Interceptor traps are usually found in the outlet of the last manhole chamber from a property prior to the main sewer connection. However, we would always advise on replacing the trap completely and installing a new one as we believe the advantages of having them outweigh the disadvantages. Once at this stage many are excavated and removed and a straight line pipe installed, as this is usually easier and quicker than replacing the whole trap. They are prone to deterioration and damage though and ground settlement, roots or general abuse can cause them to fail.
Although, even then rats are good swimmers and can easily negotiate the bend or trap of an interceptor and travel through the water. They can also help to prevent rodent access from the main sewer, although they must be operational and intact with the rodding eye cap in place. This is done by the water held in the trap which creates an airtight seal, but allows solids and liquids to flow through. Their main purpose was to prevent odours and gases from the main sewer venting into properties, therefore preventing airborne infection. It was first believed that the disease cholera was an airborne infection (until the physician John Snow later proved it was waterborne). The most commonly used by name today are Winser Interceptor traps and Kenon Interceptor traps.Ĭast iron interceptor traps are also made.Īn interceptor trap is probably the most crucial part of a drainage system and I believe they were seriously introduced in Victorian times instigated as a result of epidemics such as the 1854 Soho cholera outbreak caused by poor sanitation. They have The Radnor, The Netley (Reverse Action), The Warwick, The Coulsdon and The Salus.Īlthough the originals are all slightly different and named, I would assume, to set the manufactures apart they all primarily do the same job. However, as is everything these days, they do not make them like they used to.ĭoulton & Co Ltd, Lambeth (yes, the same as Royal Doulton) list several versions of Interceptor Trap in their ‘Drainage and Sewerage Appliances Catalogue’ dated October 1924. They are all made from vitreous clay and are still available today. There are various different well-known types of Interceptor Trap for example: Winser trap, Kenon trap, Bristol trap, Buchan trap and Reverse Interceptor trap.
0 kommentar(er)
