Preferred Sampling Methods for Finite Population

Probability Sampling

• For a population with a finite size, the preferred sampling method is systematic sampling.

Bill of Quantities (BOQ)

• The primary purpose of a BOQ in a construction project is to provide a detailed list of materials, labor, and equipment required for the project.
• A BOQ helps to facilitate accurate costing, tendering, and project management.

Systematic Sampling

• Before choosing a random starting point in systematic sampling, the key process is to decide on a fixed interval or sampling interval.
• The key advantage of systematic sampling for a population with a natural order is that it is simple to implement and can be more efficient than other methods.
• A limitation of using systematic sampling is that it can introduce bias in the sample if the population list has a patterns or periodicities.

Construction Project Management

• The key role of Construction Project Management in a construction project is to oversee and coordinate the planning, design, and construction phases.
• Effective Construction Supervision is important for a construction project as it ensures that the project is completed on time, within budget, and to the required quality standards.
• One of the key responsibilities in Construction Supervision is to ensure that the project is constructed according to the approved design and specifications.

Surveying and Taking Off

• In the context of construction, Surveying involves measuring or scaling dimensions from drawings and recording them in an easily understood format.
• 'Taking off' is considered an essential step in construction and architectural work as it involves quantifying the materials and components required for a project.
• Taking off primarily involves measuring or scaling dimensions from drawings and recording them in an easily understood format.

Scope Management

• In Construction Project Management, Scope Management specifically refers to the process of defining, planning, and controlling the project scope to ensure that it is completed on time, within budget, and to the required quality standards.

Construction Supervision and Contracts

• Interpreting contract documents is crucial in construction projects as it ensures that all stakeholders understand their roles, responsibilities, and obligations.
• One of the key responsibilities that falls under Construction Supervision is to ensure that the project is constructed according to the approved design and specifications.