Division 3: Trench, Backfill, and Trenchless
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Section 3010: Trench 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 for Payment
Part 2: Products
- 2.01 Excavated Materials
- 2.02 Stabilization (Foundation) Materials
- 2.03 Class I Granular Bedding and Backfill Material (Storm Sewers and Sanitary Sewers)
- 2.04 Class II Backfill Material (Storm Sewers, Sanitary Sewers, and Water Mains)
- 2.05 Class III Backfill Material (Storm Sewers, Sanitary Sewers, and Water Mains)
- 2.06 Class IVA Backfill Material (Storm Sewers, Sanitary Sewers, and Water Mains)
- 2.07 Class IVB Backfill Material (Storm Sewers, Sanitary Sewers, and Water Mains)
- 2.08 Class V Backfill Material (Topsoil)
- 2.09 Bedding and Backfill Materials for Pipe Culverts
- 2.10 Bedding and Backfill Materials for Subdrains
- 2.11 Special Pipe Embedment Material
- 2.12 Casing Pipe with Carrier Pipe
Part 3: Execution
- 3.01 Preparation
- 3.02 Trench Excavation
- 3.03 Rock or Unstable Soils in Trench Bottom
- 3.04 Sheeting, Shoring, and Bracing
- 3.05 Dewatering
- 3.06 Pipe Installation
- 3.07 Pipe Installation in Constructed Embankments
- 3.08 Structure Bedding
- 3.09 Structure Backfill
- 3.10 Open Cut Casing Pipe Installation
3.11 Field Quality Control
Figures
Pipe Embedment Details 3010.1
P.C. Concrete Encasement 3010.2
P.C. Concrete Arch 3010.3
Sewer Pipe Support Over Existing Utility
3010.4
Reinforced P.C. Concrete Beam Utility Line
Support 3010.5
Flowable Mortar Fill Utility Line Support
3010.6
Class A Concrete Cradle 3010.7
Bedding for Reinforced Concrete Arch Pipe
3010.8
Flowable Mortar Pipe Backfill 3010.9
Waterstop For Trenches 3010.10
Section 3020: Trenchless Construction
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 for Payment
Part 2: Products
- 2.01 Carrier Pipe
- 2.02 Casing Pipe
- 2.03 Casing Spacers
- 2.04 Backfill For Abandoned Tunnels
2.05 Casing End Seal
Part 3: Execution
- 3.01 Preparation
- 3.02 Excavation
3.03 Sheeting, Shoring, and Bracing
3.04 Dewatering
3.05 Trenchless Installation
3.06 Field Quality Control
Page last revised: November 9, 2007
