Construction Management & scheduling

Assignment 4

Q1. 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 railroad 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 can be 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 one day. 40 points

Q2. Describe a project that might not be well suited for linear scheduling. Please provide good

explanation of the project and the reasons why linear scheduling is not suitable for that project.

20 Points

Q3. Create a linear schedule for highway project 15 miles long considering following

information

(Please round to the nearest integer for duration in days). 40 points

Activity Productivity rate (miles/day) Time buffer (days)

Survey and

layout

2.5

Clear and Grub 0.75 1

Earthwork 0.36 for the first 5 mile

2 idle days

After the idle days, 1 miles for rest of the miles

1

Sub-base 1.0 17

Base 1.0 1

Paving 3 11

Signage 7.5 3