Roadsign

Cities with major arterial slow zones and high-crash corridors can post signs on those streets to reinforce the importance of adhering to the speed limit.

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Speed limit

Please note this advice is general in nature, and is based on Australian legislation. If you are unsure please check with a Dangerous Goods consultant.

US highwayspeed limit

The legislation typically reads as follows: the bund must have sufficient capacity to contain 110% of the volume of the largest container; or 25% of the total volume stored on the bund, whichever is greater.

School Crossingsign

Communicating new speed limits via signage and markings is essential for effectively managing speeds. Laws and policies about where speed limit signs should be placed vary from city to city. Placing identical speed limit signs on every block of a corridor where the speed limit never changes is costly and does not have proven speed-management benefits. However, preliminary studies out of Seattle show that increasing sign density to one sign every 1/4 mile from one sign every mile does result in lower speeds and fewer crashes. At a minimum, cities should follow the guidance below about speed limit signs, making specific decisions about sign density and placement based on local context.

Cities with slow zones should post the limit for that zone at gateways into the designated area. On-street markings can also be utilized at the points where the speed limit changes or at key entrances to slow zones.

Cities with default speed limits or category speed limits should post “Speed Limit X Unless Otherwise Posted” signs at gateways into the city: highway off-ramps before an intersection, major streets at city limits, bridge and tunnel entrances, ferry terminals, and airport car rental facilities. Signs should be placed on any street that diverts from that default limit.

Yieldsign

One waysign

However storage requirements do vary depending on the product being stored – typically, flammable liquids, corrosive substances, oxidising agents and organic peroxides must be stored in compliant dangerous goods safety cabinets rather than on bunds.

This means a 4 drum bund (sump capacity 230 litres) can be used to store up to 4 x 205 ltr drums (205 x 110% = 225.5 litres, 820 x 25% = 164.0 litres) or 46 x 20 litre drums (20 x 110% = 22.0 litres, 960 x 25% = 230 litres), but cannot be used to store a 1,000 ltr IBC (1000 x 110% = 1100.0 litres). If you would like to discuss your needs further, please contact us on +61 2 4827 0222, or email enquiries@spillshop.com.au.

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