Max Reynolds says “As part of the Colston Hall bid, MACH Acoustics produced some flythrough animations of the existing and proposed halls. The animations not only included a visualisation but also an auralisation of the spaces to allow the viewer to get a feel for the relative lighting and acoustic characteristics of the two spaces.
Easy Sound Test is an innovative new service from MACH Testing. If one of our engineers is in your area, you get a cheaper sound test. It’s as simple as that. Choose from our calendar of available dates to take advantage of our best prices. Our engineers are on call across the country and offer a fast and professional service. We are an ANC accredited acoustic consultancy, and have been in the business for over 10 years. This means that we not only offer our customers the cheapest sound tests, but also the highest level of service and advice.
MACH Testing also offer Air Testing, for full pre-completion testing.
MACH Acoustics have vast experience in providing site reviews/assessments for buildings across all sectors within the built environment. On-site detailing is a crucial aspect in achieving on-site design targets and Building Control requirements are an area which can be overlooked at the design stage. Contractors and site workman are not always aware of the consequences of poor detailing; often running services through separating walls. This can cause huge problems on-site and remedial measures can be difficult to implement.
MACH Acoustics have experienced a huge array of site defects and therefore have a variety of on-site solutions for most site issues. Acoustic site reviews are an essential part of the ongoing design process and allows the acoustician to communicate directly with the site team to ensure that on site design targets are met. On paper designs are not always feasible when it comes to the build stage and mistakes on site are commonplace. Site assessments not only help create a building that is fit for purpose but can also result in significant cost savings as mistakes can be identified and rectified at an early stage.
MACH Acoustics has recently taken on three new members of staff. This growth has broadened the range of skills and experience within the company and we are now is strong position to expand our services in environmental acoustics. The new team members have brought with them experience in the following areas of environmental acoustics:
• Wind farm acoustic assessment
• Road and rail noise assessment
• Industrial noise assessment
WINDFARMS AND URBAN TURBINES
New staff at MACH Acoustics have experience in all aspects of wind farm developments from feasibility and planning through to compliance testing.
Background noise surveys
Background noise surveys are carried out using weatherproof environmental noise loggers. Noise loggers are placed at key residential locations to establish the base line noise levels. The measurement data is they correlated with wind speed measurements to establish the relationship between wind speed and background noise level. The
Using computer modelling software (CADNA), wind turbine noise can be predicted at nearby residential locations over a range of wind speeds. The predictions are then compared with theETSU-97 noise limits.
Modelling software is also used in the turbine selection process and to fine tune site layouts and mirco-siting
Sound power level testing
MACH Acoustics can perform sound power testing according to the methodology of International Standard IEC61400-11 Wind turbine generator systems – Part 11: Acoustic noise measurement techniques (IEC61400-11) to verify that the measured sound power levels comply with the sound power levels guaranteed by the manufacturer.
Post construction noise assessment is conducted using noise loggers and wind speed data. Regression analysis is used to establish the post-construction background noise level at each monitoring location.
These values are able to be compared with pre-construction background noise curves and noise limit curves to assess compliance.
ROAD AND RAILWAY NOISE
Noise impact assessments are essential for all road and rail projects. MACH Acoustics can assist in the planning and design of road and rails project. Our capabilities include:
• Noise impact assessments
• Traffic noise measurements
• Noise level prediction using established prediction methods (CRTN/CRN)
• 3-dimensional computer modelling for noise contour plots and preliminary noise barrier design
MACH Acoustics can help in solving noise issues and problems for a range of industrial and commercial applications. We are able to provide the following services:
• Occupational noise surveys (Control of Noise at Work Regulations 2005)
• Industrial noise assessment (British Standard 4142 Environmental Agency (EA) IPPC H3 Noise Guidance)
• Noise abatement using enclosures, silencers and noise barriers
For more information about MACH Acoustics’ environmental acoustics services please contact our office on
0117 944 1388.
|The BaleHaus @ Bath University|
As a supporter of low-energy, sustainable design, this project was of great interest to MACH Acoustics. We were thrilled when be asked to be involved in the ongoing research into the properties of this ‘carbon-negative’ construction material.
|Testing in progress|