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

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Following implementation of the mitigation measures outlined above, it is anticipated that the impact magnitude will be reduced to insignificant. The overall residual significance of the impact will therefore become insignificant. 8.3.3 Decommissioning The mitigation measures identified during construction shall be most relevant for the decommissioning phase. Apart from implementing the mitigation measures identified above, there shall be concentrated effort on the following mitigation measures: • Minimisation of concentrated transportation and excavation during decommissioning to reduce erosion; • Rehabilitation and revegetation of cleared areas adjacent to the Project site which shall include the re-vegetation of bare soils before the next wet season. • Development and implementation of a waste management plan (as part of the ESMP) to ensure that waste is disposed of correctly such that soil contamination is minimised. Following the implementation of the mitigation measures the magnitude may decreased to negligible - low. The residual impact is therefore assessed to be of insignificant – minor significance. 8.4 WATER RESOURCES 8.4.1 Construction The following mitigation measures shall be implemented during construction for the prevention of contamination of water resources: • Ensure proper placement of soil stockpiles to reduce exposure of sediment-generating materials to wind or water; • Reduce or prevent off-site sediment transport using appropriate methods such as effective site drainage, and sediment/silt trapping mechanisms; • Design permanent drainage installations for heavy rainfall events and protect stormwater channels using slope, limitation techniques, rip-rap and lining; • Any hydrocarbons, fuels, lubricants and chemicals to be used will be stored in bunded and lockable oil storage tanks, with hoses and gauges kept within the bund. Regular checking and maintenance of all plant and machinery to minimise the risk of fuel or lubricant leakages; AZURA EDO IPP 8-7 DRAFT EIA REPORT
• All surface water or other contaminated water which accumulates in the bund shall be removed by manually controlled positive lift pumps and not by means of a gravity drain; • Training and equipping relevant staff in safe storage and handling practices, and rapid spill response and cleanup techniques; • Minimal or total avoidance of soil disturbance and no stockpiles close to open drainage channels (preferably establishing a 10 m buffer zone and leaving existing vegetation in place); • Exposed ground and stockpiles will be minimised to reduce silty runoff, and if necessary measures such as geotextiles will be used to shield spoil mounds. • <strong>Azura</strong> <strong>Power</strong> shall use effective construction site drainage measures, utilising cut-off drains (to divert surface runoff from exposed soils or construction areas), oil interceptors and silt traps to manage and retain sediments on site; • Leaving vegetation in situ wherever possible, and re-vegetation of bare soil before the next rainy season; • Adequate provision for the collection, treatment and disposal of sewage from site offices; • Ensure that all areas used for concrete mixing are lined so that the runoff from these areas is prevented from entering any watercourses; and 8.4.2 Operation • Waste shall be separated on site and waste storage areas shall be located on hardstanding (or bunded, if suitable) to prevent potential contamination. With the implementation of the mitigation measures during construction, the residual impact magnitude will be reduced to low and the residual impact on water resources will be reduced to minor significance. The negative impact of groundwater use on groundwater resources will remain insignificant. The following mitigation measures shall be implemented during operation for the prevention of contamination of water resources: • Waste and storage areas for hazardous substances shall be separated on site and waste storage areas shall be located on hardstanding (or bunded, AZURA EDO IPP 8-8 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
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Figure 6.2 Community Engagement in
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Figure 6.6 Consultation with the Ed
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Details of the asset census survey
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Stakeholder Engagement Engagement A
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6.5 KEY ISSUES RAISED This section
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6.6 PROJECT GRIEVANCE MECHANISM Gri
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to ensure that projects can proceed
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7 BIOPHYSICAL AND SOCIO-ECONOMIC IM
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2. Evaluation of the importance (or
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In addition to predicted impacts, t
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Significance for Socio-economic Imp
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Table 7.2 Species Value / Sensitivi
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Box 7.4 Mitigation Hierarchy for Pl
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AERMOD is considered to be appropri
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Figure 7.2 Wind Roses for Bohicon,
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Country Averaging period Recommende
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The WHO guidelines are particularly
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7.3.5 Receptors per year for a sing
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7.3.6 Impact Description and Signif
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Process Emissions: NO x and CO The
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Figure 7.5 1 h maximum NO 2, the Pr
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7.3.9 Impact Description and Signif
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The values in Table 7.13 will there
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impacts exactly or take account of
Page 233 and 234: Figure 7.6 Operational noise levels
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Page 237 and 238: 7.5.4 Impact Description and Signif
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: • Oil interceptors and silt traps
Page 287 and 288: • Reduce or prevent off-site sedi
Page 289 and 290: 8.5.2 Operation • After construct
Page 291 and 292: 8.6.2 Operation • Waste shall be
Page 293 and 294: 8.8 ECONOMIC RESETTLEMENT As noted
Page 295 and 296: impacts over the operations period.
Page 297 and 298: Effective and ongoing implementatio
Page 299 and 300: • Frequent and regular disclosure
Page 301 and 302: 8.12.2 Operational The mitigation m
Page 303 and 304: 8.13.2 Operation reduce the potenti
Page 305 and 306: • Personal Protective Equipment (
Page 307 and 308: 8.14.3 Decommissioning The health a
Page 309 and 310: Figure 9.1 Annual mean NO 2, cumula
Page 311 and 312: Table 9.1 Summary of cumulative imp
Page 313 and 314: impact is not due to the operation
Page 315 and 316: 9.3 SOILS AND GEOLOGY The implement
Page 317 and 318: 9.10 EMPLOYMENT AND ECONOMY The Pro
Page 319 and 320: 10 ENVIRONMENTAL AND SOCIAL MANAGEM
Page 321 and 322: Table 10.1 Environmental Management
Page 323 and 324: 10.2.2 Communication Azura Power wi
Page 325 and 326: The management of change procedure
Page 327 and 328: Impacts Management Plans Impacts to
Page 329 and 330: frequency of this reporting will be
Page 331 and 332: Ref # Potential impact Desired Outc
Page 333 and 334: Table 10.4 Construction Phase: Envi
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Ref # Potential impact contaminatio
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Ref # Potential impact Desired Outc
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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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