3. Prepare a conceptual design for rural collector highway 15 Km with three interchanges between Muscat and Nizwa accord

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3 Prepare A Conceptual Design For Rural Collector Highway 15 Km With Three Interchanges Between Muscat And Nizwa Accord 1 (43.42 KiB) Viewed 8 times

3. Prepare a conceptual design for rural collector highway 15 Km with three interchanges between Muscat and Nizwa according to DMRB standard. The design should include Minimum design speed, Recommended lane width and Preferable shoulder width, Right of Way, Maximum grade, and the minimum length of a vertical crest curve and sage vertical curve. Consider If the traffic is expected to be 150% from the current traffic up to June 2030. To determine the ADT on the road, the data was collected as shown below in table 1 on a Wednesday during the following hours. The grades for the curve is shown in table 2. Table 1: Traffic volume at a specific time 7:00-8:00 8:00 9:00 9:00- 10:00- a.m. a.m 10:00a.m 130 11:00.m 50 11:00-12 noon 20 150 120 Table 2: Grades for the curve Up fill grade +4 Down fill grade -2 I. Consider the following for the sage vertical curve criteria :(a) Stopping sight distance, (b) Comfort (c) General appearance II. Give your reasons for selecting your highway features. III. Provide a summary describing your route alignment and its major features (maximum 300 words).