Chapter 6 Developing a Project Schedule 199 10. K. Nelson, project manager of Print Software, Inc., wants you to prepare a project network; compute the early, late, and slack activity times; determine the planned project duration; and identify the critical path. His assistant has collected the fol- lowing information for the color printer drivers software project: ID Description Predecessor Time External specifications None Review design features A 8 W N OO Document new features DP Write software Program and test B 40 Edit and publish notes C 2 FX L - IQ TMDOWD Review manual D 2 Alpha site E. F 20 Print manual G 10 Beta site H. I 10 Manufacture 12 Release and ship K 11. A large Southeast city is requesting federal funding for a park-and-ride project.* One of the requirements in the request application is a network plan for the design phase of the project. Sophie Kim, the chief engineer, wants you to develop a proj- ect network plan to meet this requirement. She has gathered the activity time esti- mates and their dependencies shown here. Show your project network with the activity early, late, and slack times. Mark the critical path. ID Description Predecessor Time Survey None 5 Soils report A 20 Traffic design A 30 Lot layout A 5 Approve design B. C. D 80 L-IOTMOOWD Illumination E 15 Drainage 30 Landscape 25 mm mm 15 Signage Bid proposal F. G. H. I 10