Warrawee Substation - Review of Environmental Factors

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Warrawee Substation Page 19Operational Noise & Construction Noise & Vibration AssessmentReport No. 11332 Version BInitial Excavation & ConstructionoThe plant used for Piling & Retaining Wall Construction; Pit & Slab Construction andConstruction of Bunded Yards & External Pits are similar with the noisiest plantbeing the shotcreting pump with the agitator. L Aeq,15min noise levels for this activitywould be 109dBA.Bulk Earthworks & ExcavationoNoisiest activity from this activity would be from excavation works which wouldinclude two excavators, skid steer loader, dump truck and site dumpers working atthe same time. L Aeq,15min noise levels for this activity would be 113dBA.Superstructure ConstructionoNoisiest activity from this activity would be from the steel cage installation thatwould involve craneage works using a 50 tonne crane, an 8 wheel crane truck withthe delivery truck idling on site. L Aeq,15min noise levels for this activity would be108dBA.Road PavementoNoisiest activity from road pavement works would be from profiling using a profiler(rotor mill). Noise levels for this activity would be 107dBAFitout & CommissioningoPreliminary Earthworks & Internal Fitout• These works involve installation of main plant for the substation and thenoisiest activity would be the 300 Tonne Crane with the delivery truck idlingon site. L Aeq,15min noise levels for this activity would be 106dBAo External Fit Out (Out-Of-Hours Works)• Noisiest activity from this activity would be from 8 wheel crane truck withdelivery truck idling on site. L Aeq,15min noise levels for this activity would be108dBASite DemobilisationoNoisiest activity from this activity would involve craning activity from the eightwheel crane truck and the 50 tonne crane, site dumpers, dump trucks working toremove construction equipment, plant, materials and site offices from site. L Aeq,15minnoise levels for this activity would be 112dBANoise levels were predicted at all the nearest affected receivers to the works. Electrical workshas been assessed for out-of-hours works as well as the certain works that require access tothe work areas closer to the rail line. Due to the need to be within the rail corridor these workscan only be conducted after hours during track possession.
Warrawee Substation Page 20Operational Noise & Construction Noise & Vibration AssessmentReport No. 11332 Version BTable 6-4Site EstablishmentWorst-AffectedResidentialReceiversClosestDistanceReceiversto Works(m)RatedBackgroundNoise Level,RBL (dBA)NoiseManagementLevels(dBA)PredictedNoise Levels(dBA)Exceedance(dBA)38 Brentwood Ave 57 37 47 64 1740 Brentwood Ave 32 37 47 69 2251 Brentwood Ave 61 37 47 64 1753 Brentwood Ave 69 37 47 62 1555 Brentwood Ave 56 37 47 64 1757 Brentwood Ave 36 37 47 68 2159 Brentwood Ave 32 37 47 69 2261 Brentwood Ave 44 37 47 66 1963 Brentwood Ave 46 37 47 66 1965 Brentwood Ave 70 37 47 62 1515 Winton St 40 39 49 67 1817 Winton St 36 39 49 68 19Table 6-5Initial Excavation & ConstructionWorst-AffectedResidentialReceiversClosestDistanceReceiversto Works(m)RatedBackgroundNoise Level,RBL (dBA)NoiseManagementLevels(dBA)PredictedNoise Levels(dBA)Exceedance(dBA)38 Brentwood Ave 57 37 47 66 1940 Brentwood Ave 32 37 47 71 2451 Brentwood Ave 61 37 47 65 1853 Brentwood Ave 69 37 47 64 1755 Brentwood Ave 56 37 47 66 1957 Brentwood Ave 36 37 47 70 2359 Brentwood Ave 32 37 47 71 2461 Brentwood Ave 44 37 47 68 2163 Brentwood Ave 46 37 47 67 2065 Brentwood Ave 70 37 47 64 1715 Winton St 40 39 49 69 2017 Winton St 36 39 49 70 21
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CDOperational noise and constructio
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PreliminariesWarrawee Station and t
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Preliminaries1.5 Statutory requirem
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Preliminaries(i) the construction o
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Preliminariesmarket mechanisms, tha
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PreliminariesThe strict liability o
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The proposalBuilding formFacilities
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The proposalSite clean-up (Scenario
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The proposalConstructionequipmentRo
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Assessment of the environmental imp
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Finalisation4. Finalisation4.1 Just
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REF determination6. REF determinati
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References7. ReferencesChapman, G.A
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ReferencesAppendix BFlora and Fauna
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trees, known food tree species, wet
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SpeciesControlcategoryLegal Require
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Law 2008). The species roosts and b
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anticipated as a result of the prop
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Fauna species listFamily Scientific
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Appendix BThreatened Biota21/19721/
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Scientific Name Common NameTSC/FMAc
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