Aviation Ground Marking to CASA Part 139 MOS: What Aerodrome Operators Need to Know

CASA Part 139 MOS aviation ground marking requirements for aerodrome operators. Runway, taxiway, and apron marking specifications explained.

39 min readBy Niel Bennet
Aviation Ground Marking — CASA Part 139 MOS

POST 11 OF 5

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Shopping Centre Carpark Line Marking: Staging Guide | LMA

Meta Desc

Remarking a shopping centre carpark while trading? Here's how we stage the work across multiple nights to keep customers moving and comply with AS/NZS 2890.

Slug

/blog/shopping-centre-carpark-line-marking-staging-guide

Canonical

https://www.linemarkingaustralia.com.au/blog/shopping-centre-carpark-line-marking-staging-guide

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Title: 57 | Desc: 156

How to Remark a Shopping Centre Carpark Without Closing It: A Real Staging Guide

The operations manager had one non-negotiable: the centre couldn't lose a single day of trading.

650 bays. Three levels. A Saturday Christmas trade period starting in six weeks. The existing marking was faded, the accessible bays were non-compliant (2.9m instead of 3.2m), and council had been in twice in the past year commenting on the condition. She needed the whole thing done — properly done — without disrupting the 18,000 daily visitors or the 85 tenants who'd been through COVID and weren't interested in any more disruption.

We'd done enough shopping centre jobs to know the answer: stage it.

Four Sunday nights. 8pm to 6am. One level per night, opening fully before the first staff arrived at 7am. Complete job finished with two weeks to spare before Christmas trade.

Here's how that kind of job actually works.

Managing a shopping centre carpark remark? Upload your plans — we'll design the staging schedule and quote within 48 hours. James: 0468 069 002

Why Shopping Centres Need a Different Approach

Most line marking jobs have a simple scheduling logic: wait until the facility is empty, mark it, let it dry, hand it back. For a warehouse that stops on Friday afternoon, that's easy.

Shopping centres never fully stop. There's always delivery traffic, cleaning crews, security patrols, early-opening tenants, and the simple reality that a 24-hour gym or supermarket anchor means part of the carpark is always in use. Add to that the tenant relations issue — 85 retailers who will absolutely notice if their customers can't park — and you've got a situation that requires a proper plan, not just a crew that shows up at night.

The Three Elements of a Good Staging Plan

1. Dividing the Work into Manageable Sections

The first step is working out how to split the carpark into sections that can be completely closed for one night, with the rest of the facility operating normally. For a multi-level centre this is usually by level. For a single-level centre it's typically by zone — north half, south half, or entry section versus far sections.

The golden rule: each section needs to be genuinely self-contained. You can't close half a level if the traffic flow to the open half requires driving through the closed section. We draw the staging map before we quote, and we share it with the operations manager for sign-off before any work starts.

For the Laverton North centre we mentioned above, the staging was:

  • Night 1: Level 1 (ground, main entry level) — closed 8pm to 5:30am. Levels 2 and 3 open.
  • Night 2: Level 2 — closed 8pm to 5:30am. Levels 1 and 3 open.
  • Night 3: Level 3 (roof) — closed 8pm to 5:30am. Levels 1 and 2 open.
  • Night 4: External areas, accessible bays, directional arrows, level numbers — full facility closed 9pm to 4am.

Night 4 was the only full closure, scheduled for the quietest night of the week (Sunday to Monday), and at a time of year when trading was lower. Total disruption: roughly seven hours of reduced capacity across a month.

2. Communication and Signage

The staging plan means nothing if customers drive into a closed level. We provide temporary 'LEVEL CLOSED — PARKING AVAILABLE ABOVE/BELOW' signage as part of every staged shopping centre job. But the operations team needs to amplify that with centre-wide communication.

What we recommend: digital message boards updated the afternoon before each night. SMS or app notification to loyalty program members if the centre has the capability. Email to tenants the week before with the staging schedule. Security briefed on which level is closing and at what time each night.

We've seen jobs where this communication was skipped, and customers arrived at 8:15pm on a Tuesday to find Level 1 blocked off without warning. That creates genuine frustration that falls on the centre, not the contractor. It's worth the 30 minutes of admin.

3. The Sequence Within Each Night

Within each night's work, sequence matters. We always mark in the direction that traffic will flow when the level reopens — so if there's any dust or material residue, it gets tracked away from freshly marked surfaces, not onto them.

For thermoplastic application on external or open-deck levels: apply from the far end back toward the exit ramp, so the crew isn't walking over fresh markings to get out. For internal levels with paint or epoxy: same logic, exit last.

We also sequence the accessible bays last within each section. They need the most careful dimensional measurement and are the areas most likely to require a second check before we sign off. Doing them last means any dimensional queries don't hold up the rest of the level.

The Accessible Bay Situation: Why It Matters Most

For the Laverton North job, the non-compliant accessible bays were the trigger for the whole remarking project. And they're worth discussing specifically because they're the bays councils measure.

AS/NZS 2890.6:2009 requires 3,200mm bay width with a 2,400mm shared zone adjacent. The existing bays were 2,900mm — a 300mm shortfall. Council had noted this in their last visit. If it came up in a formal inspection, the centre faced a fix-it order and potentially a fine.

Fixing it in a multi-level centre requires removing the existing bay lines, reconfiguring the bay layout (which usually means losing one standard bay per accessible bay to create the required shared zone), and remarking in yellow with the correct ISA symbol and bollard position.

We lost four standard bays across the three levels — an acceptable trade-off to get the 14 accessible bays fully compliant. The operations manager had to notify the relevant tenants of the small reduction in nearby standard bays. Minor issue compared to a council enforcement action.

What the Operations Manager Needs From Us

Before we start any shopping centre job, we provide the operations manager with:

  • Complete staging schedule with dates, times, and which areas are affected each night
  • Signage plan — what temporary signs we're providing and where they go
  • Traffic management plan — how we redirect traffic during the closed sections
  • Completion schedule — when each section will be fully open and dry
  • Emergency contact — James's mobile for anything that needs a decision at 11pm

After each night's work, we send completion photos before 7am so the operations manager can see what's been done before the facility opens. And at the end of the project, we provide full compliance documentation for all accessible bays, the complete post-marking photo set, and material certifications.

Everything you need to respond to council, satisfy your insurer, and show your centre management committee.

Common Problems on Shopping Centre Jobs (and How We Avoid Them)

Wet paint and early arrivals

Cure time for waterborne paint on external surfaces is 20-30 minutes in good conditions. At 5:30am in an unventilated basement, it can be 45-60 minutes. If a staff member drives over a freshly marked bay at 6:15am, they take some of the paint with them.

We always finish marking well within our window to allow adequate cure time. For basement levels, we finish marking by 4:30am for a 6am reopening. If conditions are cold or humid and cure is slow, we can deploy portable fans. We've never had a wet paint incident on a properly planned shopping centre job.

The tenant who parks overnight

Almost every shopping centre has one. The tradie who leaves his ute parked for three nights, or the retail worker who caught the bus and hasn't moved their car in a week. A vehicle parked in the section we need to mark that night is a problem.

We work with centre security to identify overnight vehicles during the afternoon before each night's work. Where vehicles can be moved by security (private property, typically possible), they are. Where they can't, we mark around them and return to complete those bays on the final clean-up night.

Got a shopping centre or retail carpark that needs remarking? Upload your plans and we'll build a staging schedule that keeps trading uninterrupted. 0468 069 002

Frequently Asked Questions

How many nights does a typical shopping centre carpark remark take?

For a single-level centre up to 200 bays, typically two nights — one for the main area, one for accessible bays, external areas, and directional markings. Multi-level centres are generally one night per level plus a final detail night. We'll give you an exact schedule with every quote.

Do you handle the traffic management within the centre?

Yes. We provide all temporary signing and cone layouts for the closed sections. For jobs that require formal traffic management plans (some councils require this even for private property), we can arrange that as part of the job. Tell us your council's requirements when you enquire.

What if we need to remark in stages over several months due to budget?

That's workable. We can stage a job across multiple visits — do the accessible bays and main entry this month, the upper levels next quarter. We just document the current condition before each stage so we're all clear on what's been done and what remains. Some clients prefer this approach for cash flow reasons and it's entirely manageable.

Can you work over the Christmas-New Year period when trading volumes are lower?

We can, with advance booking. That period is popular for shopping centre maintenance generally, so our schedule fills up. For any job targeting the Christmas-New Year window, we need to lock in dates at least six to eight weeks out. Call James on 0468 069 002 to check availability.

Shopping centre carpark due for a remark? Don't leave it until it becomes a council issue. Upload plans now — fixed-price quote within 48 hours.

Line Marking Australia. Since 2009. 5,000+ projects. VicRoads approved. $20M public liability. $10M professional indemnity. Fixed prices. Full documentation every job. Call James: 0468 069 002.

Internal Links for CMS

  • [Carpark Line Marking](/services/carpark-line-marking/)
  • [Accessible Parking Line Marking](/services/accessible-parking-line-marking/)
  • [Night Shifts vs Weekend Work](/blog/night-shifts-vs-weekend-work-line-marking-scheduling/)
  • [AS/NZS 2890.6 Guide](/blog/as-nzs-2890-6-accessible-parking-compliance-requirements/)
  • [What Happens If Your Carpark Fails Council](/blog/what-happens-carpark-fails-council-inspection/)
  • [Line Marking Laverton North](/state/melbourne/laverton-north/)
  • [Line Marking Melbourne](/state/melbourne/)
  • [Line Marking Victoria](/state/vic/)

POST 12 OF 5

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Aged Care Facility Line Marking: Compliance & Safety Guide

Meta Desc

Aged care line marking involves higher compliance stakes than most facilities. Here's what AS/NZS 2890.6, DDA, and TGSI requirements mean in practice.

Slug

/blog/aged-care-facility-line-marking-compliance-safety-guide

Canonical

https://www.linemarkingaustralia.com.au/blog/aged-care-facility-line-marking-compliance-safety-guide

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Title: 58 | Desc: 150

Line Marking in Aged Care Facilities: Why the Standards Are Stricter and What That Means for Your Next Remark

The facility manager at a residential aged care facility in Cheltenham rang us after a resident's family had made a formal complaint.

An elderly resident using a motorised scooter had been unable to access the carpark's accessible parking bay because the shared zone — the striped area adjacent to the bay that allows wheelchairs and mobility aids to deploy — was partially occupied by a garden border that had been installed after the original marking. The resident had been unable to visit independently for three months.

The complaint had gone to the Aged Care Quality and Safety Commission. The facility now had a formal notation on its record.

We came in and assessed. The accessible bay dimensions were correct — 3,200mm bay, 2,400mm shared zone. But the garden border installation had encroached 600mm into the shared zone without anyone realising the compliance implication. We relocated the bay markings 700mm away from the border, maintaining the full shared zone. Took one morning.

The compliance notation remained on the record. But the facility could demonstrate immediate remediation.

Aged care is different from most facilities. The people using the access infrastructure are more vulnerable to getting it wrong, and the regulatory consequences of failure are more serious. Here's what that means for line marking.

Managing an aged care facility? Upload your site plans for a compliance assessment — we'll identify every gap before regulators do. James: 0468 069 002

The Regulatory Environment Around Aged Care Access

Aged care facilities are subject to overlapping compliance obligations that go beyond what most commercial properties deal with:

  • Aged Care Quality Standards: the Aged Care Act 1997 requires providers to meet Quality Standards that include safe and accessible environments. Standard 3 (Personal Care and Clinical Care) and Standard 8 (Organisational Governance) both touch on physical environment obligations.
  • Disability Discrimination Act 1992: accessible parking, paths of travel, and building access must comply with the DDA. Aged care facilities have higher exposure here because a larger proportion of their residents and visitors have mobility limitations.
  • Building Code of Australia: new builds and significant renovations must meet NCC access requirements referencing AS/NZS 1428.1. Existing facilities have ongoing maintenance obligations to keep compliant elements functional.
  • State planning requirements: most councils have specific requirements for aged care facility carparks that go beyond the standard AS/NZS 2890 requirements for commercial properties.

The consequence of failure in aged care isn't just a council fine. It can affect accreditation, trigger regulatory action, and generate complaints that go on the facility's public record. That changes the calculus around maintenance.

Accessible Parking: Higher Requirements Than Standard Commercial

AS/NZS 2890.6:2009 sets the minimum requirements for accessible parking, and those minimums apply to aged care facilities. But in practice, aged care facilities should be planning above the minimum.

Bay Dimensions

The standard requires 3,200mm bay width and 2,400mm shared zone. For a facility where a significant proportion of visitors and residents use motorised scooters, power wheelchairs, or are transferred from vehicles by carers, the shared zone is the critical dimension. It needs to be genuinely usable, not just technically present.

We recommend that aged care facilities design for 2,800mm shared zones where space allows. The extra 400mm makes a genuine operational difference when a carer is deploying a ramp or assisting a transfer.

Bay Quantity

AS/NZS 2890.6 Table 2.1 sets minimum quantities. For residential aged care, those minimums are often inadequate given the actual proportion of visitors with mobility aids. We've seen facilities comply with the table minimum while having accessible bay queuing problems on visiting days.

It's worth assessing actual visiting patterns rather than just meeting the table minimum. Two extra accessible bays is a relatively small cost compared to the complaint and reputation management cost of inadequate access on a busy Sunday.

Path From Bay to Entry

The accessible path from the parking bay to the building entry is often where aged care facilities fall short — not because of the marking, but because of what happens to the path over time. Garden maintenance, construction works, new signage installations, temporary storage.

The path needs to maintain a minimum 1,000mm clear width, maximum 1:40 gradient, and no surface changes that create a tripping hazard. We walk the full path from every accessible bay to the building entry as part of every aged care compliance assessment.

TGSI Requirements in Aged Care Environments

Tactile ground surface indicators (TGSIs) are more important in aged care environments than in most commercial settings. Residents and visitors with vision impairment rely on them for navigation in ways that the general public may not.

The standard requirements under AS/NZS 1428.4.1 apply, but the implementation matters more in aged care. Specifically:

  • Contrast matters more here: TGSIs need strong colour contrast with the surrounding surface. Standard yellow on grey is often adequate, but in an environment with older residents who may have age-related vision changes, maximum contrast improves usability.
  • Consistency matters: if TGSIs are present at some hazard points and not others, they create false confidence. Either mark all hazard points consistently or mark none — inconsistency is worse than absence for a person navigating by tactile cues.
  • Maintenance matters: surface-applied TGSIs in high-traffic areas can delaminate or wear. A TGSI that's partially detached is a tripping hazard — the opposite of its intended purpose. Annual inspection and maintenance is essential.

Carpark Internal Traffic: A Consideration Most Facilities Get Wrong

Aged care carparks have a specific traffic pattern that standard carpark marking doesn't fully address: slow-moving vehicles, drivers who may be elderly themselves, pedestrians who move slowly and may not be aware of vehicle approach.

The standard AS 1318 safety colour scheme applies — yellow for vehicle lanes, green for pedestrian paths, red for emergency equipment. But in aged care, the pedestrian paths need to be particularly clearly delineated, and the crossing points between vehicle lanes and pedestrian paths need to be highly visible.

We use wider crossing markings at pedestrian crossings in aged care carparks — 300mm lines rather than the standard 150-200mm. The additional width improves visibility for both drivers and pedestrians. Minor change. Meaningful difference.

The Cheltenham Job, Six Months Later

We went back to the Cheltenham facility six months after the initial remediation to do their annual carpark compliance review — something we now offer to all aged care clients as an optional add-on.

Found two issues. One TGSI installation near the main entry had partially delaminated — replacement needed. And a new staff car parking area that had been added during a minor works project had been marked without accessible bay provisions, despite the carpark expansion technically triggering a reassessment obligation.

Both fixed in a single half-day visit. The facility now has an annual compliance review on their maintenance calendar. The operations manager told us it's one of the few line items in their maintenance budget they consider non-negotiable.

That's the right approach.

Annual aged care compliance review available. Upload your site plans and we'll assess every access element — quote within 48 hours. 0468 069 002

Frequently Asked Questions

Is line marking in aged care subject to any standards beyond AS/NZS 2890?

Yes. AS/NZS 1428.1 (Design for access and mobility) applies to the full path of travel. AS/NZS 1428.4.1 applies to TGSI installations. AS 4586 applies to slip resistance in wet pedestrian areas. The Aged Care Quality Standards create a broader obligation around safe environments. We'll reference all relevant standards in our compliance documentation.

What if our facility was built before accessible parking standards were this strict?

Existing facilities have some protection under the DDA's unjustifiable hardship provisions — you're not necessarily required to meet current standards if doing so would require structural changes that are genuinely unfeasible. But you are required to make reasonable adjustments. More accessible bays and better marking are almost always reasonable adjustments regardless of when the facility was built. We can help you document your compliance journey.

Can you provide documentation specifically for ACQSC accreditation purposes?

Yes. Our completion documentation includes compliance certification referencing the applicable standards, measured dimension verification for all accessible bays, material specifications, and photographic evidence. We can format this documentation to support your accreditation evidence folder. Speak to James about what format works best for your facility's accreditation requirements.

Don't wait for a complaint. Get your aged care facility assessed now. Upload plans or call James: 0468 069 002.

Line Marking Australia. Since 2009. 5,000+ projects. VicRoads approved. $20M public liability. $10M professional indemnity. Fixed prices. Full documentation every job. Call James: 0468 069 002.

Internal Links for CMS

  • [Accessible Parking Line Marking](/services/accessible-parking-line-marking/)
  • [TGSI Installation](/blog/tactile-ground-surface-indicators-tgsi-guide/)
  • [DDA Compliance Checklist](/blog/dda-compliance-checklist-accessible-parking-tgsi-kerb-ramps/)
  • [AS/NZS 2890.6 Guide](/blog/as-nzs-2890-6-accessible-parking-compliance-requirements/)
  • [Carpark Line Marking](/services/carpark-line-marking/)
  • [Line Marking Cheltenham](/state/melbourne/cheltenham/)
  • [Line Marking Melbourne](/state/melbourne/)
  • [Line Marking Victoria](/state/vic/)

POST 13 OF 5

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Cold Storage Warehouse Line Marking: Sub-Zero Materials Guide

Meta Desc

Line marking in cold storage and freezer warehouses requires specialist materials and preparation. Here's what works below zero and what doesn't.

Slug

/blog/cold-storage-warehouse-line-marking-sub-zero-materials

Canonical

https://www.linemarkingaustralia.com.au/blog/cold-storage-warehouse-line-marking-sub-zero-materials

Char count

Title: 61 | Desc: 145

Line Marking in Cold Storage Warehouses: What Works Below Zero (and What Fails Within Weeks)

The operations manager at a cold storage facility in Truganina had a specific problem. Their minus 18-degree freezer room needed its forklift lanes and pedestrian walkways remarked. The previous contractor had been in twice in 18 months. Both times the markings had failed within four months.

Peeling. Cracking along the edges. Sections lifting entirely from the floor.

'I don't understand,' she said. 'It looks fine when they apply it. Then the temperature cycles start and it just falls apart.'

That's exactly the problem. Temperature cycling — the floor going from minus 18°C in operation to near zero during a defrost cycle — creates thermal expansion and contraction stresses that destroy any coating that wasn't specifically formulated for it.

We came in with a proper cold-storage specification. That was three years ago. The markings are still there.

Here's what the specification looks like.

Cold storage or freezer warehouse marking failing? We can fix it properly. Upload your plans — quote within 48 hours. James: 0468 069 002

Why Standard Floor Marking Fails in Cold Storage

Standard waterborne paints and most standard epoxy formulations are engineered for ambient temperature environments — roughly 5°C to 35°C. Outside that range, the chemistry changes.

Below zero, waterborne paints can freeze during application or cure, preventing proper film formation. Even if they apply correctly, the film becomes brittle at sub-zero temperatures and can't flex with the thermal movement of the concrete substrate.

Epoxy coatings have similar issues. Standard two-pack epoxy has a glass transition temperature — the point at which it transitions from a slightly flexible material to a rigid, brittle one. In a standard warehouse operating at 18°C, this isn't an issue. In a minus 18°C freezer room, the epoxy is well below its glass transition temperature and becomes rigid and brittle. Any movement in the substrate — from temperature cycling, load-bearing deformation, or moisture movement — cracks it.

The cracks then allow moisture penetration. The freeze-thaw cycle expands that moisture. The delamination accelerates. Within months, you're looking at what the Truganina operations manager was describing.

What the Correct Specification Looks Like

The Right Base Material

For minus 18°C to minus 25°C freezer rooms, we use a two-pack polyurethane floor marking system rather than standard epoxy. Polyurethane has a lower glass transition temperature than epoxy — it remains flexible at sub-zero temperatures rather than becoming brittle. That flexibility allows it to accommodate the thermal movement in the concrete without cracking.

For cool rooms operating at 2°C to 8°C — positive cold rather than freeze — standard two-pack epoxy with a flexible primer works well. The thermal cycling is less extreme and the floor movement less significant.

We specify different products for different temperature zones in the same facility. A facility with a minus 20°C freezer room, a minus 5°C blast freezer, a 2°C cool room, and an ambient loading dock all in the same building gets a different product in each zone. It adds a small amount of complexity to the job but it's the only way to get consistent performance across the full facility.

Substrate Temperature During Application

This is where most cold storage marking jobs go wrong. You cannot apply floor coating to a surface that's below the product's minimum application temperature — typically 5-10°C depending on the product.

For a freezer room that runs at minus 18°C, the floor surface needs to be brought up to application temperature before we start. That means shutting the room down, turning off refrigeration, and allowing the floor to warm up. Depending on the insulation and the thermal mass of the slab, this can take 24-48 hours.

In our experience, the hardest part of cold storage marking jobs is convincing the operations team to allow adequate warmup time. A minus 18°C freezer room represents a significant inventory risk during warmup. We work with operations to schedule the warmup and marking during planned maintenance shutdowns where possible, or to move stock to alternative cold storage temporarily.

The Truganina job required a 36-hour warmup period and two days of marking work during a planned maintenance shutdown. Not fast. But the result is now in its fourth year.

Moisture Management

As a cold storage room warms up, moisture condenses on surfaces — including the floor. Condensation on a concrete floor is the enemy of any floor coating application.

We monitor floor moisture throughout the warmup period using a digital moisture meter. We don't apply any coating until moisture content is below 5% — which sometimes means extending the warmup period by additional hours to allow the surface to fully dry after condensation has formed and evaporated.

A floor that looks dry to the eye can still have sufficient surface moisture to compromise coating adhesion. The moisture meter isn't optional on cold storage jobs.

Primer Selection

A penetrating primer applied before the marking coat is more important in cold storage than in any other application. The primer serves two functions: it seals the concrete surface against ongoing moisture vapor transmission from below, and it provides a chemically compatible base for the marking coat to bond to.

For freezer room floors, we use a low-viscosity epoxy primer that penetrates into the concrete pores. Applied in two coats, it creates a moisture barrier that protects the marking coat from the moisture pressure that contributes to delamination.

The Zone Map: How We Handle Multi-Temperature Facilities

A modern cold storage and distribution facility often has five or more distinct temperature zones under one roof. Mapping those zones and specifying the right product for each one is a significant part of our pre-job planning.

Zone

Temperature

Recommended Product

Special Prep

Deep freeze

-18°C to -25°C

2-pack polyurethane with flexible primer

36-48hr warmup, extensive moisture management

Blast freezer

-5°C to -15°C

2-pack polyurethane

24hr warmup, moisture test required

Cool room

2°C to 8°C

Flexible 2-pack epoxy

Moisture test, penetrating primer

Loading dock (ambient)

10°C to 25°C

Standard 2-pack epoxy

Degrease, moisture test

Colour Coding in Cold Storage: The Visibility Challenge

AS 1318 colour requirements apply in cold storage just as in any industrial environment. Yellow forklift lanes, green pedestrian walkways, red emergency equipment zones. But cold storage presents a specific visibility challenge: condensation on the floor surface reduces contrast.

We use higher-contrast colour combinations in cold storage applications. Bright yellow (not the slightly muted industrial yellow used in ambient warehouses) for forklift lanes. Bright green for pedestrian paths. And we recommend higher colour saturation in the paint specification to account for the slight dulling effect of moisture on the surface.

Retroreflective elements are also worth considering in cold storage. Glass beads in the marking coat improve visibility under forklift headlights in the lower natural light conditions common in freezer rooms.

Frequently Asked Questions

How long does a cold storage marking job take compared to a standard warehouse?

Significantly longer when you include preparation time. A standard warehouse floor can often be degreased and marked in a single weekend. A freezer room requires a 24-48 hour warmup period, moisture management throughout, and then the marking itself. Allow for a minimum five-day shutdown for a freezer room marking job, including warmup, marking, and recooling to operational temperature.

Can we apply marking while the room is still cold if we use the right products?

No. Even cold-rated polyurethane systems have minimum application temperatures of around 5°C. The product won't cure correctly below that temperature regardless of its eventual performance characteristics. The warmup period is non-negotiable for any cold storage application.

How long does polyurethane floor marking last in a freezer room?

In our experience with properly prepared surfaces and the correct product specification, 6-8 years is realistic in a minus 18°C environment. The performance is heavily dependent on preparation quality — a beautifully specified product on a poorly prepared surface will still fail. We provide material certifications and completion documentation with every cold storage job.

Do you work in cold storage facilities across Australia or only Victoria?

We work nationally. Cold storage facilities across Melbourne's west (Truganina, Laverton North, Derrimut), Sydney's outer west (Eastern Creek, Erskine Park), Brisbane's south and north, and Perth's industrial belt are all areas we've completed cold storage work. Call James on 0468 069 002 to discuss your location.

Cold storage marking failing? Or planning a new installation? Upload plans for a specialist quote within 48 hours. James: 0468 069 002

Line Marking Australia. Since 2009. 5,000+ projects. VicRoads approved. $20M public liability. $10M professional indemnity. Fixed prices. Full documentation every job. Call James: 0468 069 002.

Internal Links for CMS

  • [Warehouse Line Marking](/services/warehouse-line-marking/)
  • [Factory Floor Marking](/services/factory-floor-marking/)
  • [One-Pack vs Two-Pack Epoxy](/blog/one-pack-vs-two-pack-epoxy-floor-marking/)
  • [Thermoplastic vs Paint vs Epoxy](/blog/thermoplastic-vs-paint-vs-epoxy-line-marking-materials/)
  • [Warehouse WHS Guide](/blog/industrial-warehouse-line-marking-whs-compliance-guide/)
  • [Line Marking Truganina](/state/melbourne/truganina/)
  • [Line Marking Laverton North](/state/melbourne/laverton-north/)
  • [Line Marking Melbourne](/state/melbourne/)

POST 14 OF 5

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Multi-Storey Carpark Line Marking: Wayfinding & Bay Numbering

Meta Desc

Multi-storey carpark marking goes beyond bays. Wayfinding arrows, level numbering, height clearance and AS/NZS 2890.1 compliance — all covered here.

Slug

/blog/multi-storey-carpark-line-marking-wayfinding-bay-numbering

Canonical

https://www.linemarkingaustralia.com.au/blog/multi-storey-carpark-line-marking-wayfinding-bay-numbering

Char count

Title: 61 | Desc: 148

Multi-Storey Carpark Marking: It's Not Just Bays — Here's Everything That Needs to Go Down

The property manager called us in after his tenants had started complaining. Not about parking availability — the 480-bay, five-level carpark was never more than 70% full. The complaints were about people taking 20 minutes to find their car.

Visitors would park on Level 3, do their business, come back, and have no idea where Level 3 was. Level signage was minimal. Bay numbers had faded beyond recognition. Directional arrows were inconsistent or missing. Exit signage didn't match any logical path.

Two of his major tenants had received written complaints from corporate clients about the parking experience. One had threatened not to renew their lease.

We came in and did what we call a full wayfinding audit. Not just measured the bays for compliance — assessed the entire driver experience from entry to exit. Fourteen separate wayfinding deficiencies. Most were marking issues. Some were signage. All were fixable.

Three nights of work. The problem went away.

Multi-storey carpark with a wayfinding problem? Upload your plans and we'll audit and quote the full solution within 48 hours. 0468 069 002

Why Multi-Storey Carparks Are More Complex Than Surface Carparks

In a surface carpark, a driver who gets confused can see the exit from most positions. Orientation is easy. In a multi-storey carpark, every level looks identical. Without clear marking and signage, drivers genuinely lose orientation.

The consequences range from frustrating (25 minutes to find your car) to serious (wrong-way driving on a ramp, accessing a pedestrian stairwell instead of a vehicle exit). AS/NZS 2890.1 includes specific requirements for multi-storey carparks beyond the standard bay dimension and accessible parking requirements precisely because the complexity creates higher safety risks.

The Full Marking Scope for a Multi-Storey Carpark

Bay Markings

Standard bay dimensions apply: 2,400mm wide x 5,400mm long for 90-degree parking, aisles at minimum 6,200mm for two-way traffic. End bays adjacent to walls require 300mm additional width.

In multi-storey carparks, the end bay issue is particularly common. Columns are more prevalent than in surface carparks, and they often intrude on end bay clearances in ways that weren't properly accounted for in the original marking. We measure every bay adjacent to a column on every multi-storey job.

Bay Numbering

Every bay should have a unique identifier that a driver can use to communicate their location ('I'm in Bay 3G-247'). The numbering system needs to be logical — typically by level, then section, then sequential number — and the numbers need to be large enough to read from a standing position without crouching.

We use 300mm-high bay numbers on multi-storey carparks. Some facilities use 200mm — readable but not easily. At 300mm, numbers are visible from 10 metres away, which means a driver walking down an aisle can read their bay number without approaching each bay.

Bay numbers are typically applied in white paint on the aisle side of each bay, with the level identifier included: '3G-247' not just '247'.

Directional Arrows

Every aisle needs directional arrows indicating the flow of traffic. For two-way aisles, this is a 'two-way traffic' double-headed arrow. For one-way aisles, a single arrow with a clear direction. For circulation aisles that connect levels or zones, larger arrows at every decision point.

The Cheltenham property we mentioned was missing arrows in six aisles completely — the original marking had only done bays and didn't touch directional markings. Drivers were improvising their own directions, creating conflict at blind corners.

Level Identification Markings

Each level needs large-format level identification — typically the level number or letter painted at 600mm+ height on walls at ramp entries and on the floor at lift and stairwell approaches. Bright colours (typically yellow or blue, depending on the facility's colour system) on a contrasting background.

Floor-applied level markings in the approach to lifts and stairwells serve people who are on foot. If I've parked on Level 3 and I need to find Level 3 when I return, a large '3' on the floor near the lift is far more reliable than looking for a sign on the wall.

Accessible Bay Identification and Path Marking

As with all carparks, accessible bays need AS/NZS 2890.6 compliant dimensions, yellow line colour, ISA symbols, and shared zone hatching. In multi-storey carparks, the accessible bays are almost always on the ground level near the lift core — and the path from those bays to the lift needs to be clearly marked as an accessible path.

That path marking is often absent. A wheelchair user who parks in an accessible bay on Level 1 needs a clear, marked path to the lift without having to navigate through vehicle aisles. In most multi-storey carparks this is a 20-30 metre path that takes 30 minutes to mark properly. Rarely done. Should be.

Height Clearance Markings

Multi-storey carparks typically have minimum height clearances on entry ramps and at structural beams within the deck. AS/NZS 2890.1 requires these to be clearly marked. The clearance height is marked on the beam or ceiling surface directly, and a warning marking is applied on the floor 5-10 metres before the clearance point.

We paint height clearances in a yellow background with black text: '2.1m' in 300mm-high lettering at the actual clearance point, and a warning chevron pattern on the floor approach. It looks professional and it prevents the damage claims that come from panel vans and SUVs clipping undeclared low clearances.

Ramp Markings

Entry and exit ramps need the standard lane markings, but also: ramp gradient warnings (for steep ramps), 'GIVE WAY' markings at ramp bottom-of-run where visibility of opposing traffic is limited, and edge delineation lines if the ramp has significant height changes on either side.

We also mark pedestrian crossing points at the bottom of ramps where pedestrians and vehicles conflict. This is more commonly done in modern carparks but absent in many older ones.

The Wayfinding Audit: How We Assess a Multi-Storey Before Quoting

We walk every level, every aisle, every ramp, and every pedestrian path. We document:

  • Current bay dimensions (measured, not assumed) and compliance status
  • Presence and condition of bay numbering
  • Presence and condition of directional arrows at every decision point
  • Level identification markings — floor and wall
  • Accessible bay compliance — dimensions, symbols, shared zones, path to lifts
  • Height clearance markings
  • Ramp markings and pedestrian conflict points
  • Condition of existing marking (retroreflectivity, wear, delamination)

The audit takes two to three hours for a 300-500 bay multi-storey. We provide the findings in writing with the quote so you know exactly what's compliant, what needs attention, and what we're going to do.

Multi-storey carpark audit included with every quote. Upload your plans or call James on 0468 069 002.

Frequently Asked Questions

How do we plan the staging of a multi-storey carpark remark without closing the whole facility?

One level per night is the standard approach. See our shopping centre staging guide for the detailed methodology — the same principles apply to commercial multi-storey carparks. We provide a full staging schedule with every multi-storey quote.

Our existing bay numbering system is inconsistent across levels — can we redesign it?

Yes. We can redesign the numbering system as part of the remark. New numbering means removing old bay numbers (grinding or water blasting the existing paint) and applying the new system consistently across all levels. We'll include the numbering system design in our proposal for your sign-off before any work starts.

Do you mark both the floor surface and the walls in multi-storey carparks?

We specialise in floor and road surface marking. Wall-mounted signage and suspended signs are outside our scope. For a complete wayfinding solution that includes both floor marking and suspended signage, we can refer you to signage contractors we work alongside on larger projects.

Multi-storey carpark due for a full marking refresh? Get the audit and quote in one visit. Call James: 0468 069 002 or upload your plans.

Line Marking Australia. Since 2009. 5,000+ projects. VicRoads approved. $20M public liability. $10M professional indemnity. Fixed prices. Full documentation every job. Call James: 0468 069 002.

Internal Links for CMS

  • [Carpark Line Marking](/services/carpark-line-marking/)
  • [Accessible Parking Line Marking](/services/accessible-parking-line-marking/)
  • [Shopping Centre Staging Guide](/blog/shopping-centre-carpark-line-marking-staging-guide/)
  • [AS/NZS 2890.1 Guide](/blog/as-nzs-2890-1-complete-guide-carpark-standards/)
  • [AS/NZS 2890.6 Guide](/blog/as-nzs-2890-6-accessible-parking-compliance-requirements/)
  • [Night Shifts vs Weekend Work](/blog/night-shifts-vs-weekend-work-line-marking-scheduling/)
  • [Line Marking Melbourne](/state/melbourne/)
  • [Line Marking Sydney](/state/sydney/)

POST 15 OF 5

META DATA

Aviation Ground Marking to CASA Part 139 MOS: What's Required

Meta Desc

Aviation apron and taxiway ground marking must comply with CASA Part 139 MOS. Here's what certified aerodrome marking looks like and who can do it.

Slug

/blog/aviation-ground-marking-casa-part-139-mos-requirements

Canonical

https://www.linemarkingaustralia.com.au/blog/aviation-ground-marking-casa-part-139-mos-requirements

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Title: 61 | Desc: 147

Aviation Ground Marking to CASA Part 139 MOS: What Aerodrome Operators Need to Know

The call came from an aerodrome manager at a regional airport in country Victoria.

Their apron area needed a full remark — hold lines, aircraft parking positions, service vehicle lanes, safety zones. The aerodrome was due for a CASA safety audit in six weeks. The current markings had faded to the point where some were no longer distinguishable in certain light conditions.

'We've had two local contractors quote it,' he said. 'Neither of them mentioned CASA Part 139. One of them quoted it like a carpark.'

Aviation ground marking is not a carpark job. The standards are specific, the stakes are higher, and the approval requirements are real. A non-compliant apron marking at a certified aerodrome is a safety issue that CASA takes seriously.

We completed the job in two nights. The CASA audit passed without findings on surface marking.

Here's what aviation ground marking actually involves.

Aerodrome surface marking due for renewal? Upload your apron plans — we'll quote to CASA Part 139 MOS specification within 48 hours. James: 0468 069 002

What Is CASA Part 139 MOS?

CASA Part 139 Manual of Standards (MOS) is the Civil Aviation Safety Authority's technical standard for aerodromes. Part 139 MOS Chapter 9 specifically covers aerodrome markings — the lines, symbols, and surface designations on aircraft movement areas.

It applies to all certified aerodromes in Australia — not just major airports, but regional aerodromes, helicopter landing areas, and any aerodrome that holds a CASA aerodrome certificate. If your aerodrome is certified, your surface marking must comply.

The standard references the ICAO Aerodrome Design Manual (Doc 9157) for technical specifications and aligns Australian requirements with international standards. That means the marking scheme at a regional aerodrome in Victoria needs to follow the same logical framework as marking at major international airports.

The Key Marking Types and What They Mean

Runway Designation Markings

The runway number (derived from magnetic heading) painted at the runway threshold in white, at the specified dimensions in Part 139 MOS. The number and associated threshold markings need to be visible and legible from the air during approach — which means not just correct paint, but correct retroreflectivity and contrast against the runway surface.

Runway Threshold and Aiming Point Markings

White stripe markings at the runway threshold and aiming point at specified dimensions and spacing. The number of stripes and their spacing varies by runway width class under Part 139 MOS. This is not something to estimate — the dimensions are in the standard and they need to be followed precisely.

Taxiway Centreline Markings

Yellow continuous line along the taxiway centreline, 150mm wide, from the runway holding position to the apron. At intersections, curved guidance lines show the standard taxi path through the intersection. At holding positions, runway holding position markings (the double solid and double dashed yellow lines) indicate the point behind which aircraft must hold awaiting ATC clearance.

The runway holding position marking is one of the most safety-critical markings on any aerodrome. An aircraft crossing it without clearance is a runway incursion — a serious safety event. These markings need to be clearly visible in all conditions, including wet weather and low light.

Apron Markings

Aircraft parking position markings (lead-in lines, parking T's or boxes, alignment markings), service road markings, equipment parking zones, and safety clearance zones around aircraft stands. Each has specific dimensions and colour requirements in Part 139 MOS.

Apron markings also need to account for the equipment that operates on them. Ground power units, baggage loaders, fuel bowsers — all of these have operational clearance requirements that the marking layout needs to support.

Surface Condition Markings

Areas of the movement surface that are closed or have limited bearing strength may need to be marked. Yellow or red X markings for closed surfaces. Pavement condition indicators in areas with surface degradation.

Why Retroreflectivity Matters More in Aviation

In a carpark, retroreflectivity is about visibility at night for drivers at low speed. In aviation, it's about visibility during approach and landing in all conditions — including rain, low sun angles, and reduced visibility approaches.

Part 139 MOS references minimum retroreflectivity values for runway and taxiway markings measured in accordance with AS/NZS 1906.3. These aren't guidelines — they're minimum standards, and CASA inspectors check them.

We use retroreflective paint formulations with glass bead embedment on all aviation marking applications. Standard carpark paint, even premium paint, doesn't meet aviation retroreflectivity requirements. The glass bead specification and embedment depth for aviation applications is different from carpark applications.

The Colour Specifications

Aviation marking has a specific colour convention that differs from standard road and carpark marking:

  • White: runway markings — thresholds, designations, aiming points, touchdown zones. White is used exclusively for markings directly associated with runway operations.
  • Yellow: taxiway markings — centrelines, holding positions, guidance lines, apron taxi routes. Yellow is the universal colour for taxiway guidance.
  • Red: mandatory instruction markings — runway holding positions (on the taxiway side), runway-to-runway holding positions, critical area boundaries. Red on white.
  • Black: used as a background colour behind certain mandatory markings to increase contrast. Not used as a primary marking colour.

Using the wrong colour in an aviation context isn't just an aesthetic issue. A yellow marking where a white marking is required changes the meaning entirely and could cause pilot confusion.

Who Can Do Aviation Ground Marking?

Part 139 MOS doesn't prescribe specific contractor qualifications for surface marking — but it does hold the aerodrome operator responsible for compliance. In practice, that means the operator needs to use a contractor who understands the standard and can document compliance.

We've completed aviation marking at regional aerodromes in Victoria, New South Wales, and Queensland. On every job we provide:

  • Pre-job marking layout drawings showing compliance with Part 139 MOS specifications
  • Material certifications demonstrating retroreflectivity performance
  • Post-job as-built drawings showing actual dimensions and positions
  • Completion report referencing the specific Part 139 MOS sections met

That documentation package is what the aerodrome operator needs to demonstrate compliance to CASA. We've had aerodrome operators use our documentation directly in their CASA audit responses.

The Regional Aerodrome Job: How It Actually Went

Back to the country Victoria aerodrome. Two-night job. Night one was the taxiway centrelines, runway holding positions, and apron lead-in lines. Night two was the apron parking position markings, service road markings, and the runway threshold remarking.

We worked under aerodrome safety conditions — the aerodrome was NOTAMed closed for the marking nights, full traffic management plan filed, all crew inducted into aerodrome safety procedures. The job ran from last light to 4am each night.

Total surface marked: approximately 1,200 linear metres of taxiway centreline, 6 runway holding positions, 12 aircraft stand markings. Retroreflective paint throughout. As-built documentation provided within 48 hours of completion.

CASA audit six weeks later. No findings on surface marking. Aerodrome manager's feedback: 'First time we've gone through an audit without at least one comment on marking.' Sorted.

Aviation marking to CASA Part 139 MOS. Upload your apron plans for a specialist quote. James: 0468 069 002

Frequently Asked Questions

Does Part 139 MOS apply to private aerodromes and helipads?

Part 139 applies to certified aerodromes. Not all private aerodromes are certified — if you're operating under a private aircraft operations approval rather than an aerodrome certificate, the strict Part 139 compliance requirement may not apply. However, best practice is to follow the standard for any surface used by aircraft. If you're unsure of your aerodrome's certification status, check with CASA or your aviation lawyer.

How often do aerodrome surface markings need to be renewed?

There's no fixed renewal period in Part 139 MOS — the requirement is that markings remain compliant (visible and meeting retroreflectivity standards) at all times. In practice, high-traffic aerodrome aprons may need remarking every 3-5 years. Runway markings at lower-traffic regional aerodromes may last longer. CASA inspectors assess condition during regular audits and will flag markings that no longer meet the standard.

Can you quote aviation marking outside Victoria?

Yes. We work nationally. Regional aerodromes across NSW, QLD, WA, and SA are all accessible. For regional aerodrome jobs, we factor travel and accommodation into the quote. Call James on 0468 069 002 to discuss your location and requirements.

What's the difference between apron marking and airside road marking?

Airside roads — the service roads used by ground vehicles on the airside of the aerodrome — follow a hybrid of aviation (CASA) and road (AS 1742) marking requirements. Vehicle lanes, give way lines, and pedestrian crossings on airside roads follow road marking standards. Aircraft parking and taxiway markings follow Part 139 MOS. We're familiar with both and will specify correctly for each zone.

CASA audit coming up? Or markings fading and you need them sorted? Upload your plans — specialist aviation marking quote within 48 hours.

Line Marking Australia. Since 2009. 5,000+ projects. VicRoads approved. $20M public liability. $10M professional indemnity. Fixed prices. Full documentation every job. Call James: 0468 069 002.

Internal Links for CMS

  • [Road Line Marking](/services/road-line-marking/)
  • [Specialised Line Marking](/services/specialised-line-marking/)
  • [AS/NZS 1906.3 Retroreflectivity Guide](/blog/as-nzs-1906-3-retroreflectivity-guide/)
  • [Night Shifts vs Weekend Work](/blog/night-shifts-vs-weekend-work-line-marking-scheduling/)
  • [Thermoplastic Line Marking](/services/thermoplastic-line-marking/)
  • [Line Marking Victoria](/state/vic/)
  • [Line Marking NSW](/state/nsw/)
  • [Line Marking Queensland](/state/qld/)

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