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Q1:The given: Project Description Beach Town is a coastal city on the west coast of Florida which is experiencing unprecedented growth because of recent investments in the area by various Fortune 500 companies and influx of people to the region. Historically Beach Town had a uniform mix of industrial, commercial, and residential community, and attracted tourists from various parts of the world because of its white sand beach. Recent investments in industrial and commercial sectors as well as large number of people settling in this area have created an explosive population growth, and the demand for freshwater has sky rocketed. A simplified map of Beach Town is attached. While the sketch is not drawn to scale, the relative positions of the various features of the city are depicted accurately. A river flows through the city and eventually flows in to the Gulf of Mexico. The base flow of the river (during winter) is approximately 500 cubic feet per second (CFS). There is a thriving community along the beach that caters to the tourists. During summer, the city receives approximately 1000 tourists per day which creates additional water demand. It is expected that number of tourists will increase by 10% each year for the next 20 years. Industrial establishments are located on the river upstream of the city. The establishments are grand fathered to discharge treated effluent in the river. Stormwater runoff from the manufacturing facilities drains in the river without much treatment. The industries on the river are permitted to withdraw freshwater from the river. A combined municipal/industrial landfill is located on the northwest boundary of the city that receives wastes from the community as well as from the industries. A freshwater lake is located within 4 miles of the city boundary and is relatively pristine. The city is also surrounded by high quality wetlands along both north and south boundaries. The overall population of the city is characterized as progressive and has active involvement in local decisions.See Answer
Q2:Communicate why you would choose CL2, NaHOCL, UV for disinfection, and which applications (drinking water Vs. wastewater. See Answer
Q3: Compare the designs, waste types, and byproducts of landfills and incinerators.See Answer
Q4: When it comes to final disposal of solid and hazardous wastes, there are really only two remaining viable options. What are they? Discuss the relative advantages and disadvantages to the two major solid waste disposal options.See Answer
Q5: You are a civil engineer on a team designing a bridge for a state government. Yourteam submits what you believe to be the best design by all criteria, at a cost that iswithin the limits originally set by the state DOT client. However, some monthslater, the state undergoes a budget crisis and cuts your funds. Your supervisor, alsoa qualified civil engineer, makes design changes to achieve cost reduction that hebelieves will not compromise the safety of the bridge. You are not so sure, thoughyou cannot conclusively demonstrate a safety hazard. You request that a newsafety analysis be done. Your supervisor denies your request on the grounds oftime and limited budget. What do you do?See Answer
Q6: ] Human Development Index. List and describe (in one sentence each) the three dimensions of the Human Development Index (HDI). b. Following the example and equations in the textbook, calculate each index below forJapan, Mexico, and Nigeria. The values are given in problem 1-4 at the end of chapter 1. i. Life Expectancy Index ii. Educational Index iii. Income Index iv. Human Development Index For the HDI you calculated above .Which is the highest? Give an explanation as to why the HDI is higher in this country. i. Which is the lowest? Give an explanation as to why the HDI is lower in this country. Draw simple line graphs to show the general relationship for these variables: i. HDI vs. Life Expectancy Index ii. Expected years of schooling vs. Education Index iii. Gross national income vs. Income IndexSee Answer
Q7: What is the concentration of 1-hour O, standard at 25 "C and I atm in ug/m?See Answer
Q8: Discuss the technological, regulatory, and societal factors that influence the cost of solidwaste disposal.See Answer
Q9: A small water shed consists of 2 km2 of forest area (e 0.1), 1.2 km2 of cultivated area(c- 0.2) and I km' under grass cover (c 0.35). A water course falls by 20 m in length of 2 km. The IDF relation for the area may be taken as i-8OT/(t+12) Estimate the peak rate of runoff for a 25 yr frequency,See Answer
Q10: For a coning plume, what is the atmospheric stability class (stable, unstable, neutral)?Does it come with high or low wind speed? Is it good for dispersing pollutants or not?See Answer
Q11: 1. Water flows at a depth of 10 feet in a rectangular canal 13 feet wide excavated in coarse soil. The slope is 8 feet/ 1000 feet. Determine the diameter of a concrete pipe flowing full, that will have the same capacity when laid on the same slope.See Answer
Q12: A 42 inch diameter concrete outfall conduit 500 feet long discharges into an estuary. At high tide, the sewer outlet is submerged a depth of 5 feet above invert. If the beginning invert is at 301.6 ft and the outlet invert is 295.3 fn, determine the capacity and velocity ofthe sewer outfall at high tide when flowing full. Assume n 0,015See Answer
Q13: 4. If the environmental lapse rate is larger than the adiabatic lapse rate, what is the stability condition? Is the air quality generally good or poor under that condition? Briefly explain why.See Answer
Q14: are several solid-waste disposal including sanitary landfills,incineration, chemical treatment, biological treatment, and discharge into sewers,streams, and rivers. What are the advantages and disadvantages of c ach method? What is the greatest source of municipal solid waste today?See Answer
Q15: 2. A dose of 41 mg/L of alum is used in coagulating a turbid water at a water treatment plant treating a flow rate of 32 million gallons per day (mgd). The natural alkalinity of the source water is 10 mg/L (as CaCO3). A l_{2}\left(S O_{4}\right)_{3} 14 H_{2} O+6 H C O_{3}^{-} \longrightarrow 2 A l(O H)_{3 \downarrow}+3 S O_{4}^{2-}+14 H_{2} O+6 C O_{2} a) Will the alkalinity be completely consumed in the reaction? If not, then how much alkalinity will be left? If so, then what concentration of caustic soda (NaOH) must be added to avoid a change in the pH? b) How many kg of aluminum hydroxide (Al(OH)3) is produced per day? See Answer
Q16: Tuition at a university rose from $1,500/year in 1962 to $25,000/year in 2010. What exponential growth rate characterized that period of time? b. If that rate of growth were to continue until 2050 (when your children might be paying tuition), what would the tuition be?See Answer
Q17: Delivery confirmation by architect/Delivery confirmation by superintendent/Receipt and direction of material by onsite management /Receipt and direction of material bysubcontractors Inspection and approval of material Delivery confirmation by subcontractors What are the important steps once material order is placed?See Answer
Q18: Wastewater treatment: Where is the wastewater treatment plant located? 2. When was the wastewater treatment plant built? 3. What type of wastewater does the wastewater treatment plant treat? (e.g. domestic and waste water or industrial and domestic wastewater?) 4. What are the unit processes used for treating wastewater? Explain each step (e.g.screening, aeration basin, disinfection, etc.) The wastewater treatment plant is capable of treating how much wastewater per day? 5. How does the wastewater treatment plant discharge the effluent?See Answer
Q19: 8. (20 points) Complete the below table summarizing the source, mode of production/release, and adverse outcomes associated with each of the six National Ambient Air Quality Standard (NAAQS) criteria pollutants. See Answer
Q20: 1. Construct the log molar concentration-pH diagram for the open carbonic acid system on engineering paper given that KH, co2 ~101.5 mol/L-atm and pCO2 ~103.5atm. 400 x 106 atm = 103.4 atm, and the Henry'sNote: The current pCO2coefficient listed for carbon dioxide at 25°C is 0.033363 mol/L-atm = 101.48mol/L-atmSee Answer

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