Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Question
Chapter 3, Problem 3.18P
To determine
The size of the truck that the community needs.
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2) Calculate the number of collection vehicles a community would need if it has a total of
4000 services (customers) that are to be collected once per week.
3) Calculate the number of collection vehicles a community would need if it has a total of
6000 services (customers) that are to be collected once per week.
4) The number of collection vehicles a community would need for solid waste collection in
Discuss at least 4 consequences of the inappropriate disposal of refuse.
List five factors that must be considered in the collection of Municipal Solid Waste.
3-19. The mayor of Recycleville has asked
you to develop an integrated waste
management program. Residents
currently pay $10 per month and can
put out up to five 32-gallon cans
per week. You offer the mayor an
automated system with two price
options:
Container Size
(gallons)
Option 1
Option 2
$9.00
$12.00
$18.00
$15.00
$27.00
$18.00
32
64
96
In addition, you will provide the
residents a 64-gallon commingled
recycling container and a 96-gallon
green-waste container.
b.
a. What are the advantages of using
the program you developed?
Are residents opting for the
96-gallon container paying more
for this service? (Hint: Think of
the cost per gallon of material.)
c. Which price option would likely
have the higher recycling rate, and
why? Look at the EPA web site for
some case studies to support your
reasoning.
d. What impact would collecting recy-
clables one week and collecting
green waste the next week have on
the recycling rate?
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- O Solid waste from a park is to be collected in large containers. It is estimated that the average time to drive from the garbage to the first container t, and from the last container t₂ to the garbage each day will be 15 and 20 minutes, respectively. If the average time required to drive between the containers is 360 seconds and the two-way distance to the disposal site is 50 km (speed limit 88 km/hr), determine the number of containers that can be emptied per day, based on an 8-hour work day. Note: at 88 km/hr speed, a = 0.016, b=0.011; S = 0.133, W=0.15; Pc+U= 0.4 h/trip.arrow_forwardCollect some practical examples of all the sewer appurtenance. You can also search all the instruments online.arrow_forward3-19. The mayor of Recycleville has asked you to develop an integrated waste management program. Residents currently pay $10 per month and can put out up to five 32-gallon cans per week. You offer the mayor an automated system with two price options: Container Size (gallons) Option 1 Option 2 $9.00 $12.00 $18.00 $15.00 $27.00 $18.00 32 64 96 In addition, you will provide the residents a 64-gallon commingled recycling container and a 96-gallon green-waste container. d. What impact would collecting recy- clables one week and collecting green waste the next week have on the recycling rate?arrow_forward
- (84 Solid waste from a park is to be collected in large containers. It is estimated that the average time to drive from the garbage to the first container t, and from the last container t₂ to the garbage each day will be 15 and 20 minutes, respectively. If the average time required to drive between the containers is 360 seconds and the two-way distance to the disposal site is 50 km (speed limit 88 km/hr), determine the number of containers that can be emptied per day, based on an 8-hour work day. Note: at 88 km/hr speed, a = 0.016, b= 0.011; S = 0.133, W = 0.15; Pc+U= 0.4 h/trip.arrow_forwardDetermine the capacity of 25 gates that serve three class of aircraft Average Occupancy time (minutes) Aircraft class Mix percentage 1 20 10 20 30 3. 60 60arrow_forwardStreet is 1000 foot long and homes are 50 feet apart on both sides of the road. Two person crew are employed to collect the recyclables in green roll out containers. It takes 30 seconds to empty the contents to each green container into the truck and set out amount of 12 kgs . Estimate the total time to collect recyclables.arrow_forward
- List seven factors that must be considered in the collection of MSW. Define the term; Recyclingarrow_forwardA town with 2,350 residents wants to establish a municipality owned and operated solid waste( garbage) collection program. They can purchase one of three possible trucks that have the ff. characteristics: Truck A, 18 m3 capacity Truck B, 15 m3 capacity Truck C, 12 m3 capacity If the truck is to collect the refuse for one-fifth of the town each day during a 5-day work week, then every residence will be collected during the week, and the truck will have to make only one trip per day to the landfill. Which truck or trucks will have sufficient capacity. Assume a rate of 1.75 kg/capitald. Assume that the truck is able to compact the refuse to 350 kg/ m3 * 14.1 5,757.5 4,935 24,675 28.787 5 Truck Truck Truck 16.45 A B What is the total tonnage of solid waste to be collected/wk? What is the total weight of waste to be collected everyday? What is the required truck сарacity in cubic meters? Which truck ооо о о о о should be bought ?arrow_forwardAssume it cost an average of $0.03/ton.min to haul waste from collection to transfer station and then from the transfer station to landfill using a transfer vehicle and the operation cost of the transfer station is $2/ton. The cost of hauling waste directly from the collection point to landfill is $0.1/ton.min. The speed limit of any type of vehicle carrying waste between the collection point, the transfer station, and the landfill is 40 miles/hr. At/above what distance (miles) is using a transfer station more economical? Round your answer to the nearest whole number. Show your work.arrow_forward
- Calculate the number of stops in each trip of 1.50 h of refuse collection for the following data v= velocity = 15 km/h – 4.17 m/s d= distance= 750 m n = number of containers to empty per stop=1 tc= time to empty one bin/container= 650 sarrow_forward2. Determine the diameter of a landfill gas header pipe (assuming SDR17) for the following conditions. Calculate the pipe velocity for a range of pipe diameters (starting at 6 inches and ending at 48 inches). a. Quantity of flow to be handled is 5,000 ft³/min; temperature of 100°F; pressure (or applied vacuum) of 40in.WC. The gas composition is 50% methane, 48% carbon dioxide, 2% air. The elevation at the site is 560 feet. [Assume concurrent flow (gas and water flowing in the same direction; maximum design velocity of 40 ft/sec)].arrow_forward11) A truck is found to be able to service customers at a rate of 1.5 customers per minute. If they find that the actual time they spend on collection is 5 hours, how many customers can be served per day? orad 10)Calculate the number of collection vehicles a community would need if it has a total ofarrow_forward
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