Pollution Control Experts

Case Studies

Alpha Septic Tank 2800 litre serving a 2-bedroom cottage

Site Description 2- Bedroom cottage Requirements A basic septic tank to cater for waste produced from 2-bedroom (maximum 4-persons: P.E equivalent), one shower / bath, single sink, washing machine. Installation date June 2005 Product Alpha Septic Tank 2800 litre Notes Being a holiday cottage, the unit would be inactive for long periods, but performing when occupied – often at short notice. Discharge to a soakaway with authority consent.

BA BioDisc treatment plant serving a 3-bedroom farmhouse

Site Description 3- Bedroom farmhouse Requirements A packaged sewage treatment plant to cater for waste produced from 3-bedrooms (maximum 6-persons: P.E equivalent), one shower / bath, single sink, washing machine. Installation date Jan 2006 Product BioDisc BA Notes The client approached Klargester to discuss the options for replacing a failing brick Septic Tank. Key criteria were to reduce frequency of tank-emptying visits and to use existing soakaway without the risk of blockage. Major concern was also to reduce pollution of surrounding streams and watercourses.

BG BioDisc treatment plant + Sewage Pumping Station

Site Description A rural hamlet of nine houses Requirements The nine houses totalled a population equivalent of 60. In addition to the bedrooms each house featured numerous bathrooms, washing machines and potentially extra dishwashers that may be added by new homebuyers. Installation date November 2005 Product BioDisc BG + sewage pumping station Notes A new development on a brownfield site. Developer was looking to build nine individual homes of various sizes linked to a communal sewer. Sewer pipe would feed to a pumping station and then into a treatment plant located uphill in neighbouring farmland. Sewage plant would have to possess performance + capacity to cope with any future additional inflow, (such as dishwashers) to be fitted by new owners.

2 Biodisc sewage treatment systems installed in the garden

Key Facts Installing a Biodisc sewage treatment system: Saves Toby Sermon and his neighbour a great deal of money. Doesn’t create bad odours. Very efficient way of storing and treating sewage. Notes After more than 18 months of trying to cope with an overflowing septic tank situated half-way down the garden, Toby Sermon finally decided enough was enough. The smell was so appalling that Toby and his family rarely went into the garden. He and his wife constantly worried about the obvious health risks to their two young children, as well as the dangers inherent in having as Toby describes it, “essentially a 12 foot hole with an aluminium cover” close to where his daughter played with their family dog. Click here to view in full

High-Capacity treatment plant serving a camping & caravan holiday park

Site Description A camping & caravan holiday park Requirements Waste produced by various sources – Toilet blocks, showers, sink stations, and the owners’ accommodation (4-bedroom house), located on site. Installation date May 2010 Product Envirosafe 80H Sewage Treatment Plant Notes With the site open for 8-months of the year, the plant would experience a fluctuating pattern of inflow. Also it would have to be cost-effective in purchase and still meet the demands of up to 250+ persons.

Oil/Water Separator – Truck maintenance depot

Site Description Truck maintenance depot Requirements Depot split into two external hard standing areas and internal maintenance bays with integrated floor drainage (totalling an area of 4046 sq metres). Within this site is located a vehicle washdown bay. Installation date November 2005 Product NS80 Class 1 Full Retention Separator + 8000 litre Washdown Separator. Notes Operated 24hrs, the truck maintenance depot is a site with a large area of concrete hardstanding. In addition to rainwater entering the drains are an array of pollutants - these include oil, grease, road tar and dirt, diesel fuel, and hydraulic fluid. A vehicle washdown bay also produces a quantity of road grit, dirt and debris. The total site’s drainage is linked into the local foul sewer network and is regularly monitored by the local water authority.