17 July 2019
UPDATE: The public consultation and opportunity for feedback is now closed - thank you very much for your participation. We will post updates and progress on the main bridge page.
We are now having a public consultation on the current designs for the bridge. We are holding several events to present designs and gather feedback:
Our public information banners with more details on the bridge design are below or you can access a higher resolution pdf here.
You can also see slides from Tonkin Liu architect Matthew Burnett’s presentation on the bridge design here.
If you still have further questions we have addressed some common FAQs at the bottom of the page that will hopefully provide information you need.
What will the bridge be made of and how will it be finished?
The bridge will be laser cut steel, using techniques that minimise material use and maximise strength. The surface will be galvanised, which gives a weather-proof surface and won’t need additional maintenance. You can see illustrations on the banners, and also in the architect’s slide presentation, available on this webpage.
The design won a coveted prize at the Royal Academy Summer Exhibition for Architectural and Engineering excellence for use of materials. You can see the model on display until 12 August.
How strong will the bridge be?
The bridge is engineered to support design load of 2kPa, this is equivalent to approximately 25 people walking across it. The strength modelling has been done by the bridge team at Arup, a global engineering company that have built bridges around the world. They are supporting our project with pro bono contribution of their expertise.
Will the bridge facilitate vandals accessing the islands?
When the bridge is in its closed, or unconnected orientation, it will be locked and can’t be moved. By having no connections to the shore when closed, it minimises chances for transgressions. Alternative designs for a bridge that is both securable and accessible are shown in the architect’s slides. We decided a swing bridge was best for this site.
The islands are difficult to make completely inaccessible, but by providing an access that is obviously either ‘open’ or ‘closed’ the message is clearer that unauthorised access is trespassing. We’d like to underscore if trespassers cause damage to the historic site, it is a criminal offence.
Will the bridge be a target for vandals?
Because the bridge has many relatively slender ribs, it doesn’t provide a good canvas for vandals to paint. If it is defaced, the surface can be cleaned readily. The ribs are formed of 10mm thick steel and cannot be bent by hand.
Will the bridge allow disabled access to the islands?
The bridge will be safe for disabled people to cross, however the islands themselves are extremely steep and rocky. We will not be able to change the landforms as they are a protected Grade 1 historic listing. Access will be only as a ‘behind-the-scenes’ experience in closely supervised groups. We are finding ways to bring the experience of the Dinosaurs ‘to the mainland’ in the future. We have undertaken 3D scanning of the sculptures for up-close interpretation experiences for people who can’t get on to the islands.
Who will own and be responsible for the bridge?
Once built, the bridge will be part of the historic site, owned and maintained by London Borough of Bromley. Current access is made available to IDVerde (the park maintenance company) and Friends of Crystal Palace Dinosaurs.
Can I visit?
Yes! We will work closely with Historic England to manage the bridge access to the Dinosaur Islands. The new bridge will allow more public access for guided tours and volunteering activities such as our Palaeo Planting project. We anticipate being able to host at least a tour day each month, with up to 20 people on each tour.
What is the expected date of completion?
We are working towards an installation date of late October - November. We will have an official opening celebration widely advertised on social media.
What maintenance is needed?
The pivot mechanism will require biannual greasing. This kind of mechanism is common in engineering applications and does not need much attention, nor is it expensive. The bridge will also need sweeping of debris that may gather, for example fallen leaves.
However, the landscapes do need more regular maintenance, and the bridge will facilitate that. With the bridge, grounds work can be done more reliably on the Dinosaur Islands. We also hope the bridge will impel the park owners to have the waterways dredged. This needs to be done every 5-6 years.
Have Historic England and other historic and local organisations approved the bridge?
We have developed the plans for the bridge in line with input and enthusiastic support from Historic England. It meets their criterion of highest quality design to complement historic sites, and they are helping to guide the production of new management and access plans. All statutory consultees were invited to engage with our plans and provide input. So far we have positive support from the Victorian Society, the Norwood Society, the Crystal Palace Park Trust, the Crystal Palace Community Association, the Friends of Crystal Palace Park and Crystal Palace Transition Town.
Could you use the money for something else?
No. The funds raised were all specifically for re-instating a bridge to the islands. In official terms they are ‘restricted funds’, earmarked for this purpose only.
Moreover, to raise the significant funds needed for conservation work, we need to show that the site is reliably accessible. We also want to increase the first-hand, up-close experiences for volunteers, visitors and school children. This is the foundation of a ‘virtuous circle’ where the local, personal love for the site translates to more support from funders, which again gives better experiences for fans of the Dinosaurs.
Will my reply make a difference? What happens with the consultation responses?
Yes! Your reply will make a big difference, as it shows the level of community interest in the site. We include the responses in our planning application to the council. We will address any comments in our submission to the council, and they will consider whether they agree the project is a benefit to the site and the community.