Millennium stadium plc visitors would walk up one of the stadium s famous spires to reach the zip line a stairway and zip line on the roof of the principality stadium in cardiff have been proposed.
Millennium stadium roof.
The structure has now become the icon for the millennium celebrations in london.
Uefa chiefs tried to close the roof on the millennium stadium for the upcoming champions league final over fears terrorists could fly a drone into the ground.
The dome roof design the innovatory structural concept for the roof of the millennium dome is seemingly simple.
Bosses are said to have held secret.
And the north stand right bt stand.
Specially insulated to maximise its acoustic effect the roof traps the roar of the crowd so that it reverberates around the seating bowl.
This roof takes a whole 20 minutes to open and close due to.
The atmosphere at the principality stadium previously known as the millennium stadium is the result of a combination of unique design features with the biggest factor being the retractable roof.
Millennium stadium retractable roof the total roof cover measures 223m long and is supported by cables attached to four 93m tall pylons.
It was then taken up by the engineers at buro happold who developed the concept of the tensioned fabric and cable roof.
Mike otlet of ws atkins designed the stadium s retractable roof.
The building contractor was laing and the structural engineers were ws atkins.
The stadium was designed by a team led by rod sheard at lobb sport architecture who later merged with hok sport to become populous.
The pylons comprise two 220m main steel trusses crossed over by five lateral trusses on each section of the retractable roof.
Sporting the first fully retractable roof in the uk the venue is at the leading edge as a multi purpose multi faceted event venue.
Arranged radially over the surface are 72 tensioned steel stringer cables in pairs of 32mm diameter steel spiral strand.
Since opening in june 1999 the millennium stadium has welcomed on average over 1 3 million visitors per year.