Safety Code for Elevators and Escalators - CSA Group

1 ASME B44:19(Revision of ASME B44-16) Safety Code for Elevators and EscalatorsIncludes Requirements for Elevators , Escalators , Dumbwaiters, Moving Walks, Material Lifts, and Dumbwaiters With Automatic Transfer DevicesAN AMERICAN NATIONAL :19(Revisionof )SafetyCodeforElevatorsandEscalatorsxInc ludesRequirementsforElevators, Escalators ,Dumbwaiters,MovingWalks,MaterialLifts,a ndDumbwaitersWithAutomaticTransferDevice sANAMERICANNATIONALSTANDARDxDate of Issuance: December 31, 2019 The next edition of this Code is scheduled for publication in 2022. This Code will become effective 6 months after the Date issues written replies to inquiries concerning interpretations of technical aspects of this Code.

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5 NY 10016-5990 Copyright 2019 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in APPENDIX EELEVATOR REQUIREMENTS FOR PERSONS WITH PHYSICALDISABILITIES IN JURISDICTIONS ENFORCING THE NBCCINTRODUCTIONThis Appendix was developed and approved by the CSAB44 Technical Committee. The ASME A17 StandardsCommittee, in the spirit of harmonization, authorizedthe publication of this Appendix is not a mandatory part of this Code;however, it is provided for reference in order tocomply with the requirements of the SCOPEThis Appendix contains requirements intended to makepassenger Elevators usable by persons with physicaldisabilities in jurisdictions enforcing the NBCC.

6 These re-quirements are in addition to, or modifications of, certainrequirements specified elsewhere in this Code. Elevatorsshall be passenger Elevators as classified by ASME B44. Elevator operation shall be DEFINITIONS destination-oriented elevator system:an elevatorsystem that provides lobby controls for the selection ofdestination floors, lobby indicators designating whichelevator to board, and a car indicator designating thefloors at which the car will :a technologyused to enter a car call by means of an up or down floorselection disability:a disability resulting in a mobility orsensory (VMS):electronic signs that havea message with the capacity to change by means of scrol-ling, streaming, or paging across a message sign (VMS) characters.

7 Characters ofan electronic sign composed of pixels in an LEVELINGEach car shall automatically stop and maintain positionat floor landings within a tolerance of 13 mm (1 2in.) underrated loading to zero loading DOOR OPERATIONP ower-operated horizontally sliding car and landingdoors opened and closed by automatic means shall DOOR SIZEThe clear width of elevator doors shall comply withTable DOOR PROTECTIVE AND REOPENING shall be provided with a door reopeningdevice that automaticallystops and reopens the car doorand landing door if the door becomes obstructed by anobject or person.

8 This reopening device shall also becapable of sensing an object or person in the path of aclosing door at 125 mm 25 mm (5 in. 1 in.) and735 mm 25 mm (29 in. 1 in.) above the floorwithout requiring contact for activation, althoughcontact may occur before the door reopening devices shall remain effectivefor a period of not less than 20 DOOR TIMING FOR HALL AND CAR minimum acceptable time from notificationthat a car is answering a call until the doors of that car startto close shall be calculated from the following equation,but shall not be less than 5 s:=TD/(455 mm/s)orT=D/( ft/s)whereTequals the total time in seconds andDequals thedistance (in millimeters or feet) from the point in the lobbyor corridor 1 525 mm (60 in.)

9 Directly in front of the far-thest call button controlling that car to the centerline of itshoistway cars with in-car lanterns,Tshall begin whenthe signal is visible from the point 1525 mm (60 in.)directly in front of the farthest hall call button and theaudible signal is B44:19440 Table E-5-1 Minimum Dimensions of Elevator CarsDoor LocationDoor ClearWidth,mmInside Car,Side to Side,mmInside Car,Back Wall toFront Return,mmInside Car,Wall to InsideFace of Door,mmCentered1 0652 0301 2951 370 Side (off-center)91521 7251 2951 370 Any91521 3702 0302 030 Any91521 5251 5251 525 GENERAL NOTES:(a) This Table is based on Tables and in ANSI/ICC , metric values only.

10 (b) A tolerance of 16 mm shall be B44 doors shall remain fully open inresponse to a car call for 3 s INSIDE DIMENSIONS OF ELEVATOR inside dimensions of elevator cars shallcomplywithTable car configurations that provide a 915 mm(36in.) minimum clear door width and a circular spacewith a minimum diameter of 1 525 mm (60 in.) with theCar controlsshall have the features asspecified inClauses closedare CAR with floor designations shall belocated a maximum of1 220 mm (48 in.) above the floor orground measured to the centerline of the buttons. Emer-gency control buttons, including emergency alarms whereprovided, shall be grouped at the bottom of the control buttons shall have their centerlines890 mm (35 in.)