Public Works Final || A Verified A+ Pass.

How can an engineer best approximate the sites drainage properties, despite all of the approximations and categories? correct answers While there are approximations for hydrologic conditions, there are safety factors in designing a site in case the calculations were slightly off due to a false approximation. Furthermore, considering how many approximations there are, if one is slightly off, the final conditions of the site shouldn't change drastically. Professional development and training can help drainage engineers in Florida become more experienced in choosing the correct conditions for a site, thereby making the drainage properties as accurate as possible. More research can also be done to determine and reduce the standard error of prediction for watershed-specific peak runoff regression equations. What is most gutter flow usually associated with? correct answers Pavement Drainage and Storm Drain Design Why does economical analysis require a higher level of expense and effort than Risk Assessment? correct answers economic - complete evaluation of all quantifiable flood losses and the costs associated with them for each structure alternative risk assessment - appropriate for small structures/structures whose size is highly influenced by non-hydraulic constraints - no well-defined procedures or criteria for performing risk assessments How to convey more stormwater through the drainage design? correct answers - increased cross slopes convey more stormwater through the drainage structure for the same longitudinal slope - Decreased longitudinal slopes convey more flow through the drainage for the same cross slope What are the ideal goals of stormwater management systems? correct answers To keep post development peak discharge rates, volume, timing, and pollution loading the same as they were before development. Mention five factors that may affect Manning's roughness coefficient, n ? correct answers 1) Surface Roughness 2) Channel Irregularity 3) Channel Alignment 4) Silting 5) Vegetation Draw a flow Chart to show how to get the peak run off rate correct answers WHAT IS THE UNIT OF WATERSHED CURVE NUMBER AND WHAT DOES IT REFLECT? correct answers THE WATERSHED CURVE NUMBER IS A DIMENSIONLESS COEFFICIENT THAT REFLECTS WATERSHED COVER CONDITIONS, HYDROLOGIC SOIL GROUP, LAND USES, AND ANTECEDENT MOISTURE CONDITIONS