Consultancy services-Study of noise from road traffic along national roads in South-Rogaland

Statens vegvesen Region vest

The assignment includes elucidation of the noise level at listed properties in order to identify if further assessment of indoor noise level is required and, if the measurement limit is exceeded, a description of façade insulating measures and balanced ventilation shall be presented.
Attached to the tender notice is a list of properties where the Awarding Authority cannot exclude that the measurement limit is exceeded. The measure limit is defined in the Pollution regulation, compare §5-4 and is 42 dBA. The Awarding Authority requests a minor safety margin and will implement measures if the average indoor level is equal to 41, 5 dBA.
The assignment is divided in two levels:
Level 1: Carrying out study of outdoor noise level at listed properties in order to clarify where further assessment of indoor noise level is required. Delivery: summary report with table.
Level 2: Indoor inspection with detailed noise assessment of average indoor noise level. If the average indoor noise level is equal to 41, 5 dBA, engineering design of noise insulating measures and balanced ventilation shall be carried out. Delivery: detailed noise assessment in the form of reports for each residence units, possible by suggesting measures.
NOTE: To register your interest in this notice and obtain any additional information please visit the Doffin Web Site at http://www.doffin.no/Search/Search_Switch.aspx?ID=237251.

Frist
Fristen for mottak av tilbud var 2011-09-28. Anskaffelsen ble publisert 2011-08-11.

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