Answer 3-20 plus the following question: If 100 commercial locations are to be serviced twice a week, and there are 5 workdays per week, how many trucks are needed? 3-20. Estimate the number of commerciallocations that can be serviced in oneday by the collecting vehicle describedbelow:truck volume = 20 yd³ and densityof 250 lb/yd³ for uncompactedrefusecompaction ratio = 2container volume = 6 yd³on average, containers are 80% fulldrive between locations = 8 minutesat site time (loading dumpster intotruck) = 15 minhaul time (to transfer or disposal) =20 min (one way)to and from garage (at beginning andend of day) = 15 minworkday = 8 hoff-route factor= 0.25 (breaks, lunch,other necessities)

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Answered: Estimate the number of commercial…

Engineering

Civil Engineering

Estimate the number of commercial locations that can be serviced in one day by the collecting vehicle described below:

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter3: Collection

Section: Chapter Questions

Problem 3.20P

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Concept explainers

Collection Systems

The collection systems form a part of sanitary engineering, which is a sub-branch of civil engineering. It is also known as public health engineering and wastewater engineering. It is a methodology followed to remove and properly dispose of human waste, along with creating systems to provide safe and clean usable water. These measures ensure a hygienic and disease-free community. Sanitary engineering, apart from building sewer disposal units, is also involved in plumbing, fire protection, hydraulics, life safety, environmental protection, information technology, microbiology, pathology, and so on.

Question

Answer 3-20 plus the following question: If 100 commercial locations are to be serviced twice a week, and there are 5 workdays per week, how many trucks are needed?

3-20. Estimate the number of commercial
locations that can be serviced in one
day by the collecting vehicle described
below:
truck volume = 20 yd³ and density
of 250 lb/yd³ for uncompacted
refuse
compaction ratio = 2
container volume = 6 yd³
on average, containers are 80% full
drive between locations = 8 minutes
at site time (loading dumpster into
truck) = 15 min
haul time (to transfer or disposal) =
20 min (one way)
to and from garage (at beginning and
end of day) = 15 min
workday = 8 h
off-route factor= 0.25 (breaks, lunch,
other necessities)

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