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Soil Steel Structures – No backfill. Soil Steel Structures – Compacted backfill. Soil Steel Structures – Backfill Comparison. Loose Backfill. No Backfill. Compacted Backfill. De-Watering. Dam and Pump. Diversion Channel. Material Storage. Material Marking. Material Handling. Excavation.
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Soil Steel Structures – Backfill Comparison Loose Backfill No Backfill Compacted Backfill
De-Watering Dam and Pump Diversion Channel
Bed Preparation Small Pipe – Flat Bed Large Pipe – Pre-shape Bed
Assembly - Seams Correct Seam Lapping Incorrect Seam Lapping
Assembly – Roof Plates Control Shape Check Dimensions
Backfill – Frozen Conditions Stockpile Mobile Asphalt Plant
Cutoff Wall After Backfill Reinforcing Steel Formwork
Shoulders and Headwall Shoulders Headwall