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Wave Dynamics GuidesClear Answers on Acoustics, Monitoring and the Environment

Plain-English guides to the regulations, standards and assessments behind planning, building control and construction in Ireland and the UK, written by our specialists.

Acoustics

Acoustics

What Is Sound Insulation Testing?

What sound insulation testing is, when it is needed under TGD E and Approved Document E, how airborne and impact tests work and how to prepare.

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Acoustics

TGD E Explained: Sound Insulation in Irish Buildings

A plain-English guide to Technical Guidance Document E (2014): what it covers, the airborne and impact criteria, common areas and how compliance is shown.

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Acoustics

Approved Document E vs TGD E: Sound Rules Across Ireland and the UK

How sound insulation requirements differ between Ireland (TGD E), England and Wales (Approved Document E), Northern Ireland and Scotland.

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Acoustics

What Are SITRI and SITMA?

What the SITRI and SITMA sound testing schemes are, why registration matters for Building Control and how to check your tester is competent.

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Acoustics

Why Sound Insulation Tests Fail and How to Avoid It

The most common reasons separating walls and floors fail sound tests, from flanking and gaps to bridged floating floors, and how to avoid them.

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Acoustics

Rw, DnT,w and L′nT,w Explained

What the common sound insulation ratings mean, why laboratory Rw values differ from on-site DnT,w results and how to read a test report.

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Acoustics

Reverberation Time Explained

What reverberation time is, how it is measured, typical targets for classrooms, offices and common areas, and how to control it.

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Acoustics

Noise Impact Assessments Explained

What a noise impact assessment is, when planning authorities ask for one, the standards used in Ireland and the UK and what the report includes.

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Acoustics

BS 4142 Explained

How BS 4142:2014+A1:2019 works: rating level, background sound, character corrections, context and what the results mean for planning.

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Acoustics

BS 5228 Explained: Construction Noise and Vibration

How BS 5228 Parts 1 and 2 are used to set construction noise thresholds, the ABC method, vibration guidance and best practicable means.

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Acoustics

EPA NG4 Explained

What the EPA Guidance Note for Noise (NG4) covers, the default noise limits, quiet area screening and survey requirements for licensed sites.

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Acoustics

ProPG Explained: Planning New Homes in Noisy Places

How ProPG: Planning and Noise is used to assess new residential development, the stage 1 risk assessment, stage 2 elements and acoustic design statements.

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Monitoring

Monitoring

Construction Noise Monitoring Explained

How construction noise monitoring works in Ireland and the UK: compliant equipment, monitor locations, real-time alerts, audio recording and reports.

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Monitoring

Vibration Monitoring Explained

How construction vibration monitoring works: PPV, geophone set-up, BS 5228-2 and BS 7385-2 guidance, trigger levels and reporting.

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Monitoring

Crack Monitoring Explained

How crack monitoring works on construction projects: pre-condition surveys, tell-tales and digital crack meters, damage categories and reporting.

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Air Quality & Odour

Air Quality & Odour

Construction Dust Assessments Explained

How construction dust is assessed using the IAQM guidance, how risk is rated and what goes into a dust management plan and dust monitoring.

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Air Quality & Odour

Air Quality Impact Assessments Explained

What an air quality impact assessment covers, when it is needed for planning, the pollutants and standards used, and how dispersion modelling works.

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Air Quality & Odour

Odour Assessments Explained

How odour is assessed for planning and licensing: sniff surveys, the FIDOL factors, odour modelling and kitchen extract odour risk assessments.

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Climate & Microclimate

Climate & Microclimate

Climate Action Energy Statements Explained

What a Climate Action Energy Statement is, when Irish planning authorities ask for one and what it should cover, from energy strategy to renewables and carbon.

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Climate & Microclimate

Wind Microclimate Assessments Explained

How wind microclimate is assessed for tall buildings: Lawson comfort criteria, CFD modelling and wind tunnels, and mitigation such as canopies and planting.

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Climate & Microclimate

Flood Risk Assessments Explained

What a site-specific flood risk assessment is, how Stage 1 and Stage 2 work under the Planning System and Flood Risk Management Guidelines, and the Justification Test.

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Lighting & Daylight

Lighting & Daylight

Daylight, Sunlight and Overshadowing Explained

How daylight, sunlight and overshadowing are assessed for planning in Ireland and the UK using BRE 209 and EN 17037, for new homes and neighbours.

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Lighting & Daylight

Glint and Glare Assessments Explained

What a glint and glare assessment is for solar PV, which receptors are checked, how geometric modelling works and how effects are mitigated.

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Lighting & Daylight

Light Spill and Obtrusive Light Explained

How light spill and obtrusive lighting are assessed for planning, including ILP Guidance Note 01, environmental zones, sky glow and lighting near bat habitats.

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EIAR & Planning Services

EIAR & Planning Services

What Is an EIAR?

What an Environmental Impact Assessment Report (EIAR) is, which projects need one in Ireland, the chapters it contains and how specialist chapters fit in.

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EIAR & Planning Services

EIAR Noise and Vibration Chapters Explained

What goes into the noise and vibration chapter of an EIAR: baseline surveys, construction and operational assessment, significance, mitigation and monitoring.

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EIAR & Planning Services

EIAR Climate Chapters Explained

How climate is assessed in an EIAR: greenhouse gas emissions against carbon budgets, climate change vulnerability, significance and mitigation.

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Construction & Waste

Construction & Waste

What Is a CEMP?

What a Construction Environmental Management Plan (CEMP) is, why planning conditions require one and what it should cover, from noise and dust to water and waste.

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Construction & Waste

Construction Traffic Management Plans Explained

What a Construction Traffic Management Plan covers: haul routes, delivery hours, site access, parking, pedestrian safety and temporary traffic management.

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Construction & Waste

Resource and Waste Management Plans Explained

What a Resource and Waste Management Plan is for construction and demolition projects in Ireland, the EPA guidelines and what the plan must cover.

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Construction & Waste

Operational Waste Management Plans Explained

What an Operational Waste Management Plan covers for apartments, offices and mixed-use schemes: bin store sizing, segregation, collection and management.

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Audio Visual

Audio Visual

Audio Visual Design for Buildings Explained

What independent audio visual (AV) design involves for offices, schools, hotels and venues, from requirements and coordination to specification and commissioning.

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Audio Visual

Speech Intelligibility and STI Explained

What the Speech Transmission Index (STI) is, why voice alarm and PA systems are tested for it, typical targets and how to improve intelligibility.

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