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The building faces south west over Cardiff Bay, it has a glass façade around the entire building and is dominated by a
steel roof and wood ceiling. It has three floors, the first and second floors
are accessible is to the public and the ground floor is a private area for
officials. The building was designed to be as open and accessible as possible,
the architects,
the Richard Rogers Partnership (RRP) said "The building was not to be an insular, closed edifice. Rather it would be a transparent envelope, looking outwards to Cardiff Bay and beyond, making visible the inner workings of the Assembly and encouraging public participation in the democratic process. "The main area in the building is the debating chamber, called the Siambr, including a public viewing gallery. Other areas of the building are the Neuadd, which is the main reception area on the first floor and the Oriel on the second floor. The three committee rooms and the Cwrt are on the ground floor.
the Richard Rogers Partnership (RRP) said "The building was not to be an insular, closed edifice. Rather it would be a transparent envelope, looking outwards to Cardiff Bay and beyond, making visible the inner workings of the Assembly and encouraging public participation in the democratic process. "The main area in the building is the debating chamber, called the Siambr, including a public viewing gallery. Other areas of the building are the Neuadd, which is the main reception area on the first floor and the Oriel on the second floor. The three committee rooms and the Cwrt are on the ground floor.
The design criteria required sustainability, including a design
life of 100 years, the use of local Welsh materials, minimal energy consumption
and waste, the use of renewable technologies and for it to be exemplar in terms
of sustainability.
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Interior and contents
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All committee meetings are held in the three committee rooms, each
can accommodate 24 people. Committee rooms 1 and 2 can be fully opened when
they would hold 34 people. Members of the public can access the committee room
viewing galleries from the Neuadd and holds 31 people.
The Neuadd (English: Hall) is an area that the public enter the building. This first floor
level houses the public reception and information area. The reception desk
features a large slate and glass desk and a canopy above it. Stairs to the left
of the reception desk leads to the Oriel on the second floor.
The Oriel (English: Gallery from Old French)
is a public sitting and exhibition area, with views of the Siambr and committee
rooms from above. The glass flooring, which surrounds the funnel, enables visitors
to look down into the Siambr two floors below. The furnishings selected for the
Neuadd and Oriel areas were from the Danish company, Fritz Hansen. The chairs
used were Swan chairs, which were originally design by Arne Jacobsen in 1958.
The Cwrt (English: Courtyard)
is an area on the ground floor including a members' tea room, a media briefing
room, and provides access to the Siambr and committee rooms. It is a security
controlled area and is accessible only to AMs, officials of the National
Assembly and members of the press.
The undulating timber ceiling that spans across the various
sections of the building was manufactured and installed by BCL Timber Projects
(sub-contracted by Taylor Woodrow) and is made from Canadian sourced Western Redcedar.