Tree Root Preservation Service - Construction Sequence
Wed, 11/11/2009 - 09:46
| 1. Protection to the exisitng trees is erected in accordance with British Standards. |
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| 2. Lay geotextile membrane, cellweb and fill with pea shingle. This provides a level working platform, protects the ground surface and allows moisture and oxygen to reach the tree roots. |
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| 3. Hand auger pile positions to a depth of 750mm to check for the presence of tree roots larger than 10mm diameter. If found move pile positions and hand auger again. |
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| 4. Install bored piles using lightweight rigs and sleeve top 1.0m to prevent concrete leaching into root zone of the trees. |
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5. Lay Deck Support Units and decking to create void beneath slab.
6. Pile overlays are also placed to prevent concrete leaking through deck onto pea shingle below. |
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7. Install reinforcement steel and fix stainless steel masonry support angle to decking
8. Pour concrete and level to high tolerance level |
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