All problems will be based on the figure seen below, along with supplemental information to be provided in each problem statement. Please show all work neatly on separate paper, including any preparatory work for inputs to be used in software-based calculations, as partial credit may be granted. Inv. 911.2 B. 4. 1800- 720 Elev. 1055.8- -Elev. 997.0 32 Elev. 980 360° Question 1 (5 points) Assuming the conduit in the figure is a 30" rough riveted steel pipe flowing full, if we move the outlet to point A: a) calculate the head loss in the flow by the time it reaches point A. b) calculate the velocity and flow in the pipe at point A, considering friction. Question 2 (7 points) Assuming the conduit in the figure is a trapezoidal designed rock excavated open channel with bottom width of 5' and side slopes of 4.5' horizontal to 2.5' vertical, and that the flow carried must be the same as in Question 1: a) Determine the critical depth of the flow. b) Determine the normal depth of flow based on Manning's equation. c) If we place a 65° V-notch weir at the left side of the reservoir, with the bottom of the notch 71' above the invert, what will be the discharge over the weir? d) Determine the size and character of the hydraulic jump occurring at the gate. (Assume the initial depth is the depth emerging from the gate.) Question 3 (8 points) For the reservoir at the top of the figure (assuming it is 140 feet long by 30 feet wide): Determine, via NRCS TR-55, approximately how long the reservoir, if empty, will take at peak runoff to reach the elevation shown during a 50-year design storm in the Indianapolis, IN, area based on the following characteristics of a drainage area flowing into it: a. Cover based on Snelling soil of which: i. 85 acres are good brush ii. 45 acres are fair woods iii. 3 acres consist of dirt road b. Time of concentration based on: i. Overland flow for 80 feet from Elev. 1108' to Elev. 1106', on wood cover with light underbrush ii. Shallow concentrated flow for 2800 feet (unpaved) to the top of the reservoir Question 4 (4 points) Determine whether a wall on the chamfer (diagonal face) at the left end can safely support the water in the reservoir (using the dimensions from Question #3) at the elevation shown if the wall can support 3800 pounds per square foot.

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All problems will be based on the figure seen below, along with supplemental information to be provided in each problem statement. Please show all work neatly on separate paper, including any preparatory work for inputs to be used in software-based calculations, as partial credit may be granted. Inv. 911.2 B. 4. 1800-