67835 – Assignment 2 is a 30% (300 marks) assessment.Presentation

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Assignment 2 is a 30% (300 marks) assessment.Presentation can influence the marks allocated to an assignment and to each question within that assignment. Answers should directly address the question and reflect the criteria outlined in the provided marking rubric.Your assignment submission will vary depending on the method you choose to answer the questions. All submissions should identify you via your student number or name and should provide sufficient evidence for the marker to clearly identify which question is being addressed.Any published material you refer to should be properly referenced and included in a bibliography or list of references at the end of your assignment. You should use the Harvard AGPS style of referencing. See the library website for further details on referencing: https://www.usq.edu.au/library/referencinga. You are to draw a Long Section Plan of the below table labelling the chainage, design levels, natural surface levels, cut/fill and the grades (in %) for the straight grade components of the vertical curve (you will need to calculate the grades %). (30 marks)Chainage Natural Surface RL Straight grade RL of the tangents Design surface RL (vertical curve)600 31.0 30.5 30.5620 31.5 31.2 31.19640 32 31.9 31.86660 33 32.6 32.51680 33.5 33.3 33.14700 34 34 33.75720 34 34.5 34.34740 34.5 35 34.91760 35 35.5 35.46780 35.5 36 35.99800 36 36.5 36.5b. If the instrument control point has an elevation of RL 100.25m, height of instrument is 1.67m, height of target is 1.200m and the following vertical observations (zenith angle, horizontal distance) were made remotely to a pavement check point:Observation: ZA 92° 21 20-, Horizontal distance 38.00mCalculate the loose material for a constructed pavement layer thickness, if the check point has a design grade level of 99.300m and the aggregate material has a compaction factor of 25%. (20 marks)c. You are required to develop a preliminary sewer design for a gravity fed pipeline network to service a subdivision development, (i) Provide a neat plan or sketch of your design (to scale or close to scale, I would suggest you fit to A4 size and work out an approx, scale) including manhole location, stubs, offset distances, house connections etc. and (ii) a rationale and discussion of your design method and any design issues. Assume a 150mm pipe will be sufficient pipe size to drain into the manhole M2. See below Lot plan (obtain from StudyDesk), no calculations are required, the scale is about 1:2000 (the plan scale may be incorrect because of resizing, you can check by the standard lot width of about 18.9m). (25 marks each, total 50 marks)Question 2 Building set-out, Urban stormwater (100 Marks)a. A compression program is required for accurate floor set-out of a mid-level high rise of 41m tall. The building has an 8m tall lobby and 3m soffit floor levels. The building is predicted to compress at 0.5mm per metre rate under load (0.5mm or 500ppm). Calculate the formwork heights to compensate for the shrinkage. (20 marks)b. You are required to place six sight-hole/penetrations for a small high-rise building. Mark the positions with respect to the grid and/or columns on a sketch/diagram. List checks you would apply to confirm the location and layout of your grid corners; the positioning of the building; and the shape of the building. (20 marks)0 Pegc. (i) From Module 9 Figure 9.3(b), interpolate the IOJ45 rainfall intensity in mm/hr for the local area nominated on the figure?(ii) From Module 9 Figure 9.3(b), for a 10 minute duration and lOOmm/hr rainfall intensity, state the range of standard AEP values where that event would be situated between.(iii) Name the frequency descriptor that describes a 1 in 20 year rainfall event.University of Southern Queensland | SVY2303 Assignments 14¦(iv) Name the standard major/minor development categories that have a2 year ARI or 50% AEP.(v) What is the time of travel by Friends equation for a 100m flow, where the surface slope is 0.2% and Hortons n value is 0.015?(vi) For a sag pit and if Qi = 1.66 P d15, calculate the inlet flow rate for a 600x400mm (length x width) pit that will pond to 120mm depth.(60 marks total, 10 marks each)JuestioUrbaa. A rural stormwater channel requires a piped culvert design (only one RCP configuration is to be calculated, DO NOT CALCULATE RCBC configurations). The channel is approximately 5m wide and needs multiple circular pipes, you have a wide range of RCPs on hand.(i) Calculate an RCP configuration and fully document your answer. (35 marks)The following design data has been provided:Design Discharge Qso = 9.0 m3/s.Allowable outlet velocity = 4 m/sec.Flood level = 52.0mInvert level of channel at outlet = 61.0 mSlope of culvert = 0.010 m/mAllowable headwater depth = 2.5 mLength = 25 mKe – 0.5(ii) Using your design from part (i), justify the design and pipe selection for channel width, tailwater, headwater, scour protection,University of Southern Queensland | SVY2303 Assignments 15control or any other specific changes that would be advantageous for design and construction. (30 marks)b. In a stormwater network hydraulic design of a 40 m pipe length between two pits, the following data is provided:Upstream pit surface level: 80.8 mDownstream pit surface level: 80.2 mPit energy loss coefficient kw: 4.0Minimum freeboard at pits: 150 mmMinimum pipe cover: 400 mmPipe wall roughness ks: 0.06 mmFlow rate Q: 145 litres per secondp = 0.001139 Kg/msFor a 375 mm diameter pipe, suitable for full-pipe flow, calculate upper and lower limit obvert levels for the pipe reach and the pipe gradient based upon the physical cover and slope of the total energy line. (35 marks)

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