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

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Impact Impact Description Phase Pre-mitigation Significance Decommissioning Insignificant Negative Soils and Geology Removal of soils during site clearance and potential for contamination through spills and incidents. Increased soil erosion and surface run-off particularly during heavy rains due to soil disturbance. Construction Moderate Negative Summary of Mitigation and Enhancement Measures • Develop detailed noise control plan, use temporary noise barriers and use ‘low noise’ equipment (including alternative reversing alarms), where possible; • Staff training; • Ensure periods of respite are provided in the case of unavoidable maximum noise level events; • Avoid dropping from heights and metal-to-metal contact; • Avoid clustering of mobile plant near receptors and enforce rest periods for unavoidable maximum noise events; • Select ‘low noise’ equipment, or methods of work; • Use most effective mufflers, enclosures and low-noise tool bits and blades; • Investigate use of alternatives to audible reversing alarms (such as broadband noise emitting models) or configure to maximise forward movements of mobile plant; • Use alternatives to diesel/petrol engines and pneumatic units, such as hydraulic or electric-controlled units, where feasible and reasonable; • Use temporary noise barriers for small equipment, where required; • Reduce throttle settings and turn off equipment and plant when not used; • Appoint Community Liaison Officer (CLO) and inform potentially impacted residents of potential noise; and • Regular inspection and maintenance of all plant and equipment. • Develop and implement of a waste management plan; • Low impact excavation, in-fill and trenching methods, minimise bare ground and stockpiles and rehabilitate cleared areas before wet season; • Effective site drainage using cut-off drains, temporary drainage channels; • Use oil/ water separators and silt traps; • Bund hazardous substances storage areas; Residual Significance Insignificant Negative Moderate Negative XXII
Impact Impact Description Phase Pre-mitigation Significance Operation Minor Negative Water Resources Impacts on ground and surface water resource quality due to contamination and siltation Decommissioning Construction Operation Minor Negative Moderate Negative Minor Negative Summary of Mitigation and Enhancement Measures • Develop and implement of a waste management plan; • No open ground left unpaved or rehabilitated; • The use of gravel (or similar material) across the plant area to minimise surface run-off; • Effective operation of the wastewater treatment plant with effluent flowing offsite comply with FMEnv requirements. • Update and implement waste management plan, to be updated as part of the Site Closure and Restoration Plan; and • Minimise transportation and excavation and rehabilitate before wet season. • Develop a waste management plan including waste separation, waste storage on hardstanding/ bunding; • Effective site drainage, and sediment/silt trapping mechanism, cut-off drains, oil/water separators and silt traps and drainage installations for heavy rainfall events; • Bund storage areas for hydrocarbons, fuels, lubricants; • Regular maintenance of all plant and machinery; • Use manual positive lift pumps to remove water from bunds; • Staff training on rapid spill response and cleanup techniques; • Minimise vegetation clearing and re-vegetate before the wet season; • Minimise stockpiling, 10 m buffer between drainage channels and stockpiles and placement to minimise exposure; • Adequate sewage collection and treatment; and • Line all areas for concrete mixing. • Develop Spill Control and Response plans; • Develop a waste management plan including waste separation, waste storage on hardstanding/ bunding; • International standards for diesel storage tanks, cathodic protection, if required, periodic inspections, alarms, automatic shut-off devices and oil/ water separators in diesel storage area; Bund storage areas for hydrocarbons, fuels, lubricants; and • Waste water and groundwater monitoring programme to ensure adherence to Nigerian, WHO and World Bank limits. Residual Significance Insignificant Negative Insignificant- Minor Negative Minor Negative Minor Negative XXIII
Page 1 and 2: Public Disclosure Authorized Public
Page 3 and 4: EXECUTIVE SUMMARY INTRODUCTION Azur
Page 5 and 6: • Screening and scoping • Basel
Page 7 and 8: In addition to predicted impacts fr
Page 9 and 10: International Standards and Guideli
Page 11 and 12: Figure 1 Layout of Proposed Power P
Page 13 and 14: Type of Emission Solid waste All so
Page 15 and 16: NIPP were used for NO 2. The result
Page 17 and 18: analysis are both qualitative and q
Page 19 and 20: other forms of salary jobs or servi
Page 21 and 22: Table 4 Summary of Impacts, Mitigat
Page 23: Impact Impact Description Phase Pre
Page 27 and 28: Impact Impact Description Phase Pre
Page 33 and 34: Box 2 Mitigation Hierarchy for Plan
Page 35 and 36: safety impacts are reduced to minor
Page 37 and 38: 5.2 METHODOLOGY 5-2 5.3 DEMOGRAPHIC
Page 39 and 40: Annex G - Unplanned Events and Emer
Page 41 and 42: IAEA International Atomic Energy Ag
Page 43 and 44: 1 INTRODUCTION 1.1 BACKGROUND This
Page 45 and 46: 1.2.2 Project Context The Project w
Page 47 and 48: Table 1.1 The EIA Team Name Organis
Page 49 and 50: EIA, sampling has been completed fo
Page 51 and 52: events is therefore assessed in ter
Page 53 and 54: Federal Ministry of Environment Pri
Page 55 and 56: Edo State Waste Management Board Th
Page 57 and 58: The proposed Project requires an EI
Page 59 and 60: as a building or irrigation system)
Page 61 and 62: instrument for monitoring and contr
Page 63 and 64: Convention Concerning the Protectio
Page 65 and 66: Box 1.2 World Bank Safeguard Polici
Page 67 and 68: • Step 5. Stakeholder Consultatio
Page 69 and 70: Chapter Title Description 8 Mitigat
Page 71 and 72: commensurate sums that will need to
Page 73 and 74: 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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The values in Table 7.13 will there
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impacts exactly or take account of
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Figure 7.6 Operational noise levels
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also be required for the burial of
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The impact of the Project on water
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Artanema longifolium (a flowering p
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Table 7.18 Summary of Impact Signif
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The site will also generate general
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include estimates for the physical
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7.10.2 Impact Description and Signi
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for impacts to demographics during
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As discussed above, and due to the
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Project’s construction phase will
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during decommissioning is expected
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Due to the high unemployment rate i
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contract workers. An additional num
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enefit the local communities. These
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impact on a small number of inhabit
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Besides the construction of the pla
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• Psychological impacts associate
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7.15.4 Impact Description and Signi
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Impact Significance The extent of t
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• Bitumen shall not be overheated
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8.2.2 Operation With the implementa
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• Oil interceptors and silt traps
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• 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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