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All posts tagged retractable roof

Completion of roof lifting and installation of the last few of 12 units of the retractable roof is expected in April, according to Inzhtransstroy-SPB, the general contractor of the stadium construction on Krestovsky Island in St. Petersburg, The field will then be cleared of the cranes and it will be possible to complete the installation of the roll-out field systems.

The roof of the stadium on Krestovsky Island consists of two parts, of the fixed – non-moving part – and the retractable part. During bad weather and the cold season, the roof can be closed airtight. Together with the climate control system, this will allow the stadium to maintain comfortable conditions all year round. Even in winter the temperature will be above 15 degrees Celsius.

The sliding part of the roof consists of twelve blocks – six in each half, the northern and the southern ones. The blocks are assembled directly on the field, and then raised to a height of 62 metres by two cranes, with the lifting capacity of 750 and 600 tons. Each block weighs more than 150 tons. The whole procedure takes a few hours. On the roof the units are installed on special trolleys, which will then be moved and shifted with powerful jacks.

The finishing of facilities in sector A at “0” mark are being completed. The floor tiling is finished, as well as wiring. From the sporting point of view this is one of the most important stadium sectors. The dressing rooms for athletes, warm-up areas, showers, trainers’, referees’ rooms are located there. The athletes come out to the field from sector A. The entire finishing of sector A should be completed by the end of March – except for the lay-in ceilings, which for technological reasons will be the last to be installed.

To create the humid-thermal conditions inside the stadium, to eliminate leaks and create a complete roof layout with bird’s-eye view – the works to cover the fixed roof are being conducted. A special vapour barrier film is being placed on the roof, then the subsystem is mounted above, and after that the thermal insulation with an aluminium seam roofing on the top. All works on the roof are seriously affected by weather conditions, so the coming of spring has significantly accelerated the process.

Active work to hem roof eaves, adjacent to the stained glass panels, is in progress. At a height of 35 metres they are mounted with the help of long mobile telescopic derricks.

The installation of seats for fans is continuing. So far 45,580 seats have been installed, which is nearly 80% of the total number. The planned rate of installation is 500 seats per day.

The installation of stained glass panels is fully completed at mark “14”. 80% of stained glass designs are installed at the highest, panoramic mark “42” (i.e., at a height of 42 metres). Some stained glass panels will be installed later to leave some special openings for technological requirements, cabling, access to the outer facade etc.

On the hill along the stadium perimeter, the work on casting concrete cascading staircases is in progress. Work on the stairs construction began at the end of February, today it is 20% complete.

The area around the stadium is being equipped. At the end of March, a small ring road 1.5 kilometres long will be ready for asphalt covering, and then work on the outer ring road will begin.

The builders are entrusted with a task to complete the general construction works by City Day on May 27. Further work will be carried out in the indoor stadium, as well as balancing and commissioning procedures. All works on the stadium in the western part of Krestovsky Island will be completed according to the current state contract in December 2016.

The stadium was 84% complete on March 16th 2016, including:

  • Concrete works 99%
  • Metal framework of the fixed roof 100%
  • Covering of the fixed roof 30%
  • Metal framework of the roll-out field 100%
  • Facade systems 82%
  • Stained glass panels 91%
  • Elevators and escalators 90%
  • Electricity supply systems 71%
  • Heat supply systems 73%
  • Water and sanitation 88%
  • Fire extinguishing system 80%
  • Air conditioning and cold supply systems 62%
  • Low current systems 76%
  • Zones of admission original inspection (general construction work) 77%
  • Zones of admission original inspection (building services systems) 64%
  • Building services systems of the roll-out field 35%

Top truss goes into Singapore National Stadium

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The highest roof truss has been installed in the new National Stadium at Singapore Sports Hub, an important step towards the completion of this new Singapore landmark and the crown jewel of the Sports Hub, with the entire construction project on track to open in April 2014.

When completed, the new National Stadium will have the largest free-spanning dome roof in the world, covering 310 metres wide. This dome will incorporate a moving roof, ensuring the stadium is protected from extreme weather conditions. The result is a stadium design with an integrated bowl cooling system that uses less than 15 per cent of energy as compared to a conventional air-conditioned stadium.

Mr. Lawrence Wong, Acting Minister for Culture, Community and Youth, visiting the site, said:

I’m glad that we’ve reached this major milestone in the construction of the National Stadium. This testifies to the commitment and dedication of our partners to deliver the project on schedule. I’ve talked to many people in the sports community, and we are all excited about the completion of the Stadium and the Sports Hub.

Mr. Ludwig Reichhold, Managing Director, Dragages Singapore Pte. Ltd. said:

Designing and building the largest free-spanning dome in the world is definitely not an easy feat and much credit goes to the very close working relationship between the design and production teams. Once finished, we will have constructed a fixed roof which has around 12,000 elements – along with a retractable roof over the stadium pitch with the approximate weight of about 1,000 tons – a testament to the high level of engineering and ingenuity that has gone into this innovative design. Levering the highest truss into place is a defining point in time and a symbolic pillar in the build of the National Stadium, and keeps us on track to finish the project by April 2014.

The highest truss of the new National Stadium at Singapore Sports Hub has been completed – measuring at approximately 77.5 metres above pitch level.

The highest truss of the new National Stadium at Singapore Sports Hub has been completed – measuring at approximately 77.5 metres above pitch level.

New Atlanta stadium for 360 Architecture

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The Georgia World Congress Center Authority (GWCCA) Board of Governors has moved quickly to approve a contract with 360 Architecture as the lead architect on the new stadium project, signaling the official start of the design process. Falcons President and CEO Rich McKay said:


Selecting a lead architect is a very significant decision in the new stadium process. 360’s creativity and qualifications made them the best fit for this project, and we believe they will put us in the best position to deliver the ultimate game day experience for our fans, as well as serving at the highest level the needs of current Georgia Dome events and other new events in the future.


Bill Johnson of 360 Architecture said:


A progressive spirit of innovation exists here in Atlanta. Together, we have the opportunity to set the bar for dynamic, flexible, and sustainable stadiums by which all others will be measured.


On 17 April the GWCCA and the Atlanta Falcons jointly selected architectural firm 360 Architecture as its Apparent Awardee to provide lead design services. The estimated $1 billion stadium will be built with $200 million from public bonds, with the rest coming from Atlanta Falcons owner Arthur Blank.


We collectively selected 360 Architecture, an exceptionally qualified firm. Their design approach as evidenced throughout the evaluation process, reflected their design goal to ‘Challenge Everything, Embrace Change and to Reject current thinking’ for stadium design


said GWCCA Executive Director Frank Poe.


The Request for Qualification (RFQ) process, which began late last year, vetted professional services based upon their qualifications and fit for the new stadium project. The contract for architectural services agreement identifies EEO participation and establishes $35 million as the gross maximum price for design. With a contract executed, 360 Architecture can now begin engaging the stadium owner and developer on specific programmatic elements and design preferences.


360 Architecture has shown two designs for the new Atlanta Stadium but said that nothing is certain yet.

360 Architecture has shown two designs for the new Atlanta Stadium but said that nothing is certain yet.