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Ground Excavation | Drainage | Drains Excavated

From manholes to mansions, we do them all.
 

Checkatrade Reports for Southdowns Builders Ltd

Excavation - Pipe Laying

Drainage is an important aspect of almost any build and at Hampshire Groundworks we provide appropriate and affordable drainage solutions for a wide range of companies from commercial projects to smaller house extensions.

Inadequate drainage systems can result in building structural damage, weakening of the foundations and damage to paving, block-work, tarmac and or other above ground surface finishes. For this reason experienced companies such as ours provides expert handling of every groundwork and drainage task undertaken.

We cover all types of excavation work throughout the south coast including Hampshire, Sussex, Surrey and Dorset. All projects are undertaken working closely with the client or site management to minimise any issues that may arise. We cater for all types of clients from homeowners to property developers.

  • Land drainage
  • Trench or sheet pilling
  • House foundations
  • Ground stabilisation
  • Driveways
  • Access Roads
  • Park and garden drainage schemes
  • Main drainage systems

 

Hampshire Buy With Confidence Scheme

Land Drainage

Installing land drains requires digging trenches and laying plastic piping, which takes the excess water to either a soakaway area, a natural water course such as a stream or conduit, or the rainwater drain from the property. The plastic pipe has a series of holes cut into the top half of the pipe and the piping is laid in a trench, the depth of which is determined by where the water will eventually run.

The trench is lined with gravel and the pipe laid in it with a gentle slope or fall in the direction away from the flooded area. The pipe is covered with a geotextile material, which allows the water to penetrate but keeps out soil and grit, which will clog the pipe.

In the case of gardens where they are flooded a criss cross herring bone pattern is used so that the pipes are never less than 2.5 metres apart. When the pipe has been laid the ground can be returned to its desired purpose such as a lawn or flower beds and flowers and vegetables can be grown without further problems.

If a soakaway is used, a large area is required to install the pit, which will be at least 2 metres deep and several metres square. It is filled with rubble and covered with geotextile material and about 300 mm of soil. Ideally, the pit will be deep enough to find a porous layer of ground which allows the excess water to soak away. If a porous layer cannot be found, the pit will need to be drained by pipe to a natural watercourse or the rainwater drains.

 

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