Commercial Pressure Cleaning Services QLD 2026 - Get Quotes

Trade Waste and Where Commercial Wash Water Can Go

This is the largest single difference between commercial and domestic exterior cleaning, and businesses arranging the work for the first time routinely underestimate it. Trade waste, meaning liquid waste generated by a business activity and discharged to sewer, is handled under its own regime separate from ordinary household wastewater, because the composition and the volumes differ. Washing down a forecourt, a carpark, a loading dock, a bin bay or plant and equipment counts as a business activity, which places the resulting water in that category regardless of how clean it appears. Appearance has nothing to do with the classification.

The two possible destinations behave very differently and confusing them causes most of the trouble. Stormwater drains run untreated to creeks, rivers and the ocean, so nothing beyond clean rainwater belongs in them, and that position applies identically to a business and a household. Sewer flows to a treatment plant and can receive contaminated water, which makes it the correct destination for commercial wash water and exactly why access to it is controlled. Controlling what enters the system is precisely what the agreement exists to do.

Discharging to sewer requires authorisation rather than proximity. The relevant authority depends on where the site sits, with South East Queensland served by distributor retailers including Urban Utilities and Unitywater while regional areas are served by their local government, and the arrangement is an agreement covering what may go in, in what volume and with what pre treatment. Lifting a grate and pointing a hose into it is not compliance, and a contractor suggesting it is creating an exposure for the business that engaged them. Put the question to the contractor before anybody starts work.

Pre treatment frequently forms part of the agreement and it means actual equipment. Depending on the contamination that can involve a silt trap, an oil water separator, a grease arrestor or filtration before anything enters the sewer, and a contractor working carparks and forecourts regularly carries vacuum recovery and filtration as standard kit. Where a site already has an installed separator, correct disposal may be as simple as directing water to the right point, which is worth establishing before work starts. A site walk usually answers it in minutes.

Liability for water pollution attaches to whoever causes or permits it, and that detail deserves attention from businesses. Responsibility does not rest solely with the contractor holding the hose, so a business that engaged an operator who sent contaminated water into a stormwater pit carries exposure of its own. Environmental regulation sits with the Queensland environment department, with general guidance published through the Queensland Government. A written answer is worth having where the site is significant.

Three short questions sort contractors quickly at the quoting stage. Ask how the water will be captured, where it is going and under what authorisation, and request the relevant paperwork where the site produces meaningful contamination. Somebody who works commercial sites regularly answers all three without pausing, while somebody treating the question as unusual has revealed where they normally work. The replies are more informative than any brochure.

Keeping a record protects the business afterwards. Filing the contractor's disposal documentation alongside the invoice establishes that the water was handled properly, which matters if a neighbouring business or a member of the public reports discoloured water entering a pit and the source is traced back to your forecourt. The paperwork belongs on file with the site maintenance records.

Bodies Corporate and Who Authorises the Work

Queensland community titles schemes are among the largest buyers of exterior cleaning in the state, and the authorisation question catches individual owners and new committee members alike. External walls, roofs, common driveways, shared paths, stairwells, foyers, carparks, bin areas and pool surrounds in a scheme are generally common property maintained by the body corporate, which makes cleaning them a scheme expense decided through the scheme instead of by any individual lot owner. An owner arranging the work privately usually cannot recover what they spent. Establishing who is responsible before engaging anyone avoids that outcome.

Getting work approved depends on the amount involved and how the scheme operates. Routine maintenance within the approved budget is typically arranged by the committee or the body corporate manager without a general meeting, while larger projects may require a decision at a general meeting and sometimes a special levy. Starting with the body corporate manager is the efficient route, and related common property work sits with strata and body corporate painting. The manager will know what level of approval applies.

Lot boundaries matter and rarely sit where owners assume. Courtyards, balconies and exclusive use parking areas forming part of a lot are generally the owner's responsibility, though even those can carry by law conditions about what may be used and when work may proceed, and the wall behind a courtyard is typically still common property. Checking the by laws before committing to anything heads off a difficult discussion afterwards. The surface of a courtyard and the wall behind it often fall on opposite sides of the boundary.

There is a risk argument alongside the appearance one and committees generally find it more persuasive. Moss and algae on a shaded common path, a slippery stairwell entry or an oily carpark ramp create a genuine slip hazard for residents and visitors, and Queensland humidity brings that growth back faster than in cooler states. Regular cleaning with dated invoices forms a record of reasonable maintenance, which frequently moves a proposal from deferred to approved. Safety arguments carry further than presentation ones. A committee weighing cleaning against roofing and fire compliance responds to duty of care in a way it does not respond to appearance. Framing the proposal that way is what gets it approved.

Scheduling inside an occupied building needs more planning than an empty commercial site. Notice has to reach residents, an alternative route is needed before any shared driveway closes, upper level access may depend on booking a lift, and noise limits in a residential building differ from those in a centre. A contractor experienced in body corporate work raises all of that unprompted. Ask whether they have worked in the building before.

Schemes get the most out of their budget by combining common area work into a single attendance. Cleaning the driveway, the paths, the bin bay, the common walls and the gutters in a single mobilisation costs considerably less than four separate attendances, with plumbing scope at strata and body corporate plumbing and gutter work at gutter cleaning. Four areas in one visit costs far less than four separate visits.

Carparks, Forecourts, Loading Docks and Bin Bays

Four commercial surfaces generate most of the work in this state and each carries its own contamination profile. A retail or office carpark accumulates hydrocarbons from parked vehicles, rubber from tyres, litter residue and organic growth in corners that see no traffic, and the oil load dictates the disposal method. A carpark untouched for years holds a genuine quantity of petroleum residue that cannot be rinsed anywhere uncontrolled. Recovery by vacuum is the norm for that kind of job. The volume lifted off a full deck is considerably more than most clients anticipate, and holding tanks on the truck are what make compliant disposal possible. None of that gear travels on a domestic job.

Basement and multi level decks introduce questions about airflow and where the water drains. Exhaust residue settles on walls and ceilings as well as the slab in an enclosed level, drainage empties into a sump that may lack a separator, and confined conditions impose their own rules about ventilation and machine fumes. Petrol powered machines in a basement create a carbon monoxide hazard instead of a convenience. Running electric plant or forcing ventilation through the space deals with that.

Loading docks carry the heaviest and most varied contamination on most sites, and Queensland heat makes them worse. Grease and food waste from delivery vehicles, hydraulic oil from tailgates, spilled product and residue from bins staged for collection all accumulate in a confined area with poor drainage, and in subtropical temperatures the odour develops far faster than it would further south. These need degreasing with the product left on the surface long enough to work, which the trade calls dwell time, instead of pressure alone, and capture is not optional. Heat does more for grease than pressure ever will. Steam and hot water break down what a cold jet simply spreads across the surface.

Long before a bin bay looks bad it has become a smell and vermin issue. Leachate from waste bins pools under and behind them, feeds flies and vermin and produces odour complaints that reach the manager, and washing the bay on a schedule addresses the cause instead of the symptom. Queensland warmth accelerates every part of that cycle, with treatment scope at commercial pest control. Putting the bay on a cycle tackles the source instead of the result.

Service station forecourts are a specialised case with infrastructure already in place. These sites generally have an oil water separator installed as part of their approval, which simplifies disposal considerably provided cleaning is directed to it correctly, and fuel residue means both the chemistry and the capture need to suit hydrocarbons. A functioning separator is worth confirming before work starts.

Line marking is the item that gets damaged and forgotten during scoping. Painted bays, directional arrows, accessible parking symbols and hatched exclusion areas all wear under aggressive cleaning, so a carpark clean that strips the markings creates a compliance problem and a repainting cost. Flagging it in advance means the contractor can ease off around the markings, and repainting sits with commercial painting. Where markings have already faded, repainting is probably overdue regardless.

Fire Ant Biosecurity Zones

This is a Queensland obligation with no equivalent in most other states, and commercial sites across South East Queensland sit squarely inside it. Red imported fire ants are a declared biosecurity threat subject to a long running eradication program, and a substantial area covering Brisbane, Logan, Ipswich, Moreton Bay, Redlands, the Gold Coast, the Sunshine Coast and parts of the Lockyer and Scenic Rim falls within movement restricted zones. Businesses operating in those areas carry obligations whether or not anyone has mentioned them. Zone boundaries shift as the program advances. A site outside a restricted area last year may sit inside one now, so the status is worth rechecking rather than assuming.

The restrictions concern moving materials that could carry the ants rather than cleaning as such. Soil, mulch, turf, potted plants, hay, quarry products and organic material cannot simply be moved out of a restricted area without meeting the conditions that apply, and construction and landscaping waste falls into the same picture. Where a pressure cleaning job involves clearing accumulated soil, mulch or organic build up from a carpark, garden bed edge or landscaped area and taking it off site, that movement is the part carrying the obligation. It is the movement of material off site that triggers the restriction, not the washing.

Businesses hold a general biosecurity obligation and that framing matters. Anyone dealing with a biosecurity matter is expected to take reasonable and practical steps to minimise the risk, which means a commercial operator working in a restricted area should know the zone status of the site and handle material accordingly rather than treating it as somebody else's problem. Ignorance of the zone is not a defence a business would want to rely on. Checking the status of each site takes minutes.

The practical effect on a cleaning contract is usually modest and worth confirming anyway. Most pressure cleaning produces wash water and surface debris instead of quantities of soil, so the obligation frequently sits dormant, though a job that includes clearing a garden bed edge, a landscaped verge or years of accumulated organic matter changes that. Grounds maintenance scope sits with lawn mowing and garden maintenance. Landscaped areas are where the question usually arises.

Nests turning up during a job need reporting instead of disturbing. Fire ant nests appear as loose mounds of soil with no visible entry hole, frequently in disturbed ground, along carpark edges and in landscaped areas, and disturbing one spreads the colony while producing an aggressive stinging response. Treatment is a specialist activity covered at fire ant treatment. Report a suspected nest rather than dealing with it yourself.

Facility managers with multiple sites benefit most from settling this once. Establishing which of your sites sit inside a restricted zone, writing the handling requirement into the cleaning contract and making waste movement explicit removes the question from every future visit. Current zone boundaries and requirements are published by the Queensland Government, and they change as the program progresses. Writing it into the contract settles it once.

Food Premises and Hospitality Sites

Restaurants, cafes, takeaway outlets, clubs and food manufacturing sites carry obligations a general commercial property does not, and exterior cleaning intersects with them more than operators expect. Food premises in Queensland are licensed and inspected by the local government, and the areas around a kitchen including waste storage, grease arrestor surrounds and delivery access all form part of what an inspector considers. Grease and grime accumulation there is a compliance exposure rather than only an appearance issue. Inspectors look at the surrounds as closely as the kitchen.

Grease arrestor surrounds are the specific area worth putting on a schedule. Arrestors are pumped out on a cycle by a licensed waste contractor, and the hardstand around them collects spillage and residue between services that attracts pests and generates odour, so washing that area regularly complements the pump out instead of substituting for it. Wash water from that area is unambiguously trade waste. Capture and disposal there are obligations rather than precautions.

Outdoor dining has expanded across Queensland and brings its own conditions. Footpath seating, courtyards and alfresco areas accumulate food and drink spills, grease carried on foot traffic and organic growth under tables and planter boxes, and local governments frequently attach cleanliness and maintenance conditions to an outdoor dining approval. Scheduled cleaning of those areas is generally part of holding that permit. Permit conditions differ between local government areas across the state.

Timing around trading is the practical constraint for hospitality, and Queensland outdoor dining runs late. Venues are occupied through the evening and frequently into late night trade, which pushes cleaning into early morning windows, so a contractor who cannot work between two and six in the morning offers a venue very little. That timing carries a rate premium and is generally unavoidable. Venues that plan for it secure better contractors.

Chemistry needs thought around food handling areas. Products and residues acceptable on a carpark may not suit an area immediately outside a kitchen or near an air intake, so confirming what will be used and ensuring thorough rinsing is sensible. Health information for food businesses is published by Queensland Health. What will be used near air intakes and food handling areas needs confirming.

Odour is what most venues actually want resolved and it comes from drains as much as surfaces. Washing a paved area removes visible residue while the smell frequently persists in the drain, the grate surrounds and the base of the bin enclosure, which is why a proper clean addresses those points instead of only the open surface. Drainage work where a problem persists sits with plumbing services. Smell lingers longest around grates and at the base of a bin enclosure.

Hours, Access and Working Around a Live Site

Most commercial cleaning happens when a site is closed, which shapes both price and what can be achieved. Retail centres, offices, schools and clubs all want work done without disrupting trade or occupancy, pushing it to nights, early mornings, weekends and shutdown periods, and each carries a rate above ordinary business hours. Building that into the budget from the outset avoids surprise at the quote. Rates outside business hours are the industry norm, not a mark up on the day.

Noise governs how late work can run. Pressure equipment is genuinely loud, local governments across Queensland impose conditions on maintenance noise particularly near residential areas, and a site adjacent to housing may simply not be able to run machines at three in the morning. Confirming permitted hours for your specific site before scheduling saves a cancelled visit. Permitted hours differ between zones and individual sites.

Keeping the public off wet surfaces is a timetabling problem as much as a safety one. A washed floor, ramp or footpath stays slippery until dry, so work has to finish with enough margin before a site reopens, and Queensland humidity can extend that margin well beyond what an operator expects in enclosed areas with poor airflow. A contractor handing back a wet entry at opening time is creating a hazard. Drying time needs writing into the programme, not assumed.

Traffic management is a real line item wherever vehicles move. Anywhere vehicles and people move near the work, meaning decks, service roads, loading areas and public footpaths, requires separation, ranging from cones and signs on a small job to a formal plan with certified controllers on a big one. Pricing it separately is normal, and a quote omitting it on an active carpark has not accounted for it. Confirm whether the price covers controllers and signage.

Staged works keep a site operating while cleaning proceeds. Splitting a carpark into sections across several nights, doing half a loading dock at a time or working around a tenancy allows the business to keep trading, and it costs more in mobilisation than a single closure would. That trade off is worth discussing instead of assuming either way. Staged works generally suit sites that cannot close at all.

The wet season complicates scheduling across the northern half of the state. Sustained humidity and heavy afternoon rainfall interfere with drying times and can wash away product before it has worked, so contractors through the tropics generally prefer the dry season for anything sensitive, and building flexibility into the date matters more the further north the site sits. Locking a fixed date in February rarely ends well.

Safe Work Method Statements, Inductions and Insurance

Documentation is where domestic operators most often fall short on commercial work, and it is usually why a crew gets turned away at the gate. A safe work method statement sets out the high risk work being undertaken, the hazards involved and the controls applied, and most commercial clients and managing agents expect one before granting site access. For pressure cleaning that typically covers work at height where relevant, slip hazards from wet surfaces, electrical safety around water, chemical handling and separation of the public from the work. Request the statement ahead of time rather than at the gate.

Inductions are required for each site and usually for each individual. Larger properties, shopping centres, industrial facilities and construction sites each run their own induction covering emergency procedures, site rules and reporting, so a contractor sending a different crew member each visit needs every one of them inducted. That paperwork burden is one reason commercial pricing runs higher than residential. Sending the same crew each visit reduces it considerably.

Insurance limits run higher and the certificate gets checked. Public liability cover of twenty million dollars is a common requirement on commercial and body corporate work where the domestic norm sits considerably lower, and managing agents generally ask for a current certificate of currency before engagement. Workers compensation is the other cover to confirm where a contractor has employees. Look at the expiry date on any certificate you are given.

Chemical documentation is expected on any site running a safety system. Safety data sheets for the products in use, appropriate storage and handling, and a register where the site keeps one are all standard, and a contractor unable to produce a data sheet for what they are spraying becomes a problem on a site with a compliance framework. Work health and safety obligations are administered by WorkSafe Queensland. Keep data sheets available on site while the job runs.

Licensing works differently here than in most trades and deserves clarity. General exterior cleaning does not require a trade licence in Queensland, which is why documentation and insurance questions carry more weight than a licence number would, while building work above the statutory threshold does require licensing and any repairs or painting bundled with cleaning may attract it. Licence checks sit with the Queensland Building and Construction Commission. Licensing enters the picture once repairs are bundled in.

Contractor management systems are common across larger portfolios. Many managing agents and facility managers run a platform where insurance, inductions and documentation are lodged and expiry dates tracked, so a contractor already registered on whichever system your agent uses will be considerably easier to engage. Raising it at the outset avoids two weeks of onboarding later. A managing agent will usually name the platform they run.

Chewing Gum, Graffiti and Specialist Removal

Chewing gum defines the problem on any high pedestrian traffic frontage and it is a specialist task instead of part of a general wash. Gum bonds to the surface, flattens under foot traffic and oxidises into a dark grey disc that becomes part of the visual texture of a footpath or entry, and ordinary pressure washing leaves it entirely intact. Standard practice pairs steam or hot water with either a solvent or a freezing agent, running slower and carrying its own line separate from the general wash. Pressure alone presses gum further into the surface.

Gum removal is generally quoted per unit or on a density basis. A contractor counts or estimates the pieces across the area, because a shopfront entry with three hundred spots and a quiet side path with a dozen are different jobs on identical area. Providing a photograph of the worst section lets them price it properly instead of estimating high to stay safe. Counting the pieces in a single square metre produces a workable density estimate.

Graffiti work runs parallel to pressure cleaning and the substrate changes everything about it. Paint on a smooth sealed surface frequently comes away with an appropriate remover, while the same paint on porous unsealed brick or concrete has penetrated and may need repeated treatment or overpainting. Speed matters considerably, since fresh paint lifts far more readily than paint cured for weeks in Queensland sun. Prompt reporting achieves more than any particular remover.

Where a surface gets hit repeatedly, a protective coating deserves consideration. A sacrificial or permanent coating allows paint to be removed without damaging the substrate beneath and reduces the cost of each incident substantially, which changes the economics on a wall hit several times a year. Repainting after removal sits with commercial painting. On a frequently targeted wall, a coating shifts the whole cost equation.

Sensitive and heritage materials call for an entirely separate approach. Sandstone, unsealed brick, painted heritage render and decorative finishes all suffer under aggressive removal, and properties inside heritage or character overlays can carry conditions on cleaning methods, so establishing the planning position before touching the surface is the correct order. Get it wrong and a graffiti issue becomes a heritage issue. Settle the planning position before anything goes near the surface.

Recording incidents serves both insurance and local programs. Photographing graffiti with a date before removal supports any insurance position, and many Queensland local governments operate removal assistance programs for property owners particularly where the surface is visible from a public place. Waste from removal work sits with rubbish removal. Photographs carrying a date support any insurance claim made later.

Scheduled Contracts Against Ad Hoc Callouts

Most commercial sites are better served by a scheduled arrangement than by calling somebody when the place looks bad, and the arithmetic usually favours it clearly. Keep a surface on a cycle and one pass does it with no soak time, whereas three years of neglect demands product, waiting and frequently a second pass, potentially doubling hours on the same square metres. Contractors price a known recurring commitment below a one off attendance because the work is predictable and mobilisation is planned. Certainty has genuine value to a contractor. A known schedule lets crews and equipment be planned months ahead, which shows up in the rate offered. Ad hoc attendance carries the cost of that uncertainty on both sides.

Frequency should follow use and climate instead of the calendar. A busy retail entry or a food loading dock may justify monthly attention, a carpark quarterly or half yearly, and common area paths in a residential scheme annually, while Queensland humidity shortens every one of those compared with a cooler state. Setting each area on its own cycle is what keeps the annual figure sensible. Frequency is better set by use than by the calendar.

Even a standing arrangement needs the scope of each visit written down. The areas included, the frequency for each, what counts as an additional callout and how variations get priced all belong in the document, because the common failure mode is a contract reading as a general commitment and then producing arguments about whether the bin bay was in or out. Exclusions deserve naming in the document as clearly as the inclusions do.

There is still a role for reactive attendance, and pricing it ahead of time makes sense. Spills, vandalism, storm debris and incidents outside the cycle occur on any commercial site, and Queensland storm season guarantees some of them, so having an agreed response rate and timeframe with an existing contractor beats finding somebody at short notice. Settle response terms when the contract is signed.

Without reporting, a property manager cannot properly manage the contract. Photographs either side of each visit, a sign off record and observations about things like a broken bollard or blocked drain make the cleaner an extra pair of eyes on site, which most established firms supply without being asked. Images also resolve any argument about whether somebody attended.

Putting exterior services with a single contractor cuts the number of setups across a year. Pressure cleaning, gutter clearing, window cleaning and grounds maintenance all involve attending the same site, so coordinating them sensibly saves on each, with glass scope at window cleaning and broader scope at cleaning services. One mobilisation covering several services is where the saving sits.

Commercial Cleaning Across Queensland

Brisbane carries the deepest pool of contractors equipped for commercial work and the most demanding compliance environment. Managing agents running large portfolios generally require contractor management system registration, higher insurance limits and full documentation, which narrows the field to operators set up for it, and the south east is also where trade waste arrangements are most clearly defined. Managing agents running large portfolios narrow the field to contractors already set up for it.

Inner city and CBD locations bring access limitations that govern how a job gets scoped. Loading dock booking, restricted vehicle access, overnight work windows, footpath permits for anything encroaching on a public area and building management sign off all apply, and a contractor unfamiliar with those requirements will struggle regardless of cleaning ability. Previous experience in the building counts for a great deal.

The Gold Coast and Sunshine Coast carry a high concentration of body corporate work alongside retail and hospitality. High rise residential towers, resort complexes and tourism venues mean common property cleaning and out of hours scheduling dominate through those regions, and salt exposure adds a protective element to the work. Washing accumulated salt off extends the life of coatings and fixings measurably.

Townsville, Cairns and the northern centres combine commercial work with cyclone and wet season considerations. Scheduling tightens around the dry season, storm preparation raises demand at predictable points in the year, and contractors covering those regions generally plan their calendars around it. Booking ahead matters more the further north you are.

Regional centres and industrial sites have fewer contractors covering larger areas, which makes scheduling and travel the dominant considerations. Plant washdown, hardstand areas, silo and tank exteriors and mining or agricultural facilities bring contamination profiles and induction requirements that differ from retail work, and water availability on site is a genuine constraint in drier districts. What the contractor can draw from is worth confirming early.

What Commercial Work Typically Costs

Commercial pricing works on area and contamination instead of a per job figure, with the compliance layer sitting on top of the cleaning itself. A retail carpark deck is generally quoted per square metre with the rate reflecting hydrocarbon load, capture requirements and whether work runs inside or outside trading hours. A small dock or bin bay can outprice a much larger open deck once degreasing, soak time and contained disposal are factored in. Contamination drives the rate more than square metres do. Two areas of identical size can price very differently once the load on each is understood.

Out of hours work carries a premium that is standard instead of opportunistic. Overnight, early morning and weekend attendance typically sits well above ordinary business hours rates, and a venue needing work between two and six in the morning is paying for a crew working antisocial hours with identical equipment. Budgeting for it from the outset avoids surprise at tender. The premium reflects the hours rather than the work.

Mobilisation accounts for a larger share of a commercial figure than most clients expect. Vacuum recovery units, holding tanks, filtration, containment gear and traffic management all travel to site whether the job is large or small, which is why a small commercial attendance looks expensive against its square metres. Combining areas into one attendance alters that sum substantially, because the equipment arrives regardless. One attendance spreads the setup across more scope.

There are obvious reasons a standing contract prices under one off attendance. A known recurring commitment lets a contractor plan crews and equipment ahead, and a surface maintained on a cycle needs one pass where a neglected one needs treatment and two. Predictability has genuine value to a contractor pricing the work, and it shows up in the rate offered. Uncertainty costs both parties on ad hoc work.

Gum removal and graffiti are quoted separately on their own basis, gum by density and graffiti by surface and paint age. Both deserve pricing separately at tender instead of folding into a square metre rate, and indicative figures for the underlying cleaning work sit on our pressure cleaning guide. Density and paint age are the variables that matter.

What to Look Out For

Ask where the wastewater is going before comparing any prices. Commercial wash water is trade waste, discharging it to sewer needs authorisation from the water authority instead of access to a grate, and stormwater is never an option, so a contractor without a clear answer creates an exposure that attaches to your business. Get the answer in writing on significant sites.

Treat a figure sitting well under the field on a documented site with suspicion. Safe work method statements, inductions, higher insurance limits, traffic management and wastewater capture are all real costs, and a figure undercutting the field usually means one or more has been left out instead of delivered more efficiently. Compare what each quote includes before comparing the totals.

Verify that markings have been accounted for on any deck. Aggressive cleaning strips painted bays, arrows and accessible parking symbols, creating a compliance problem and a repainting cost that lands on the client instead of the contractor. Line marked areas belong in the written scope.

Confirm the fire ant position where the site sits in South East Queensland. Any job moving soil, mulch or organic material off site in a restricted area carries obligations, and a contractor unaware of the zone status has not been working locally. Zone status is published and easy to check.

Verify insurance and documentation instead of accepting assurances. Ask for the certificate of currency and check the expiry, request the safe work method statement in advance, and for bundled repair work check licensing, with consumer guarantees enforced by the ACCC. A current certificate is reasonable to request in writing.

How to Get Useful Quotes

Set out each area with rough square metres and the cycle you want on it. Carpark, forecourt, loading dock, bin bay, paths and shopfront are separate items on different cycles, and providing the numbers puts every contractor on the same footing. Approximate square metres for each area are enough to start.

Give an accurate account of what is on each area. Oil on a deck, grease at a dock, leachate in a bin bay and gum at an entrance each demand their own products, soak times and containment. Photographs of each area help a contractor price the contamination accurately.

Specify when work can proceed and what noise limits apply. Overnight, early morning, weekend or shutdown windows change the rate, and a site adjacent to housing may have restrictions ruling out the obvious slot. Check the conditions before committing to any window.

Set out what has to be satisfied before anyone gets on site. Inductions, contractor management system registration, insurance limits, Blue Card requirements and permit needs all affect who can realistically quote. Stating them at the outset saves an email exchange.

Establish which services are available on site. Water supply and pressure, working taps, power, key access out of hours and whether an on site separator exists all determine whether a crew can complete a visit. Twenty minutes walking the site settles every one of those.

Have each quote state the areas and frequency, the method and chemistry, the wastewater capture and disposal path, the documentation and insurance, and how variations get priced. Settling those five produces comparable tenders, and waste handling scope sits with skip bin hire. Water disposal and paperwork are the items most commonly left unclear.