Platform Touch Voltage Protection
Membrane System exclusively from TOKAI-OMNI!
A Protection Solution In Accordance to the International Standards of VDE 0115 and EN 50122-1.
Introduction
Tokai-Omni Platform Touch Voltage Protection
Membrane System (PTVPMS) is a customized solution
installed at MRT Platforms to safeguard passengers on
the platform from possible electrical shocks caused by
touch and step voltages.
These electrical shocks can occur during:
• Boarding / Alighting
• Physical contact with the train
• Physical contact with Platform Screen Doors (PSDs).
Potential Hazards
Potential hazards such as electrical shocks to
passengers due to the different voltage potentials
which can occur around the platform edge especially
between the platform screen door and train or train
depot workshop area. For our MRT system, the
platform screen doors that are installed at the
underground and elevated stations are in close
proximity to the train at the station platform edge, and
this is the area that poses the highest risk to touch
potential and its associated hazards.
Therefore to mitigate this risk, a protection zone in the
form of an insulation system is required, and in doing
so we are able to protect passengers on the platform
from accidental contact with high voltage that with
sufficient energy may result in severe injury or death.
System Benefits
Our insulation membrane solution is in accordance
to the International Standards of VDE 0115 and EN
50122-1
Bonded type Membrane with hot-liquid applied to
the required thickness (2.5mm – 3mm) both
horizontal and vertical application
No adhesive used, hence porous or air-void
between membrane and concrete is avoided.
Earth resistance compliance test in accordance to
the BS 7430 and MS IEC 62305:2006
Proven reliability and durability for MRT Projects
Advancing Safety, Protecting Critical Assets
A customised solution specifically for Mass Rail Transit Stations
www.tokai.com.my
Membrane Type
The Protection Zone
The protection zone coverage of the
membrane shall be 1.8 to 2.4m
away from the Passengers Screen
Door (PSD) and to the height of
2.5m above Finished Floor Level
(FFL).
Bonded type Membrane with hot-liquid applied to the required thickness of
2.5mm – 3mm for both horizontal and vertical applications.
Membrane Specifications
2.5m
Subjected to Volume Resistivity Test of
ASTM D257:2007 Standard and
results states that the Volume
Resistivity is tested to exceed
5x1014 ohm-cm.
1.8 to 2.4m
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Insulation Sealant
Testing of the membrane shall be carried out
with the Digital Insulation Tester with a testing
voltage of 250/500V DC and the passing
criteria shall be as follows:
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Copyright reserved.
Testing of Membrane
A High Resisitivity Sealant shall be used to seal off all gaps between the
floor and the Insulation Membrane which have the following
characteristics in accordance to ASTM D257:2007 Standard:
• Volume Resistivity : 1 x 1014 ohm – cm
• Elongation Break : 200%
• Shore hardness : 50 min
On Membrane Surface
- 50,000 ohm in dry/damp condition
On Platform Surface
- 35,000 ohm in dry condition
- 10,000 ohm in damp condition
Tokai-Omni PTVPMS
with PSD doors installed
european
ec
ec
group
ISO 9001
REGISTERED FIRM
certification
Lot 14, Jalan Astaka U8/82,Seksyen U8, Bukit Jelutong,
40150 Shah Alam, Selangor Darul Ehsan.
Tel: 603-7845 2323 | Fax: 603-7845 5420
Email: [email protected]
european
certification
Tokai Engineering (M) Sdn Bhd (259755-W)
Tokai-Omni PTVPMS
Site Installation
group
4152
ISO 9001
REGISTERED FIRM
QS 081220007 CB 07
TESTED AND CERTIFIED COMPLIANT TO
M S I E C 6 2 3 0 5 , B S E N 6 2 3 0 5 : 2 0 0 6 & PA S 6 8