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The Gate, Rising Barrier & Rising Button Box

For Sesame systems with a total rise less than 500mm British Standards state that a gate or barrier at the top landing or on the lifting platform is not necessary. The wheelchair user however must be prevented from falling off the platform. We have designed our patented Wheel-Stop system that rises 100mm around the platform before the lift rises containing the wheelchair wheels. It is recommended that a Button Post or a Rising Button Post should be present for the user to hold onto when the lift is in motion.

For Sesame Systems with a total rise over 500mm but less than 1000mm British Standards state that a Gate or Barrier must be present at the top landing to prevent anyone falling down a level. The wheelchair user must also be prevented from falling off the platform, therefore we install the Sesame Wheel-Stop on all lifting platforms below 1000mm.

For Sesame Systems with a total rise above 1000mm British Standards state that a Gate or Barrier must be present at the top landing level, and the lifting platform must enclose the user on all four sides with a gate or barrier at the entrance to the platform.

The Gate Mechanism

As the gate is permanently on show, Sesame provides a gate mechanism ready to accept a sub contracted site specific gate. Sesame can order a gate to the clients requirements however it is more common for the client or architect to use their existing on site sub contractors to fabricate the gate. Sesame will communicate with the gate manufacturers and architects to ensure the gate and gate mechanism connect and the finished product works with the site to the highest standard of finish. The gate mechanism is fitted with safety pressure switches that reverse the travel of the gate when obstructed.

The Gate Mechanism has been designed by Sesame to take up as little space as possible in the upper pit. This option of upper level or on lift protection is therefore chosen over the Rising Barrier when the site can not accommodate larger pit depths. The Gate Mechanism fits into the pit area required for a standard Sesame System.

On lift Gate Mechanisms

For Sesame Systems with a total rise over 1000mm, when a user enters the lifting platform and presses the "Up Button", the gate, automatically closes behind the user. This, with the fixed handrails, fully encloses the user on the lifting platform. Again the gate mechanism is permanently on show however as a different gate is fabricated for each site it can be designed in a way to blend into the surrounding handrails.

The Rising Barrier

The Rising Barrier remains hidden when the stairs are extended in the pedestrian use position. The lowered barrier sits flush with floor level; therefore you do see the top of the barrier, 1000mm by 50mm. As a standard, we make the rising barrier out of brush polished stainless steel however the on show top of the barrier can be painted to blend into the landing, as to can the whole barrier system.

When the Sesame System is called the barrier rises from the ground 1100mm high to prevent people from walking on the moving Sesame stairs. The rising barrier is fitted with safety pressure switches that reverse the travel when obstructed.

The on lift rising barrier

For Sesame Systems with a total rise over 1000mm, when a user enters the lifting platform and presses the "Lift Up" button, the rising barrier rises 1100mm behind the user. This, with the fixed handrails, fully encloses the user on the lifting platform.

This on lift rising barrier remains completely hidden below the extended stairs when the Sesame System is in the Stairs out pedestrian use position.

The Rising Barrier System uses up a larger pit depth than the standard Sesame System requires.

For the upper level rising barrier to be fitted, a minimum pit depth of 1500mm from top landing level is required.

For the rising barrier to be fitted on the lifting platform, we require a minimum pit depth of 1600mm from the lower landing level.

Example photographs of the gate and rising barrier can be found on the following web page, Sesame System Examples

The on lift Rising Button Box

The patented Sesame Rising Button Post is a fabulous way to blend the Sesame System even further into its surroundings. The button post automatically rises through the lifting platform when the stairs retract. Therefore this control post remains hidden below the lifting platform when the stairs are in the extended pedestrian use position.

The standard finish for the rising button post unit is a grained polished Stainless Steel, however the client may request any finish to go with the surrounding area, for example brass to match a brass balustrade?

This unit, like the on lift rising barrier requires a deeper pit below the lifting platform. We require a minimum of 1600mm below ground floor level for the mechanics of this unit to sit in when the lifting platform is in the down position. For more details on pit requirements please click on the following link, The Excavation/Pit Required