Geomembrane foundation conditions

1. After the formation and excavation of the foundation, slope cutting, leveling, rolling or compaction treatment must be carried out. The replacement and backfilling of disturbed soil should be watered and compacted in layers, with a thickness of not more than 400mm for each layer. One bar seven, six five, five seven, three six, east eight six.
2. Remove substances with potential puncture hazards that are exposed on the foundation surface, such as bricks, stones, and tiles; Glass and metal debris; Branches, plant roots, etc. Clear any obstacles within the site and provide necessary paving construction conditions.
3. The installation and reservation of surrounding retaining walls, pump pits, bridge foundations, and underwater pipe openings must be completed before the construction of composite geomembranes.