Utility Tech Bulletin

Table of Contents

Click on the links below to read more.

INTRODUCTION

The Case for Soft Excavation

A Brief History

Highlighting Differences Between Dry and Hydro Excavation

Utility AirSpade Innovations and Features

Utility AirSpade Safety Features

Hazards & Hidden Costs of Home-Made Tools

STANDARD PROCEDURES

Pre-Excavation Checklist

Underground Utilities – A Crowded Picture

– Trenching

– Potholing

– Keyholing

Safe Practices When Excavating Around Utilities

ADDITIONAL CONSIDERATIONS

Air Compressor Basics

Air Hose Basics

APPENDIX

A – 811 Support

B – Soil Characteristics

C – Color Code for Marking Underground Utility Lines

D – Utility AirSpade Technical Specifations

E – Further Reading

F – Online Resources

Glossary

Contributors and Bios

AirSpade Technical Applications Bulletin

Use of Compressed Air-powered Excavation for Arboricultural Site Works

Download a PDF of the Arbor Tech Bulletin