A shallow trench for a 1,000-foot waterline installation will take 10 days. It will take 4 days to install the first 400 feet of pipe. A water meter will then be installed during the following 2 days at the end of the pipe. After the meter is installed, the remaining 600 feet of pipe will be installed in 6 days. Develop a linear schedule for this project.

1. A project consists of replacing the track on an existing railroad line, involving 3,000 feet of track. The old track can be removed at a rate of 70 feet per hour. The old rail-
road ties can be removed at a rate of 200 feet (measured along the track) per hour. The new ties can be installed at a rate of 25 feet per hour, and the replacement track canbe installed at a rate of 40 feet per hour. Show this operation on a linear schedule. Assume that the minimum float for an activity at any location is 1 day.
2. A 1,500-foot subdivision street is to be constructed. The layout will be completed in 3 days, the fill will be brought in over the course of 8 days, the compaction/grading will be completed in 5 days, the asphalt topping will be done in 3 days, and the striping will take 1 day to complete.
Using a minimum float guideline of 1 day, develop a linear schedule for this project. What is the project duration if no activities are to be interrupted? Suggest ways that
the duration can be shortened.
3. A shallow trench for a 1,000-foot waterline installation will take 10 days. It will take 4 days to install the first 400 feet of pipe. A water meter will then be installed during
the following 2 days at the end of the pipe. After the meter is installed, the remaining 600 feet of pipe will be installed in 6 days. Develop a linear schedule for this project.
4. Describe a project that might not be well suited for linear scheduling.

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