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Celvac’s highly trained confined space operatives can deal with any type, size and depth of wet well, classified to NC1, NC2, NC3 and NC4 categories.Our entry teams are competent and trained to City and Guilds High Risk Confined Spaces for both entry and top-man and we also provide a rescue and resuscitation team to ensure we exceed all legislative requirements and maintain the highest standards of safety.

Our custom built hyper-vac tankers offer a wide range of suction capabilities that can remove all sewerage derived litter in an efficient and effective manner and can access assets in some of the remotest and restricted locations. 

Celvac is also equipped to respond to emergency requirements and will liaise with 3rd party statutory bodies and clients to ensure ongoing asset compliance.


We have developed robust planning and reporting mechanisms to support site delivery, which includes customized asset surveys, planned routes that optimize fuel efficiency and maximize wells cleaned within a working day and comprehensive wet well reports that provides the client with a detailed assessment of their asset pre and post clean.

We currently work on a self-managed basis for one UK Water Company whereby we clean 512 wet wells in rural, residential and industrial areas and carryout 863 cleans per annum as part of a planned preventative maintenance programme. Our culture of innovation means that we are continually exploring techniques to reduce man-entry requirements, to reduce the need for wash water throughout the process and to improve the waste screening process using our in-house designed and built Grit Separation Units.

Celvac Pump Station Cleaning Man Entry |
Pumping Station Cleaning Services |

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