47701542-CIBSE-Guide-D-Transportation-Systems-in-Buildings.pdf

Malaysia Labour Review ____________________________ _____________________ ________________________________________________ Volume 3, Number 1, 2009 27 PASSENGER ELEVATOR TRAFFIC PERFORMANCE IN OFFICE BUILDING Nazruddin bin Mat Ali Department of Occupational Safety and Health, Malaysia nazrudin@mohr.gov.my Abstract Elevators play major role in transportation system of a building and provide a great deal of influence to the total function of a building, especially if the usage and numbers of elevator is not properly planned. The lift shafts are not easily modified in later stages of building development. Therefore the fundamental elevator design must be planned at the very beginning. This paper attempts to analyse the performance of elevator traffic in office buildings Keywords: elevators, traffic analysis INTRODUCTION The objective of elevator traffic analysis is to find suitable elevators for a building. It is a set of procedures for selecting the proper number, type, speed and arrangement of elevators to satisfy the required service criteria. Traffic analysis can be used to recommend a cost effective solution (but should not be used to guarantee performance due to human / passenger factors). The discussion below looks into issues pertaining the performance of elevator traffic in office buildings. Two basic factors to be considered in elevator traffic analysis 1. Population; and 2. Traffic pattern. Population of a building can be obtained from the using agency or figures calculated based on typical occupancy for the floor area involved. Malaysia Labour Review ____________________________ _____________________ ________________________________________________ Volume 3, Number 1, 2009 28 There are various elevator traffic patterns: 1. Incoming peak / up-peak; 2. Outgoing peak/down-peak; 3. Two-way traffic; 4. Counter-flow traffic; and 5. Inter-floor traffic. Usually performance criteria a