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| The Approved Documents | |
| Part C: Site Preparation and Resistance to Moisture | |
| C1. Preparation Of Site Vegetation and topsoil must be removed from a site before building can start. | |
| C2. Dangerous And Offensive Substances Increasingly these days, buildings are constructed on sites which may have been contaminated or have been waste tips or similar. Sometimes substances and materials found in these areas are harmful or cause a health risk. They have to be identified, removed or treated to make them harmless. Precautions must be taken to avoid the ingress and accumulation of harmful gasses such as Radon and Methane. | |
| C3. Subsoil Drainage Very often ground water exists naturally just below the surface of the ground. If left it would get into the building making it unhealthy and possibly damage the building itself. To avoid this it is sometimes necessary to provide special drains to take the water away. | |
| C4. Resistance To Weather And Ground Moisture The walls, floors and of course the roof of a building must be designed and constructed so as to be adequately waterproof. | |
| Click here for a downloadable version of the Approved Document Part C | |
| Approved Document C - Site preparation and resistance to contaminates and moisture (2004 Edition) (PDF 1949 Kb) | |
| Additional Guidance | |
| Preparing for Floods | |
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The information in this document builds on existing planning guidance and also advice on taking extemporary measures to protect against flooding, which is available through the Environment Agency. It contains informed advice that is relevant to the owners of homes and small businesses and people undertaking building work.. |
| Preparing for Floods (PDF 587Kb) | |
| Archived Copies | |
| Approved Document C - 1992 edition | |
| Valid: 1st June 1992 - 1st December 2004 | |
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The requirement in this edition was: |
| C1 - Preparation of Site | |
| C2 - Dangerous and Offensive Substances | |
| C3 - Subsoil Drainage | |
| C4 - Resistance to weather and ground moisture | |
| Approved Document C - 1985 edition | |
| Valid: 11th November 1985 - 1st June 1992 | |
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The requirement in this edition was: |
| C1/2/3 - Site preparation and contaminents | |
| C4 - Resistance to weather and ground moisture | |
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Approved Document C - Site preparation and resistance to contaminates and moisture (1985 Edition) (PDF 1.65Mb) |
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East & South Cheshire Building Control 2007