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Topic 3: Analysis of building retrofit investment risks using life cycle approach.Research Aims:Retrofitting is carried out to reduce the energy consumption and greenhouse gas emission of a building. Retrofitting of a building requires large investments and a proper risk analysis is required for decision making. Risks in a building retrofit project may come from uncertainties in installation and performance of the retrofit, maintenance, utility cost, discount rate etc. The aim of this research is to conduct a risk analysis of a building retrofit project following life cycle approach, from investor perspective and focus on investment risks.
A Chemical manufacturer emits air with 250 PPM of toluene at 1 atm and 30 degrees C at a flow rate of 10,000 cubic meters per minute.The air is routed to a biofilter to control total emissions to less than 110 kg/day of toluene.
You are a real estate salesperson working for Good Earth, Realtors, Inc. You receive 50 percent of all commissions received by the firm (net of MLS fees) for which you were either the listing agent or the selling agent.
A fine sand has a hydraulic condutivity of 3.5 x 10^-5 m/s a hydraulic gradient of 0.00141, and a porosity of 45 percent. Detrmine the Darcy velocity and the averge linear velocity
A square footing 2 meters by 2 meters is to be constructed 1.22 meters below the ground surface. The groundwater table is located 1.82 meters below the ground surface. The subsoil consists of a uniform, medium dense, cohesionless soil with the follow..
The face of a 100m wide rectangular dam is built at an angle of 60 degrees above the horizontal and holds back a body of fresh water that is 30m deep at the face of the dam
Oil flows through the Trans-Alaska pipeline. Because oil is viscous, you might think that the flow is laminar. (a) What is the minimum flowrate (m3/s) for which the flow would likely be laminar.
Define the term stocky wall Define the term simple bearing.
NH4+ = N+ + NH3 pK =9.24 If the pH is 8.5 and the ammonium(NH4+) concentration in 20mg/L, calculate the ammonia(NH3) concentration in mg/L.
A cooling tower with a cooling capacity of 100 tons (440 kW) is claimed to evaporate 15,800 kg of water per day. Is this a reasonable claim?
Determine the masses of dry air and the water vapor contained in a 240-m3 room at 98 kPa, 23°C, and 50 percent relative humidity.
A carbon steel tank, 6ft. inside diameter X 10 ft. long with a 3/8 inch wall, is sitting on evenly spaced rolls and 4 evenly spaced supports (2 on each side). What is the horizontal force excerted on the supports
Ball A is thrown vertically upward from the top of a 30-m-high building with an initial velocity of 5 m/s. At the same instant another ball B is thrown upward from the ground with an initial velocity of 20 m/s. Determine the height from the ground..
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