The assignment involves work related to Project E134 Damåsen-Saggrenda, sub-stretch 1 Damåsen-Trollerudmoen. Lot: Contract 20 Local noise screening measures to the east of Numedalslågen. Local noise screening measures shall be carried out at 56 properties in order to reduce a 24 hour equivalent noise level in outside areas to ≤ 55 dBA. The measures consist of local noise screens in gardens or sealed (glass) railings on balconies/verandas. The measures will be carried out in private gardens and they must be carried out as carefully as possible. In addition facade measures shall be carried out on 77 properties. This is so that no residence shall have a calculated inside, 24 hour equivalent traffic noise level of more than 30 dBA after the measures have been carried out.