Industrial, Building and Environmental noise can present many chal-lenges to try and overcome. When it comes to knowing which mate-rials and parts to use, how to size components, and where to posi-tion, the options can seem endless. At Ventac, we use a wide variety of techniques to identify the source and type of noise that needs treating. Our expertise and knowledge of materials combined with our wide experience of manufacturing solutions, coupled with the research and testing facility we have, allows us to develop the most cost effective solutions to any noise problem.
backed up by our technical ability and our research and testing facilities at Ventac.
ity to meet demanding business needs, on time and on budget. Headquartered in County Wicklow in Ireland with an office in The Nether-lands and employing over 34 employ-ees, the strength and depth of Ventac's resources has helped the company de-velop a reputation for unrivalled service and innovation.
Ventac have remained consistent in providing high quality products and services with comprehensive technical support. Our value is in our ability to reduce noise levels and optimise costs
Ventac have provided solutions and quality products to businesses and the public sector for over 30 years in many noise control sectors, building trusted relationships and helping organisations reach solutions through the use of our products.
With the skills and knowledge to facili-tate the most effective noise control solution across many sectors, Ventac and its team of highly skilled technical consultants offer pratical bespoke solu-tions at affordable prices. At Ventac, long-standing relationships are based on transparency and the abil-
Identify the problem Clearly quantifying the problem can often be the most critical step. Sometimes the noise is from an external source - such as traffic noise, in other situations. 'Hard surfaces' in rooms (floor and ceiling) can cause any sound generated in the room to reverberate or 'echo'. Our Acoustic Engineers have over 30 years experience in noise control and have completed hundreds of successful installations. On existing structures, the initial survey will often include detailed dimensional measurements as well as acoustic tests. We will also carry out a detailed review of any plans.
Design The Solution Having clearly quantified the potential problem areas, we can then select the most appropriate solution. This solution will also take into account factors such as aesthetic requirements, room or building layout, budgetary considerations, and the desired acoustic targets.
Implement The Solution Many acoustic installations fail, not because of poor materials or design, but due to fundamental errors being made during the installation process. Our installations are carried out by experienced tradesmen who have specialist training in noise control and acoustics. Their focus is always on ensuring that the installation meets the acoustic design criteria and highest quality finish.
Final Inspection & Validation A review of acoustic performance is always carried out prior to completion. In this way we can ensure that the installation has met the acoustic design criteria.
Combined acoustic absorber and barrier Acoustic louvres & attenuators Solutions for every vibration problem
Noise Surveys & Noise Reduction Programmes for Large Industrial Facilities
Ventac have extensive experience in conducting noise surveys of large scale operations. These surveys are conducted using state of the art precision equipment by highly trained professionals.
Testing Capabilities:
Class 1 precision integrating sound level meters
Frequency analysis , for tonal noise identification
Time history analysis , for event identification
Digital recording , for noise source identification
Statistical parameters, for regulatory compliance
Noise mapping software, for impact assessment
Personnel Qualifications:
Third level qualifications in Acoustics/ Noise Control
Third level qualifications in Environmental Science
Third level qualifications in Health and Safety
Membership of professional body, Institute of Acoustics
What sets Ventac apart is our experience in not only identifying noise issues and then making recommendations, but our experi-ence in delivering and installing the solutions. This experience is invaluable in identifying and achieving the real life noise reduction from utilising noise control measures, identifying problems or issues at all stages of the noise control project while taking into con-sideration any practical issues to work around customers schedules. At the Ventac facility there is a purpose built acoustic laboratory, including a suite of reverberation chambers, where innovative new noise control materials, composites and constructions are developed and tested.
Noise surveys to optimise operating practices
Noise Reduction Programmes
Ventac have extensive experience in every stage of noise con-trol projects for both large and small scale installations includ-ing;
Design; The noise control solution is based on an acoustic assessment to ensure the required targets are met. This assessment is based on technical knowledge, precision measurement and experience. It is designed to be repeatable after the noise control works to verify their performance.
Lab testing; Ventac can acoustically test materials and constructions to a laboratory standard which allows us to constantly develop new solutions appropriate to indi-vidual sites and noise problems.
Manufacture; Many of the noise control solutions are manufactured in-house which allow for a high level of attention to detail; a factor critical for enclosing complex noise sources that for example incorporate numerous pipes and services.
Installation; The Ventac contracts team have extensive experience of both oversight of the installation process and installation of a project themselves. As the success of a noise control project is dependent on the fine de-tails, the combined knowledge of engineering and acoustics has proved a critical element in the success of the projects.
Advice on typical regulatory requirements in developed countries
Every acoustic project Ventac engages in is done in compliance with the appropriate legislation and guidance. This requires an in depth familiarity with the provisions of these documents. The relevant legislation and guidance Ventac work to include:
World Health Organisation (WHO) , Guidelines for Commu-nity Noise, 1995
European Directive, 2002/49/EC, Relating to the assess-ment and management of environmental noise
European Directive, 2003/10/EC, on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (noise).
As part of compliance with the appropriate legislation, Ventac
conducts its testing and assessment work to the relevant international standard such as ISO. The standards used in-clude:
ISO 1996: 2003 Acoustics- Description, measurement and assessment of environmental noise
BS 4142:1997 Rating industrial noise affecting mixed residential and industrial areas
ISO 3744:2010 Acoustics - Determination of sound pow-er levels of noise sources using sound pressure
Engineering method in an essentially free field over a re-flecting plane
ISO 4866:1990 Evaluation and measurement for vibra-tion in buildings
Noise Control Barriers Ventac have designed and installed barriers of all shapes and sizes, reflective or absorptive. The design of the noise barriers ensures that the composition, construction and dimensions of the barrier will result in a significant noise level reduction at the desired location.
Vibration Isolation Structure-borne isolation of a noise source is a critical element to many noise control solutions. Vibration isolation can be very effective if the appropriate engineering is considered. These solutions include vibration mounts, inertial bases and anti-seismic measures.
Enclosures/Partial Enclosures Ventac enclosures are designed to suit the requirements of each individual site. Design details include the sound absorp-tion coefficients and sound transmission loss rating of the materials used. Doors, windows and services to the enclosed noise source are all critical elements to an enclosure and are considered in the design.
Ventilation & Air Handling Noise control for ventilation systems requires both knowledge of acoustics and aerodynamics. Ventac has over 40 years experience in specification supply and installation of ventilation systems for facilities of all sizes. This expertise complements Ventac noise control capabilities in this spe-cialised area.
