Preventing drainage problems

Precautions you can take to help prevent drainage problems

  • Never cover over manhole lids - they may have to be lifted up to gain access to the pipework if the drains block
  • Check there is no loose brickwork in manhole chambers - loose bricks may fall and block the system
  • Do not extend a house over the line of drainage pipes or manholes without taking specialist advice
  • Changing underground drainage is likely to require Building Regulation approval
  • Do not pour anything into the drains that will solidify and block them e.g. fat, plaster, or cement
  • It is dangerous and illegal to discharge toxic and flammable chemicals such as oil, petrol, paraffin, etc. into the drains
  • Do not try to clear blockages with anything apart from proper drainage rods. Lengths of timber, garden canes, etc. are not suitable and may cause further problems
  • Items such as paper towels, disposable nappies, incontinence pads etc. should not be put down the drains
  • It is unwise to plant trees or large shrubs near the line of a drain or sewer as the roots can penetrate the pipes and cause a major obstruction
  • When plumbing in an automatic washing machine or other appliance, make sure it discharges into the foul drainsĀ 

Last Updated on Friday, April 12, 2019

Precautions you can take to help prevent drainage problems

  • Never cover over manhole lids - they may have to be lifted up to gain access to the pipework if the drains block
  • Check there is no loose brickwork in manhole chambers - loose bricks may fall and block the system
  • Do not extend a house over the line of drainage pipes or manholes without taking specialist advice
  • Changing underground drainage is likely to require Building Regulation approval
  • Do not pour anything into the drains that will solidify and block them e.g. fat, plaster, or cement
  • It is dangerous and illegal to discharge toxic and flammable chemicals such as oil, petrol, paraffin, etc. into the drains
  • Do not try to clear blockages with anything apart from proper drainage rods. Lengths of timber, garden canes, etc. are not suitable and may cause further problems
  • Items such as paper towels, disposable nappies, incontinence pads etc. should not be put down the drains
  • It is unwise to plant trees or large shrubs near the line of a drain or sewer as the roots can penetrate the pipes and cause a major obstruction
  • When plumbing in an automatic washing machine or other appliance, make sure it discharges into the foul drainsĀ 

Last Updated on Friday, April 12, 2019

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