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Manholes are integral urban infrastructure components that provide a safe and easy access to underground utilities. One of the most important factors to consider while choosing a suitable manhole cover is its weight carrying capacity, it defines whether a cover can stand the impact of different types of traffic and environmental conditions without breaking down.   What is meant by weight loading? Weight loading or load rating refers to the maximum weight that a manhole cover can safely bear before it breaks. This rating is crucial to ensure that the manhole cover can sustain the expected traffic from the area...

Designed for foul pipework, septic tanks and domestic sewage treatment plants, the Poly-Air activated carbon vent filter removes offensive odours as they exit the sewer pipe network through vent pipes. The problem Every building with a sink, toilet, bath or shower has a network of sewer pipes to remove wastewater. Odours from this pipe network (and septic tanks) are often a nuisance problem and when they occur can be particularly unpleasant. All sewer pipe networks and septic tanks should have vent pipes installed to allow pressure to equalise as wastewater flows from a sink, toilet or other source. Without vent pipes, flow would be...

Available in capacities from 2000-20,000 litres, the Marsh washdown oil separator range safely removes silt and debris from vehicle wash-down facilities. These units are primarily used on car wash bays, pressure wash facilities or other cleaning facilities where the effluent must be discharged to the foul water drainage system. It is a legal requirement to install a silt trap or wash-down separator on commercial sites, such as vehicle wash bays, where there is an environmental risk of contamination from dirt, brake dust, traffic film residue, cleaning agents, oil, etc. In all cases, you should contact your local building control or...

With capacities ranging from 830-3400 litres, Marsh silt traps provide effective storage of silt and debris from vehicle wash-down facilities. Positioned ahead of an oil separator, the silt trap gathers and stores silt and sediment, and prevents it from entering the oil separator system. The unit is supplied with a hinged, galvanised steel grating that provides exceptional structural integrity and allows for easy emptying. As with all Marsh products, the tank body is guaranteed for 25 years with a design life of 50 years, providing it is installed in accordance with the manufacturers installation instructions Benefits Heavy duty body enables...

A full retention oil separator is used where there may be a ‘high risk’ of a significant fuel spillage, such as vehicle workshops Designed and tested to BS EN858 parts 1&2, Marsh Hydroil full retention separators are manufactured from virgin unfilled resin offering exceptional durability, impact resistance and are guaranteed to be watertight and of uniform thickness. These combined properties ensure that the full range of separators stand up to the most rigorous conditions during their service life. Internal working components, such as coalescing filters, automatic closure devices, weirs, oil skimmer plates, and their configurations offer the most modern and...