What Happens When AdBlue Becomes Contaminated with Oil – And Why It Matters

In a recent SPELGuard service visit, a SPEL engineer uncovered a serious and often overlooked issue inside a SPEL Separator system. What should have been a routine inspection quickly revealed a much larger problem: AdBlue entering the separator, something that should never occur under normal operating conditions. This resulted in a thick, black, tar-like substance […]
Case Study | Hereford Railway Station Bus Transport Hub | Treating Surface Water Runoff

Located in Hereford, the Hereford Railway Station Bus Transport Hub is a key regional interchange, connecting rail and bus services. As part of ongoing infrastructure improvements, the site required a robust drainage solution capable of managing surface water runoff while protecting the surrounding environment from pollution. Given the nature of transport hubs, with constant vehicle […]
Case Study | Titan Logistics Park, Plot 2050B

Titan Logistics Park, Plot 2050B forms part of a major expansion of DP World’s existing logistics hub.
Case Study | Henllan Farm

The Missing Link itself is a three-mile stretch of single-lane carriageway on the A417 between the Brockworth bypass and Cowley Roundabout in Gloucestershire.
Are Oil Separator Alarms a Legal Requirement? UK Legal Requirements for Oil Separator Alarms

In the UK, businesses that discharge surface water potentially contaminated with hydrocarbons (such as from vehicle servicing areas, car parks or industrial yards) increasingly face stringent regulatory requirements to prevent pollution of drains, groundwater and watercourses. One key area of compliance is the use and ongoing management of oil separators – including the installation of […]
Do Attenuation Systems Require Upstream Treatment?

Put simply, the CIRIA SuDS Manual (c753) within the design assessment checklists require ‘suitable silt interception upstream’ of most attenuation systems. One of the central concepts of the SuDS Manual is that run-off should be treated as close as possible to source; it must then be attenuated and finally slowly released, in that order. Jo […]
Case Study | A417 Missing Link

The Missing Link itself is a three-mile stretch of single-lane carriageway on the A417 between the Brockworth bypass and Cowley Roundabout in Gloucestershire.
SPEL WRc Approved Packaged Pumping Stations: 30 Year Warranty

SPEL Packaged Pumping Stations – WRc Approved Tested for the ultimate and reliable performance with 30 year Warranty Haskayne WWTW Amazon, Swindon SPEL Products have been designing package pumping stations […]
SPEL StormCheck®: The Off-Site Flow Control Solution for SuDS Compliance

Surface water management is no longer just about moving water, it’s about doing it safely, sustainably, and cost-effectively. With stricter regulations and the growing need for Sustainable Drainage Systems (SuDS), engineers require solutions that deliver performance without slowing down construction schedules. The SPEL StormCheck® Flow Control Chamber is designed to meet these criteria. Built entirely […]
UK High Court Ruling: Chicken Manure Now Classified as ‘Waste’

What Does This Mean for Intensive Poultry Farms? In a landmark decision, the UK High Court has recently classified chicken manure as ‘waste’ under environmental legislation. This change brings significant implications for intensive poultry farms and units across the country, as they must now manage and store chicken farm waste in compliance with stricter waste […]