Technical Memorandum on Noise from Construction Work Other Than Percussive Piling

Table 2 - Basic Noise Levels (BNLs)
Time Period ASR
  A B C

All days during the evening (1900 to 2300 hours), and general holidays (including Sundays) during the day-time and evening (0700 to 2300 hours)

60

65

70

All days during the night-time (2300 to 0700 hours)

45

50

55

 

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