IT IS NOT GRADED QUESTION , PLZ, SOLVE IT AS SOON AS POSSIBLE. AssignmentTo be submitted before examinationGiven: On a single day you observe the following ata landfill:10-16 yd³ compactor trucks.18-3 yd³ pickup trucks hauling loose and dry leaves.56-1 yd³ private cars.2-45 yd³ trucks with broken concrete.Find: If there are 3.82 lb/cop/day with 2.7 cap/home and allthe waste comes from the town, estimate the number of homesin the town?ItemNumber ofleadsAvg. Volumey3Total WeightSpecificWeightIb/y43Compactor truck101650080,000Pickup trucks1831005,400loase and dryPrivate car23012,320Broken concrete2595233,550TotalIb/day331,2702I45123 Solution step 1Determine the number of homesnumber of residence =331270 X (lb/day) X (capita/day/3.82 lb) Xresidence / 2.7 capnumber of residence = 32,118What's wrong with the answer?The demolition load, broken concrete may notbe representative; calculate the number ofhouses with the concrete.Solution step 1number of residence =(331,270-233,550) X (lb/day) X(capita/day/3.82 lb) X residence / 2.7 capnumber of residence =9,475 vs. 32,118 with the broken concrete.45

Although for the purpose of calculation of amount of waste the demolition waste may be considered.…

10-16 yd³ compactor trucks. 18-3 yd³ pickup trucks hauling loose and dry leaves. 56-1 yd³ private cars. 2-45 yd³ trucks with broken concrete. Find: If there are 3.82 lb/cap/day with 2.7 cap/home and all the waste comes from the town, estimate the number of homes in the town? Numbur of Specific 10 500 80,000 100 12.330 2595 233,550 331,370 1 Compactor truck lease and dry day 2 16 A

10-16 yd³ compactor trucks. 18-3 yd³ pickup trucks hauling loose and dry leaves. 56-1 yd³ private cars. 2-45 yd³ trucks with broken concrete. Find: If there are 3.82 lb/cap/day with 2.7 cap/home and all the waste comes from the town, estimate the number of homes in the town? Numbur of Specific 10 500 80,000 100 12.330 2595 233,550 331,370 1 Compactor truck lease and dry day 2 16 A

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter3: Collection

Section: Chapter Questions

Problem 3.1P

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Using simple calculation method.
INSTRUCTIONS: Help me answer the given question and choose the correct answer. 5
The City of Forty-Five (population 465,565) has requested your assistance in evaluating its solid waste collection system. Determine the mean time per collection stop plus the mean time to reach the next stop, the number of pickup locations per load, and the minimum number of trucks the city must own. The City of Forty-Five collection data are as follows: Average truck capacity = 12.5 m3; Average observed compaction ratio = 2.87 Crew size = 2; Number of pickups = 1 /wk (no rear-of-house service) Average number of cans per stop = 2.63/wk at 0.1136 m3/can Average number of residents per stop = 5 Average uncompacted density = 105.76 kg/m3 Average transport time to disposal site including delays and dumping = 1.78 h/trip Average number of trips to disposal site = 2/d; Rest breaks = 2 at 28.0 min Average maintenance downtime = 37.0 min/d; Average workday = 8.00 h Average percent of trucks out of service for major repairs = 15.0% Number of workday per week = 5
7) Suppose a crew of two people requires 3 minutes per stop, at which they can service four customers. If each customer generates 50 lb of refuse per week, how many customers can they service if they did not have to go to the landfill?
5) Assume each household produces 60 lb of refuse per week. How many customers can a 20-yd³ truck that compacts the refuse to 550 lb/yd³ collect before it has to make a trip to the landfill?
2) A family of five people generates solid waste at a rate of 2 lb./cap/day. Collection is once a week. How many customers can a 20-yd³ truck that compacts the refuse to 500 lb/yd³ collect before it has to make a trip to the landfill? (UoD, B.Sc. 2012).
Can I get a thorough step by step for the following question? A sanitary landfill has available space 25 ha at an average depth 12 m. Nine hundred sixty-five (965) cubic meters of solid waste are dumped at the site each day for 5 days per week. This waste is compacted to twice its delivered density. Draw a mass-balance diagram and estimate the expected life of the landfill in years.
5. For preliminary planning purposes, estimate the required landfill area for a community with a population of 31,000. Assume that the following conditions apply: Solid waste generation = 6.4 Iblcapita.day; Compacted specific weight of solid wastes in landfill = 800 Ib/yd3; Average depth of compacted solid wastes = 30 ft. Based on the given data, the area required per year is 1.87 acre/year. O TRUE FALSE
Chapter 10 Disposal of Solid Wastes and Residual Matter 10.7 A). Determine the impact of a resource recovery program on landfill area requirement, in which 40% of the paper, 60% of the glass, and 80% of tin cans are recovered. Knowing that the previous land fill was designed for a city of 40 000 in population, Amount of waste generation = 2.5 kg/capita/d refuse is filled into a depth of about 3 m. The landfill site is to be used for 13 years component Typical composition% Food waste 15 Paper 40 Cardboard 4 Plastics 3 Textile 2 Rubber 0.5 Leather 0.5 Garden trimming 12 Wood 2 Glass 8 6 1 Tin cans Non-ferrous metals Ferrous metals 2 Dirt, ashes, brick, 4 etc. Density kg/m3 18.0 5.1 3.1 4 8 10 6.5 15.0 12.1 5.5 10.0 20 30 B) If the site above were to be constructed in three lifts what is the new area يأتي Gehö
Estimate the area and volume of landfill to handle the solid waste from Warriorville for20 years. Based on a 10 yd sample of waste collected from an existing landfill during normal off‐loadingoperations. Assume the following:1. Population of 14,5662. Average solid waste generation rate of 2.42 lbs cap‐1 d‐13. Average uncompacted density of 9.03 lbs ft34. cell height of 8 ft 5. recommended depths of cover will be used6. normal compaction7. characterization of Warriorville solid waste based on a based on a 10yd dumpster sample isdescribed belowWaste Composition Mass (lbs)Food waste 56.5Paper and Cardboard 120.8Plastic 10.1Rubber, leather, wood 26.7Textiles 23.1Metals (90% Ferrous) 45.2Glass 30.6Miscellaneous 54.5
The rate of percolation into a 12-m deep landfill is 248 mm/y. The refuse (i.e., waste) field capacity is 305 mm/m and the moisture content of the refuse is 180 mm/m. Calculate how many years it will take for the moisture front to move through the landfill and produce leachate. Round your answer to one term past the decimal point.