The accompanying map, located on the back page of Section A, shows ground contours at 5 metre vertical intervals on a proposed golf course - Leaving Cert DCG - Question C-1 - 2014
Question C-1
The accompanying map, located on the back page of Section A, shows ground contours at 5 metre vertical intervals on a proposed golf course.
ABC is the centerline of... show full transcript
Worked Solution & Example Answer:The accompanying map, located on the back page of Section A, shows ground contours at 5 metre vertical intervals on a proposed golf course - Leaving Cert DCG - Question C-1 - 2014
Step 1
Earthworks between A and B (Level) - Embankment
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Answer
Draw parallel lines at 7.5m intervals starting from both A and B along the fairway.
Identify the intersections with the proposed fairway using the contour map.
Draw the necessary earthworks curves where these intersections occur.
Step 2
Earthworks between A and B (Level) - Cutting
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Answer
Draw parallel lines at 7.5m intervals again from points A and B.
Identify intersection points with contours and draw the cutting line accordingly.
Step 3
Earthworks for Putting Green (Level) - Embankment
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Answer
Draw parallel curves at 7.5m intervals for the putting green outline.
Identify intersections with the contour map and draw the required curve.
Step 4
Earthworks between B and C (Rising) - Embankment
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Answer
Establish the gradient of 1 in 20 rising from point B to C.
Draw the earthworks required with appropriate slopes using the determined points.
Step 5
Profile on DE
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Answer
Measure and draw height lines at 5m intervals for the vertical section along DE.
Project intersections between line DE and the contours on the map to determine levels.
Draw the right hand portion of the profile from D to E.
Step 6
Parabolic Flight Path of ball on point E
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Answer
Establish the highest point of the ball on the flight path as 115m.
Use parabolic equations to determine points on the parabola based on the given maximum height and horizontal distance.
Draw the parabola and identify the impact point on the green where the ball lands.
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