You are the Owners project manager on an electrical upgrade project. Existing overhead power lines are being
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Question:
You are the Owner’s project manager on an electrical upgrade project. Existing overhead power lines are being buried in a duct bank to hide them from view in an area of the town that is being revitalized. There are a total of 8.6 miles of power lines being buried. All the power lines being buried are on one street and run in a straight line. Due to the size of the wires, a pull box needs to be installed every 500 feet.
There are three primary activities in burying the power lines:
- Dig and install pull box/conduit
- Pull wires
- Terminate/connect wires
Labor:
- A four-man crew can install one pull box and 500 ft of conduit in 2 days.
- A seven-man wire crew can test and install 1000 ft of wire per day.
- A three-man electrician crew can terminate 7 connections per day.
Task
- Draw an LOB diagram to illustrate how it works. Submission can be handwritten and uploaded or created on the computer.
- Submit a written explanation of what the LOB is going to tell/show the contractor and why it would be useful in this application.
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