Our Services
We are able to provide geotechnical engineering services to a wide range of industries, but specialise in the following services:
Land Assessments & Ground Investigations
- Site assessments, including early identification and mitigation of geotechnical hazards
- Engineering geological assessments, including landslide and rockfall mapping
- Site investigation scoping, planning and management
- Horizontal-Vertical Spectral Ratio (HVSR) assessments to determine fundamental site period in accordance with NZS1170.5
Analysis & Design
- Liquefaction analysis and remediation design
- Geotechnically lead design of shallow and deep foundations
- Seismic assessment of buildings and infrastructure
- Retaining wall design, slope stability analysis and remediation design
- Geotechnical peer reviews (PS2)
- Design of flood protection and erosion control
- Ground improvement investigation and design
- Long term embankment settlement
- Road pavement and rail formation engineering
- Principles and execution of safety in design
Construction Monitoring
- Pre-construction contractor and tender evaluation
- Earthworks specification, construction certification and reporting
- Temporary works design including temporary cuts, piling rig and crane platforms
- Construction observation (PS4), testing and certification
Temporary Works
- Piling rig and crane platform designs
- Sheet piling and thrust block for pipelines and pump stations
- Geotechnical inputs to trenchless technologies such as directional drilling and pipe bursting
- Temporary cut stability analyses
- Assessing effects of dewatering such as ground settlement and potential for damage to assets nearby
- Facilitation of Client/ Contractor risk workshops
Geotechnical Earthquake Engineering
- Horizontal to Vertical Spectral Ratio (HVSR)
- Deterministic Seismic Hazard Assessments
- Probabilistic Seismic Hazard Assessments
- Time History Analysis using spectral matching
- Seismic Ground Response Analysis
- Dynamic soil-structure interaction using advanced modelling tools
Like the rock, Torlesse was established to be the backbone of your engineering project. We seek to investigate, assess, and report on the geotechnical engineering challenges associated with your project in a clear and concise manner, all the while providing a nimble and flexible service to suit your needs.