Project: CAD drawing and survey Customer: City Group Sector: Property management Location: Hemel Hempstead The challenge City Group is a steel fabrications company in Hemel Hempstead, Hertfordshire. The company owned three units in an industrial estate, and contacted UKDN Waterflow (LG) Ltd to undertake a CCTV drainage and line and level survey of the buildings in preparation for sub-letting […]
Project: Lake pipe unblocking Customer: Buckingham Palace Sector: Commercial Location: Buckingham Palace The challenge The lake overflow system at Buckingham Palace had not run properly for some years, even though it had been assessed by a number of different drainage contractors. We were approached to see what could be done to finally resolve the problem. Probe jetting techniques found […]
Project: Drainage interceptor unblocking Customer: Bouygues E&S FM UK Sector: Facilities Management Location: South London The Challenge A badly blocked interceptor on a main foul drain was causing serious problems at one of the main campuses for the University of the Arts London. Sewage was backing up into the drainage system at the Camberwell College site. Relays of tankers […]
Project: The Sewer Drainage Area Catchment (SDAC) project Customer: Thames Water Sector: Water Location: Greater London The Overview UKDN Waterflow are using internet based sewer and drain asset management systems alongside the established Wincan survey inspection package in the delivery of key large scale CCTV projects for Thames Water saving time and money, whilst improving quality and effectiveness. The […]
Project: Relining Customer: Tottenham Borough Council Sector: Local Authority Location: Oxford Street, London The Challenge A 1.9m diameter sewer, 17m below Oxford Street at risk. As part of the £500m Tottenham Court Road Station Upgrade, future tunnelling works underneath Oxford Street required consideration of potential risks to adjacent sewers. To mitigate the risks identified, 100 metres of the Mid-Level One, […]
UKDN Waterflow (LG) Ltd has won the 2017 UKSTT small renovation award for a project to rehabilitate the largest culvert in the Network Rail South East region. The company’s specialist rail division was presented with the trophy by former England goalkeeper Peter Shilton at the annual dinner and awards ceremony of the […]
Setting up a business or moving to a new location is an exciting yet challenging time. There’s a lot to think about and – if you’re not careful – a lot to forget about, too. One such issue is drainage, which can incur considerable expenses down the line if left unattended. To help commercial buyers […]
Moving into a new home is an exciting yet challenging time. There’s a lot to think about and – if you’re not careful – a lot to forget about, too. One such issue is drainage, which can incur considerable expenses down the line if left unattended. To help new-buyers begin their new adventure, we’ve assembled a […]
The main feature of a trap, such as the U-bend (invented by Thomas Crapper in 1880), is that it holds standing water. This prevents sewer gases in the drains coming back into the building, but still allows waste to pass through into the sewer system. After a toilet, sink or bath has been used, the […]
A French drain (also known as land drain, perimeter drain, French ditch, sub-surface drain, sub-soil drain or agricultural drain) is a trench filled with gravel or rock or containing a perforated pipe. Its purpose is to redirect surface water and groundwater away from an area, so prevent it from penetrating or damaging building foundations. It […]