11) 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 bsau can be served per day? bas WaM falloction vehicles a community would need if it has a total of
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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 inO 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.A community of 100,000 people wants to initiate public garbage collection and disposal to a landfill that is 30 miles away. The collection frequency is once a week. For garbage transportation to the landfill, there are two options: no transfer station and a transfer station that is 10 miles away from the community and is on the way to the landfill. Determine: Total transportation cost for the no transfer station option. Total transportation cost for the transfer station option. Breakeven point (for the two options), if the transfer station can be placed anywhere on the way to the landfill. Your answer must be in term of distance between the station and the community. Assumptions/given information: Generation rate: 4 lbs/person/day. As collected density: 200 lb/yd3. Collection truck size of 20 yd3 with a compaction ratio of 3. Transfer truck/trailer size of 60 yd3 with no compaction capability. Costs: 30 cents per mile per collection truck, 10 cents per mile per transfer…
- Because of a difference of opinion among city staff members, you have been retained as an outside consultant to evaluate the collection operation of the city of Davis Ville. The basic question centers around the amount of time spent on off-route activities by the collectors. The collectors say that they spend less than 15 percent of each 8-h workday on off-route activities; management claims that the amount of time spent is more than 15 percent. You are given the following information that has been verified by both the collectors and management: (a) A hauled container system, without container exchange, is used. occur. (b) The average time spent driving from yard to the first container is 20 min, and no off-route activities. (c) The average pickup time per container is 6 min. (d) The average time to drive between containers is 6 min. (e) The average time required to empty the container at the disposal site is 6 min. (f) The average round-trip distance to the disposal site is 10…QUESTION 2 There are 30 ticket vending machines to service an hourly passenger demand of 8,750. How quickly must the process of purchasing tickets occur? Tickets are mandatory for all passengers. Provide your response to the nearest tenth of a second.There are 30 ticket vending machines to service an hourly passenger demand of 8,750. How quickly must the process of purchasing tickets occur? Tickets are mandatory for all passengers. Provide your response to the nearest tenth of a second.
- One parking lot has 250 parking stalls. The observer in the parking booth noticed that the average occupancy rate for the lot is 85% during 8am~5pm, and there were 210 vehicles passing the booth during the same time. Estimate the average turnover rate for each stall? And access if it is a healthy or unhealthy turnover rate?A truck rental company has two types of trucks. Type A has 20 cubic meters of refrigerated space and 40 cubic meters of non-refrigerated space, and type B has 30 cubic meters of refrigerated space and also 30 cubic meters of non-refrigerated space. A food plant must ship 900 cubic meters of refrigerated food and 1200 cubic meters of non-refrigerated food. Suppose truck A rents for $0.90 per mile and B for $1.20. Find the number of trucks of each type that the plant should rent so as to minimize cost. Type A Type B Minimum Cost Note: Input numerical values only. Page 320Two one-man barber shops sit side by side in DunkirkSquare. Each can hold a maximum of 4 people, and anypotential customer who finds a shop full will not wait for ahaircut. Barber 1 charges $11 per haircut and takes anaverage of 12 minutes to complete a haircut. Barber 2charges $5 per haircut and takes an average of 6 minutes tocomplete a haircut. An average of 10 potential customersper hour arrive at each barber shop. Of course, a potentialcustomer becomes an actual customer only if he finds thatthe shop is not full. Assuming that interarrival times andhaircut times are exponential, which barber will earn moremoney?
- (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.3.37 A company produces four products in its production facility. The facility has four de- partments labeled A-D. The routing information, production quantities, and volumes for each product are given in the table below. Product 1 2 3 4 Production Quantities (per day) 15 20 14 10 Routing B-A-D-C-A A-D-C-B A-C-D-B B-A-C-D Volume (compared to Product 1) 1 1 2 0.5 Determine the from-to chart. Recommend a flow pattern.Given: A stationary container system (mechanically loaded), 3.5 collection trips/wk, 8hrs/day, 3.22 h/trip (pick up time), at site time 1h/trip, round trip = 10miles, a=.018 h/trip. b= .020h/trip, productive time = 85% Note: Even though a partial trip (3.5 collection trips), a full trip (4) will have to be mad to the disposal area. Find: Time required per week.
