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What is a QS surveyor?

Published in Construction Cost Management 3 mins read

A QS surveyor, more commonly known as a Quantity Surveyor, is a crucial professional in the construction industry responsible for managing all costs related to building and civil engineering projects, from initial feasibility to the final account.

What is a Quantity Surveyor?

As defined by Business English, a quantity surveyor is specifically "a person whose job is to calculate the cost of the materials and work needed for a particular building project." Their role is pivotal in ensuring that construction projects are completed within budget and offer value for money.

Core Responsibilities

The primary function of a QS surveyor revolves around cost management and financial control throughout a project's lifecycle. This includes:

  • Cost Estimation & Planning: Right from the conceptual stages, they provide detailed cost estimates for materials, labor, and other expenses.
  • Budget Management: They help in setting and maintaining project budgets, advising on cost-effective solutions without compromising quality.
  • Contract Administration: They are involved in preparing tender documents, analyzing bids, and managing contracts between clients, contractors, and subcontractors.
  • Financial Control: A key part of their job, as highlighted in the reference, involves checking and verifying invoices. This ensures that payments to subcontractors and suppliers are accurate and align with agreed-upon terms.

The Role in Practice

Quantity surveyors work with various stakeholders, including clients, architects, engineers, and contractors. Their expertise helps in:

  • Risk Management: Identifying potential financial risks and developing strategies to mitigate them.
  • Value Engineering: Exploring alternative materials or construction methods to achieve project objectives more efficiently and cost-effectively.
  • Dispute Resolution: Assisting in resolving financial disputes that may arise during a project.

Here's a breakdown of typical duties:

Aspect Key Responsibilities of a QS Surveyor
Pre-Contract Stage
  • Feasibility studies & cost planning
  • Producing bills of quantities
  • Tender analysis & procurement advice
Post-Contract Stage
  • Valuation of work in progress
  • Checking subcontractor's invoices
  • Preparing financial reports
  • Negotiating final accounts

For instance, if a sub-contractor submits an invoice for materials used, the client's quantity surveyor will meticulously cross-reference it with the project's specifications, material deliveries, and work completed to ensure the charges are justified and accurate. This vigilance prevents overpayments and helps maintain the project's financial integrity.

Importance of a QS Surveyor

The presence of a skilled QS surveyor is vital for:

  • Financial Viability: Ensuring projects are financially sound from start to finish.
  • Cost Control: Preventing cost overruns and ensuring efficient use of resources.
  • Transparency: Providing clear and accurate financial reporting to all parties.
  • Value for Money: Helping clients achieve the best possible outcome for their investment.

In essence, a QS surveyor acts as the financial guardian of a construction project, applying their expertise to ensure every penny spent delivers maximum value.