Homework 4 – Construction and Water Management 80 points total Refer to Lecture 6a – Construction Part I, 6b – Construction Part II, and Chapter 6 in your textbook. 1. What is the difference between an owner, a design professional, and a constructor? (6 points) 2. Briefly explain the process of ‘Design-bid-build’ construction. How is it different than a ‘design-build’ type of project? (6 points) 3. Describe, in at least one sentence, the main function of the following construction equipment (2 points each): a. Crane b. Skidsteer c. Excavator d. Backhoe e. Grader f. Pile driver 4. What are 5 major components of a construction staging plan? (5 points) 5. What are 5 administrative controls used for environmental management on a construction site? (For example: protecting native plants) (5 points) 6. Explain the major differences between scaffolding, falsework, and formwork. (6 points) Refer to Lecture 7a, slides 11, 12, & 13 and pages 165-166 in your textbook for background information on using the Rational Method for flowrate calculations. 7. The Bush library park is planted with native grasses and is 15 acres in size. Assume the drainage system was designed to handle a 1-hour storm of 100-year-storm magnitude. The intensity data for different storm events for Dallas County can be found in this document, on page 6: http://iswm.nctcog.org/Documents/archives/site_development_manual/Appendices.pdf a. What is the expected flowrate for the native park area, calculated using the Rational Method? The runoff coefficient for the park can be approximated as 0.10. (6 points) b. What would be the design flowrate if they had paved over the area to create a large parking lot, instead of the park? Assume the runoff coefficient of concrete to be 0.92. (6 points) 8. Refer to page 94 in your textbook. What are four common urban stormwater pollutants and their possible sources? What are the possible impacts from each pollutant to receiving waters? (12 points) Refer to slides 6, 7, and 8 of Lecture 7b, and your in-class assignment for the following question. 9. What is the horizontal pressure force from water stored behind a dam wall if the dam is filled to capacity at 425ft? How high up from the bottom of the dam does the force act? (10 points) Read the following article and answer the question below: http://news.nationalgeographic.com/news/2006/06/060609-gorges-dam_2.html 10. What are three negative environmental, social, or political impacts in China from the Three Gorges Dam? What are three positive impacts? (6 points)

## Homework 4 – Construction and Water Management 80 points total Refer to Lecture 6a – Construction Part I, 6b – Construction Part II, and Chapter 6 in your textbook. 1. What is the difference between an owner, a design professional, and a constructor? (6 points) 2. Briefly explain the process of ‘Design-bid-build’ construction. How is it different than a ‘design-build’ type of project? (6 points) 3. Describe, in at least one sentence, the main function of the following construction equipment (2 points each): a. Crane b. Skidsteer c. Excavator d. Backhoe e. Grader f. Pile driver 4. What are 5 major components of a construction staging plan? (5 points) 5. What are 5 administrative controls used for environmental management on a construction site? (For example: protecting native plants) (5 points) 6. Explain the major differences between scaffolding, falsework, and formwork. (6 points) Refer to Lecture 7a, slides 11, 12, & 13 and pages 165-166 in your textbook for background information on using the Rational Method for flowrate calculations. 7. The Bush library park is planted with native grasses and is 15 acres in size. Assume the drainage system was designed to handle a 1-hour storm of 100-year-storm magnitude. The intensity data for different storm events for Dallas County can be found in this document, on page 6: http://iswm.nctcog.org/Documents/archives/site_development_manual/Appendices.pdf a. What is the expected flowrate for the native park area, calculated using the Rational Method? The runoff coefficient for the park can be approximated as 0.10. (6 points) b. What would be the design flowrate if they had paved over the area to create a large parking lot, instead of the park? Assume the runoff coefficient of concrete to be 0.92. (6 points) 8. Refer to page 94 in your textbook. What are four common urban stormwater pollutants and their possible sources? What are the possible impacts from each pollutant to receiving waters? (12 points) Refer to slides 6, 7, and 8 of Lecture 7b, and your in-class assignment for the following question. 9. What is the horizontal pressure force from water stored behind a dam wall if the dam is filled to capacity at 425ft? How high up from the bottom of the dam does the force act? (10 points) Read the following article and answer the question below: http://news.nationalgeographic.com/news/2006/06/060609-gorges-dam_2.html 10. What are three negative environmental, social, or political impacts in China from the Three Gorges Dam? What are three positive impacts? (6 points)

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In Chapter 3 it is mentioned “…the software can dynamically assert truth statements in the form of queries against previously unknown schema types.” Locate this text in the chapter and answer the following questions: a) What do the authors refer to with the above statement? b) How would one form SQL queries on the fly (i.e., without “hard-coding” them) on previously unknown schemas?

## In Chapter 3 it is mentioned “…the software can dynamically assert truth statements in the form of queries against previously unknown schema types.” Locate this text in the chapter and answer the following questions: a) What do the authors refer to with the above statement? b) How would one form SQL queries on the fly (i.e., without “hard-coding” them) on previously unknown schemas?

The author says “Dynamic Query Generation—by providing rich conceptual models … Read More...