Leave no doubt and enjoy peace of mind.
With high-risk tasks, heavy machinery, and tight deadlines, there’s no room for impairment on-site. Regular drug and alcohol testing isn’t just a box to tick — it’s one of the most effective ways to reduce incidents, prevent costly downtime, and protect the people who keep your projects moving.
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Construction industry D&A testing - Frequently asked questions
Is drug and alcohol testing mandatory in the construction industry?
Is drug and alcohol testing mandatory in the construction industry?
While not federally mandated in all cases, many construction companies implement drug and alcohol testing to meet WHS obligations under the Model WHS Laws and industry codes. It’s considered best practice to reduce risks on high-hazard work sites.
When should workers be tested on a construction site?
When should workers be tested on a construction site?
Testing is commonly conducted:
- Before site entry or shift start (pre-start)
- Randomly during operations (random drug testing)
- After a workplace incident or near miss
- If impairment is suspected
- Before returning to work after leave or rehab
What types of drug tests are used in construction?
What types of drug tests are used in construction?
Most construction sites use:
Saliva drug tests – Detect recent drug use, ideal for on-site random testing
Urine drug tests – Provide a longer detection window for scheduled screening
Breathalysers – Check blood alcohol concentration (BAC) quickly and accurately
What substances are typically screened for?
What substances are typically screened for?
Construction drug and alcohol testing commonly targets:
- AMP – Amphetamines
- COC – Cocaine
- MET – Methamphetamines
- OPI – Opiates
- THC – Tetrahydrocannabinol (Cannabis)
- BZO – Benzodiazepines
- OXY – Oxycodone
- K2 – Synthetic Cannabinoids (e.g. "Spice")
- Alcohol – Ethanol (via breath testing)
What happens if a worker refuses a drug or alcohol test?
What happens if a worker refuses a drug or alcohol test?
Refusal to undergo testing can be treated as a breach of company policy and may result in disciplinary action or removal from site — especially where zero-tolerance rules apply. This should be clearly outlined in your workplace D&A policy.
Can Andatech help us implement a compliant testing program?
Can Andatech help us implement a compliant testing program?
Yes — Andatech supplies Australian Standards-certified breathalysers and drug test kits for construction sites, and offers expert support to help businesses roll out effective and compliant testing procedures.
Book a free consultation with us to get started on your alcohol and drug testing program!
