Creating the Responsive Supply Chain 101
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Creating the Responsive Supply Chain 101
In reality, within the same business it is likely that there will exist the need for both lean and agile supply chain solutions since some products will have predictable demand whilst for others demand will be far more volatile. In fact it can be argued that rather than the conventional ‘one size fits all’ strategy for supply chain design, the need today is for multiple supply chain solutions. One way to identify what types of supply chain strategies might be appropriate in different circumstances is to position the products in an organisation’s portfolio according to their supply and demand characteristics. By ‘supply characteristic’ is meant the lead time of replenishment. This could be replenishment of the product itself if it is bought in (e.g. a retailer) or of components in the case of a manufacturer. Clearly, if replenishment lead times are short then a different supply chain strategy can be employed than when lead times are long. Demand conditions may be characterised by the predictability of demand. One measure of demand predictability is the variability of demand; by definition demand that does not vary much from one period to another is easier to predict. Figure 5.2 suggests four broad generic supply chains strategies dependent upon the combination of supply/demand conditions for each product.
In those cases where demand is predictable and replenishment lead times are short, then a ‘Kanban’ type of solution is indicated. This is a philosophy of continuous replenishment where, at its extreme, as each product is sold or used it is replaced. In the top left-hand box where lead times are long but demand is predictable then a ‘lean’ type approach will be appropriate. Materials, components or products can be ordered ahead of demand and manufacturing and transportation facili- ties can be optimised in terms of cost and asset utilisation. Conversely the bottom right-hand corner is the real domain of the agile supply chain. Here demand is unpredictable but lead times are short, enabling ‘quick response’ type solutions – the extreme case being make-to-order (but in very short time-frames).
Kanban Continuous
replenishment
Agile Quick
response
Lean Plan and optimise
Hybrid De-couple
through postponement
Predictable Unpredictable
Write your answers to the following question in Short Essay Format: Question 1A. Question 1B should be done in a Table Format. Be sure to include reasons and facts as required to support your answers. Cite examples.
Project format: Each page must be typed in 12-point Times New Roman or similar typeface, 1” margins on all sides, double-spaced. Please remember to correct misspellings and grammatical errors. On the first page, in the upper right hand corner, place your name, class title (TECH 454 – Environmental Engineering), and the date. Also on the first page, below the name block, place the title: “Project 2”.
Number your answers for each question.
(45 points total) One way to manage today’s excessive municipal solid waste (MSW) output is to incinerate it. Waste incineration has two benefits: one is that landfills won’t fill and close as quickly, and the other is that burning the waste can produce energy. It is estimated that up to 90% (by volume) of waste can be kept out of landfills by incinerating it. Waste incinerators have been around for a long time, but were phased out in the 1970s due to pollution concerns and other negative effects on the environment. Today’s waste-to-energy facilities are making a comeback and it is due in large part to technological improvements that reduce the amount of pollution.
(25 points) Describe how waste can be used to generate energy from burning municipal solid waste and discuss the current ways of pollution control for landfills. Can the ash left behind from the burning operations be used, or should it be disposed of in a landfill?
- (20 points) Table Format.Suppose an incineration facility costs your city $50 million to build. The facility would be capable of burning 750 tons of waste per day producing 14 megawatts (14/24 MW hr) of electricity, which can be sold for $0.095 per kilowatt hr. It will cost nothing additional to take the waste to the facility, as opposed to paying $105 a ton fee to have it buried in a landfill. How long will it take for the waste-burning facility to pay for itself? Ignore operating costs. Assume the facility operates 24/7, 365 days a year.
Number your answers for each question.
(30 points total) Visit a local hardware or large retail store and identify a variety of products that incorporate a rechargeable battery as part of the design. Give examples and describe for each part:
(10 points) One product that was designed for easy removal and replacement of the battery. Describe how the battery removal works.
(10 points) One product that has good labeling to inform the consumer about the proper disposal of the battery. (Think easy to see/read.)
(10 points) Describe one product that you could suggest physical modifications to its design to make it easier to access and replace the batteries. (Putting a label on the product does not count as a physical modification.)
(15 points total) Use the Internet or library to help find information on wind power. What are the current barriers to the building of more wind farms? How much progress has been made in improving the efficiency and reducing the cost of this technology?
Creating the Responsive Supply Chain 101
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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