Warrawee Substation - Review of Environmental Factors

Assessment of the environmental impacts and risksTable 3.7 Amenity criteriaReceiver Time period RBL (dBA) IntrusivenessCriterionL Aeq , 15min (dBA)Brentwood Avenue(Suburban area)Daytime (7am-6pm) 50 50Evening (6-10pm) 45 45Night time (10pm-7am) 40 40Winton Street(Suburban area)Daytime (7am-6pm) 50 50Evening (6-10pm) 45 45Night time (10pm-7am) 40 403.5.3 Impact assessmentConstructionThe majority of the proposal would be undertaken during standard work hours,however some works would be required to be undertaken during possession periodswhich would require some out of hours work. Such works would be service relocationadjacent to existing tracks and the connection of the substation to the electricitynetwork. The proposed works are to be undertaken over a period of 24 months.RailCorp will notify residents if any out of hours work is required.Predicted noise levelsTable 3.8 summarises the predicted noise levels and exceedances for differentactivities required during the proposal. Detailed results can be found in Chapter 6 ofthe noise and vibration assessment located in Appendix C.Table 3.8 Predicted noise levels during constructionActivities Street Noise criteria(dBA)Predictednoise levelrange (dBA)Exceedance range(dBA)SiteestablishmentBrentwood 37 50-57 3-10Winton 39 55-56 6-7Pilling works Brentwood 47 64-71 17-24Winton 49 69-70 20-21Warrawee Substation Project/Review of Environmental FactorsPage 31 of 64