11.07.2015 Views

Glenbrook Sation REF (pdf 3.15MB) - Transport for NSW - NSW ...

Glenbrook Sation REF (pdf 3.15MB) - Transport for NSW - NSW ...

Glenbrook Sation REF (pdf 3.15MB) - Transport for NSW - NSW ...

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Review of Environmental Factors<strong>Glenbrook</strong> commuter car park and interchange upgradeThe results of continuous unattended noise monitoring at this location, during the one weekmeasurement period, show levels typical of a rural‐residential zone noise environment. Low evening andnight‐time noise levels are dominated by the natural environment with some infrequent human activity,including rail noise. Daytime noise levels are likely to be dominated by road traffic on adjacent roads andtrain movements.6.4.2 Construction noise and vibration assessment criteriaConstruction noise criteriaThe qualitative assessment method in the Interim Construction Noise Guideline (ICNG) was used to assessthe noise impacts of the Proposal. The method involves predicting noise levels at sensitive receivers andcomparing them with the guidance, or Noise Management Levels (NMLs). Table 6‐12 shows the NMLs <strong>for</strong>residences.Table 6‐12 Noise management levels <strong>for</strong> airborne construction noise at residencesTime of DayRecommended standardhours:Monday to Friday7 am to 6 pmSaturday 8 am to 1 pmNo work on Sundays or publicholidaysOutside recommendedstandard hoursNoise Management LevelLAeq(15minute)Noise affectedRBL + 10 dBHighly noise affected75 dBANoise affectedRBL + 5 dBHow to ApplyThe noise affected level represents the pointabove which there may be some communityreaction to noise.The highly noise affected level represents thepoint above which there may be strongcommunity reaction to noise.• A strong justification would typically berequired <strong>for</strong> works outside therecommended standard hours.• The proponent should apply all feasibleand reasonable work practices to meetthe noise affected level.• Where all feasible and reasonablepractices have been applied and noise ismore than 5 dB above the noise affectedlevel, the proponent should negotiatewith the community.In accordance with the Application Notes – <strong>NSW</strong> Industrial Noise Policy, the following night‐time sleepdisturbance noise goal has been used:• Night‐time (10.00 pm to 7.00 am) RBL +15 dBAConstruction related vibration criteriaThe EPA’s Assessing Vibration: a technical guideline provides guideline values <strong>for</strong> continuous, transientand intermittent events that are based on a Vibration Dose Value (VDV) rather than a continuousvibration level. The VDV is dependent upon the level and duration of the short‐term vibration event, aswell as the number of events occurring during the daytime or night‐time period.Ref No: 2260812 41

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