The typical floor height of a 20-floors building is 4 m. The building is served by a of lifts. Each lift has a contract speed of 2 m/s and each floor has an area of 4. group 1,200 m. The population density is 1 person per 60 m2 and the up-peak interval (UPPINT) of the building must not be more than 30 s. Also, the percentage population (% POP) served must not be less than 20 %. Given that the Door opening time (t.) = 1 s; the Door closing time (te) =2 s; the Passenger loading time (t) 2 s; the Passenger unloading time (t.) 2 s and the Single-floor flight time (ta) 6 s, determine: %3D (a) the population; (b) the minimum up-peak handling capacity (UPPHC); (c) the minimum contract capacity (CC); (d) the average highest call reversal floor (H) and the average number of stops (S); (e) the journey time (JT). Hence, comment whether the quality of the lift system is high, medium or low.

The typical floor height of a 20-floors building is 4 m. The building is served by a of lifts. Each lift has a contract speed of 2 m/s and each floor has an area of 4. group 1,200 m. The population density is 1 person per 60 m2 and the up-peak interval (UPPINT) of the building must not be more than 30 s. Also, the percentage population (% POP) served must not be less than 20 %. Given that the Door opening time (t.) = 1 s; the Door closing time (te) =2 s; the Passenger loading time (t) 2 s; the Passenger unloading time (t.) 2 s and the Single-floor flight time (ta) 6 s, determine: %3D (a) the population; (b) the minimum up-peak handling capacity (UPPHC); (c) the minimum contract capacity (CC); (d) the average highest call reversal floor (H) and the average number of stops (S); (e) the journey time (JT). Hence, comment whether the quality of the lift system is high, medium or low.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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