Lnight definition

Lnight. (night-time noise indicator) shall mean the noise indicator for sleep disturbance, as further defined in Annex I;

Lnight means night-time noise indicator, which is the noise indicator for sleep disturbance as further defined in Annex I of Directive 2002/49 of the European Parliament and of the Council of 25th June 2002 relating to the assessment and management of environment noise;

Lnight. (night-time noise indicator) means the noise indicator for sleep disturbance, as defined in Schedule 1;

Examples of Lnight in a sentence

• Values for sleep disturbance are given from 45 to 81 dB Lnight and, for road only, against LAeq, 16h as the conversion between these metrics is deemed sufficiently robust for appraisal of sleep disturbance impacts resulting from road noise to be based on changes from daytime measures.

• Lday (Ld), Lnight (Ln) and Ldn values were computed using corresponding hourly Leq.

• In some cases, in addition to Lden and Lnight, and where appropriate Lday and Levening, it may be advantageous to use special noise indicators and related limit values.

• The score under this variable is assigned based on the calculated Lden and Lnight levels for the location.

• Areas with noise levels of less than 55dB Lden and less than 45dB Lnight are not mapped because these levels are below the threshold for inclusion under the legislation.

• But for health outcomes the thresholds for any effect are much higher, for example 50 dB(A) (Lnight, outside) for hypertension or myocardial infarction.

• The noise indicator contours shown on the noise maps are Lden and Lnight.

• Lday and Lnight were calculated.For noise levels measured over a given period of time, it is possible to describe important features of noise using statistical quantities.

• The lowest threshold level for complaints of well-being were estimated at 35 dB(A) as a yearly average outside the house at night (Lnight, outside).

• Such a façade of a dwelling is one where the Lden (or Lnight), assessed ‘two metres in front of the façade’, for the noise from a specific noise source, is 20 dB lower than the Lden (or Lnight) ‘on the façade’ of the dwelling having the highest value of Lden (or Lnight).

More Definitions of Lnight

Lnight. (night —time noise indicator) means the noise indicator for sleep dis- turbance, as further defined in the First Schedule;

Lnight. (night-time noise indicator) shall mean the noise indi- cator for sleep disturbance, as further defined in Annex I;