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Example 7-2 Selection of container size for use at a commercial facility A commercial facility produced the following quantities of solid waste each week for a calendar quarter of operation. Using these waste production data, determine the size of container at which it becomes more cost effective to make extra pickup trips, on call instead of using a larger-sized container. Assume the data given below are applicable.

Example 7-2 Selection of container size for use at a commercial facility A commercial facility produced the following quantities of solid waste each week for a calendar quarter of operation. Using these waste production data, determine the size of container at which it becomes more cost effective to make extra pickup trips, on call instead of using a larger-sized container. Assume the data given below are applicable.

Structural Analysis
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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Example 7-2 Selection of container size for use at a commercial facility A commercial facility produced the following quantities of solid waste each week for a calendar quarter of operation. Using these waste production data, determine the size of container at which it becomes more cost effective to make extra pickup trips, on call instead of using a larger-sized container. Assume the data given below are applicable. 1. Waste production data Week no. 1 2 3 4 5 6 7 2. Collection system data Capacity yd3 30 35 40 45 50 - - Waste yd3/wk 41 30 35 34 39 25 32 - Week no. 8 9 10 11 12 13 Capital cost $ Annual O&M cost &/yr 3000 150 175 225 Waste yd3/wk 27 37 36 33 28 31 3500 4000 4900 6100 Cost per trip= 50$.00/trip Useful life of the containers= 10 yr Discount rate=10% Capital recovery factor= (i=10%, n=10yr) = 0.16275 300 400
Transcribed Image Text:Example 7-2 Selection of container size for use at a commercial facility A commercial facility produced the following quantities of solid waste each week for a calendar quarter of operation. Using these waste production data, determine the size of container at which it becomes more cost effective to make extra pickup trips, on call instead of using a larger-sized container. Assume the data given below are applicable. 1. Waste production data Week no. 1 2 3 4 5 6 7 2. Collection system data Capacity yd3 30 35 40 45 50 - - Waste yd3/wk 41 30 35 34 39 25 32 - Week no. 8 9 10 11 12 13 Capital cost $ Annual O&M cost &/yr 3000 150 175 225 Waste yd3/wk 27 37 36 33 28 31 3500 4000 4900 6100 Cost per trip= 50$.00/trip Useful life of the containers= 10 yr Discount rate=10% Capital recovery factor= (i=10%, n=10yr) = 0.16275 300 400
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