Activity List for a Reroofing Project Activity Description 1 Mobilize 2 Set up scaffolding 3 Construct security barricades 4 Strip off old roofing 5 Repair damaged decking 6 Repair damaged cant strip 7 Replace sheet metal 8 Install felt roofing Duration Days 1 2 1 3 2 1 1 1 Predecessors 1 2 SS/1 2,3 4 SS/1 4,5 5 SS/1 6,7
Activity List for a Reroofing Project Activity Description 1 Mobilize 2 Set up scaffolding 3 Construct security barricades 4 Strip off old roofing 5 Repair damaged decking 6 Repair damaged cant strip 7 Replace sheet metal 8 Install felt roofing Duration Days 1 2 1 3 2 1 1 1 Predecessors 1 2 SS/1 2,3 4 SS/1 4,5 5 SS/1 6,7
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![Activity List for a Reroofing Project
Activity Description
1 Mobilize
2 Set up scaffolding
3 Construct security barricades
4 Strip off old roofing
5 Repair damaged decking
6 Repair damaged cant strip
7 Replace sheet metal
8 Install felt roofing
9 Hot mop roof
10 Inspect roofing
11 Call for inspection
12 Remove scaffolding
13 Haul off roofing materials
14 Demobilize
Duration Days
Using the activity list provided above:
Draw a precedence diagram
1
2
1
3
2
1
1
1
2
1
1
2
2
1
*Under Predecessors, the following notation is used:
x/#: Activity x must finish # days before this activity can begin.
xSS/#: The # of days after activity x starts that this activity can begin.
xFF/#: This activity cannot finish until # days after x is completed.
XSF/#: This activity must finish # days before x can start.
Predecessors
1
2 SS/1
2,3
4 SS/1
4,5
5 SS/1
6,7
8
9
10 SF/3
10
6,7
12 FF/1, 13 FF/1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8ab2a08c-1a87-4c82-9da5-56b391a62f8c%2F8613e3d9-93bb-4fe5-af32-42aaecc781ea%2Fels51q_processed.png&w=3840&q=75)
Transcribed Image Text:Activity List for a Reroofing Project
Activity Description
1 Mobilize
2 Set up scaffolding
3 Construct security barricades
4 Strip off old roofing
5 Repair damaged decking
6 Repair damaged cant strip
7 Replace sheet metal
8 Install felt roofing
9 Hot mop roof
10 Inspect roofing
11 Call for inspection
12 Remove scaffolding
13 Haul off roofing materials
14 Demobilize
Duration Days
Using the activity list provided above:
Draw a precedence diagram
1
2
1
3
2
1
1
1
2
1
1
2
2
1
*Under Predecessors, the following notation is used:
x/#: Activity x must finish # days before this activity can begin.
xSS/#: The # of days after activity x starts that this activity can begin.
xFF/#: This activity cannot finish until # days after x is completed.
XSF/#: This activity must finish # days before x can start.
Predecessors
1
2 SS/1
2,3
4 SS/1
4,5
5 SS/1
6,7
8
9
10 SF/3
10
6,7
12 FF/1, 13 FF/1
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