Trenchless Methods - Chart and Descriptions

Allied Techniques

Conventional Tunneling
Drill and Blast
Mini-trench / Micro-trench
Mole Ploughing
Other Technologies
Reduced Surface Disturbance
Soft-ground Shield
Soil/Rock TBM

Trenchless Methods

Alignment / Guidance
Auger
Auger Boring
Bent Sub
Conveyor
Curved / Gyroscopic
Direct Steerable Pipe Thrusting (DSPT)
Drilling/Steering Mechanism
Earth-Pressure Balance (EPB)
Face Support
Guidance
Horizontal Directional Drilling (HDD)
Hybrid Methods
Impact Moling
Maxi-HDD
Method scale
Midi-HDD
Mini-HDD
Muck Cart
Non-Person-Entry
Other
Person-Entry
Pilot Tube
Pipe Jacking / Microtunnelling
Pipe Ramming
Ram-assist Technologies
Ramming / Impact
Size
Slant-face drill bit
Slurry
Sonde
Spoil Handling
Straight / Laser
Wireless
Wireline

Replacement

Assist Techniques
Continuous Pipe
Existing Pipe Displaced
Existing Pipe Removed
Expander / Hammer Configuration
Fully-independent Rehabilitation
Pipe Bursting
Pipe Eating
Pipe Extraction
Pipe Fracture Mechanism
Pipe Reaming
Pipe Splitting
Pneumatic / Hydraulic Hammer
Replacement Slip Lining
Static Pull
With Pipe Segments
Within Existing Pipe

Renovation / Repair

Cement / Mortar Lining
Close-fit Lining
Cured-in-place Lining (CIPP)
Flood Grouting
Inserted Liner
Inserted Seals
Joint Grouting
Loose-fit or Close-fit Lining
Non-structural (Sealing)
Other Close-fit Lining
Panel Lining
Polymeric Coating / Lining
Potholing for Local Repair
Renovation
Repair
Robotic Spot Repair
Short Liner / Connection Liner
Structural
Surface-applied Lining
Troweled or Sprayed Structural Lining

Site Investigation

Asset Environment
Asset Location
Asset Tracing
Depth / Elevation
Electrical Tomography
Electromagnetic Environment
Geochemical Survey
Geophysical Survey
Ground Investigation
Ground Penetrating Radar (GPR)
Groundwater Monitoring
Impressed Signal Techniques
Infrared Scanning
Internal Survey Techniques
Other Methods
Potholing
Precise Coordinates
Quality
Resistivity Measurements
Seismic / Sonar Techniques
Smoke and Dye
Soil Sampling
Sonde Techniques
Surface-based Techniques
Thermal Environment

Asset Condition

Aboveground Surveys
Acoustic Methods
Acoustic Sensors
Adhesive-backed hose
CCTV
Composition
Continuous Pipe
Crawler Platform
Curing Process
Deployment Methods
Discrete Stress-Strain Sensors
Drone
Electromagnetic Methods
Epoxy & Polyurethane Linings
External Void Detection
Fiber Optic Sensors
Float / Submersible
Flow Quality (Chemical / Biological)
Flow Quantity Monitoring
Grout-in-place Sheet Lining
In-pipe Camera Observation
In-pipe GPR
In-pipe or In-Ground Sample Excavation
Infiltration / Inflow (Gravity Pipes)
Inserted Hose
Inserted Hoses
Inserted Pipe
Insertion Process
Inspection Application
Investigation / Assessment
Laser / LIDAR
Lateral / Small Pipe Inspection
Leak Detection
Leak Detection (Pressure Pipes)
Leak Signature Detection
Localized Sealing
Mainline Pipe / Tunnel Inspection
Manhole / Chamber Inspection
Mechanical
Microtunneled Pilot Thrusting
Microtunneling
Non-adhered hose
Nozzle Camera
Nuclear Methods
Operational Performance Assessment
Overflow Detection
Polyurethane Lining
Preliminary Inspection
Pressure Monitoring and Detection
Push-Pull Satellite Camera
Rehabilitation
Reinforcement
Renovation Slip Lining
Sliplining
Sonar (for Location)
Spiral-Wound
Spoil Handling Slurry
Structural Condition Assessment
Structural Response Sensors
System Flow Monitoring
Techniques
Thermal
Thermal-Mechanical
Ultrasound Methods
Valves, Safety Equip, Appurtenances
Visual/Laser Inspection
Wall Condition / Thickness
Wall Impact Methods
Wide Trench
With Pipe Segments
Woven Hose Lining Epoxy Bonded
Zoom Camera