Blocked Drains Devon
Septic Tank Installation Devon
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Services We Offer
Drains and Sinks Unblocked
We'll identify and remove all blockages from drains and sinks Drainage - Drains & Sinks
Drain Mapping & Tracing
If you need to know where the drains are and where they go to, this is the service you need. Drainage - Mapping
Full Colour CCTV Surveys
Whatever the problem, the most appropriate solution can be determined via CCTV Surveying Service Drainage - CCTV
Power Jetting
The most effective way to rid pipes of deposits is high pressure water jetting Drainage - Jetting
Root Removal
Roots can be cut from the drain using Root Cutting equipment powered by high pressure water Drainage - Root removal
Streetworks Accredited Free No Obligation Estimates All Work Guaranteed 24HR Emergency CalloutTrained & Experienced Staff
Septic Tanks
New septic tank systems installed. Maintenance and replacement of existing septic systems. New domestic treatment plants. Drainage - Root removal
Gutter Cleaning
Cleaning both ground and high level gutting. Abacus can clear any debris from your guttering and hard to reach surfaces.Drainage - Root removal
  Blocked drain clearance
   
 
 

Septic Tanks - What they are, how they work

There are a lot of different types of domestic septic tank systems, and we can only cover the basic types here. The specific type of septic tank you have, and the manner of its construction will vary massively depending on its age, where it is, and who it was that installed it originally. The majority of septic tanks were installed long before there was any oversight by building regulations, and even after legislation was brought in to control the type and manner of septic system installation, many tanks were fitted without much referral to the rules governing such installations.

Even though specialists who know how to correctly build a drainage system have been in business since Roman times, a lot of septic tank systems in the UK were originally built by the same builders who built the rest of the property it is attached to. While this doesn't mean that the builder didn't know what he was doing, the septic tank is likely to not be noticed if something is wrong.

  Devon septic tank installation
A modern EPP2 Biotec shown in the ground

Unlike most other aspects of the property, where anything not built properly will be quickly noticed and rectified (leaking roof, poorly fitted doors or windows, etc) a badly made septic tank can go for years until the inevitable happens. Unfortunately, when it does go wrong, it tends to go wrong catastrophically.

Traditionally, septic tanks were built from bricks or blocks or constructed from sections of concrete, typically featuring three chambers. The drainage from the house discharges into the first chamber, which in turn feeds into the second chamber. In these two chambers the sewage is left to settle, leaving solid waste to float on top, and heavy sediment to sink to the bottom of the tank. The use of the pipes (dip and 'h' pipes) allows the water to pass from one chamber to the next without bringing the separated solids with it. Finally the water in the tank passes into the last chamber. This is a filtration tank, filled with a 'filter media' that ensures that only cleaned water is released from the tank. Although you may find examples built from clay, metal, or even wood, sometimes just what the builder had to hand. Today, septic tanks are made from fibre glass or, more commonly, sturdy plastics.

Septic tank installation Devon
A modern EPP2 Biotec septic tank

Unfortunately, many systems are built with a single holding chamber which flows directly into a filter media, this doesn't clarify the waste sufficiently to ensure that it is fit for release into the wider environment. Others may feature two separate chambers for waste to settle, but with no filter chamber, which again doesn't do the job properly. There are even some properties with no tanks at all. No chambers to let the waste separate, no filter media to further clean the waste, just a straight discharge into the environment, typically rivers or brooks. Should these be discovered they usually attract the attention of the Environment Agency, as this sort of system has been prohibited since Victorian times.

A working septic tank system will effectively separate solids and other waste waste from the water. The waste mostly forms a crust on the surface of the tank, this is processed to some degree by bacteria present in the system, and residual enzymes present in the waste. Domestic sewage treatment systems are available these days which process the waste to a much greater degree, breaking the waste down far more than a traditional septic tank. Whichever system you opt for, the tank will require someone with a big tanker pumping all of the left over waste matter and sediment out of the tank.


  Septic Tank Services
 
  Modern Septic Tank
     
  Septic Tank Installation
 
  Septic Tank Maintenance
     
  About Septic Tanks
 
  Domestic Sewage Treatment Plants
     
  Septic Tank Maintenance
 
  Septic Tank Soak Aways
     
  Septic Tank Features
 
  Septic Tank Problems
 
     
 

Services we offer accross Devon and Cornwall include:

Drains and Sinks Unblocked | Drain Mapping & Tracing | Blocked Drain Clearance | Full Colour CCTV Surveys | Power Jetting | Free No Obligation Estimates | Root Removal
               
- Root Removal  - Streetworks Accredited - 24hr Emergency Callout Trained & Experienced Staff
 
Drainage Cornwall   Drainage Exeter
Abacus Drainage Services | 23 Long Park | Ashburton | Devon | TQ13 7BP | Website Hosting & Marketing by Devon Web Hosting  
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