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EV Drainage

EV Car Park Drainage Solutions

Blackoak Contracts offers professional drainage installation services, ensuring reliable water management for EV car parks. We work from drainage drawings where provided or design solutions on-site to suit surface levels and site conditions. Our expert team provides efficient solutions to prevent surface water buildup, protect charging infrastructure, and keep parking areas safe. Trust Blackoak for quality workmanship, timely completion, and durable results tailored to EV facilities.

Permeable Solutions

Blackoak Contracts can help make the car park area a permeable option by providing block paving systems or grass crates if required, allowing water to infiltrate naturally and reducing surface water runoff.

Drainage Design & Installation

We start by investigating the current drainage on site and make a plan to reuse the assets in the ground, combining them with a new drainage network. Drainage channels or ACO Qmax channels can be installed to control surface water, in either a D400 spec for road traffic or B125 for pedestrians. Sumps can be added to the channels to act as silt traps, all being directed towards assets, soakaways, or attenuation tanks.

Deeper Drainage

Some EV sites may require deeper drainage connections due to existing assets. Blackoak safely carries out this work using trenches, manholes, and drag boxes to protect operatives during excavation. All operatives are trained in confined space entry to ensure maximum safety. Depending on depth, chambers are constructed using concrete rings and cover slabs, adaptable to D400 manhole covers.

Hydro-Brake Manholes

Hydro-Brake® manholes provide a reliable way to control water flow on EV car park sites. Using advanced vortex technology, they regulate discharge rates without any moving parts, ensuring long-term performance with minimal maintenance. By controlling the flow from SuDS or sewer systems, Hydro-Brake® manholes prevent flooding, reduce erosion, and protect downstream infrastructure and the environment.

Oil Interceptors

Blackoak Contracts installs oil interceptors for EV car parks to prevent oil, fuel, and hydrocarbons from entering sewers or the environment. The system slows water flow so oils float, sediments settle, and cleaner water is safely discharged.

Why Choose Blackoak Contracts

From planning and design to installation and safety management, Blackoak Contracts delivers complete drainage solutions tailored to EV car parks. Our focus on quality, compliance, and long-term performance ensures your site remains safe, efficient, and future-ready. Partner with us for a reliable, professional approach to EV infrastructure drainage.

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"I have been working with Blackoak contractors for 8 plus years on numerous size projects and they have delivered high quality installations with great attention to detail. I would say their strongest points are quality, reliability, flexibility and competitive rates across the construction industry. I will continue a well-established relationship with future projects with Blackoak as we look to expand our business to meet our ever-growing client demand”.

Actemium - Antony BishopProject Manager
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"I would like to take this opportunity to thank all the contractors and site staff for their patience and support during the construction and install of our 2 x new 175kW chargers. Despite challenges on site, it is with everyone’s help and support that this project was complete before the new year."

Euro GaragesSuhaib Patel
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"Blackoak has been a valued civils contractor for Actemium over 8 years. The continued partnership over the years is built on trust and the quality of work provided by Blackoak. This has been an asset to us and has enabled both companies to grow organically. The construction industry is very competitive and Blackoak needs to be commended for their commitment to rates whilst maintaining quality and their increased focus on health and safety. We hope to continue our partnership with Blackoak and to grow it further."

Actemium - Jawwad KhattakSenior Contracts Engineer