Wombat Sweepers mascot arrives with a clipboard, stepping off a ride-on sweeper at the entrance of a commercial site, ready to start

Buyer’s guide

Sweeping contract checklist

Fifteen questions, in the order worth asking them. Use it on us as readily as on anyone else — a contractor who cannot answer these has not done the work.

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In short

Before signing a commercial sweeping contract, confirm five things in writing: which machine class is attending, how many machine hours are allowed, whether travel and disposal are separate line items, what dust control the machine carries, and whether operators are site-inducted with current public liability and workers compensation cover. Those answers explain most differences between quotes.

Written by Mark Scull, founder of Wombat Sweepers · Published 16 September 2026 · Last updated 19 October 2026

Contract checklist

The checklist

Which machine class is coming?

Machine class, sweeping width and hopper capacity — in writing. A cheaper quote with a smaller machine is not a cheaper job, it is a different job.
How many machine hours are allowed?

A fixed price built on two hours is a different product to one built on four. Ask what happens if the job runs over, before it does.
Is disposal included, and where does the material go?

It should be its own line on the quote. Ask which facility takes it — captured material is a waste stream, not a mystery.
Is travel shown separately?

If travel is buried in the hourly rate you cannot compare two quotes. Ask for it as a line.
What dust control does the machine have?

Water suppression and panel/pocket filtration. On construction and industrial sites this is the specification that matters most, and the one least often asked.
Who operates it, and are they inducted?

Named operator or a rotating pool? Inducted to your site before the first visit, or on the day? Both answers change your risk.
Can I see certificates of currency?

Public liability and workers compensation, current, in your name as an interested party where required. Ask before the first visit, not after an incident.
Is there a safe work method statement for this task?

On a construction or industrial site you will need one on file. A contractor who cannot produce one has not done this kind of work.
What happens if the site is not accessible on the day?

Call-out charges are legitimate; surprise call-out charges are not. Get the policy in writing.
What is the wet-weather policy?

Damp is fine, saturated mud is not. A contractor who will sweep mud in the rain and invoice you for it is telling you something.
How is the cycle reviewed?

A good contractor tunes frequency after the first few runs. A cycle that never changes was set by a spreadsheet, not by your site.
Will I get a record of what was done?

Runs completed, dates, hours, disposal. Essential if your site has an ESCP or a client audit.
What is the notice period to change or cancel?

Both ways. Look for symmetry.
Who do I ring when something goes wrong?

A name and a number, not a generic inbox. On an overnight job it matters at 2am.
Is the price locked, and for how long?

Fuel and disposal move. Ask when and how the rate is reviewed rather than discovering it on an invoice.

Contract checklist

The three that matter most

Machine class

Everything else follows from it — coverage rate, dust control, hopper capacity and the hourly rate.

Allowed hours

The single most common hidden difference between two quotes that look 30% apart.

Disposal

Captured material has to go somewhere that charges to take it. If it is not a line, ask where it is.

Contract checklist

Checklist questions

Something else? Call 1300 387 713 and talk to someone who runs the machines.

Trading since 2003 Commercial & civil only Trained, inducted operators Insurance docs on request Depot at Cornubia QLD

What should I ask a sweeping contractor before signing?

Which machine class is coming, how many hours are allowed, whether disposal and travel are separate lines, what dust control the machine has, and whether operators are inducted with current insurances. Those five answers explain most price differences between quotes.

How do I compare two sweeping quotes that are far apart?

They are almost always quoting different machines or different hour allowances. Ask both for machine class and allowed hours in writing and the gap usually explains itself.

Should a sweeping contract include a review?

Yes. Frequency should be tuned after the first few runs based on what actually comes off the surface — too infrequent leaves grit within days, too frequent means half-empty hoppers you are paying for.