(1) The landing doors of all Lifts other than goods Lift shall not be imperforate, where auto rescue device is not provided and/ or the Lift is used in any building ofmore than three floors above ground floor.
(2) All landing openings in Lift well enclosure shall be protected by doors which shall extend the full height and full width ofthe landing opening. The top track of a landing door shall not obstruct the entrance to the Lift car.
16 THEKOLKATAGAZETTE, EXTRAORDINARY, NOVEMBER 11, 2022 [PARrI
(3) The Distance between the Lift well side of the car door and the Lift well side of the landing door shall not exceed 13 centimeters; where the car door or the landing door consists of two or more panels, the 13 centimeters dimensions shall apply to the door panel nearest to the side edge. The distance between the car and the landing sills shall not exceed 30 millimeters.
(4) The opening for the landing doors shall be not wider than that ofthe width ofLift car. Minimum landing door opening width and height shall be 0.68 m and 2 m respectively.
(5) Landing doors and their tracks shall be capable ofwithstanding a thrust of 345 N applied normally at any point, excepting any vision panel, without causing permanent deformation and without the doors being sprung from their tracks.
(6) In the case ofclose type oflanding doors and car doors, a vision panel, with maximum 225 millimeters x 125 millimeters in size is optional. Any projection on or recesses (including vision panel) in the sliding car doors shall be kept to a minimum in order to avoid finger trapping between sliding parts ofthe door and any fixed part of the structure.
(7) Hangers and tracks for doors together with their fixings shall be of adequate strength to withstand stresses specified in sub rule (5). Means shall be provided to prevent hangers for all landing sliding doors from jumping in the tracks or jamming and suitable stops shall be provided to prevent the hanger carriage from leaving the end of the track.
(8) The landing doors shall be securely fixed. The landing doors which are self closing shall be equipped with safety devices fitted on the Lift door to prevent persons while entering or leaving the Lift car.
(9) Swing doors may be used where hoist way width is not enough to accommodate sliding doors. The distance between swing door and Lift car door shall not exceed 7 .5 centimeter upto a height of600 millimeters from the bottom of the door.
(10) Entrance frame of the swing door shall be designed to support in place the panel with its hinges or pivots, door closer ifattached to the frame and interlock. It shall withstand the forces referred to in Sub-Rule (5) and the forces resulting from the normal opening of the door or normal attempts to open it when locked in the closed position.
( 11) All collapsible type landing doors ofLifts and for goods Lift used on industrial premises shall be ofa closed picket type and no openings shall exceed 5.5 centimeters in width between the vertical members ofthe doors when it is fully extended.
(12) Automatic fire door or shutter which operates by means of a fusible link or otherwise due to the action of heat, shall not be allowed in any landing, opening or in the Lift-well enclosure of any Lift if such opening provides an access for exit from the building.
(13) In swing type doors the vision panel shall be so located that Lift operator can have convenient vision when opening the door from the Lift car side.
( 14) A door open alarm shall be provided to draw attention when a car or landing doorwhich has been left open in passenger Lifts.
(15) No landing opening for travel, shall exceed a maximum of 8 meters or two floors, whichever is less.