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

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Impact Impact Description Phase Pre-mitigation Significance Noise Increased levels of greenhouse gases Operation Significant Negative Increased noise levels due to plant, mobile machinery, construction and decommissioning activities as well as during operation Construction Negligible 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; • Train construction staff on noise control plan during health & safety briefings; • 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; • 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; • Ensure periods of respite are provided in the case of unavoidable maximum noise level events; • Appoint Community Liaison Officer (CLO) and inform potentially impacted residents of potential noise; and • Regular inspection and maintenance of all plant and equipment. Residual Significance Significant Negative Negligible Negative XX
Impact Impact Description Phase Pre-mitigation Significance Operation Insignificant negative Summary of Mitigation and Enhancement Measures • Air conditioning/air flow requirements shall be designed to take account of noise breakout; • Exhaust stacks will be designed to meet a power level of 92 dB(A); • Design an acoustic enclosure for the gas turbines with a Hushclad double-skin enclosure with good door seals which will be replaced regularly to meet the specifications for 82 dB at 1 m from the source; • The fitting of a silencer into the exhaust gas system; • Design gas turbine building (including air conditioning, walls, roof, windows and doors) to have a high noise reduction rating and ensure that there are no significant gaps; • Configure plant layout and orientation to minimise noise; • Use acoustic enclosure/ absorption materials in internal walls; • In cases where noise levels cannot be reduced below guideline levels, the Project will investigate the relocation of these households; • Implementing design measures such as attenuators on the stacks, cladding on the turbine building and/ or noise barriers to reduce noise level requirements of 45dBA for the four identified receptors; and • Establish a grievance mechanism. Residual Significance Insignificant Negative XXI
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: Table 4 Summary of Impacts, Mitigat
Page 25 and 26: 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
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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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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
Page 353 and 354:
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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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