The company of choice.

Doors in underground stations not only have to meet fire protection, security and safety requirements, but in particular they have to be able to handle pressure. This was also one of the key requirements for the doors of the new Crossrail stations in London. Here, security doors were required that had to be fire, sound and pressure resistant. Teckentrup was able to offer appropriate door solutions with corresponding conformity, which also complied with the revised, stricter version of LPS 1175 for proof of product certification. In addition, all required values for soft impact tests, structural strength data, „U“ values, cycle tests and life cycles could be met. This tipped the scales in favour of the German manufacturer when the project was awarded and, with the stations Whitechapel and Liverpool Street marked the start of a successful collaboration.


The construction project.

Loss Prevention Certification Board and Secured by Design

Crossrail is a rail project still under construction in London. It is currently one of the largest rail projects in Europe. It will be a new suburban rail link connecting parts of Berkshire, Buckinghamshire and Essex with the central and south-eastern districts of Greater London, taking pressure off the London Underground. It will run for 60 miles from Reading and Heathrow in the west through London to Shenfield and Abbey Wood in the east. The railway is expected to serve around 200 million passengers a year when completed in the mid-2020s. The rail route comprises a total of 41 stations, ten of which have been newly built and 30 of which have been upgraded. Overall responsibility for the project lies with Crossrail Ltd, which has been owned by Transport for London (TfL) since 2009.



The challenge.

Loss Prevention Certification Board and Secured by Design

The starting point for the collaboration between Teckentrup and Transport for London was the construction of Liverpool Street Station. The German door manufacturer supplied 200 steel doors and door elements, solely for this construction phase. Teckentrup worked closely with the construction team on site to find a solution for a particular challenge: a 5 m x 5 m door with two integrated SR3 panic doors (similar to the European standard RC4), which were to be cladded with a material that matched the look of the stations. Teckentrup supplied a certified product for this and thus fulfilled its promise to the customer as a problem solver.

LPS 1175 C5 (SR3) with BS EN 1125 escape hardware

Project example: Whitechapel Station.

Part of the major transport project is the extension of Whitechapel station. This station is an important interchange between London Underground and London Overground. The station of the new Elizabeth Line is closely interwoven with existing transport services. The platforms of the new line are located to the north of the existing station, with access via escalators. The work, carried out by BBMV (Balfour Beatty, Morgan Sindall and Vinci Construction), includes five manholes and 500 metres of platform. A particular challenge in the construction of such a station is access, as this is exclusively via manholes for all works. 

The project planning for this construction phase began in 2016, and the first installations started in July 2017, starting with the shafts and special pressure ventilation areas. The shafts go down 30 metres and cover six levels underground. Here, doors with 5kPa pressure protection on both sides, fire retardancy and sound insulation were required to maintain the required pressure needed for airflow into the station and tunnels. In a potential fire scenario, the doors must also be able to withstand higher pressures as fan speeds, and consequently pressure, increase.

Underground railway stations place high demands - also on the doors. Here, doors with pressure protection, fire resistance and sound insulation were required.

EI60 fire with smoke seals, SR3 security with BS EN 1125 panic bar inside & lever/key access
BS EN 1125 panic exit with touch bars
EI60 Fire, SR3 Security with door monitoring

Made to measure.

Ducts also generate high sound levels. To mitigate sound transmission, a double door solution was developed specifically for the Crossrail project. Teckentrup‘s DW67 door with a sound level of 57 dB was combined with a second T60 door with a sound level of 42 dB, a pressure of 5 kPa in both directions, SR3 security and a fire resistance of 120 minutes integrity and 60 minutes insulation. The door sizes here were 3.2 m2, typical for the high specification required.

The project was therefore a special challenge not only on the British side, but also for the development and production departments on the German manufacturer‘s side. Close coordination between the two countries was necessary to get the specially adapted product into production as quickly as possible.

EI60 fire with smoke seals & SR3 security

"Acting as an extended arm of Teckentrup UK to our door production in Germany, we managed to quickly implement the product planning for the new and unusual products and to manufacture the products on time. After all, this is a product with new specifications that specifically meets UK standards. By now, these can be produced without much extra effort, which was imperative for the large quantities, in order to not compromise the progress of the project."

Björn Jasperneite I Technical developer and project coordinator on the German side, responsible for a smooth exchange between the different agencies.

EI60 fire with smoke seals, SR3 security with BS EN 1125 panic bars
SR3 security with smoke seals W=4200 H=3960 - big!

Customised manufacture: In addition to the special double-door solution, the door sizes of 3.2 m2 and over were also typical of the high specification required.

After the shaft work was completed, construction work started on the other areas - the platforms, the side tunnels and the administration buildings. The Group Station Manager‘s (GSM) building includes offices for management as well as plant and equipment rooms on the lower floors. The building is in close proximity to the platforms and has 65 doors, many of which are external doors with SR3 certification. With the completion of the project in 2021, additional exterior doors were installed in the final phase, some with special brass finishes that blend perfectly with the station‘s architecture in terms of design.

Photo: © Crossrail Ltd

Our key elements.

  • High service orientation 
  • Comprehensive advice 
  • Global project management
  • Certified products, also in special dimensions
  • Quick quotation
  • Adherence to delivery dates

Large construction projects are under great cost pressure. Therefore, every Teckentrup product is embedded in a process optimisation concept. The company relies on a comprehensive service - from planning to the operation of the products. Teckentrup is at your side with consulting and planning services, ensures just-in-time delivery if required and can also be reached for short-term problem solutions during the construction phase at any time. So you can be sure that you will receive the right solution for all requirements of your property and that your needs for design, security and service will be met.

SR3 Security doors with brass sheets leaves bonded to leaves and BS EN 1175 panic escape from inside
SR3 security doors in stainless steel grade 216 (V4A)
E60 Fire with smoke seals SR3 security, key & lever entry, BS EN 179 lever escape from the non-hinge side

"Our approach is solution-oriented. Ensuring the conformity of our products is certainly a matter of course, but above all considering the requirements for the specific application and the integration into the entire ecosystem of the station was seen as a key ob-jective. Sharing our expertise to provide suitable solutions to the BBMV team was crucial to the success of the project."

Jim Rodger I Managing Director, Teckentrup UK Ltd.


The solution.

To date, Teckentrup has supplied almost 2000 steel doors throughout the project for the following purposes:

  • Doors along the platforms, tracks, station bridge and station concourse
  • Doors for plant and equipment rooms, air supply turbines and manholes 

Requirements of doors up to 4.2m x 4m in size:

  • 5kPa pressure
  • Security class SR3 (comparable to European standard RC4)
  • E120I290 fire resistance and insulation class
  • Sound insulation values of 57dB and 42dB

Not at least because of this solution-oriented approach, Teckentrup became the main supplier for the sub-sequently planned Whitechapel station as well as many other stations along the new railway line. Meanwhile, Teckentrup has become an important partner for the contractors involved, who are consulted on all questions relating to doors: whether it is the integration of the doors in accordance with standards, a suitable appearance, fire protection or safety systems, the company always offers solution-oriented approaches as part of the project team.

Teckentrup‘s understanding therefore also includes proactively pointing out potential areas of concern, possible modifications, and solutions before going to the construction site and starting the installation. This ensures that the stations are up and running on time. Errors that jeopardise the construction progress are detected in advance and can therefore be prevented.   

A project usually starts with a request for a specific door and its specification, but it usually becomes clear very quickly that without an integrated and detail-ori-ented approach to the building and the design of the construction project as a whole, no ideal solution can be achieved. Teckentrup has understood this.

EI60 fire with smoke seals & SR3 security
EI60 fire with smoke seals & SR3 security


BS EN 1125 panic escape

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