Division 3: Trench Excavation and Backfill
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Section 3010: Trench Excavation and Backfill
Part 1: General
- 1.01 Section Includes
- 1.02 Description of Work
- 1.03 Submittals
- 1.04 Substitutions
- 1.05 Delivery, Storage, and Handling
- 1.06 Scheduling and Conflicts
- 1.07 Special Requirements
- 1.08 Measurement and Payment
Part 2: Products
- 2.01 Materials Excavated from a Trench
- 2.02 Bedding and Backfill Material
2.03 Class V Material (Topsoil)
2.04 Stabilization (Foundation) Materials
2.05 Special Pipe Embedment and Encasement Material
Part 3: Execution
- 3.01 Trench Excavation
- 3.02 Rock or Unstable Soils in Trench Bottom
- 3.03 Trench Protection
3.04 Dewatering
3.05 Pipe Bedding and Backfill
3.06 Trench Compaction Testing
Figures
3010.101 (SW 101) - Trench Bedding and Backfill Zones
3010.102 (SW 102) - Rigid Gravity Pipe Trench Bedding
3010.103 (SW 103) - Flexible Gravity Pipe Trench Bedding
3010.104 (SW 104) - Pressure Pipe Trench Bedding
3010.105 (SW 105) - Miscellaneous Pipe Bedding
3010.901 - Sewer Pipe Support Over Existing Utility
3010.902 - Reinforced PCC Beam Utility Line Support
3010.903 - Flowable Mortar Fill Utility Line Support
Section 3020: Trenchless Construction (Boring, Jacking, and Tunneling)
Part 1: General
- 1.01 Section Includes
- 1.02 Description of Work
- 1.03 Submittals
- 1.04 Substitutions
- 1.05 Delivery, Storage, and Handling
- 1.06 Scheduling and Conflicts
- 1.07 Special Requirements
- 1.08 Measurement and Payment
Part 2: Products
- 2.01 Carrier Pipe
- 2.02 Casing Pipe
- 2.03 Casing Spacers
- 2.04 Backfill For Abandoned Tunnels
2.05 Backfill Material
2.06 Casing End Seal
Part 3: Execution
- 3.01 Excavation
- 3.02 Sheeting, Shoring, and Bracing
- 3.03 Dewatering
- 3.04 Trenchless Installation
3.05 Pit Restoration
Page last revised: January 13, 2010
