PSD Type

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PSD Type

PSD/Full height PED/Semi-full height PG/Half height

Why install PSD

  • Prevent platform accidents – falling down, suicide
  • Reduce noise in platform – noise from the train
  • Create comfortable environment – wind & dust-free, air-conditioned
  • Maximize energy efficiency – HVAC consumption improvement

SMRT Case study

after-installation

psd
  • Accidents —> 0
    – 22 cases in 2006
    ( 13 deaths & 9 injured )
  • Air quality—>35.3% Up
  • Noise level—>7.9% Down
  • Cooling/Heating—>33.5 % Up

Comparison of PSDs

Full Height Semi-Full Half Height
overseas-fullheight overseas-semifull overseas-half-height
korea-full-height korea-semifull korea-half-height
Item Full Height Semi-Full Half Height
Effects
  • Safety(100%),Comfort(100%)
  • Station wind reduced
  • Noise/Dust blocked,
    High Energy efficiency
    (Cooling/Heating)
  • Safety(100%),Comfort(80%)
  • Station wind reduced,Noise/
    Dust partially reduced
  • Energy-efficient(40%)
  • Passenger Safety(40%)
  • Open-feel secured
Advantages
  • complete sind barrier
  • Noise/Dust minimized &
    Comfort edhanced &
    Energy-efficient
  • Partial air flow possible &
    Natural ventilation
  • Visibility secured
  • No Ceiling work
  • Easy Installation
Disadvantages
  • Extra Ceiling work required
  • Noise & Dust ingressable
  • Less Stable structure
Target Underground Station Semi-underground Station Ground Station

 

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