31 01 10 Maintenance of Clearing

31 01 20 Maintenance of Earth Moving

31 01 40 Maintenance of Shoring and Underpinning

31 01 50 Maintenance of Excavation Support and Protection

31 01 60 Maintenance of Special Foundations and Load Bearing Elements

31 01 62 Maintenance of Driven Piles

31 01 62.61 Driven Pile Repairs

31 01 63 Maintenance of Bored and Augered Piles

31 01 63.61 Bored and Augered Pile Repairs

31 01 70 Maintenance of Tunneling and Mining

31 01 70.61 Tunnel Leak Repairs

31 05 13 Soils for Earthwork

31 05 16 Aggregates for Earthwork

31 05 19 Geosynthetics for Earthwork

31 05 19.13 Geotextiles for Earthwork

31 05 19.16 Geomembranes for Earthwork

31 05 19.19 Geogrids for Earthwork

31 05 23 Cement and Concrete for Earthwork

31 06 10 Schedules for Clearing

31 06 20 Schedules for Earth Moving

31 06 20.13 Trench Dimension Schedule

31 06 20.16 Backfill Material Schedule

31 06 40 Schedules for Shoring and Underpinning

31 06 50 Schedules for Excavation Support and Protection

31 06 60 Schedules for Special Foundations and Load Bearing Elements

31 06 60.13 Driven Pile Schedule

31 06 60.16 Caisson Schedule

31 06 70 Schedules for Tunneling and Mining

31 09 13 Geotechnical Instrumentation and Monitoring

31 09 13.13 Groundwater Monitoring During Construction

31 09 16 Special Foundation and Load Bearing Elements Instrumentation and Monitoring

31 09 16.13 Foundation Performance Instrumentation

31 09 16.23 Driven Pile Load Tests

31 09 16.26 Bored and Augered Pile Load Tests

31 13 13 Selective Tree and Shrub Removal

31 13 16 Selective Tree and Shrub Trimming

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31 14 13 Soil Stripping and Stockpiling

31 14 13.13 Soil Stripping

31 14 13.16 Soil Stockpiling

31 14 13.23 Topsoil Stripping and Stockpiling

31 14 16 Sod Stripping and Stockpiling

31 14 16.13 Sod Stripping

31 14 16.16 Sod Stockpiling

31 21 13 Radon Mitigation

31 21 13.13 Radon Venting

31 21 16 Methane Mitigation

31 21 16.13 Methane Venting

31 22 13 Rough Grading

31 22 16 Fine Grading

31 22 16.13 Roadway Subgrade Reshaping

31 22 19 Finish Grading

31 22 19.13 Spreading and Grading Topsoil

31 23 13 Subgrade Preparation

31 23 16 Excavation

31 23 16.13 Trenching

31 23 16.16 Structural Excavation for Minor Structures

31 23 16.26 Rock Removal

31 23 19 Dewatering

31 23 23 Fill

31 23 23.13 Backfill

31 23 23.23 Compaction

31 23 23.33 Flowable Fill

31 23 23.43 Geofoam

31 23 33 Trenching and Backfilling

31 24 13 Roadway Embankments

31 24 16 Railway Embankments

31 25 13 Erosion Controls

31 25 23 Rock Barriers

31 25 53 Sedimentation Controls

31 25 63 Rock Basins

31 31 13 Rodent Control

31 31 13.16 Rodent Control Bait Systems

31 31 13.19 Rodent Control Traps

31 31 13.23 Rodent Control Electronic Syste ms

31 31 13.26 Rodent Control Repellants

31 31 16 Termite Control

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31 31 16.13 Chemical Termite Control

31 31 16.16 Termite Control Bait Systems

31 31 16.19 Termite Control Barriers

31 31 19 Vegetation Control

31 31 19.13 Chemical Vegetation Control

31 32 13 Soil Mixing Stabilization

31 32 13.13 Asphalt Soil Stabilization

31 32 13.16 Cement Soil Stabilization

31 32 13.19 Lime Soil Stabilization

31 32 13.23 Fly-Ash Soil Stabilization

31 32 13.26 Lime-Fly-Ash Soil Stabilization

31 32 16 Chemical Treatment Soil Stabilization

31 32 16.13 Polymer Emulsion Soil Stabilization

31 32 19 Geosynthetic Soil Stabilization and Layer Separation

31 32 19.13 Geogrid Soil Stabilization

31 32 19.16 Geotextile Soil Stabilization

31 32 19.19 Geogrid Layer Separation

31 32 19.23 Geotextile Layer Separation

31 32 23 Pressure Grouting Soil Stabilization

31 32 23.13 Cementitious Pressure Grouting Soil Stabilization

31 32 23.16 Chemical Pressure Grouting Soil Stabilization

31 32 33 Shotcrete Soil Slope Stabilization

31 32 36 Soil Nailing

31 32 36.13 Driven Soil Nailing

31 32 36.16 Grouted Soil Nailing

31 32 36.19 Corrosion-Protected Soil Nailing

31 32 36.23 Jet-Grouted Soil Nailing

31 32 36.26 Launched Soil Nailing

31 33 13 Rock Bolting and Grouting

31 33 23 Rock Slope Netting

31 33 26 Rock Slope Wire Mesh

31 33 33 Shotcrete Rock Slope Stabilization

31 33 43 Vegetated Rock Slope Stabilization

31 34 19 Geosynthetic Soil Reinforcement

31 34 19.13 Geogrid Soil Reinforcement

31 34 19.16 Geotextile Soil Reinforcement

31 34 23 Fiber Soil Reinforcement

31 34 23.13 Geosynthetic Fiber Soil Reinforcement

31 35 19 Geosynthetic Slope Protection

31 35 19.13 Geogrid Slope Protection

31 35 19.16 Geotextile Slope Protection

31 35 19.19 Slope Protection with Mulch Control Netting

31 35 23 Slope Protection with Slope Paving

31 35 23.13 Cast-In-Place Concrete Slope Paving

31 35 23.16 Precast Concrete Slope Paving

31 35 23.19 Concrete Unit Masonry Slope Paving

31 35 26 Containment Barriers

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31 35 26.13 Clay Containment Barriers

31 35 26.16 Geomembrane Containment Barriers

31 35 26.23 Bentonite Slurry Trench

31 36 13 Gabion Boxes

31 36 19 Gabion Mattresses

31 36 19.13 Vegetated Gabion Mattresses

31 37 13 Machined Riprap

31 37 16 Non-Machined Riprap

31 37 16.13 Rubble-Stone Riprap

31 37 16.16 Concrete Unit Masonry Riprap

31 37 16.19 Sacked Sand-Cement Riprap

31 41 13 Timber Shoring

31 41 16 Sheet Piling

31 41 16.13 Steel Sheet Piling

31 41 16.16 Plastic Sheet Piling

31 41 19 Metal Hydraulic Shoring

31 41 19.13 Aluminum Hydraulic Shoring

31 41 23 Pneumatic Shoring

31 41 33 Trench Shielding

31 43 13 Pressure Grouting

31 43 13.13 Concrete Pressure Grouting

31 43 13.16 Polyurethane Pressure Grouting

31 43 16 Compaction Grouting

31 43 19 Mechanical Jacking

31 45 13 Vibroflotation

31 45 16 Densification

31 46 13 Cantilever Needle Beams

31 48 13 Underpinning Piers

31 48 19 Bracket Piers

31 48 23 Jacked Piers

31 48 33 Micropile Underpinning

31 51 13 Excavation Soil Anchors

31 51 16 Excavation Rock Anchors

31 52 13 Sheet Piling Cofferdams

31 52 16 Timber Cofferdams

31 52 19 Precast Concrete Cofferdams

31 53 13 Timber Cribwork

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31 56 13 Bentonite Slurry Walls

31 56 13.13 Soil-Bentonite Slurry Walls

31 56 13.16 Cement-Bentonite Slurry Walls

31 56 13.19 Slag-Cement-Bentonite Slurry Walls

31 56 13.23 Soil-Cement-Bentonite Slurry Walls

31 56 13.26 Pozzolan-Bentonite Slurry Walls

31 56 13.29 Organically-Modified Bentonite Slurry Walls

31 56 16 Attipulgite Slurry Walls

31 56 16.13 Soil-Attipulgite Slurry Walls

31 56 19 Slurry-Geomembrane Composite Slurry Walls

31 56 23 Lean Concrete Slurry Walls

31 56 26 Bio-Polymer Trench Drain

31 62 13 Concrete Piles

31 62 13.13 Cast- in-Place Concrete Piles

31 62 13.16 Concrete Displacement Piles

31 62 13.19 Precast Concrete Piles

31 62 13.23 Prestressed Concrete Piles

31 62 13.26 Pressure-Injected Footings

31 62 16 Steel Piles

31 62 16.13 Sheet Steel Piles

31 62 16.16 Steel H Piles

31 62 16.19 Unfilled Tubular Steel Piles

31 62 19 Timber Piles

31 62 23 Composite Piles

31 62 23.13 Concrete-Filled Steel Piles

31 62 23.16 Wood and Cast-In-Place Concrete Piles

31 63 13 Bored and Augered Test Piles

31 63 16 Auger Cast Grout Piles

31 63 19 Bored and Socketed Piles

31 63 19.13 Rock Sockets for Piles

31 63 23 Bored Concrete Piles

31 63 23.13 Bored and Belled Concrete Piles

31 63 23.16 Bored Friction Concrete Piles

31 63 26 Drilled Caissons

31 63 26.13 Fixed End Caisson Piles

31 63 26.16 Concrete Caissons for Marine Construction

31 63 29 Drilled Concrete Piers and Shafts

31 63 29.13 Uncased Drilled Concrete Piers

31 63 29.16 Cased Drilled Concrete Piers

31 63 33 Drilled Micropiles

31 64 13 Box Caissons

31 64 16 Excavated Caissons

31 64 19 Floating Caissons

31 64 23 Open Caissons

31 64 26 Pneumatic Caissons

31 64 29 Sheeted Caissons

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31 66 13 Special Piles

31 66 16 Special Foundation Walls

31 66 16.13 Anchored Foundation Walls

31 66 16.23 Concrete Cribbing Foundation Walls

31 66 16.26 Metal Cribbing Foundation Walls

31 66 16.33 Manufactured Modular Foundation Walls

31 66 16.43 Mechanically Stabilized Earth Foundation Walls

31 66 16.46 Slurry Diaphragm Foundation Walls

31 66 16.53 Soldier-Beam Foundation Walls

31 66 16.56 Permanently-Anchored Soldier-Beam Foundation Walls

31 66 19 Refrigerated Foundations

31 68 13 Rock Foundation Anchors

31 71 13 Shield Driving Tunnel Excavation

31 71 16 Tunnel Excavation by Drilling and Blasting

31 71 19 Tunnel Excavation by Tunnel Boring Machine

31 72 13 Rock Reinforcement and Initial Support

31 72 16 Steel Ribs and Lagging

31 73 13 Cement Tunnel Grouting

31 73 16 Chemical Tunnel Grouting

31 74 13 Cast-in-Place Concrete Tunnel Lining

31 74 16 Precast Concrete Tunnel Lining

31 74 19 Shotcrete Tunnel Lining

31 75 13 Cast-in-Place Concrete Shaft Lining

31 75 16 Precast Concrete Shaft Lining

31 77 13 Trench Excavation for Submerged Tunnels

31 77 16 Tube Construction (Outfitting Tunnel Tubes)

31 77 19 Floating and Laying Submerged Tunnels

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