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1.Introduction
2.Planning foundations
2.1General legal foundations
2.1.1Pollution control rights
2.1.2Building law
2.1.3Civil Code, Criminal Code and Administrative Offences Act
2.2The physical terms "sound" and "noise"
2.3Noise, sound emission and sound immission
2.4Acoustic principles
2.4.1The sound scale
2.4.2Calculation rules
2.4.3Definitions of further terms
2.4.4Noise measurements
2.4.4.1The relevance of noise measurements
2.4.4.2The realization of measurements
2.4.4.3The measurement devices
2.5The effect of noise protection constructions
2.6Summary of noise assessment values based on immission values
3.Traffic noise
4.Industrial noise
5.Noise from sports and leisure facilities
6.Noise abatement plans / Noise action plans
7.Planning indications
8.Bibliography
9.Thematic Websites
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PLANNING FOUNDATIONS
   
 2.4.4 Noise measurements
 
 2.4.4.1 The relevance of noise measurements

Whenever possible, noise emissions and immissions are calculated, especially in the case of traffic noise (see chapter 3), but noise measurements are still permitted in particular ordinances and regulations.

The determination of noise pollution through measurements is used among others to assess noise in individual cases (e.g. after complaints), to determine noise emissions from particular sound sources (e.g. lawn mowers, building machines according to the enveloping surface method) as well as to assess noise abatement measures (e.g. the installation of soundproof windows).

Furthermore, it is necessary to carry out measurements in the case of complex noise structures which cannot be calculated. Another context for noise measurements is noises with discrete or impulsive components.

Noise source

Method

Applicable regulation

Road traffic

Calculation

16th Federal Immission Control Ordinance
(16. BImSchV), RLS-90, DIN 18005-1

Road traffic

Calculation

DIN 45642

Rail traffic

Calculation

16th Federal Immission Control Ordinance
(16. BImSchV), Akustik 04

Air traffic

Calculation

Ordinance on Data Acquisition and the Method
of Calculation for the Designation of Noise
Protection Areas (1st FlugLSV)

Air traffic

Calculation

Ordinance on Airport Noise Protection
Measures (2nd FlugLSV)

Air traffic

Messung

DIN 45643

Water traffic

Calculation

DIN18005-1

Water traffic

Measurement

DIN 45642

Industry

Measurement

Technical Instructions on Noise (TA Lärm)

Industry

Calculation

DIN ISO 9613-2, VDI 2571 (withdrawn,
but still referred to in TA Lärm), DIN EN 12354-1/-4

Building sites

Measurement

General administrative regulation for building
noise (AVV Baulärm, Geräuschimmissionen) 

Leisure activities

Measurement

Guideline for Leisure Noise (Annex B to the model administrative regulation on the determination,
assessment and reduction of noise immissions,
LAI, 1995)

Leisure activities

Calculation

VDI 3770

Sports facilities

Measurement

18th Federal Immission Control Ordinance
(18. BImSchV)

Sports facilities

Calculation

VDI 3770

 

Table 2/1: Summary of the type of noise determination from different noise sources required by the relevant regulations

Measurements for official purposes may only be carried out by technically qualified persons or institutions, preferably recognized measuring agencies as prescribed in § 26 of the Federal Immission Control Act (BImSchG). These are authorized by the highest responsible Land authority (in Baden-Württemberg: Environment Ministry, 2008). The agencies must provide skilled personnel and the required technical equipment. The latest index of recognized measuring agencies can be found at www.resymesa.de.