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

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Ref # Potential impact Desired Outcome Description of mitigation Performance Indicator Monitoring Timing/ Frequency Responsibility Estimated Cost (USD) 3.2 Noise nuisance impacts from general operations Reduce noise nuisance at receptors • 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. Noise levels below IFC limits Noise monitoring. Details to be agreed with FMEnv prior to operation. Monthly HSE Coordinator, Azura Power with subcontractors if necessary Cost associated with monthly noise monitoring (approx 500 USD) No other costs assuming that further noise reduction controls are not needed 3.3 Terrestrial Soils and Geology including: • Increased runoff and potential erosion • Potential contamination from spills Minimise soil loss, reduce erosion and decrease, risk of siltation of water resources and risk of contaminati on • No open ground left unpaved or rehabilitated and revegetated. • To the extent possible covering large areas of the site with gravel (or similar material) to allow for greater permeability particularly during heavy rains. • Development and implementation of a waste management plan. • Effective operation of the wastewater treatment plant. • Effluent flowing offsite to comply with FMEnv requirements for disposal of effluent offsite. Visual inspection Visual inspection and photographic record Daily HSE Coordinator, Azura Power Part of HSE Coordinator’ s duties
Ref # Potential impact 3.4 Water Resource impacts: • Potential contamination from accidental spills and increased erosion and runoff • Water use Desired Outcome Prevent contaminati on of water resources Description of mitigation • Ensure location of storage areas for hazardous substances on hardstanding (or bunded, if suitable) to prevent potential contamination, including areas around gauges, pumps, sumps and loading /unloading areas; • Diesel storage tanks and components to meet international standards for structural design and integrity; • Provide cathodic protection inside steel tanks and piping, if required. • Periodic inspection for corrosion and integrity of storage tanks, pipes and components and regular maintenance pipes, seals, connectors and valves and other components. • All tanks to be equipped with alarms, automatic shut-off devices and catch basins. • Construct stormwater channels and oilwater separators in diesel storage, handling and transfer areas. • Develop Spill Control and Response plans. • Monthly monitoring programme of effluent released from the site. • Monthly groundwater monitoring, especially for hydrocarbon leaks. Performance Indicator Effluent quality meeting Nigerian, WHO and World Bank requirements Monitoring Water quality monitoring before effluent leaves the site Timing/ Frequency Monthly Responsibility Estimated Cost (USD) HSE Coordinator, Azura Power Cost for sampling and analysis of liquid effluent and receiving water bodies (approx 1,000 USD for setup and 5,000 USD for each monitoring event)
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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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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
Page 293 and 294: 8.8 ECONOMIC RESETTLEMENT As noted
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Page 301 and 302: 8.12.2 Operational The mitigation m
Page 303 and 304: 8.13.2 Operation reduce the potenti
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Page 307 and 308: 8.14.3 Decommissioning The health a
Page 309 and 310: Figure 9.1 Annual mean NO 2, cumula
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Page 315 and 316: 9.3 SOILS AND GEOLOGY The implement
Page 317 and 318: 9.10 EMPLOYMENT AND ECONOMY The Pro
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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
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Page 343: Table 10.5 Operational Phase: Envir
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Page 351 and 352: Ref # Potential impact 3.12 Potenti
Page 363 and 364: impacts were considered to be negli
Page 365 and 366: Federal Environmental Protection Ag
Page 367: World Health Organization (2007) pH
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