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What Is A Noise Impact Assessment ?


A noise impact assessment or noise assessment is something which generally follows a noise survey. The purpose is to determine how a generated noise affects a receiving point or multiple receiving points, be it existing or future proposed. In order to carry out a noise impact assessment it is necessary to know two parameters, the noise which needs to be assessed and the existing noise in which to assess it against.

It is usual for noise impact assessments to assess the resultant or generated noise expressed as the LAeq,T against the existing background noise level represented as the LA90.

For reference, the LAeq,T is the A-weighted 'equivalent continuous noise level' which is an average of the total sound energy measured over a specified time period, and the LA90 is the A-weighted noise level exceeded for 90% of the measurement duration (T).

An example of a typical noise impact assessment methodology is that of former British Standard 4142: 1997, ‘Method for Rating industrial noise affecting mixed residential and industrial areas’. BS 4142 compares a rating level against the existing background LA90 level in order to determine an excess of rating level above the existing background level. In other words, how many decibels the contribution of generated noise either is, or will be against the existing background. The difference between the two parameters above e.g. -10 or +5 dB etc, can then be used to assess the actual or predicted noise impact.

In addition to the example above, Local Authority’s can request a number of other types of noise impact assessments to be carried out on a site depending on the existing or proposed usage be it industrial, residential, occupational, planning, transportation or otherwise. We aim to give guidance, undertake any noise survey or noise assessment / noise impact assessment and provide noise mitigation advice in connection with any client’s requirements.

For more information regarding noise impact assessments or to discuss any requirements that you may have, please visit the subsequent website pages attached to the ‘Services Tab’ above, or contact us using the details provided below.

Environmental Noise Impact Assessments And General Noise Assessments And More

Transportation Noise Assessments, Road Noise Assessments, Railway Noise Assessments And More

Planning Noise Assessments, Entertainment Noise Assessments And Industrial Noise Impact Assessment And More

Please use the links provided to navigate around the site. If the links do not address the question or concern you may have, please contact us directly as we aim to help with any noise problem.

For a no obligation quotation or to discuss your requirements, please telephone your nearest contact point from the details below, or use the online enquiry form in the contact us section.


Tyne and Wear Location

Dynamic Response
The Beacon
Westgate Road, Newcastle Upon Tyne
Tyne and Wear, NE4 9PQ

Tel: 01915 436318
E-mail: newcastle@dynamic-res.co.uk


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Yorkshire Location
(Head Office)

Dynamic Response
Back Ingrow Bridge, Off South Street,
Ingrow, Keighley,
West Yorkshire, BD21 5AX

Tel: 01535 357314
E-mail: enquiries@dynamic-res.co.uk or;
keighley@dynamic-res.co.uk

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Midlands Location

Dynamic Response
The TechnoCentre,
Puma Way, Coventry,
West Midlands, CV1 2TT

Tel: 02476 992304
E-mail: coventry@dynamic-res.co.uk


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Berkshire Location

Dynamic Response
Festival House, 39 Oxford Street,
Newbury, Berkshire
RG14 1JG

Tel: 01635 896126
E-mail: newbury@dynamic-res.co.uk


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Norfolk Location

Dynamic Response
Unit 17 Mahoney Green,
Rackheath, Norwich,
Norfolk, NR13 6JY

Tel: 01603 850484
E-mail: norwich@dynamic-res.co.uk


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Kent Location

Dynamic Response
The Centre, Unit 8, Building 2,
Sandwich Industrial Estate
Sandwich, Kent, CT13 9LY

Tel: 01227 806430
E-mail: canterbury@dynamic-res.co.uk or;
ashford@dynamic-res.co.uk

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We Undertake Work In All Uk Towns And Cities Including:

Keighley, Skipton, Bingley, Bradford, Pudsey, Leeds, Halifax, Brighouse, Elland, Huddersfield, Wakefield, Castleford, Pontefract, Barnsley, Doncaster, Scunthorpe, Sheffield, Manchester, Oldham, Bolton, Burnley, Rochdale, Warrington, Wigan, Preston, Blackpool, Liverpool, Blackburn, Harrogate, York, Scarborough, Darlington, Newcastle Upon Tyne, Sunderland, Carlisle, Keswick, Morecambe, Lancaster, Nottingham, Birmingham, Wolverhampton, Leicester, Lincoln, Grantham, Stamford, Peterborough, Cambridge, Milton Keynes, Northampton, Worcester, Gloucester, Swindon, Bristol, London, Watford, Slough, Reading, Norwich, Southend-On-Sea, Epsom, Dartford, Gravesend, Chatham, Gillingham, Sittingbourne, Sevenoaks, Maidstone, Ashford, Canterbury, Whitstable, Margate, Ramsgate, Hythe, Folkestone, Dover, Brighton, Worthing, Portsmouth, Southampton, Woking, Basingstoke, Bournemouth, Exeter, Barnstaple, Plymouth, Newquay, Penzance And Beyond.

Or By Region:

Yorkshire, Lancashire, Northumberland, Humberside, Cumbria, Derby, West Midlands, Cheshire, Shropshire, Norfolk, Suffolk, Essex, Cambridgeshire, London, Kent, Surrey, Sussex, Hampshire, Dorset, Wiltshire, Somerset, Devon, Cornwall And Beyond.

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