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CCA Ltd. is a composite boat manufacturing company based at Gold Coast, Queensland. The manufacturing of a type of family fishing boat has been divided into 5 work elements. To analyse the efficiency, the production manager performed a work measurement and the recorded element times for the first five cycles are shown in the following table with a performance rating (RF) for each element. Element Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 5 Performance rating % (RF) 1 1.34 1.68 1.45 1.76 1.52 115 2 2.50 2.75 2.67 2.55 2.45 105 3.11 3.22 3.15 4.21 3.38 110 4 4.11 4.23 4.56 4.22 6.42 90 5 5.51 5.43 5.22 5.34 5.55 120 Note: all element times are recorded in hours. (a) Based on the times observed through five cycles, determine their normal times for the cycles and the normal time for the whole job. (b) Calculate the standard time, if there is a fatigue allowance of 8 % and a contingency allowance of 7.5%. (c) If a worker is employed on a 5 day, 37.5 hour/week with 1.5 hours per day for breaks, how many workers are needed for a daily production of 25? 3.

CCA Ltd. is a composite boat manufacturing company based at Gold Coast, Queensland. The manufacturing of a type of family fishing boat has been divided into 5 work elements. To analyse the efficiency, the production manager performed a work measurement and the recorded element times for the first five cycles are shown in the following table with a performance rating (RF) for each element. Element Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 5 Performance rating % (RF) 1 1.34 1.68 1.45 1.76 1.52 115 2 2.50 2.75 2.67 2.55 2.45 105 3.11 3.22 3.15 4.21 3.38 110 4 4.11 4.23 4.56 4.22 6.42 90 5 5.51 5.43 5.22 5.34 5.55 120 Note: all element times are recorded in hours. (a) Based on the times observed through five cycles, determine their normal times for the cycles and the normal time for the whole job. (b) Calculate the standard time, if there is a fatigue allowance of 8 % and a contingency allowance of 7.5%. (c) If a worker is employed on a 5 day, 37.5 hour/week with 1.5 hours per day for breaks, how many workers are needed for a daily production of 25? 3.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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CCA Ltd. is a composite boat manufacturing company based at Gold Coast, Queensland. The manufacturing of a type of family fishing boat has been divided into 5 work elements. To analyse the efficiency, the production manager performed a work measurement and the recorded element times for the first five cycles are shown in the following table with a performance rating (RF) for each element. Element Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 5 Performance rating % (RF) 1.34 1.68 1.45 1.76 1.52 115 2 2.50 2.75 2.67 2.55 2.45 105 3.11 3.22 3.15 4.21 3.38 110 4 4.11 4.23 4.56 4.22 6.42 90 5 5.51 5.43 5.22 5.34 5.55 120 Note: all element times are recorded in hours. (a) Based on the times observed through five cycles, determine their normal times for the cycles and the normal time for the whole job. (b) Calculate the standard time, if there is a fatigue allowance of 8 % and a contingency allowance of 7.5%. (c) If a worker is employed on a 5 day, 37.5 hour/week with 1.5 hours per day for breaks, how many workers are needed for a daily production of 25?
Transcribed Image Text:CCA Ltd. is a composite boat manufacturing company based at Gold Coast, Queensland. The manufacturing of a type of family fishing boat has been divided into 5 work elements. To analyse the efficiency, the production manager performed a work measurement and the recorded element times for the first five cycles are shown in the following table with a performance rating (RF) for each element. Element Cycle 1 Cycle 2 Cycle 3 Cycle 4 Cycle 5 Performance rating % (RF) 1.34 1.68 1.45 1.76 1.52 115 2 2.50 2.75 2.67 2.55 2.45 105 3.11 3.22 3.15 4.21 3.38 110 4 4.11 4.23 4.56 4.22 6.42 90 5 5.51 5.43 5.22 5.34 5.55 120 Note: all element times are recorded in hours. (a) Based on the times observed through five cycles, determine their normal times for the cycles and the normal time for the whole job. (b) Calculate the standard time, if there is a fatigue allowance of 8 % and a contingency allowance of 7.5%. (c) If a worker is employed on a 5 day, 37.5 hour/week with 1.5 hours per day for breaks, how many workers are needed for a daily production of 25?
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