Azura-Edo Independent Power Plant Environmental Impact ... - IFC

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the Study Area, however as much as possible the site will be covered in gravel or an equivalent porous material. Diesel will be stored on site during operation for the black start diesel units and constitutes a potential impact if there are any resulting spills. Incorrect waste disposal may also result in potential soil contamination. Impact Significance The negative impacts on soil will be long-term, for the lifetime of the project and are local, restricted to the site and adjacent areas. The impact magnitude is therefore considered to be minor. Given the low sensitivity of the surrounding areas, which are already disturbed, the resulting impacts are considered to be minor prior to mitigation. Furthermore it should be ensured that to the extent possible the site is covered with gravel or equivalent materials to ensure that the impacts on run-off are kept to a minimum. 7.5.3 Impact Description and Significance: Decommissioning Impact Description It is assumed that decommissioning will involve removal of the plant and equipment and restoration of the site. It is possible that the site will be redeveloped for other industrial use, depending on the situation at the time of the end of the Project’s life. For this assessment it is assumed that the decommissioning activities will include dismantling and demolition of Project facilities as well as subsequent earthworks and site levelling. Since certain areas of the site are likely to be covered with hard standing, this would be removed. The resulting disturbance and associated soil compaction could result in negative impacts such as increased erosion. Improper handling of the waste generated during decommissioning from the dismantling and demolition activities could result in contamination of soils. After decommissioning, the soil profile will be allowed to be re-established through artificial means and through colonisation by plants. Impact Significance The impacts on soil during decommissioning will be local and temporary and the magnitude is therefore considered to be low. The soil on the Project site will have already been modified and disturbed to a large degree once the decommissioning phase of the Project occurs and the receptor is therefore considered to be low. The overall significance of the impacts on soils during decommissioning are minor prior to mitigation. AZURA EDO IPP 7-39 DRAFT EIA REPORT
7.5.4 Impact Description and Significance: Summary Table 7.16 illustrates the summary of Project impacts on the soil on site. The summary takes into account impact magnitude, receptor sensitivity and the resulting impact significance pre and post mitigation. Table 7.16 Summary of Impact Significance Pre-mitigation Phase Impact Significance (premitigation) Construction Removal of soils, increased erosion and Moderate Negative potential contamination Operation Compaction and increased erosion, potential Minor Negative contamination Decommissioning Disturbance to soil profile, increased erosion Minor Negative and potential contamination 7.6 WATER RESOURCES Impacts on water resources during the construction, operation and decommissioning of the Project will arise from Project activities which may lead to the contamination of water resources from construction, operation and decommissioning activities as well as from the use of local water resources to provide water. The Project intends to obtain all the water required from a borehole that will be sunk on the Project site. 7.6.1 Impact Description and Significance: Construction Impact Description The two main activities that may result in impacts on hydrology and hydrogeology are the: • Potential contamination of groundwater resulting from construction of borehole(s) and accidental spills resulting from drilling; and • Construction of boreholes to abstract groundwater; actual water use; and construction activities which may result in contamination of water resources. Site clearances and preparation activities, including the removal of soils and vegetation could result in increased surface water run-off and sedimentation of surface water bodies. The nearest surface water body (a moat) is located 800 m from the boundary of the Project site which is fills up during the rainy season, and has the potential to impacted by increased sedimentation due to Project activities. In addition effluent generated from the site will be discharged into the moat in accordance with Nigerian, WHO and World Bank effluent discharge requirements. AZURA EDO IPP 7-40 DRAFT EIA REPORT
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Public Disclosure Authorized Public
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EXECUTIVE SUMMARY INTRODUCTION Azur
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• Screening and scoping • Basel
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In addition to predicted impacts fr
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International Standards and Guideli
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Figure 1 Layout of Proposed Power P
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Type of Emission Solid waste All so
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NIPP were used for NO 2. The result
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analysis are both qualitative and q
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other forms of salary jobs or servi
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Table 4 Summary of Impacts, Mitigat
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Impact Impact Description Phase Pre
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Box 2 Mitigation Hierarchy for Plan
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safety impacts are reduced to minor
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5.2 METHODOLOGY 5-2 5.3 DEMOGRAPHIC
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Annex G - Unplanned Events and Emer
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IAEA International Atomic Energy Ag
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1 INTRODUCTION 1.1 BACKGROUND This
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1.2.2 Project Context The Project w
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Table 1.1 The EIA Team Name Organis
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EIA, sampling has been completed fo
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events is therefore assessed in ter
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Federal Ministry of Environment Pri
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Edo State Waste Management Board Th
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The proposed Project requires an EI
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as a building or irrigation system)
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instrument for monitoring and contr
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Convention Concerning the Protectio
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Box 1.2 World Bank Safeguard Polici
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• Step 5. Stakeholder Consultatio
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Chapter Title Description 8 Mitigat
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commensurate sums that will need to
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operation of the Project. The imple
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2.4.3 Social Sustainability A detai
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signing of a Memorandum of Understa
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Key Component OCGT Associated Machi
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Gas Turbine Building The four gas t
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Government parastatal that has been
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3.2.10 Fire Protection The gas turb
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foundations and is associated with
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SI. No Waste Water 3. Water Based S
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3.3.4 Administration Buildings The
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the area reserved for the HRSG and
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3.6 OPERATION 3.6.1 Maintenance It
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Job title Level of Skill Business M
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Figure 3.2 Staff Organogram Plant M
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3.8.2 Alternative Site Location Sev
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the next 20 years, the vast bulk of
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climate but straddles the Tropical
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The relative humidity of Nigeria is
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4.4 GEOLOGY The Study Area is locat
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4.5.1 Soil Types 4.5.2 Soil Quality
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season and were observably lower du
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increased with depth, showing a sig
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subsoil (15.00 - 35.00 x 10 3 cfu/g
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higher heterotrophic fungi concentr
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The results of the inorganic and or
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cfu/100ml at Orior-Osemwende during
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Air quality measurements were taken
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Figure 4.6 Sampling Locations for N
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Sample Code Noise Level - dB (A) A7
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Figure 4.7 Sampling Points ((Flora)
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All flora habitats surveyed were fo
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Figure 4.12 Fallow Land with Guinea
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Figure 4.16 A view of re-growing se
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Figure 4.19 Plant Species Discorea
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Conservation Status Scientific Name
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Species identified in the project a
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Urho-Nisen-Urho-Nisen, which will b
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• Participation of those with acc
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Table 5.2 Key Socio-Economic Indica
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Figure 5.3 Age Distribution, Edo St
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were classed as vulnerable by virtu
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Orior-Osemwende Orior-Osemwende is
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the communities within the Project
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Figure 5.6 Traditional Leadership S
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conflict could be a problem in the
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There are distinct gender divisions
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Petty Trading According to FGDs som
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the house. Almost a quarter of hous
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have no formal schooling; while app
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Name of sacred site worshipped in c
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Figure 5.11 Map showing the locatio
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stretches of the walls and moats re
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Figure 5.14 The Location of Moats S
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native doctors or herbalists. With
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project and its potential impacts (
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The Project identified the Nigerian
Page 185 and 186: Figure 6.2 Community Engagement in
Page 187 and 188: Figure 6.6 Consultation with the Ed
Page 189 and 190: Details of the asset census survey
Page 191 and 192: Stakeholder Engagement Engagement A
Page 193 and 194: 6.5 KEY ISSUES RAISED This section
Page 195 and 196: 6.6 PROJECT GRIEVANCE MECHANISM Gri
Page 197 and 198: to ensure that projects can proceed
Page 199 and 200: 7 BIOPHYSICAL AND SOCIO-ECONOMIC IM
Page 201 and 202: 2. Evaluation of the importance (or
Page 203 and 204: In addition to predicted impacts, t
Page 205 and 206: Significance for Socio-economic Imp
Page 207 and 208: Table 7.2 Species Value / Sensitivi
Page 209 and 210: Box 7.4 Mitigation Hierarchy for Pl
Page 211 and 212: AERMOD is considered to be appropri
Page 213 and 214: Figure 7.2 Wind Roses for Bohicon,
Page 215 and 216: Country Averaging period Recommende
Page 217 and 218: The WHO guidelines are particularly
Page 219 and 220: 7.3.5 Receptors per year for a sing
Page 221 and 222: 7.3.6 Impact Description and Signif
Page 223 and 224: Process Emissions: NO x and CO The
Page 225 and 226: Figure 7.5 1 h maximum NO 2, the Pr
Page 229 and 230: The values in Table 7.13 will there
Page 231 and 232: impacts exactly or take account of
Page 233 and 234: Figure 7.6 Operational noise levels
Page 235: also be required for the burial of
Page 239 and 240: The impact of the Project on water
Page 243 and 244: Artanema longifolium (a flowering p
Page 245 and 246: Table 7.18 Summary of Impact Signif
Page 247 and 248: The site will also generate general
Page 249 and 250: include estimates for the physical
Page 253 and 254: 7.10.2 Impact Description and Signi
Page 255 and 256: for impacts to demographics during
Page 257 and 258: As discussed above, and due to the
Page 259 and 260: Project’s construction phase will
Page 261 and 262: during decommissioning is expected
Page 263 and 264: Due to the high unemployment rate i
Page 265 and 266: contract workers. An additional num
Page 267 and 268: enefit the local communities. These
Page 269 and 270: impact on a small number of inhabit
Page 271 and 272: Besides the construction of the pla
Page 273 and 274: • Psychological impacts associate
Page 275 and 276: 7.15.4 Impact Description and Signi
Page 277 and 278: Impact Significance The extent of t
Page 279 and 280: • Bitumen shall not be overheated
Page 281 and 282: 8.2.2 Operation With the implementa
Page 283 and 284: • Oil interceptors and silt traps
Page 285 and 286: • All surface water or other cont
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• Reduce or prevent off-site sedi
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8.5.2 Operation • After construct
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8.6.2 Operation • Waste shall be
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8.8 ECONOMIC RESETTLEMENT As noted
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impacts over the operations period.
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Effective and ongoing implementatio
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• Frequent and regular disclosure
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8.12.2 Operational The mitigation m
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8.13.2 Operation reduce the potenti
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• Personal Protective Equipment (
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8.14.3 Decommissioning The health a
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Figure 9.1 Annual mean NO 2, cumula
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Table 9.1 Summary of cumulative imp
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impact is not due to the operation
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9.3 SOILS AND GEOLOGY The implement
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9.10 EMPLOYMENT AND ECONOMY The Pro
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10 ENVIRONMENTAL AND SOCIAL MANAGEM
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Table 10.1 Environmental Management
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10.2.2 Communication Azura Power wi
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The management of change procedure
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Impacts Management Plans Impacts to
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frequency of this reporting will be
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Ref # Potential impact Desired Outc
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Table 10.4 Construction Phase: Envi
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Ref # Potential impact contaminatio
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Ref # Potential impact applied work
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Ref # Potential impact safety impac
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Table 10.5 Operational Phase: Envir
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Ref # Potential impact 3.4 Water Re
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Ref # Potential impact 3.10 Impacts
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Ref # Potential impact 3.12 Potenti
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impacts were considered to be negli
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Federal Environmental Protection Ag
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World Health Organization (2007) pH
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