|658 Tree Root Aeration|
Item 658.02 C&MS
2. Sampling and/or Inspection Requirements:
Furnish aggregate for tree root aeration and protection consisting No. 4 or 467 limestone or gravel with a maximum sodium soundness loss of 15 percent. Verify that the aggregate source is part of the ODOT Certified Supplier List (S1069). Refer to OMMís website at
Furnish 4 " (100 mm) pipe conforming to 603 Type E conduit.
Furnish embankment conforming to Item. 203.
3. Method of Tests:
Item 603 Type E conduit