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Terms and conditions of legal documents and recommendations (Juodkiene, 2023)
| Document | Terms, recommendations |
|---|---|
| The Noise Management Act of the Republic of Lithuania was approved on 26 October 2004. IX–2499, (Official Gazette, 2004, No.), Summary editorial from 2023-01-02. | Noise limit value shall mean an average value of Lday, Levening, or Lnight, the exceeding of which causes the manager of a noise source to enforce noise prevention and/or reduction measures. |
| Directive 2002/49/EC of the European Parliament and of the Council of 25 June 2002 relating to the assessment and management of environmental noise. | Annex II. Assessment Methods for Noise Indicators. |
| For industrial noise: ISO 9613-2: Acoustics — Attenuation of sound during propagation outdoors — Part 2: Engineering method for the prediction of sound pressure levels outdoors. | |
| For road traffic noise: The French national computation method ‘NMPB–Routes–96 (SETRA–CERTU–LCPC–CSTB)’, referred to in ‘Arête du 5 mai 1995 relatif au bruit des infrastructures routières, Journal Offieciel du 10 mai 1995, Article 6’ and French standard ‘XPS 31–133’. | |
| The above-mentioned methodology is also recommended by the Lithuanian Hygiene Regulation document HN 33:2011. | |
| Lithuanian Hygiene Regulation HN 33:2011: Noise limit values in residential and public buildings and their environment, approved by the Minister of Health of the Republic of Lithuania on June 13, 2011. by order No. V-604. | This Hygiene Regulation determines the limit values of noise emitted by noise sources in residential and public buildings and their surroundings and is applied when assessing the impact of noise on public health. |
Technical and acoustic parameters of the planned and existing buildings
| Object | Wall thickness [mm] | Wall type | Sound absorption |
|---|---|---|---|
| Planned warehouse | 120 | Multilayer panels | RW- 27 dB(A) |
| Planned administration | 180 | Multilayer panels | RW- 27 dB(A) |
Calculated noise levels of the projected acoustic situation with background noise sources
| Location | Lday, dB(A) | Levening, dB(A) | Lnight, dB(A) | Ldvn, dB(A) |
|---|---|---|---|---|
| Northern boundary of the site | 68.9 | 67.4 | 65.0 | 70.9 |
| Eastern boundary of the site | 67.4 | 66.8 | 62.9 | 70.4 |
| Southern boundary of the site | 53.9 | 53.0 | 48.2 | 56.5 |
| Western boundary of the site | 65.8 | 64.4 | 60.8 | 70.6 |
| Living environment No. 13 | 51.7 | 51.4 | 46.4 | 54.8 |
| Living environment No. 9 | 50.3 | 50.4 | 45.4 | 53.7 |
| Living environment No. 11 | 48.5 | 47.6 | 42.5 | 51.0 |
Planned noise sources
| Location of source | Name of noise source | Number of sources, flow per day | Amount of noise emitted [dB(A)] | Location of the noise source | Working hours |
|---|---|---|---|---|---|
| Planned site | Heavy-duty vehicles (delivering and transporting stored products) | 100 cars | - | In the outdoor | 24 hours |
| Light vehicle traffic flow | 100 cars | - | In the outdoor | 8 hours | |
| Light vehicles (in the 65-space parking lot) | 96 cars | - | In the outdoor | 8 hours | |
| Planned warehouse | Loading and unloading operations with a forklift | 15 pcs. | 79 | Indoor and outdoor | 8 hours |
| Electric wheelchairs | 12 pcs. | 70 | Indoors | 8 hours | |
| Recuperator RS-1 | 1 pc | 62 | Indoors | 24 hours | |
| Recuperator RS-2 | 1 pc | 62 | Indoors | 24 hours | |
| Heat pumps (outdoor units): | 6 pcs. | Outside on the roof | 24 hours | ||
| OK-1 | 53 | ||||
| K-1 | 53 | ||||
| OK-2 | 56.5 | ||||
| K-2 | 56.5 | ||||
| OK-3 | 53 | ||||
| OK-4 | 56.5 |
Calculated noise levels of the projected acoustic situation without background noise sources
| Location | Lday, dB(A) | Levening, dB(A) | Lnight, dB(A) | Ldvn, dB(A) |
|---|---|---|---|---|
| Northern boundary of the site | 58.3 | 59.2 | 56.9 | 62.7 |
| Eastern boundary of the site | 63.1 | 65.6 | 62.0 | 69.2 |
| Southern boundary of the site | 41.3 | 44.8 | 40.9 | 47.8 |
| Western boundary of the site | 61.3 | 65.7 | 62.4 | 69.3 |
| Living environment No. 13 | <35 | 38.6 | <35 | 42.2 |
| Living environment No. 9 | <35 | 35.5 | <35 | 39.3 |
| Living environment No. 11 | <35 | 35.0 | <35 | 38.3 |
Terms and conditions of legal documents and recommendations
| Measurement sites | Time of day, h | Equivalent sound pressure level (LAeqT), dB(A) | Maximum sound pressure level (LAFmax), dB(A) |
|---|---|---|---|
| Dwellings in residential buildings (houses), bedrooms in public buildings, wards in inpatient health care institutions. | 7–19 | 45 | 55 |
| 19–22 | 40 | 50 | |
| 22–7 | 35 | 45 | |
| In an environment of residential buildings (houses) and public buildings (except the catering facilities and culture centres), excluding transport noise. | 7–19 | 55 | 60 |
| 19–22 | 50 | 55 | |
| 22–7 | 45 | 50 |