Elex HK |
StairLift |
29/03/2001 |
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STC Dept |
COP on the Design & Construction of Lifts & Escalators
(1993) |
Einstein Y Y Co |
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Clause |
Requirements |
Status |
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1.1 |
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Motor & gearbox thermal time ratings shall be
not less than 25% l
Gearbox wear rating (minimum life of 100,000
starts & 2,500 hours at full load) |
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2.2 |
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Angle of inclination =< 45° |
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2.3 |
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Clear height above platform => 2m |
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3 |
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General safety factor of all parts >=3 |
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4 |
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Rail safety factor=>5 (base on rated load) |
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5.1 5.2 |
l
Rated speed <= 0.15 m/s l
Rated load of chair carriage >= 115 kg l
Rated load for power-driven wheelchair >= 225
kg l
Rated load for manual wheelchair >= 205 kg
(platform area > 0.84 sq.m.) l
Rated load for manual wheelchair >= 150 kg
(platform area <= 0.84 sq.m.) |
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6.2.2 |
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Geared drive unit safety factor=> 6 |
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6.2.3 |
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Braking distance =< 20mm (applied mechanically
& held off electrically) |
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6.3.1 |
l
Rope safety factor => 12 |
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7 |
l
Carriage (a) chair carriage, (b) standing
platform, (c) wheelchair platform |
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7.1 |
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Carriage safety factor => 5 (base on the rated
load) |
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7.1.2 |
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Load plated shall be mounted on the carriage or at
each landing l
(At least 10mm height of letters) |
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7.1.3 |
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Nameplate shall be provided on the carriage |
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7.2.1 |
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Safety gear operating in downward direction only l
Release of the safety gear by raising the carriage
up the rail |
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7.2.2 |
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Overspeed governor
actuated at least 115% of rated speed but =<0.3 m/s |
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9.6 |
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Final limit safety switches shall be provided at
each end of travel |
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11.1 |
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(Self-operation) Common key shall be provided at
each landing & removable only from the “off” position |
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12.1 |
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12.3 |
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(Attendant-operated stairlift)
No controls, other than a stopping device, shall be provided on the carriage |
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13.1 |
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User guide in both English & Chinese shall be
affixed to the stairlift |
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13.2 |
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Operation manual laminated with plastic protective
sheets shall be kept in management office |
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