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Camberwell Library21 March 20135/ External Building Fabric & NoiseIntrusion5.2.7 This would result in internal noise levels more akin to an open plan office than a quiet studyarea. Provided this is acceptable, no additional mitigation is required.5.2.8 If lower levels are preferred, it will be possible to reduce the internal noise levels by usingacoustically treated louvres to provide reduced internal noise levels. More details can beprovided at the next stage, following a site noise survey, if chosen.7
Camberwell Library21 March 20136/ Plant Noise Emissions6. Plant Noise Emissions6.1 It is not clear that proposals for new plant exist for the current development. However, acousticcontrol for new building services engineering will be designed to meet the specific internal noiserequirements relevant to BB93.6.2 With regard to the noise impact of external building services plant on nearby noise sensitivereceptors, the requirements of Southwark Council are set out in section 3.3 of this report.6.3 Noise measurements have yet to be carried out on site. However, based on indicative noiselevels from a location in the area as noted in section 4. A final assessment will be undertakenon successful completion of the noise survey.6.4 However, based on representative levels measured, a plant noise limit of 34dBA is proposed.This will be verified with a full noise survey, due to be undertaken shortly.6.5 In order to meet the design requirements detailed above, careful consideration will be given tothe layout of any proposed plant: Any new plant items within the school site should be located as far away from residentialproperties as possible; Where possible, plant should be located such that the envelope of the school building acts as abarrier between the source and any sensitive receptors; Supply/extract louvres should be positioned such that the inlets/outlets are directed away fromany residential properties; The operational hours of proposed plant should be limited. Any non-essential equipmentshould be switched off during the night time period to reduce noise emissions.8
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