Noise and vibration

Measurement, simulation and correction of noise impact. Law on Environmental Noise.

UTE TÚNEL SABADELL
UTE TÚNEL SABADELL

Monitoring of noise and vibration levels around the works to extend the FGC railway line in Sabadell.

  • Continuous, 24-hour noise measurement in the external environment for several different works and station activities, different receivers.
  • Measurement of vibrations in different households along the railway line
PAYMA COTAS S.A.U._UTE –UTE Gorg L9.

Monitoring noise levels continuously, 24 hours a day, in several households near the works on La Sagrera station access chamber, bifurcation chamber and stations. Works on Line 9 of the Barcelona Metro underground system.

  • Installation of sound level meters operating continuously, 24 hours a day
  • Daily data collection
  • Compliance with the resolution passed by the Directorate General for Environmental Quality
PAYMA COTAS S.A.U._UTE –UTE Gorg L9.
CEDINSA
CEDINSA

Study of the noise impact of the C-25 Eix Transversal trunk road.

  • Length: 50 Km
  • Simulation using CADNA-A 
  • 6,200  m2 sound absorbing panels
FERROVIAL AGROMAN SA

Study of the noise impact of the project to widen the IH 35W. North Tarrant. Segment 3. Texas.

  • Motorway with 10 lanes, 5 in each direction
  • Pass through built-up zones with residential areas
  • Simulation by TNM 2.5
  • Quality objectives according to TxDOT
  • Study of different situations and work phases
FERROVIAL AGROMAN SA
ADU, AJUNTAMENT DE L’HOSPITALET DE LLOBREGAT.
ADU, AJUNTAMENT DE L’HOSPITALET DE LLOBREGAT.

Noise impact study of the R2 and R4 railway lines in L’Hospitalet de Llobregat

  • Infrastructure formed by three sections, differentiated by number and destination of lines.
  • Different configurations of the structure of the lines.
  • Type of trains: commuter, regional, medium-distance, goods.
  • Noise simulation using CADNA-A
  • Visor screens up to 10+7 m
UTE TRIANGLE L9_UTE GORG L9 UTE ESTACIONS L9_INFRAESTRUCTURES

Noise impact study of works on the tunnel and stations on sections 3 and 4 of Line 9 of the Barcelona Metro underground system

  • Simulation using CADNA-A
  • Application of absorbent noise panels around the perimeters of the chambers
  • Covering earth moving conveyor belt; semi-underground discharge unit for tunnelling earth.
  • Change in circulation direction of trucks to remove earth.
UTE TRIANGLE L9_UTE GORG L9 UTE ESTACIONS L9_INFRAESTRUCTURES

Dac Enviro SL
Avinguda Josep Tarradellas 15, inter. 3a 08029 Barcelona
933 309 700 – dac@dacenviro.com

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