Major operations decisions and business projects

Major operations decisions involve significant changes that affect how a business functions, such as shifting to a new site, increasing factory capacity, or adopting different production techniques. These decisions require thorough planning to ensure they use resources effectively, including minimising the time taken to implement them.

Characteristics of business projects

Business projects are targeted tasks that arise when an organisation needs to adapt or improve its operations. They can vary in scale, from small adjustments like adding a new store to a retail chain, to large-scale overhauls such as launching a sustainable product range.

Examples of business projects:

• Implementing a new software system for managing resources across the organisation
• Moving operations to a different country
• Installing updated assembly line machinery
• Entering new overseas markets
• Building an additional warehouse

Resource management in projects

Projects require various resources, including labour, buildings, machinery, management time, and space. Effective management is essential to avoid waste, as unused or underused resources represent the highest costs to a business.

Types of resource waste in projects

• Unused inventory - Stocks that are not utilised take up valuable space and lock up capital
• Idle machinery - Equipment that is not in use wastes the initial investment and may still need maintenance
• Waiting workers - Employees who are not productive increase labour expenses without adding value

Efficient organisations focus on intensive resource use to prevent idle time and assets. However, coordinating resources becomes more difficult in complex projects, where timing is crucial to avoid inefficiencies.

Resource coordination in a construction project:

• Specialised workers - These should only arrive when their expertise is required to avoid unnecessary waiting costs
• Materials delivery - Supplies need to be timed precisely to prevent overcrowding the site or risks like damage and theft
• Equipment hire - Machinery should be rented only for the exact period needed to minimise rental fees

The purpose and process of critical path analysis

Critical path analysis (CPA) is a planning tool that uses network diagrams to determine the shortest possible time to complete a project. It identifies the sequence of activities that must be finished on schedule to avoid delaying the entire project, known as the critical path.

Steps in the critical path analysis process

1. Identify the overall project goal, such as completing a new office build.
2. List all tasks in order and create a network diagram to show their sequence.
3. Assign time estimates to each activity.
4. Determine the critical path by finding the longest sequence of dependent tasks.
5. Monitor progress using the diagram to adjust for any delays.

Notation in network diagrams:

• Arrows - Represent activities, which take time and use resources
• Nodes (circles) - Mark the completion point of each activity

Key concepts in critical path analysis

In CPA, not all activities are equally urgent. Understanding spare time and task independence helps optimise resource use and project efficiency.

Float time in non-critical activities

Float time is the extra time available in activities that are not on the critical path. This spare time allows for flexibility, such as delaying a task without affecting the project's end date, which can help allocate resources more effectively across the project.

Independent activities

Some activities do not depend on others and can be carried out at the same time rather than one after another. Identifying these allows projects to progress faster by running parallel tasks, reducing the overall completion time.

Worked example - Identifying the critical path in a project

A business is planning to launch a new website. The project has four activities: A (design, 6 days), B (content creation, 5 days), C (testing, 4 days), and D (launch preparation, 3 days). Activity A must precede B and C, B must precede D, and C must precede D. Calculate the critical path and the minimum project duration.

Step 1: Identify the sequences

• Path 1: A → B → D (6 + 5 + 3 = 14 days)
• Path 2: A → C → D (6 + 4 + 3 = 13 days)

Step 2: Determine the critical path

The longest path is A → B → D, which takes 14 days. This is the critical path, as any delay here will extend the project.

Step 3: Calculate minimum project duration

The project can be completed in 14 days if all critical activities are on time. Path 2 has 1 day of float (14 - 13 = 1 day), allowing some flexibility in C without delaying the launch.