Business Details
33 Years
experience
Emergency
services
Trusted Confined Space Cleaning Services in Swansea
Established in 1993, Celvac has grown to become a leading specialist in confined space cleaning and media removal across the UK water, petrochemical, construction, manufacturing, and food industries. Our team of highly skilled professionals utilises in-house designed hyper-vac technology to deliver innovative, safe, and cost-effective solutions for complex industrial cleaning challenges. With over three decades of experience, we prioritise safety compliance, environmental responsibility, and operational efficiency while serving as principal contractors for major infrastructure projects.Our commitment to continuous improvement drives collaborative working practices that build long-term client relationships. We maintain a fleet of specialist equipment designed for remote and restricted access locations, supported by certified confined space entry teams trained to City & Guilds standards. Our services include turnkey solutions for digester de-gritting, tank cleaning, and emergency waste removal, with a focus on minimising asset downtime and exceeding legislative requirements.
Services
Digester Cleaning
Filter Refurbishment
Pumping Station Cleaning
Tank Cleaning
Tankering Services
Confined Space Rescue
Plant Shutdown Services
Culvert Cleaning
Cesspit Emptying
CCTV Drain Survey
Details
- Year established: 1993
Highlights and features
- We offer 30 years of specialist experience in confined space cleaning operations
- Our in-house designed hyper-vac technology enables access to restricted locations
- We provide 24/7 emergency assistance with rapid response capabilities
- Our teams hold City & Guilds High Risk Confined Spaces certifications
- We operate as Principal Contractor under CDM Regulations for complex projects
Associations and certifications
- City & Guilds
Services
Digester Cleaning
Our digester cleaning service removes organic and inorganic materials from wastewater treatment digesters using ATEX/DSEAR compliant screening units. This minimises client downtime while ensuring safety compliance. The process includes pre-cleaning consultations, waste screening, and complete waste management documentation.
Confined Space Rescue
We provide certified rescue teams for high-risk confined space operations, equipped with breathing apparatus and City & Guilds accredited personnel. Our service includes emergency response planning, safety documentation, and coordination with third-party contractors during complex industrial operations.
Tankering Services
Our vacuum tanker fleet handles bulk liquid effluent and sludge removal, ranging from 3,000 to 6,000 gallons capacity. The service includes disposal documentation, pollution prevention measures, and transportation of hazardous and non-hazardous liquid waste to certified facilities.
CCTV Drain Survey
Using advanced CCTV technology, we inspect drainage systems to identify blockages, faults, or structural issues. This service supports preventative maintenance planning and helps avoid costly repairs through early issue detection in commercial and industrial properties.
Plant Shutdown Services
We support planned and emergency plant shutdowns in petrochemical and power industries. Our services include confined space cleaning, media removal, equipment jetting, and coordination with maintenance teams to optimise safety and reduce asset downtime during critical maintenance periods.
Questions
What industries do Celvac serve?
We work with water treatment facilities, petrochemical plants, construction sites, manufacturing units, and food processing facilities across the UK.
Are your teams certified for high-risk operations?
Yes, our confined space operatives hold City & Guilds High Risk Confined Spaces 6150-03 certifications with rescue teams accredited to 6160-08 standards.
Do you offer emergency services?
We provide 24/7 emergency assistance for urgent waste removal and confined space operations with rapid response capabilities.
What equipment do you use?
Our fleet includes custom-built hyper-vacuum tankers, mobile screening units, and in-house designed grit separation systems for challenging environments.
How do you handle waste disposal?
We use certified waste disposal sites with full documentation, ensuring compliance with environmental regulations for all collected materials.
Can you work on potable water sites?
Yes, our clean water division operates under National Water Hygiene standards with strict cross-contamination prevention procedures.