1. Bottle(s) cannot be placed closer than 1m to a door.

2. Bottle(s) cannot be placed closer than 2m to an open drain, where the gas can gather if the bottle leaks.

3. Bottle(s) cannot be placed closer than 5m to an electrical switch, motor, generator, pool pump etc.

4. Bottle(s) cannot be placed closer than 1m to the side of a window unless there is at least 300mm between the bottom of the window and the top of the bottle and a non combustible roof has been placed between the window and the bottle.

5. Bottle(s) cannot be placed closer than 1m to a boundary wall, unless the wall is a double brick "firewall" > 1.8m tall, with no ventilation gaps in the wall.