Flammable liquids that give off a lot of flammable vapours are those that are made up of relatively small molecules. Smaller molecules have weaker intermolecular forces of attraction between the molecules. These types of substances require less heat energy to break the bonds between the liquid molecules (causing them to escape as flammable vapour).

Emergency equipment safetySigns

To keep the concentration of combustible vapours within the store below the workplace exposure standard, combustible liquids storage facilities must have sufficient ventilation — whether it’s natural ventilation or mechanical ventilation.

Compared with flammable liquids, oils are made up of heavier hydrocarbons that have around 18-34 carbon atoms per molecule. The intermolecular forces of attraction between the molecules are a lot stronger than the forces of attraction that would exist between the small molecules that make up liquids such as petrol.

Popularly known as hazard signs, these are potential hazard safety signs that improvise the safety of every individual present on the construction sites. Most of the warnings on these safety signs are written with black text on a yellow background. There’s a triangular shape that addresses the dangerous situation. For example – ‘slippery when wet’.

Prohibition signs are used in places where some actions are prohibited. Actions like not being able to use your mobile phones, smoking not allowed in a particular area, entry not allowed and so on. The black text is written on a white background with a red circle encircling the line. Plus, there’s an image displaying that specific action to make visitors understand it better.

Safetysigns andsymbols with names

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As the intermolecular forces of attraction are stronger in substances such as engine oil, they will not burn at room temperatures.

Spill containment capacity = 100% of the largest package within the store + 25% of the aggregate capacity of the store + 10% of storage capacity between 10,000L and 100,000L + 5% of the storage capacity exceeding 100,000L

Workplace safetysigns andsymbolsandtheirmeanings

To determine if a substance is flammable, you must define the flash point of the liquid. The flash point is the lowest temperature that the liquid releases enough vapours to ignite in the presence of an ignition source.

The capacity of the spill containment sump depends on the quantity of oils being stored within the unit. The required spill containment capacities according to AS 1940 are shown below:

A C2 combustible substance would have to be subject to temperatures greater than 150 °C for it to produce enough flammable vapours to ignite in the presence of an ignition source. Therefore, due to these chemical properties, oils are less volatile substances than flammable liquids.

Hazardsafetysignsin healthcare

Joining the team as a Dangerous Goods Storage Consultant, Melissa Hampton became Storemasta's Marketing Manager in late 2021. With extensive knowledge and experience in chemical compliance, Melissa is responsible for leading the Marketing team and helping shape their marketing strategy. In her spare time, you can find Melissa hiking, swimming and enjoying the great outdoors in beautiful north-west Tasmania.

This Standard outlines the design requirements for outdoor and indoor combustible liquid storage facilities — as well as the segregation and separation requirements for the positioning of combustible liquids stores.

If incompatible Dangerous Goods mix, it can result in violent chemical reactions that could harm people and property. To reduce the risk of chemical reactions, flammable and combustible liquids must be segregated from other incompatible classes of Dangerous Goods.

10 safetysigns andtheirmeanings

To reduce the risk of harm to people and property, flammable and combustible liquids such as oils must be separated from ignition sources and protected places. Combustible liquids storage facilities must be separated from all ignition sources by a distance of at least 3 metres. Stores of combustible liquids must also be separated from onsite protected places by at least 3 metres.

Mechanical ventilation systems installed on combustible liquids storage facilities must be intrinsically safe. Therefore, natural ventilation systems are a more practical solution and the preferred ventilation option.

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Segregate: These combinations of dangerous goods should be segregated by at least 5m and kept in separate compounds or building compartments.

Yellowhazard signs and meanings

When flammable liquids burn, it’s not the liquid that burns, but the flammable vapour that is dispersed from the flammable liquid. The more easily a liquid gives of flammable vapours, the more easily it will ignite in the presence of an ignition source.

Even though engine oils are not classified as Class 3 Flammable Liquids, they are still classed as Dangerous Goods. Therefore, engine oils must be stored in a safe, compliant manner. If engine oils are subject to higher temperatures, there is a possibility that they would produce enough flammable vapours to ignite in the presence of an ignition source.

Safety signs have an objective to serve as a reminder and be of benefit to those who aren’t familiar with a construction site or its process. This is why it’s crucial that everyone visiting the construction site must understand the reasons behind the usage of safety signs. As per the Australian legislation, emergency safety signs must be used in any occupational environment, whether it’s an office building or a construction site. Complying with these laws, it’s beneficial as well as essential.

Workplace safety signage is a must-have requirement on all Australian construction sites.  With the help of these emergency safety signs, one can easily prevent accidents, injuries and ensure that all the staff and visitors are aware of the life-threatening hazards. Without the hazard warning and safety signs in Australia, employees and visitors will be left unaware of the risks and might find themselves in workplace health and safety trouble.

Engine oils normally have a flash point greater than 150 °C. This means that they’re not a Class 3 Flammable Liquid, as flammable liquids must have a flash point below 60 °C.  Therefore, engine oils are classed as combustible liquids.

To ensure that any potential spills within the combustible liquids storage container are contained in a safe and compliant manner, all combustible liquids storage facilities must have a spill containment sump in the base of the storage facility.

Healthandsafetysigns and meanings

Isolate: This requirement applies to organic peroxides, for which dedicated stores or storage cabinets are recommended. Adequate separation from other buildings and boundaries is required.

You already have innumerable reasons why you need emergency safety signs installed on your construction sites. Don’t wait anymore, make surroundings safer for the staff and visitors.

Therefore, if you’re storing your engine oil in an indoor location, you should choose a safety cabinet that’s been manufactured in full conformance to AS 1940. This type of safety cabinet is referred to as a flammable liquids storage cabinet or flammable cabinet.

On the whole, if you want your construction sites and workplaces to be safe, you must shop safety signs at  Safety Civil only.

Following are a few emergency and safety signs used by Australian construction sites and businesses to abide by the workplace health and safety standards.

Crude oil is formed deep underground from the decomposition of organic organisms such as algae. After millions of years of geological heat and pressure, the organic matter transforms into oil and gas.

A building where people are employed within the property boundary, including offices, warehouses, manufacturing or processing areas, amenities and other dangerous goods stores where quantities exceed minor storage.

For businesses powered by their equipment or their fleet, engine oil is an essential product that may be stored in bulk onsite. Whether you’ve got just a few drums in your workshop or you’re carrying thousands of litres, engine oils must be stored in a way that reduces your risk. To ensure the safe storage of motor oil, you must first understand the chemical properties of the substance. This blog highlights the chemical properties of engine oil and answers the commonly asked question, ‘Is oil flammable’. We’ll also give you tips on how to store oil safely in both outdoor and indoor locations.

Oils are regarded as a less volatile substance than flammable liquids due to their flash point of 150 °C, but they are still subject to safe storage requirements.

Engine oils are viscous petrochemicals that have been derived from the fractional distillation of crude oil. As you’re probably aware, oils are immiscible with water — which means that the two liquids won’t mix.

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The Australian Standard that outlines the requirements for the storage and handling of combustible liquids is AS 1940:2017 - The storage and handling of flammable and combustible liquids.

A compliant natural ventilation system can be achieved by having two walls of a combustible liquids store open to the outside atmosphere. These openings on the store can be cladded with a wall of fixed louvers.

Hazard signs andsafety symbolsAustralia

Spill containment capacity = 100% or the largest package within the store + 25% of the aggregate capacity of the store + 10% of storage capacity between 10,000L and 100,000L.

A few examples of mandatory safety signs are: ‘Headgear must be worn’, ‘Foot protection must be worn in this area’, ‘High visibility vests must be worn’ and so on. These safety signs represent specific actions that must be taken in particular areas and specific situations of a construction site. The signboard has a white background with black text and a blue circle over the text to denote that it’s mandatory.

You might have seen white text scribbled over a red background. These are the fire safety signs that aid visitors and workers to find the location of fire extinguishers along with other safety equipment in an event of a fire. These signs safeguard everyone from a panicky situation when a place is on fire.

If you’re storing your oil indoors, you must select a safety cabinet that’s been constructed to meet the requirements of AS 1940.

Compatible: Dangerous Goods of the same Class should be compatible; consult SDS or suppliers about requirements for individual substances.

As we’ve discussed in this blog, oils are not classified as Class 3 Flammable Liquids because they don’t emit enough flammable vapours to ignite (in the presence of an ignition source) at temperatures below 60 °C. Even though engine oils aren’t classified as flammable liquids, they must be stored in full conformance to AS 1940 - the storage and handling of flammable and combustible liquids.  You can achieve safe storage of your oils by following the requirements in the Australian Standard. You can also learn more about safe chemical storage by accessing our free eBook How To Reduce The Risk Of Flammable Liquids In The Workplace. We’ll also introduce you to our effective 4-step risk control methodology — that you can easily apply to your own workplace. Get your copy of our helpful guide for free today.

Danger signs are used to warn you of the possibility of potential hazards, dangerous goods, equipment that might be harmful or life-threatening. You’ll find black text in red ovals with the word ‘Danger’ written in white. This is enough to warn you of the possibility of danger.

In a hectic workplace, sometimes it becomes really difficult to locate emergency facilities, services and types of equipment. These emergency information safety signs are designed to help out people find the emergency exits, entries, first aid kits and other important stuff. You’ll always find white text on green background when it comes to emergency information signs.