Information

  • DGS No.

  • Audit Title

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UNDERGROUND TANK and DISPENSER REQUIREMENTS r.58

Underground flammable liquid and combustible liquid tanks

  • Vent terminals for underground flammable liquid (e.g. petroleum) tanks have a flame arrester fitted Note: Flame arrester may also satisfy the protective cage requirement below

  • There are no combustible materials (e.g. wood chips, dry leaves, rubbish) within 3 m of the vent pipes

  • The vent outlet is 4 m or more above ground level and for petrol at least 4 m laterally from any opening into a building and 2 m for diesel.

  • Ignition sources (e.g. electrics, overhead power lines) are outside the hazardous area (i.e. more than 1.5 m in all directions, from vent outlet to ground level

Dispensers

  • Emergency stop on each dispenser is regularly tested (e.g. monthly) for compliant operation

  • Hoses are free of cracks, fractures, leakage, or movement between hose and fittings

  • Impact protection is installed (e.g. bollards) or dispenser is located so potential damage (e.g. from vehicles) is minimised

  • Prominent ‘STOP ENGINE – NO SMOKING’ sign is displayed on or near the dispenser Note: The standard ‘no smoking’ warning symbol may be used in lieu of the words ‘no smoking’

  • Lettering on the ‘STOP ENGINE – NO SMOKING’ sign is at least 50 mm high

  • There is no latching device on the nozzle of self-service dispensers or where there is a preset facility (i.e. a dispenser where a value or quantity of fuel may be pre-selected

LIGHTING

  • Areas around the dispensers and payment unit are sufficiently lit to provide a safe working environment whenever the unit is available for service

LP GAS REQUIREMENTS

LP gas underground tanks for automotive use

LP Gas above-ground tanks for automotive use

  • An emergency information panel (EIP) placard is posted on above-ground tanks or at tank storage areas

  • There is a sign at the above-ground tank or tank storage area showing either standard warning symbols of at least 100 mm diameter or words saying ‘FLAMMABLE GAS’ and ‘NO SMOKING’, or a warning sign (in lettering of at least 50 mm high) prohibiting smoking and ignition sources If the area is isolated by a fence, the signs must be visible from outside the fence and all points of access

  • Each activation point for the emergency shut-down system has a sign with instructions (in red or dark lettering at least 20 mm high on a white background) on how to activate the system Note: The instructions may be given on same sign as ‘LP GAS EMERGENCY STOP’

  • Tanks are at least 6 m from any other above-ground tank, package store or filling area for flammable or combustible materials

  • Tanks are at least 2 m from any vent outlet of a flammable liquid store (e.g. vents for underground tanks)

  • Tank impact protection is at least equivalent to highway crash barriers (i.e. 700 mm high and at least 1.5 m from the tank

  • There are no combustible materials within 3 m of the LP Gas tanks

  • The site has a clear exit for fuel tankers so vehicles leave by driving forward without needing to reverse

  • Tanks that are no longer in service have been decommissioned and gas-freed

  • For single tanks with a capacity of 8 kL or less, there must be access to a tap with sufficient water pressure to operate a garden hose

  • Hose reels are installed near all tanks with capacities greater than 8 kL Note: Fire extinguishers of type 2A 60B(E) may be substituted for hose reels where there is a single tank with a capacity of 16 kL or less and the water supply is insufficient

  • There are enough hose reels to ensure that water hose nozzles can reach everywhere within 5 m of the tank and tanker standing area

  • The ground below tanks and for at least 1.5 m beyond each tank is either paved or resistant to saturation by flammable liquids

LP Gas Vehicle Filling

  • Communication system is available so attendant can speak to anyone using the LP Gas dispenser

  • Two spare standard metal automotive filler caps (spare fuel caps) are kept on site in case the vehicle fill point leaks

  • Signs with standard warning symbols of at least 100 mm diameter or words saying ‘STOP ENGINE – NO SMOKING’ (in red or dark lettering at least 50 mm high on a white background) are displayed at or adjacent to the filling area

  • Driver instruction signs are displayed in a readily visible location at each LP Gas dispenser (see Figure 5)

  • Dispensers have signs with LP Gas filling instructions (see Figure 6)

  • A sign with the LP Gas emergency procedure is readily visible outside the service station building and another sign with the procedure is prominently displayed inside the building or office

  • Hoses are free of cracks, fractures, leakage, or movement between hose and fittings, and are inspected at least monthly

  • Fuel is not released when the unconnected (i.e. not attached to a vehicle fill point) nozzle trigger is operated

  • For dispensers that are open to the public, the nozzle can be locked to the dispenser when the unit is not available for operation

  • Self-service dispensers are supervised from a control centre (console) by an attendant who is specifically in charge of fuel dispensing

LP Gas Exchange Cages

  • The capacity of each cylinder within a cage is 25 L or less

  • Cylinder cages are outdoors

  • The maximum aggregate capacity of cylinders per cage, or groups of cages, is 2,500 L

  • The front of each cage has a dangerous goods class label (i.e. red diamond-shaped sign for Division 2.1 f lammable gases) measuring 250 mm square The front of each cage has a ‘FLAMMABLE GASES – NO SMOKING, NO FLAME’ warning sign Note: Standard warning symbols may be used instead

  • Cages are separated by at least 3 m from groups of cylinder cages (no more than 2,500 L per group)

  • Cages are separated by at least 1 m from any building opening

  • Cages are separated by at least 1 m from the hose reach of an LP Gas decanting cylinder

  • Cages are separated by at least 1.5 m horizontally from any ignition source

  • Cages are separated by at least 0.5 m vertically from any ignition source

  • Cages are separated by at least 1.5 m from any pit, drain, basement, public place 5 or fuel dispenser

  • Cages are separated by at least 5 m from any LP Gas tank Cages are separated by at least 3 m from any above-ground tank containing dangerous goods other than LP Gas

  • Cages are separated by at least 3 m horizontally from any accumulation of combustible materials (e.g. rubbish bin, firewood, engine oil)

  • Cages are separated by at least 2 m from any structure limiting access past the cage

  • Cages are clear on at least two sides from any wall, solid display or other item that could restrict air flow

OTHER DANGEROUS GOODS FACILITIES

GROUND LEVEL CLASS 3 or C1 TANK STORAGE

LP GAS TANK - VAPOUR WITHDRAWAL

OPERATING PROCEDURES

  • There must be no smoking or ignition sources within 3 m of any point where flammable liquid might be exposed

  • Vehicle engines must be switched off while refuelling

  • Fill and dip caps (e.g. underground tanks) must be maintained in a liquid-tight condition

  • There are procedures to manage spills, especially a spill of flammable liquid on clothing

  • There are no combustible materials in the fill point spill box for underground tanks

  • There is no liquid in the spill containment sumps (if fitted) under spill boxes

EMERGENCY STOPS

  • Main emergency stop is available to shut off power to all dispensing units

  • Main emergency stop is readily accessible in an emergency (i.e. there is clear access to the emergency stop with no obstructions such as racks, shelves or spill kits)

  • Main emergency stop activation device (e.g. switch or button) is clearly labelled ‘EMERGENCY STOP’

  • Main emergency stop is routinely tested to ensure it functions properly Note: Every emergency stop point at LP Gas installations must be tested at least monthly

FIRE EXTINGUISHERS

  • Minimum of two powder-type fire extinguishers provided at service station

  • Minimum rating of at least 2A 60B(E) per extinguisher

  • Extinguishers are located near dispensers or other item being protected

  • Extinguishers are accessible without undue danger in an emergency

  • Fire extinguishers are routinely serviced at least every 6 months

  • Each extinguisher location is marked by a ‘FIRE EXTINGUISHER’ sign mounted at least 2 m above ground

DOCUMENTATION AND RECORDS

  • Inventory records are maintained and reconciled for flammable and combustible liquids received, stored and dispensed

  • Records are maintained for operational training and retraining in use of the LP Gas system including, maintenance, inspection and managing abnormal incidents and near misses

EMERGENCY PROVISIONS

  • Emergency procedures are available for fire, spillage, accident, equipment failure and other potential abnormalities or emergencies

  • Employees are trained in the use of emergency equipment

  • Emergency plan is regularly reviewed and updated as required

  • Spill kit is complete and readily available

  • Telephone is located adjacent to the control console

  • List of emergency telephone numbers, including the fire brigade, ambulance services and other emergency responders is prominently displayed near the control centre (console) telephone

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