The results of a time study and route analysis for municipal solid waste (MSW) c

Question

The results of a time study and route analysis for municipal solid waste (MSW) collection in a planned community are as follows Population Per-capita municipal solid waste generation rate Typical waste density Travel time from truck garage to beginning of 600 people 0.9 kg/person.day 140 kg/m 38 minutes (min) 63 min 20 min 45 min 30 minutes 8 hours collection route Travel time from collection route to disposal site Time to unload at disposal site Travel time from disposal site to truck garage Time spent on breaks Total time for one day of waste collection One run is made to the disposal site each day a) What is the daily total volume of waste requiring collection in (m /day) for the whole community? eap 10 Points

Explanation / Answer

Ans -

Part a

Mass of Waste generated by community in a day

= per capita waste generated x population

= 0.9 kg/person-day x 600 person = 540 kg/day

Volume of waste generated = mass of Waste generated / density of waste

= (540 kg/day)/(140 kg/m3)

= 3.857 m3/day

Part b

Total Time spent on route collection = total time taken in process - time taken from garage to beginning - time taken from collection to disposal - unloading time - time from disposal to garage - rest time

= (8*60 min) - 38 - 63 - 20 - 45 - 30

= 284 min

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