Warrawee Substation - Review of Environmental Factors

Assessment of the environmental impacts and risksBackground noise levelsNoise monitoring was undertaken as part of the noise and vibration assessmentundertaken for the site. A detailed methodology of this monitoring can be found in thenoise and vibration assessment located in Appendix A. Table 3.1 outlines thebackground noise levels at the nearest residential dwelling on the eastern side of thecorridor (40 Brentwood Avenue). Table 3.1 also provides a background level ofdwellings in Winton Street on the western side of the corridor.Table 3.1 Rating background levelsLocationRating Background Level(RBL), dBAL Aeq,period (dBA)Day Evening Night Day Evening Night40 Brentwood Ave 37 40 31 53 52 514 Winton St 39 42 33 56 55 543.5.2 CriteriaConstructionTable 3.2 outlines the site specific construction noise management levels for theproposal; these were developed in accordance with the Interim Construction NoiseGuidelines (DECCW, 2009).Table 3.2 Site specific construction noise management levelsLocation Construction noise management level, L Aeq - dBA MaximumDay (7am-6pm)Out of hours(6am-7am)Weekends(7am-4pm)Brentwood Ave 47 36 42 75Winton Rd 49 38 44 75constructionnoise level,LAeq - dBACriteria for assessment of the effects of vibration on human comfort are set out inBritish Standard 6472-1992. Table 3.3, Table 3.4 and Table 3.5 outline the relevantconstruction vibration criteria for the proposal.Warrawee Substation Project/Review of Environmental FactorsPage 28 of 64