Effort Task Deck Predecessors (Days) Plan A Design deck 40 Buy materials 24 A Construction Dig holes 8 A Cut posts 4 E Install posts 4 C, D F Pour concrete 2 E Cut wood for floor B H Install floor 8 Cut wood for railing D Install railing 12 K Paint deck F, Н, Ј B. 4.

Understanding Business
12th Edition
ISBN:9781259929434
Author:William Nickels
Publisher:William Nickels
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
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Given the data (see table below):

  • Draw a network diagram
  • Determine the duration of the project
  • Indicate the critical path
  • Determine the float for each task
  • Describe possible ways to reduce the duration of the project

 

### Project Task Breakdown

#### Plan Phase

1. **Task A: Design deck**
   - **Effort (Days):** 40
   - **Predecessors:** –

2. **Task B: Buy materials**
   - **Effort (Days):** 24
   - **Predecessors:** A

#### Construction Phase

3. **Task C: Dig holes**
   - **Effort (Days):** 8
   - **Predecessors:** A

4. **Task D: Cut posts**
   - **Effort (Days):** 4
   - **Predecessors:** B
   
5. **Task E: Install posts**
   - **Effort (Days):** 4
   - **Predecessors:** C, D

6. **Task F: Pour concrete**
   - **Effort (Days):** 2
   - **Predecessors:** E

7. **Task G: Cut wood for floor**
   - **Effort (Days):** 4
   - **Predecessors:** B

8. **Task H: Install floor**
   - **Effort (Days):** 8
   - **Predecessors:** G

9. **Task I: Cut wood for railing**
   - **Effort (Days):** 2
   - **Predecessors:** D

10. **Task J: Install railing**
    - **Effort (Days):** 12
    - **Predecessors:** I

11. **Task K: Paint deck**
    - **Effort (Days):** 2
    - **Predecessors:** F, H, J
    

### Explanation

This project involves a systematic approach to building a deck. It is divided into two main phases: **Planning** and **Construction**. Each task within these phases has a specific duration and dependencies listed under predecessors. 

- **Planning Phase:** Comprises designing the deck and purchasing materials.
- **Construction Phase:** Involves physical tasks like digging holes, cutting posts, installing posts, pouring concrete, cutting wood, and others. The dependencies indicate which tasks need to be completed before others can start.

Understanding the predecessors is essential for proper project sequencing, ensuring that all tasks are completed in the correct order to facilitate a smooth construction process.
Transcribed Image Text:### Project Task Breakdown #### Plan Phase 1. **Task A: Design deck** - **Effort (Days):** 40 - **Predecessors:** – 2. **Task B: Buy materials** - **Effort (Days):** 24 - **Predecessors:** A #### Construction Phase 3. **Task C: Dig holes** - **Effort (Days):** 8 - **Predecessors:** A 4. **Task D: Cut posts** - **Effort (Days):** 4 - **Predecessors:** B 5. **Task E: Install posts** - **Effort (Days):** 4 - **Predecessors:** C, D 6. **Task F: Pour concrete** - **Effort (Days):** 2 - **Predecessors:** E 7. **Task G: Cut wood for floor** - **Effort (Days):** 4 - **Predecessors:** B 8. **Task H: Install floor** - **Effort (Days):** 8 - **Predecessors:** G 9. **Task I: Cut wood for railing** - **Effort (Days):** 2 - **Predecessors:** D 10. **Task J: Install railing** - **Effort (Days):** 12 - **Predecessors:** I 11. **Task K: Paint deck** - **Effort (Days):** 2 - **Predecessors:** F, H, J ### Explanation This project involves a systematic approach to building a deck. It is divided into two main phases: **Planning** and **Construction**. Each task within these phases has a specific duration and dependencies listed under predecessors. - **Planning Phase:** Comprises designing the deck and purchasing materials. - **Construction Phase:** Involves physical tasks like digging holes, cutting posts, installing posts, pouring concrete, cutting wood, and others. The dependencies indicate which tasks need to be completed before others can start. Understanding the predecessors is essential for proper project sequencing, ensuring that all tasks are completed in the correct order to facilitate a smooth construction process.
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