a simplified overall significance table are added to the description of the methodology. The significance of an impact is defined as a combination of the severity of the impact occurring and the probability that the impact will occur. The significance of each identified impact is rated according to the methodology set out below: The intensity/magnitude/size, scale and duration of the impact are determined according to Table 14 and 15. Table 14 Defining the intensity/magnitude/size of the impact Rating Description of Rating Natural environment Socio-cultural Health/safety High Irreversible damage Irreparable damage to highly Event resulting in loss of to highly valued valued items of cultural life, serious injuries or species, habitats or significance, or social chronic illness; ecosystems functions or processes are hospitalization required 66
P-all consultants Staatsolie Maatschappij Suriname N.V. PESIA Weg naar Zee 2D Seismic 2012 Medium Reversible damage to species, habitats or ecosystems Low Limited damage to biological or physical environment severely altered Repairable damage to items of cultural significance, or impairment of social functions and processes Low-level damage to cultural items, or social functions and processes are negligibly altered (nuisance) Table 15 Defining duration and scale of the impact Rating Definition of Rating 67 Event resulting in moderate injuries or illness; may require hospitalization Duration– the time frame for which the impact will be experienced Short-term Up to 1 month Medium-term 1 - 3 months Long-term More than 3 months Scale– the area in which the impact will be experienced Small Localized spot Medium Part of study area Large Study area or beyond Event resulting in annoyance, minor injuries or illness, not requiring hospitalization The Severity Rating of the impact is determined by combining the magnitude of the impact with duration and scale of the impact as set out in Table 16. Table 16 Determination of the Severity Rating of the impact Magnitude Duration and/or Scale High Medium Low Long-term and/or Large-scale High High Medium Medium-term and/or Mediumscale High Medium Low Short-term and/or Small-scale High Low Negligible Severity is considered: • High: when duration is > 3 months, impacts affect the whole study area and even beyond, impacts will probably be irreversible and even catastrophic on humans and the environment, and regeneration will only be possible with intervention. • Medium: when duration is 1 – 3 months, effects a small number of local households but these households can adapt to the impacts, ecosystems integrity will be affected to the extent that it can recover on its own regeneration processes.
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(PESIA) Weg naar Zee 2D Seismic - Staatsolie

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