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Q1: 1. (50 pts) Provide a description of the physiographic and geologic setting of your hometown.Your description should include: a) (10 pts) The city, county, and state as well as the Latitude and Longitude of the location that you considered. (15 pts) The physiographic section and district of your location and a brief description of this section/district. c) (15 pts) The geologic formation(s) that are present at your location and the published description of the formation(s). d) (10 pts) Supporting maps showing the physiography and geology of the area with your location marked on them.See Answer
Q2: -14Three designs have been proposed to improve traffic flow at a major intersection in a heavily traveled suburban area. The first alternative involves improved traffic signaling. The second alternative includes traffic-signal improvements and intersection widening for exclusive left turns. The third alternative includes extensive reconstruction, including a grade separation structure. The construction costs, as well as annual maintenance and user costs, are listed in the following table for each alternative.Determine which alternative is preferred based on economic criteria if the analysis period is 20 years and the annual interest rate is 15 percent. Show that the result is the same using the present worth, equivalent annual cost, benefit-cost ratio, and rate-of-return methods. See Answer
Q3: Perform all the critical path computations as taught in lecture, incl. ES, EF, LS, LF,TL, TE, Project Duration and FF/TF for each activity and answer the questions provided in the answer sheet. See Answer
Q4: Q3. Following are the cut and fill areas taken from the field. Calculate the net cut or fill volume using Mass diagram method as discussed in class. See Answer
Q5: 1. For the following figure determine the area using the appropriate formulation: where, a = 5, b = 8.9, c = 9.2, d = 5, e = 10, f= 5.5, g = 12, h = 2See Answer
Q6: 2- change the angels 134° 42' 08“ to radian 46° 51' 15" to radianSee Answer
Q7: Mid-Ordinate Rule \text { Area }=w\left(h_{m 1}+h_{m 2}+h_{m 3}+h_{m 4} \ldots+h_{m n}\right) W = width hm = Height of the mid ordinate Trapeziodal Rule \text { Area }=w\left(\frac{h_{1}+h_{n}}{2}+h_{2}+h_{3} \ldots+h_{n-1}\right) hHeight of the ordinate w = width Simpsons Rule: For an even number of strips: \text { Area }=\frac{w}{3}\left(\text { (1st + last ordinate) }+\left(4 \times \sum \text { even ordinates }\right)+\left(2 \times \sum \text { odd ordinates }\right)\right) w = width Length of an arc = 2nR B/360; \text { Length of an arc }=2 \pi \mathrm{R} \beta / 360 ; \text { Long chords }=2 R \sin (\theta) \text { Tangent lengths = R tan ( } \beta / 2 \text { ); } \text { Tangential angles ( } \theta \text { ) }=(c / R) \times 90 / \pi Where R is the circular curve radius, B is the deviation angle and c is the chord length.See Answer
Q8: Land surveying includes gaining measurements of the built and the natural environment that are both precise and accurate. Professional surveying skills are required for all construction projects and form the fundamental process by which designs can become a reality. A key concern of surveyors is to work efficiently and effectively to save costs, improve sustainability and identify issues and solutions to maximise the accuracy and quality of their work. The objectives of this coursework have been designed to demonstrate and enhance your ability to: Evaluate the role of surveying in large projects with a particular focus on earthworks; Demonstrate a clear understanding of errors in key surveying tasks: • Use surveying knowledge and understanding to reduce the impact of errors in their work.See Answer
Q9: 6- Calculate the coordinates: Angle ( B ) = 32° 30' 40“ The Azimuth of line ( AB ) = 120° 30' 25“ Coordinate A = ( 220 N , 150 W) Coordinate A = ( 220 N, 150 W) Length ( CD ) = 150 m Length ( BC ) = 200 m Length ( AB ) = 106 mSee Answer
Q10: 13-15A road is being proposed to facilitate a housing development on a scenic lake. Two alter-natives have been suggested. One of the roadway alignments is to go around the lake and slightly impact a wetland. The second alternative will also go around the lake and will significantly impact two wetlands. The following table shows the anticipated costs for each alternative. Assuming that the annual interest rate is 7 percent, determine which alternative is preferred using equivalent annual cost analysis. See Answer
Q11: Three transportation projects have been proposed to increase the safety in and around a residential neighborhood. Each project consists of upgrading existing street signing to highly retro reflective sheeting to increase visibility. The following table shows the initial construction costs, annual operating costs, useful life of the sheeting, and salvage values for each alternative. Assume that the discount rate is 10 percent. Calculate the present worth for each alternative and determine the preferred project based on the economic criteria.13-12 See Answer
Q12: 4. An instrument is set over point “A" with a 5.45 ft. H.I. A vertical angle of -9°35'17" and a slope distance of 253.86 ft. were taken to a rod 5.17 ft. above point "B". The elevation of point “B" is 272.10 ft.What is the elevation of point “A"? (Draw a sketch to support your answer).See Answer
Q13: 5. A total station is set up over point "BM 1"and a zenith angle of 84°45'38" to the top of a tower. The horizontal distance from “BM 1"to the tower is 347.68 feet. The H.I. of the total station is 5.16 feet and the elevation of "BM 1" is 115.98 feet. What is the elevation at the top of the tower? (Draw a sketch below to support your answer)See Answer
Q14: 3.19 Repeat Problem 3.18 if for an instrument set up 850.0 ft from a tower with its telescope center 5.500 ft above the ground. The telescope is sighted horizontally to a point5.500ft from the bottom of the steeple and then the angle to the top of the steeple is measured. It's 28°20. How tall is the tower?(Ans.:287.16ft)See Answer
Q15: 13-13Two designs have been proposed for a short-span bridge in a rural area, as shown in the following table. The first proposal is to construct the bridge in two phases (Phase I now and Phase II in 25 years). The second alternative is to construct it in one phase. Assuming that the annual interest rate is 4 percent, use present worth analysis to determine which alternative is preferred. See Answer
Q16: The following table shows two sets of coordinates in terms of Easting, Northing and level.SET 1 Given data(Green) to be set out (positioned on ground). These coordinates are measured using GNSS (Global Satellite Navigation System). SET 2 The set out data(Blue) positioned on the ground. The setting is carried out using a total station.Required: 1. Calculate the coordinate differences in Easting, Northing and Levels (Yellow Columns) 2. Draw the two sets of coordinates(E,N) to a suitable scale(i.e 1:50, 1:75,..).Add level value and point description for each point. You may use Auto CAD/other software or manually on graph paper. 3. Calculate distance and bearing between instrument station(500,1000) and Manhole(504.096,1016.686), Gully2(506.342.1022.870) and CP3(510.692.1026.029) 4. Comment on the accuracy of positioning these points: Expected differences in Easting and Northings are within 15mm and 20mm for levels See Answer
Q17: 10. In the following instances calculate the forward and backward bearings. See Answer
Q18: You are required to develop a preliminary sewer design for a gravity fedpipeline network to service a subdivision development. (i) Provide a planof your design (to scale or close to scale, I would suggest you blow up toA4 size and work out the scale) including manhole location, stubs, offsetdistances, house connections etc. and (ii)a discussion of your designand/or any design issues. Assume a 150mm pipe will be sufficient pipesize to drain into M/H2. See below Lot plan (obtain from StudyDesk), nocalculations are required, assume the standard lot width is 20m wide forscale purposes (the plan scale will be incorrect because of re-sizing). Plan/design: (i) 40mks for servicing lots, appropriate manholes,appropriate offsets, servicing house connections. (ii) Discussion: 40mksSee Answer
Q19: - A rail overhead mast for an as-constructed survey requires the surveyor to submit a chainage/meterage and radial offset (meant to be 26580 and 3.0m) from the design centreline (around the curve), to record its position. From the starting point tangent (TS)of 26480m the following angle and distance were observed from the straight, 5°16'30", 99.83m. The horizontal circular curve has a radius of 800m and curves to the right. (i) Calculate the chainage/meter age based upon an arc length and radial offset from the centre- line for the overhead mast. (This is a typical as-constructed problem solving question, there are no examples in the study book, it could be done by calculation or by CAD, if done by CAD it must be supported by a plan view). (ii) If the compliance is+/- 30mm from 3m for offset and +/- 50mm for chainage/meter age from 26580m. Calculate and state whether the mast meets compliance for offset and chain age/meter age? Fully document your answer. b. A resection for road construction set-out has been undertaken from an arbitrary position and on an arbitrary datum. The following observations were made to 2 known control points (fully document your answers): Control point 2 (300.01 E, 600.01N); FL 0° 0' 0", FR 180° 00' 10"101.086m Control point 1 (280 E, 400 N); FL 183° 00' 45", FR 3° 00' 45"99.983m Reduce the readings and calculate the radiation required from the point (on the control line datum) to set-out the road centre-line at 10140m (250.00 E, 460.00 N). (Failure to correctly reduce the angular readings will result in significant reduction of marks) If the instrument control point has an elevation of RL100.200m, height of instrument is 1.61m, height of target is1.525m and the following vertical observations (zenith angle,slope distance) were made remotely to point 440m: Observations to 440: ZA 89° 20' 40", Slope distance 58.00m Calculate the required constructed pavement layer thickness(loose) if point 440m has a design grade level of 101.100mand there is a bulking factor of 25%. . A client has approached you about building a rectangular ring-tank 3dam to hold a volume of water greater than 4000 m³. The client believes that at depth of 4.0m for a dam base of 35 x 19 metres with1.5:1 (horizontal to vertical) batters the storage capacity should be within the desired range. Calculate the storage capacity for the dam? Note: There are a number of different methods and formulae available to compute the task. If you choose to computer model the dam, you must submit a software generated volume calculation report and also a check manual calculation(15 marks)See Answer
Q20:Q1. Define Control Survey and explain triangulation and trilaterationSee Answer

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