D2. An office building for multiple tenants with 20 floors (above the main terminal) of 600m² per floor to be built. The

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D2 An Office Building For Multiple Tenants With 20 Floors Above The Main Terminal Of 600m Per Floor To Be Built The 1 (47.97 KiB) Viewed 61 times

D2. An office building for multiple tenants with 20 floors (above the main terminal) of 600m² per floor to be built. The estimated population per floor is 60 persons and the estimated up peak demand is 14%. The floor-to-floor height of the building is 3m and the design intervals is 50 seconds, the passenger transfer time is 1.4 second, door opening and closing time are 1 second and 3 second respectively, interfloor jump time is 3 second and the rated speed of the lift is 4 m/s, determine the following details of the lift system with the lift car capacity factor of 80%. (i) Round Trip Time (RTT); (10 marks) (ii) Number of lift car required; (2 marks) (iii) Contract capacity (CC) of each lift car; (2 marks) (iv) Actual Up peak Interval (UPPINT); (2 marks) (v) Actual Up peak Handling capacity (UPPHC); (2 marks) (vi) Actual Percentage of population (%POP) (2 marks)