Geotechnical

Earthworks & excavation

• 🇳🇿Earthworks and Geotechnical Quality Standard — Section 2Auckland Transport · April 1993Section 2 (Geotechnical) of the legacy Manukau City engineering quality standards (now Auckland Transport) — minimum geotechnical requirements for site investigation, slope stability, earthworks and settlement in land development.
• 🇳🇿Earthworks Construction — Planning and Design (Forestry)NZ Forest Owners Association · January 2020A NZ Forest Owners Association forest practice guide on planning and designing forestry earthworks (roads and landings) to minimise erosion and sediment on erosion-prone terrain.
• 🇳🇿Earthworks Construction Specification (NZTA)NZ Transport Agency (Waka Kotahi)Waka Kotahi's earthworks construction specification (TNZ F/1) — the requirements for constructing earthworks (excavation, fill and compaction) on state highway projects.
• 🇳🇿Engineering Standards Manual — Section 2: EarthworksAuckland Transport · February 2005Section 2 (Earthworks) of the Auckland Transport engineering standards manual — performance criteria, investigation, compaction and construction requirements for earthworks in land development.
• 🇳🇿Excavation Safety — Good Practice Guidelines (WorkSafe)WorkSafe New Zealand · JULY 2016WorkSafe good-practice guidelines for excavation safety — how to manage the health and safety risks of excavation work, including trench collapse, under the Health and Safety at Work Act.
• 🇳🇿Geotechnical Earthworks Technical Specification (ACS510)Auckland Council · March 2023Auckland Council's technical specification (ACS510) for geotechnical earthworks — site management, material classification and earthworks requirements for infrastructure vested in the Council.
• 🇳🇿Notes on Earthworks Construction Specification (TNZ F/1)NZ Transport Agency (Waka Kotahi)Waka Kotahi's explanatory notes to its earthworks construction specification (TNZ F/1) — commentary on the earthworks specification requirements.
• 🇳🇿NZGS Specification for EarthworksNZ Geotechnical Society (NZGS) · August 2022The NZGS earthworks specification (NZGS_0510) — a national standard specification for geotechnical earthworks.
• 🇳🇿Small Diameter Tunnels and PipejackingMinEx · October 2017A NZ Tunnelling Society reference guide (with WorkSafe and MinEx) on small-diameter tunnels and pipejacks — good practice for planning, designing and constructing works up to 3 m diameter, with a health-and-safety focus.
• 🇳🇿Working in Excavations — Key Requirements (Watercare)Watercare · May 2017A Watercare guide to the key requirements for working safely in excavations — responsibilities, planning, hazardous conditions and utility services for excavation work.