02210 - trenching, backfilling and compaction of utilitiesMar 27, 2014 . of underground utilities as shown on drawings and as specified, . B. Bedding Course: Layer of loosely placed select backfill material .. baghouse dust is best and may be obtained from quarry sources such as Georgia.utilities quarry material,Extractive Industries Quarries - Department of Planning and .Extractive materials used in construction must be clean, strong . at the extraction site; dimension stone quarries .. development; utilities including transmission.Excavated Material Options Assessment - National Infrastructure .Thames Water Utilities Limited ... are primarily landfills and quarries in need of material for restoration (158 sites) and .. Queen Mary Quarry Material recycling.
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