Construction Gas Detection & Site Monitoring Equipment

Reliable monitoring solutions to protect workers, meet compliance requirements and keep your construction projects safe.

Trusted by thousands of organisations across the UK, including:

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Construction Site Risks & Challenges Include:

 
Ground gases

Ground Gases

Methane, carbon dioxide and other gases from ground conditions.

Machinery emissions

Machinery Emissions

Carbon monoxide and other fumes from plant and equipment.

Confined spaces

Confined Spaces

Oxygen depletion and toxic gases in tanks, trenches and tunnels.

Dust and particulates

Dust & Particulates

Exposure to general/wood dust, silica and other airborne contaminants.

VOCs

VOCs

Vapours from materials, coatings, fuels and chemicals.

When is Gas Monitoring Required on Construction Sites?

 

Gas monitoring is required whenever there is a risk of hazardous gases being present.

Gas monitoring on construction site

Confined space entry
(e.g. tanks, trenches, tunnels)

Groundworks and excavation

Brownfield or contaminated land development

Enclosed or poorly ventilated environments

!

If gases cannot be reliably detected by smell or sight, monitoring equipment is essential.

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50+ Years of Experience

Supporting industry with trusted monitoring solutions since 1976.

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Industry Experience

Deep understanding of your challenges and environments.

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Tailored Solutions

Equipment and services designed to meet your specific needs.

When is Air Quality & Dust Monitoring Required on Construction Sites?

 

Construction activities generate airborne hazards that can impact workers, contractors and surrounding environments. Monitoring helps identify exposure risks, maintain compliance and improve site safety.

RCS

Respirable Crystalline Silica (RCS)

Generated during cutting, grinding and drilling concrete, brick and stone materials.

Wood dust

Wood Dust

Produced during cutting, sanding and shaping timber and engineered wood products.

General dust

General Dust

Includes gypsum, cement and nuisance dust created during demolition and site works.

Boundary monitoring

Boundary Monitoring

Helps assess off-site dust migration and environmental impact on neighbouring areas.

Common Health Risks
Exposure to silica dust, wood dust and airborne particulates can contribute to serious long-term health conditions including silicosis, COPD, occupational asthma and cancer.

Shawcity Construction Monitoring Solutions

 
 

Portable Gas Detection

  • Personal monitors for worker safety
  • Multi-gas detection (O₂, CO, H₂S, LEL)
  • Ideal for mobile and dynamic environments
View Portable Gas Detectors  ➜
 

Fit Testing

  • Qualitative and quantitative fit testing solutions
  • Supports compliance with HSE guidance
  • Suitable for FFP1, 2, & 3; half- and full-face RPE 
View Fit Testing Solutions  ➜
 

Air Quality & Dust Monitoring

  • Real-time particulate monitoring (PM10, PM2.5)
  • Respirable crystalline silica (RCS)
  • VOC detection using PID technology
  • Perimeter monitoring and environmental standards compliance 
View Air Quality Solutions  ➜
 

Equipment Hire & Calibration

  • Flexible hire options for short-term projects
  • Fully calibrated and compliant equipment
  • Ongoing support and servicing
  • No cost of ownership
View Hire Solutions  ➜ View Calibration Services  ➜

Construction Use Cases

Shawcity supports a wide range of construction applications:

 
Confined space monitoring

Confined space monitoring for tunnels and tanks

Ground gas monitoring

Ground gas monitoring on contaminated or brownfield land

Dust monitoring

Dust monitoring during demolition/remediation. Fit testing for RPE

Air quality monitoring

 Air quality monitoring in enclosed environments or environmental dust control

Gas detection

Gas detection for plant operation zones

Compliance & Safety Considerations

Monitoring ensures worker safety, legal compliance and data-led decision-making — reducing operational risk across every stage of your project.

Speak to a Specialist  ➜
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COSHH
Control of Substances Hazardous to Health
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DSEAR
Dangerous Substances and Explosive Atmospheres Regulations
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WELs
Workplace Exposure Limits
Special Offers

Current Sale and Product Spotlight

 
Current Sale

10% discount on all hire, service* and calibration

Save 10% on all purchase orders received for the above services before Wednesday 1st July.

Flexible hire options
Fully calibrated equipment
Manufacturer-approved servicing
View Hire Offer ➜
 

*The 10% discount only applies to services carried out in-house at Shawcity. Excludes Fixed system services.

Product Spotlight

OEM Gas Sensors

Explore OEM gas sensors for integration into detection systems, instruments and specialist monitoring applications.

Designed for OEM integration and R&D
Technical product support available
Minimum order quantity of 1!
View OEM Sensors  ➜
OEM gas sensors

FAQs

What is construction gas monitoring?

Construction gas monitoring involves detecting hazardous gases on-site to protect workers and ensure compliance with safety regulations.

What detection and monitoring equipment is used on construction sites?

Common equipment includes:

  • Wearable single or multi-gas detectors

  • Portable monitors for perimeter boundary monitoring

  • RPE (masks and respirators), which must be fit tested 

  • Air quality and dust monitors

When is air quality monitoring required in construction?

Air quality monitoring is required when:

  • Dust or airborne contaminants are present

  • Workers may be exposed to harmful substances

  • Compliance with WELs is needed

  • Perimeter monitoring to stay within environmental limits 
What gases are commonly found on construction sites?

Typical gases include:

  • Combustible gases (LEL)

  • Oxygen (O₂)

  • Carbon dioxide (CO₂)

  • Hydrogen sulphide (H₂S)

How do I choose the right gas detection equipment for construction?

You should consider:

  • Type of gases present

  • Site conditions and location

  • Need for wearable vs portable vs fixed systems

  • Compliance requirements.

Shawcity specialist
Chris Mottershaw
UK Sales Manager
 
Enquiries

Connect with us today

Speak to our team about your monitoring requirements. We can help you identify suitable equipment, services and support for your site or application.

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