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The 1st steps to drains pipes set up


   

The 1st steps to drains pipes set up

The first thing that you will need to think about when undertaking any DIY plumbing and drainage are the rules issued by your Local Authority.

If you are considering altering your existing sewage, or installing a new drainage system you will almost certainly need to present some detailed plans of the work that you intend to undertake and it will need to be inspected as the work progresses making sure that it complies with the local building rules. In most cases they do not need to be notified for a simple replacement of broken parts.

Surface water is basically rainwater. In older properties this surface water can find its way into the foul water sewage system, but more generally it can also end up in a watercourse, surface water sewer or soakaway. The rainwater pipes in combined sewage systems empty their discharge into the foul water drains through gully traps, this prevent foul air from escaping outside creating odours. But modern systems are especially created so that dirty water and surface water remain separate. It is extremely important to ensure that you do not connect foul water to a surface water drainage system. If you have doubts about your house’s sewage system, you can get help from the Building Control Department before you begin any work.

To properly prepare the plans and get local authority permission to commence work there is a need for you to plan the route of the waste pipes before you begin. Keeping the path as straight and short as possible will be the main concept behind the design of the waste passageways or pipes. The pipes should run straight with a gentle incline. Use the surveyor’s site level to calculate the drain fall over the complete system. If you do not have one of these available, establish a datum point and use a hose filled with water to establish levels and calculate the fall from the datum this way.

The stability of the existing house is of prime importance it should be not compromised while the drainage ditch is being installed so check you are not impacting on the existing structure. Similarly, take care of the foundations when laying a drain that runs alongside the house.

When fitting in a new drainage system, you should not dig the trench too long before placing the pipe as the ditch could collapse. Make sure that you get the pipes laid as quickly as possible and then backfill the trench as soon as the system has been inspected and tested.

You may need to provide some support to the ditch depending on the soil in that area and the depth of the trench. Take he utmost care when doing this work. If in doubt add support to the ditch to prevent it from collapsing. Keep the trench as narrow as you can but of course make sure that there is enough room to work in the ditch including any plan, machinery or tools you require. Ensure that the trench bottom is flat and free of stones, tree roots and soft spots. If the exiting material is not suitable then you may need to import a suitable material for the base of the ditch.

Bricks and/or any other sturdy material should never be used to prop up the pipe in the ditch. Such hard objects will cause the poorly supported pipe to bend or break and the joints will eventually fail. The base should be tightly packed in the appropriate manner with holes carved out to fit in the protruding pipe connections. You will need to provide a continuous and uniform support for the complete length of the pipe.

Make sure that your plans are made in such a way that drain rods are within reach of every part of the network of pipes. So that is why a run of drains should be as straight as possible between two points or inspection chambers. In case of any change in the direction of the pipework it should be provided with an inspection chamber for allowing drains rod access.

Keeping these points in mind, you can carry out your own drainage and plumbing work smoothly and almost professionally.

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