b. WORK BREAKDOWN SCHEDULE (WBS)
Work Breakdown Structure for CDGA
Project: Johnson Family 3-car Garage w/living quarters
WBS Code Task/Subtask Duration Milestones Who
1 Remove Trees from site 2 Days
Johnson
2 Draw up blue prints 2 Days
CDGA
3 Measure site 1 Day
CDGA
4 Submit plans city approval 7 Days
CDGA
4.1 Survey site 1 Day
CDGA
4.2 Stake site 1 Day
CDGA
5 Order grader Equip. Sim
CDGA
6 Get on Utilities Calander Sim
CDGA
Site and architectural plans approval Sim X
7 Grade site-remove debris 1.5 Days
?
6.1 Utilities dig 2 trenches 2 Days
City
8 Get on foundation Calander Sim
CDGA
9 Get on Carpenters Calendar Sim
CDGA
10 Order Windows Sim
CDGA
8.1 Order four cement trucks Sim
?
6.2 Utilities connected 2 Days X City
6.3 City back fills trenches .25 days
City
7.1 Site is final regrade .25 Days
?
8.2 Slab is poured 1 Day
?
Slab foundation finished
X ?
8.3 2-days Dry Time 2 Days
?
11 Order framing Materials Sim
CDGA
12 Order Steel Siding Sim
CDGA
10.1 Windows Arrive Sim
8.4 Foundation Inspected Sim
City
11.1 Framing Materials Arrive Sim
9.1 Carpenters arrive Sim
12 Order Sheet Rock/Insul. Sim
CDGA
11.2 Frame base and walls 1 Day
CDGA
11.3 Finish Fr. walls/Start Truss 1 Day
CDGA
11.4 Finish truss/Start wall boards 1 Day
CDGA
13 Plumb/Eletr. rough-in Sim P&E
11.5 Finish walls & windows 1 Day
CDGA
14 Start Siding 4 Days
CDGA
15 Order Counters/Cab./Floor Sim
CDGA
16 Order Appliances Sim
CDGA
17 Roof Shingles started 3 Days
CDGA
13.1 Plumb/Eletr. Rough Insp. Sim
P&E
18 Rock walls/Insul. 5 Days
CDGA
18.1 Tape/Mud 1 Day
CDGA
18.2 Tape/Mud & Sand 1 Day
CDGA
Finish Siding & Shingles Sim X CDGA
18.3 Mud & Sand 1 Day
CDGA
18.4 Mud & Sand 1 Day
CDGA
18.5 Spray ceiling .5 Days
CDGA
18.6 Final Mud & Sand 1 Day
CDGA
15.1 Install Count/Cab./Floor 3 Days
CDGA
19 Paint & Trim 2 Days
Laborer
5.1 Order grader Equip. Sim
?
16.1 Install Appliances Sim
CDGA
19.1 Finish Paint & Trim Sim
Laborer
13.2 Plumb./Eletr. Finish Sim
P&E
7.2 Grade Drive/sidewalk .75 Day
?
13.3 Plumb./Eletr. Finish 2 Days
P&E
Plumb/Ele. Final Inspect. Sim X City
8.5 Order two cement trucks Sim
?
8.6 Pour Drive/Sidewalk 1 Day
?
8.7 2-days Dry Time 2 Days
?
Driveway & sidewalk finished Sim X ?
20 Clean up site .5 Days
Laborer
21 Pass final inspection .25 Days X City/CDGA
Task flow network and critical path
Arrange WBS elements in the form of a task-flow network to determine
task
dependencies. Determine the critical path, including necessary resource
allocation to
achieve project objectives in the appropriate timeframe. Indicate
earliest occurrence
times and highlight the critical path. This can be done by flow charting
software.
Business Homework Solutions
#21940
Project Management
Task flow network and critical path
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