Demolition and temporary works

Careful demolition and temporary works are one of the most important processes in complex superstructure refurbishment and basement construction.

Our extensive experience working in historic listed, heritage and super prime properties helps us determine the most efficient and least disruptive designs and works sequence to protect and preserve those parts of a superstructure that are to become part of the permanent scheme.

We are members of the Temporary Works Forum and our director co-authored the TWf Underpinning: Good Practice Guide.

Structural modification

FREQUENTLY ASKED QUESTIONS

A sinking foundation is a serious concern for any property owner. Here are some common signs that may indicate your foundation is sinking:

  • Visible Cracks: Inspect the walls for cracks, paying close attention to the areas surrounding doors, windows, and corners. Cracks can appear horizontally, vertically, or diagonally - horizontal cracks are often the most concerning.
  • Doors and Windows Sticking: If doors and windows become difficult to open or close or no longer fit properly in their frames, it could be due to a shifting foundation.
  • Uneven Floors: Floors that sag or feel bouncy when walked upon can be a sign of foundation issues.
  • Gaps Between the Wall and Floor: If you notice gaps forming between your walls and the floor or ceiling, it might indicate that the foundation is settling.
  • Tilting Chimneys: A leaning or pulling chimney may indicate foundation sinking.
  • Water Pooling: If water pools near your foundation after rain, it can be a sign of a potential foundation problem.

If you are uncertain about the seriousness of the symptoms of your foundation, please contact us for a survey. We will assess the symptoms and advise you on whether repairs are necessary.

It's not always necessary to worry about foundation cracks, but it's important to know when they could be a sign of a bigger problem. Here's how to assess the severity of foundation cracks:

  • Width of the Crack: Hairline cracks are typically not a cause for concern. However, if the crack is wider than 1/8-inch, it might be a sign of a more serious issue.
  • The direction of the Crack: Vertical cracks are often due to settling and might not be severe. However, horizontal cracks are more concerning as they indicate pressure from the soil outside the foundation.
  • Depth of the Crack: Cracks penetrating through the wall or floor can be more serious than superficial cracks.
  • Location: Cracks near the corners of windows and doors can indicate a shifting foundation.
  • Growth Over Time: If a crack is widening or growing over time, seeking professional advice is essential.

If you are uncertain about the seriousness of a crack in your foundation, please contact us for a survey. We will assess the crack and advise you on whether repairs are necessary.

There are several reasons why foundation repair is essential, these include:

  • Structural Integrity: The stability of the entire structure is at risk if the foundation is compromised.
  • Safety: It is important to address damaged foundations as they can cause serious risks, such as the potential collapse of a building.
  • Property Value: Addressing foundation issues is crucial for maintaining and enhancing a property's value.
  • Cost-Efficiency: It's important to address any foundation problems as soon as possible to prevent them from causing more extensive and costly damage in the future.

In essence, foundation repair is vital for safety, maintaining property value, and ensuring the overall structural integrity of a building.

The length of time needed for a foundation repair can depend on various factors such as:

  • The Extent of Damage: Minor cracks or issues might be addressed within a day or two, while more extensive damages could take weeks to repair.
  • Type of Repair: Different repair methods, such as underpinning, piering, or slabjacking, have varying durations.
  • Accessibility: If the damaged area is hard to access, it might take longer to complete the repair.
  • Weather Conditions: Adverse weather can delay repair works, especially if they require excavation or outdoor work.
  • Property Type: Repairs in commercial buildings or larger homes might take longer than in smaller residential properties.

It's essential to consult with a foundation repair specialist, like Basement Force, to get an accurate estimate for your specific situation. For a precise timeframe related to your property, contact us for a survey.

Health and Safety

Basement Force were the lead authors on the ASUC (Association of Specialist Underpinning Contractors) publication:

"ASUC Guidelines on safe and efficient basement construction directly below or near to existing structures."

These guidelines were consulted on and endorsed by the Health and Safety Executive

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1st Floor, 7a Worton Hall Industrial Estate, Worton Road, Isleworth, TW7 6ER  |  T: 020 8944 5707
Email: info@basementforce.co.uk

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