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12.00 to 16.00


Pontoonworks provide access over water. Our bespoke Modular Pontoon Installations will bring a fresh innovative solution to maintaining your assets. Pontoon working platforms are installed by our fully qualified personnel directly onto the water without the need to decommission tanks. We work in clean and wastewater sites from PST's through to Clarifiers and reservoirs and offer the most cost-effective access solutions for accessing your assets.

Our pontoon is the only DWI Reg 31 product available in the UK and we are Achillies/UVDB registered and are Constructionline Gold Members.

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Working Platform for Internal Tanks

We have a long track record of solving access issues within the water sector.. Our guarantee is to provide safe stable access with minimum disruption to service.


Modular pontoon has proven to be the most cost effective and efficient solution to providing access in all types of tanks. One client requited access to replace inlet valves within a number of clarification tanks across multiple sites. Decommissioning and draining tanks wasn't a viable option due to the disruption to service and extremely high cost associated with scaffold installation. Modular Pontoon proved to be the most cost effective and efficient solution to this problem Our modular working platform was installed onto the water and fitted around the tank fixtures quickly and safely. The solution enabled contractors to undertake both the planned and some extra unplanned maintenance to the assets. Operatives were able to work unencumbered by harnesses with access and egress to the worksite from a secure ladder.


The installation and removal time for this type of working platform is approximately one day each and there is almost no disruption on site. Our pontoon is DWI Reg 31 approved and our installers are fully trained carrying all the relevant tickets. We have installed pontoon in approximately 100 tanks for this one water company and with a huge 58% cost saving in favour of pontoon versus scaffold they are continuing to maintain their assets with our support.


Pontoonworks have over 15 years experience supporting construction and civils projects in the UK and are bringing that specialist knowledge to the water industry.

Modular Working Platform
Clarification Tank Launder Clearance & Maintenance
Pontoon on clean water tank for launder replacement
Pontoon solutions for the water industry

We work in both clean and wastewater, tailoring our solutions to suit the need. Pontoon is the safest access solution for working on water and our experience makes us the obvious choice for supporting your maintenance. To find out more about our successful work visit

Bespoke dual platform for de-vegetation

Working closely with our clients has given us the opportunity to be on site and solve access problems with our innovative thinking. We were asked to find a safe solution for operatives to undertake de-vegetation on aeration lanes in a wastewater plant, previous attempts had been slow, unsafe and ineffective. Our bespoke dual modular platform with stability bridge provided a safe, manoeuvrable work space which was installed in less than 2 hours. This solution resulted in the clearance of 100m of lane each day and the entire site cleared in just under two weeks.

Reservoir Intake Tower Pontoon

pontoon working platform for reservoir

Ystradfelte Reservoir - Contractors Tema required access to refurbish the intake tower but there was no available access for plant or equipment mobilisation and the onsite crane wouldn't reach the works location. The tower was in close proximity to a weir so any solution needed to be securely moored but not the structure.


Our working platform was connected to shore via a 60m L shaped pontoon walkway with an abutment section to the spillway wall. The pontoon was protected with load spreading mats and fitted with a track to fill the gap between the crane reach and worksite.

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