Aberdeen City Council said the dry riser
at the block had last been checked and was in full working order at the start of last month.
"In the west of Glasgow, where we recently had a spate of dry riser
outlet valves stolen, our neighbourhood wardens and housing officers check every dry riser
point in the multi-storeys during their patrols.
Bush Fire provides companies with a service to test the effectiveness of dry riser
systems in order to meet the requirements of insurance companies and fire and licensing authorities.
"The vandalising of these dry riser
outlets could have had serious consequences."
Blast has also hosted sessions for Johnny Dickinson, nominated as Best New Musician in Radio 2's Folk Awards, and new band Dry Riser
"They need that entrance to access a dry riser
and reach water supplies."
The youngsters have been seen ripping the hoses from dry riser
outlets and then risking their lives by using them to scale down the sides of derelict multi-storey blocks.
On each floor there was a locked dry riser
cupboard which housed a valve solely for the use of firefighters.