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Elevators, Escalators

Hitachi

Precautions for the Planning of Observation Elevators

1. Elevator car window glass
(1) Car window glass installed below 500 mm from the floor shall be protected by metallic or other material.
(2) A handrails shall be provided if car window glass is installed below 750 mm from the floor.
2. Hoistway glass
(1) It is recommended that heat-absorbing glass be used for the hoistway glass to prevent the temperature in the hoistway from rising.
(2) A gap of 300 mm shall be provided between the hositway and elevator to allow space for the hoistway glass to be cleaned.
(3) The hoistway glass structure shall be sealed to prevent water leakage from outside.
3. Air-conditioning and ventilation
(1) To keep passengers comfortable it is recommended that air-conditioning be provided in the elevator lobby and ventilation be provided in the hoistway.
(2) When air-conditioning is required for the elevator car:
(a)
The air-conditioning capacity shall be 1,400 to 3,550 Kcal/h depending on the size of the elevator.
(b)
A water drain shelf shall be provided in the hoistway pit.
(c)
The hoistway shall be ventilated to prevent the temperature from rising inside the hoistway.
4. Others
(1) A maintenance deck shall be provided for cleaning and maintaining the elevator car.
(2) The hoistway shall be sheltered by a 1.8 meter high concrete wall to protect the hoistway glass from damage.

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