Unlocking Excellence in Construction Workmanship: A Comprehensive Guide to Conquas Banding System, Builder Contact Us, BCA, and More in 2022 | Scal Academy’s Expert Conquas Assessment Insights

by | Oct 7, 2023

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Why is CONQUAS important in Singapore

What is CONQUAS in Singapore

Definition of CONQUAS

CONQUAS stands for Construction Quality Assessment System, which is a national standard in Singapore for assessing the quality of workmanship in the construction industry.

It was developed by the Building and Construction Authority (BCA) and is considered an industry-leading quality assessment framework.

CONQUAS serves as a reflection of the quality performance of the construction industry, setting criteria for evaluating the quality of buildings and ensuring that they meet established standards.

History of CONQUAS

CONQUAS was first introduced in Singapore in 1989 as a response to the growing need for a standardized quality assessment system in the construction industry.

It was created to address issues related to poor workmanship and inconsistency in quality across construction projects.

Over the years, CONQUAS has evolved and been continuously refined to meet the changing needs and demands of the construction industry.

Today, it is widely recognized and used as a benchmark for quality in Singapore.

Key Features of CONQUAS

CONQUAS incorporates various features to assess the quality of construction projects.

These include comprehensive assessment criteria, a robust assessment process, and the evaluation of defects and workmanship quality.

The assessment criteria cover important aspects such as structural safety, architectural finishes, and mechanical and electrical systems.

The assessment process involves a thorough evaluation of the entire construction project, including both major and minor defects.

CONQUAS adopts a sampling approach to assess different aspects of construction performance.

This ensures that a representative sample is assessed and provides a holistic view of the overall quality of the project.

Key Takeaways

  1. Definition of CONQUAS:
    • CONQUAS stands for Construction Quality Assessment System.
    • Developed by the Building and Construction Authority (BCA).
    • National standard in Singapore for assessing workmanship quality in construction.
  2. History of CONQUAS:
    • Introduced in 1989 to address issues of poor workmanship and inconsistency.
    • Continuously refined to meet industry needs.
  3. Key Features of CONQUAS:
    • Comprehensive assessment criteria covering safety, finishes, and systems.
    • Robust assessment process, including major and minor defect evaluation.
    • Sampling approach for a holistic project quality view.
  4. Importance of CONQUAS in Singapore:
    • Crucial for Singapore’s competitiveness in the construction industry.
    • Benchmark for builders, indicating commitment to quality.
    • High CONQUAS scores enhance market value of properties.
  5. How CONQUAS Works:
    • Rigorous assessment process by trained assessors.
    • Evaluation of concepts, materials, and workmanship quality.
    • Sampling approach for fair and comprehensive assessment.
  6. Benefits for Builders and Homeowners:
    • Builders: Tool for achieving and maintaining quality, enhances reputation.
    • Homeowners: Assures quality, sets expectations, protects investments.
  7. CONQUAS Assessment Criteria:
    • Covers material quality, durability, workmanship, and compliance.
    • Minimum score set, deviations flagged for improvement.
  8. CONQUAS Certified Quality Mark:
    • Certification to assess and recognize construction workmanship quality.
    • Two categories: CONQUAS 1 (external walls) and CONQUAS 2 (architectural finishes, internal walls).
  9. Choosing a CONQUAS-Certified Builder:
    • Look for the CONQUAS certified quality mark.
    • Indicates consistent high-quality workmanship.
    • Certification covers various construction aspects, including waterproofing.
  10. CONQUAS Training:
    • Essential for construction industry professionals.
    • Scalable knowledge applicable to projects of varying scales.
    • Covers principles, defect identification, and best practices.

Why is CONQUAS important in Singapore?

CONQUAS (Construction Quality Assessment System) plays a crucial role in ensuring that Singapore remains competitive in the construction industry.

It serves as a benchmarking tool for builders and offers several benefits for both builders and homeowners.

For builders, achieving high CONQUAS scores indicates a commitment to quality.

It helps builders differentiate themselves in the market and attract potential buyers or investors.

Properties with high CONQUAS scores also tend to have a higher market value.

For homeowners, CONQUAS provides an indication of the quality of construction projects.

It helps to set expectations on quality and ensures that their investments are protected.

By adhering to CONQUAS standards, homeowners can have confidence in the quality of their homes and enjoy consistent quality developments across Singapore.

How does CONQUAS work?

CONQUAS follows a rigorous assessment process to evaluate the construction performance of projects.

Trained assessors conduct on-site inspections and assess the concepts, materials, and workmanship quality according to the established criteria.

The assessment of construction performance includes the identification and evaluation of major defects, as well as the overall quality of workmanship.

The assessors also consider the track record and past performance of the construction team.

CONQUAS employs a sampling approach, where a representative sample of units or areas is assessed to form conclusions about the entire project.

This approach ensures a fair and comprehensive assessment of the project’s quality.

Benefits of CONQUAS for builders and homeowners

For builders, CONQUAS serves as a tool for achieving and maintaining quality in their construction projects.

It provides guidelines and standards to meet and exceed, ensuring that the end result is a well-constructed building.

Adhering to CONQUAS standards can enhance a builder’s reputation and attract discerning buyers.

For homeowners, CONQUAS offers assurance of quality in their homes.

It sets a benchmark for the construction industry and helps homeowners make informed decisions.

Investing in properties that adhere to CONQUAS standards ensures a higher level of quality and peace of mind.

In summary, CONQUAS is an essential part of the construction industry in Singapore.

It sets the standard for quality construction and provides a benchmark for builders and homeowners alike.

With its robust assessment process and focus on workmanship quality, CONQUAS ensures that Singapore maintains its reputation for excellence in the built environment.

CONQUAS Construction Quality Assessment System | Assessment Criteria

CONQUAS Construction Quality Assessment System Assessment Criteria

CONQUAS is a well-established quality assessment standard in Singapore’s construction industry.

Since its introduction in 1989, the system has become a registered trademark that helps assess the quality of construction projects, particularly for public sector building projects.

The objective of CONQUAS is to ensure that buildings are constructed to meet high-quality standards and provide durability for the long term.

Assessment criteria

The CONQUAS assessment criteria cover various aspects of construction quality.

These include the quality of materials used, durability of materials, workmanship, and compliance with specific quality standards.

A minimum CONQUAS score is set, and any deviations from the standards are flagged as areas for improvement.

The assessment also includes evaluating material sources to ensure that they meet the required quality standards.

Assessment process

The CONQUAS assessment is conducted by project managers who are trained and certified in the system.

They assess various aspects of the construction process, including external finishes, ponding, and benchmarking of workmanship quality against industry standards.

The system demands a commitment to quality throughout the entire construction process.

CONQUAS scores

A high CONQUAS score indicates a strong performance in meeting the quality standards set by the system.

Developers who consistently achieve high scores demonstrate their commitment to delivering quality construction projects.

The assessment criteria include specific areas such as wet areas and window water tightness, which are crucial for maintaining quality standards.

The quality score achieved through the CONQUAS assessment provides potential buyers with valuable information about the quality of the construction, helping them make informed purchase decisions.

The performance of developers is categorized into different bands based on their CONQUAS scores.

Developers with consistent strong performance are in the top band, while those with subpar scores are placed in lower bands.

This banding system allows buyers to compare the quality of different developers and make informed decisions.

Construction defects are identified during the CONQUAS assessment, and developers are required to rectify these issues to ensure the delivery of quality projects.

The system serves as a benchmark for excellence and continuous improvement in the construction industry.

CONQUAS has played a significant role in raising the construction quality standards in Singapore.

Its comprehensive assessment criteria and commitment to quality have helped improve the construction processes and the overall quality of buildings.

By focusing on durability, material sources, and workmanship, CONQUAS ensures that buildings constructed in Singapore meet high-quality standards and provide value to their owners and occupants.



CONQUAS, short for Construction Quality Assessment System, is a renowned quality assessment system developed in Singapore.

It is widely recognized and used in the construction industry to measure the quality of building projects.

CONQUAS provides a comprehensive evaluation of both structural and architectural aspects of construction, ensuring that buildings are built to high standards.

By choosing a CONQUAS-certified builder, you can be confident that your project will meet the stringent quality requirements set by the system.


Choosing a CONQUAS-certified builder

When selecting a builder for your project, look for the CONQUAS certified quality mark.

This mark indicates that the builder has consistently achieved a high level of workmanship quality in their past projects.

It is important to choose a builder with a good track record as it demonstrates their commitment to delivering quality work.

CONQUAS certification is valid for a period of six years.

This means that a builder who has been certified recently has undergone rigorous evaluation and has proven their ability to meet the CONQUAS standards.

Furthermore, CONQUAS certification covers various construction aspects, including waterproofing, which is crucial for ensuring the durability and longevity of your building.

During the completion stage of the building, CONQUAS assessors will conduct inspections to verify the quality of workmanship.

By engaging a CONQUAS-certified builder, you can have peace of mind knowing that your project will be handled by competent builders who are trained and certified to deliver high-quality work.

The key components of a CONQUAS-certified builder include record, training, and certification ability.

A builder with a good record of achieving high CONQUAS scores in their past projects demonstrates their commitment to delivering quality work.

Ongoing training ensures that builders stay updated with the latest construction standards and techniques.

Certification validates their ability to maintain the high standards set by CONQUAS.

The construction industry plays a vital role in shaping a nation’s infrastructure and overall development.

Therefore, it is imperative to have stringent quality control measures in place to ensure the highest standards of construction workmanship.

The Building and Construction Authority (BCA) 2023 has been instrumental in regulating the industry in Singapore since 1989.

They have developed a comprehensive set of guidelines and codes to ensure the compliance of construction projects with high Conquas (Construction Quality Assessment System) and Quality Mark (QM) standards.

These standards encompass various aspects of construction, including structural integrity, fire safety, and environmental sustainability.

By adhering to these standards, contractors and developers can deliver projects that meet the requirements of both the BCA also the clients.

“The course content for training construction professionals also emphasizes the importance of these standards, providing them with the knowledge and skills required to make an informed decisions during the construction process.

It covers topics such as project management, risk assessment, and cost control, enabling participants to plan, execute, and monitor projects effectively.

By keeping themselves updated with the latest industry developments and best practices, construction professionals can enhance their workmanship and contribute to the overall advancement of the industry.

As of 1 July 2021, BCA has made it mandatory for construction projects of Categories 1 and 2 to obtain Conquas or QM certification, signaling the increasing importance and focus on quality and excellence in the construction industry.

The BCA’s commitment to raising the bar for construction workmanship quality of building and project quality reflects Singapore’s aspirations of becoming a world-class, sustainable city.

Benefits of using a CONQUAS-certified builder

Developers and builders who choose to work with CONQUAS-certified builders enjoy several benefits.

Firstly, the quality workmanship delivered by these builders ensures that projects are completed to a high standard.

This contributes to customer satisfaction and enhances the reputation of the developers and builders.

CONQUAS banding is another benefit of using a certified builder.

The banding system categorizes construction workmanship quality according to the CONQUAS scores achieved.

A higher banding indicates a higher level of quality.

Developers and builders can leverage the CONQUAS banding to differentiate themselves in the competitive market and win the trust of potential buyers.

For private homebuyers, engaging a CONQUAS-certified builder provides assurance that their dream homes will be built with quality in mind.

The stringent assessment conducted by CONQUAS ensures that the quality of construction meets or exceeds industry standards.

This gives buyers peace of mind and confidence in their investment.

In conclusion, CONQUAS certification plays a crucial role in ensuring the quality of construction projects in Singapore.

By choosing a CONQUAS-certified builder, you can be confident that your project will meet the highest standards of workmanship.

Whether you are a developer, builder, or private homebuyer, the benefits of working with CONQUAS-certified builders are undeniable.

CONQUAS Certified Quality Mark

CONQUAS Certified Quality Mark

What is the CONQUAS Quality Mark?

The CONQUAS Quality Mark is a certification introduced in Singapore to assess and recognize the quality of construction workmanship.

CONQUAS stands for Construction Quality Assessment System, and it is a national standard used to measure the quality of building projects.

The CONQUAS Quality Mark applies the concepts of construction quality assessment to both the public and private sectors.

It consists of two assessment categories: CONQUAS 1 and CONQUAS 2.

CONQUAS 1 focuses on external walls, while CONQUAS 2 covers aspects such as architectural finishes, internal walls, and livable spaces.

To achieve the CONQUAS Quality Mark, construction projects must undergo a thorough assessment process.

An independent certification body evaluates the projects based on various criteria, including workmanship, finishes, cleanliness, and safety.

If the projects meet the required standards, they are awarded the CONQUAS Quality Mark certification.

How to qualify for the CONQUAS Quality Mark

To qualify for the CONQUAS Quality Mark, construction projects must meet certain criteria set by the certification body.

These criteria include achieving a minimum CONQUAS score, maintaining a satisfactory item record, and complying with the necessary regulations and standards.

Contractors and project teams can enhance their chances of qualifying for the CONQUAS Quality Mark by participating in training workshops provided by the certification body.

These workshops educate participants on the requirements and best practices for achieving high CONQUAS scores.

They also offer guidance on how to improve construction workmanship and maintain quality throughout the project duration.

Once a project meets the qualification criteria, the contractor or project team can apply for the CONQUAS Quality Mark certification.

The application involves submitting relevant documentation and undergoing a thorough review by the certification body.

If approved, the project will be awarded the CONQUAS Quality Mark certification.


Benefits of the CONQUAS Quality Mark

The CONQUAS Quality Mark offers several benefits to construction projects and industry professionals alike.

Firstly, achieving the CONQUAS Quality Mark provides industry recognition and demonstrates the commitment to delivering high-quality construction workmanship.

Projects that receive the CONQUAS Quality Mark certification have achieved high CONQUAS scores, indicating superior workmanship and quality.

This recognition can enhance the reputation of the contractor or project team and attract potential clients who prioritize quality.

Furthermore, the CONQUAS Quality Mark focuses not only on the structural aspects of construction but also on the livability and architectural finishes.

This ensures that projects meeting the CONQUAS standards not only have functional and durable structures but also provide comfortable and visually appealing spaces for users.

Lastly, by achieving the CONQUAS Quality Mark, construction projects can enjoy long-term benefits such as increased marketability, higher resale value, and improved return on investment.

The certification serves as a testament to the quality of the project, giving confidence to both developers and end-users.

In conclusion, the CONQUAS Quality Mark is a prestigious certification that recognizes and promotes high-quality construction workmanship in Singapore.

Construction projects that achieve this certification not only gain industry recognition but also demonstrate their commitment to delivering excellence in their projects.

The CONQUAS Quality Mark benefits both the construction industry and end-users by ensuring the construction of structurally sound, visually appealing, and livable spaces.

CONQUAS Training

CONQUAS Training

Who should take CONQUAS training?

CONQUAS training is essential for individuals working in the construction industry, particularly those involved in construction projects and the assessment of construction performance.

This includes construction quality personnel, property developers, project managers, and anyone responsible for ensuring the quality of internal finishes in buildings.

Scalability is another important aspect of CONQUAS training.

By understanding the principles and requirements of CONQUAS, individuals can apply this knowledge to projects of varying scales, from small-scale renovations to large-scale public-sector building projects.

For more information on CONQUAS training and how it can benefit your organization, you can reach out and contact us.

What do you learn in CONQUAS training?

CONQUAS training covers a wide range of topics related to construction workmanship quality.

Participants will learn about the principles and framework of CONQUAS, as well as the specific requirements that buildings are required to meet in order to achieve higher CONQUAS scores.

The course content includes detailed information on how to identify and rectify construction defects, including both obvious and latent defects.

Participants will also learn about the importance of informed purchase decisions, such as conducting checks on water seepage and the quality of electrical components.

CONQUAS training also draws insights from other successful quality assessment systems, such as the one used in Hong Kong’s SAR.

By examining best practices from around the world, participants gain a comprehensive understanding of how to elevate construction quality standards.

Benefits of CONQUAS training

One of the key benefits of CONQUAS training is the recognition it provides.

CONQUAS-trained individuals are highly sought after in the construction industry, as they possess the knowledge and skills to ensure high levels of workmanship quality.

This increases their employability and career prospects.

Additionally, CONQUAS training serves as a national benchmark for construction quality.

By adhering to the CONQUAS standards, project managers can ensure that the construction process meets or exceeds industry standards.

This helps to build trust with clients and stakeholders, ultimately leading to better business opportunities.

CONQUAS training also introduces participants to the banding system, which provides a clear indication of a building’s workmanship quality.

This allows potential buyers or tenants to make more informed decisions when purchasing or occupying a property.

In summary, CONQUAS training equips individuals with the knowledge and skills to excel in the construction industry.

It serves as a mark of distinction, ensures adherence to industry standards, and provides valuable insights into improving construction quality.

Whether you are a construction professional or a property developer, CONQUAS training is an investment that can yield long-term benefits for your career and business success.


We have explored the importance of branding for businesses and how it can help distinguish them from competitors and become more recognizable.

We have learned that branding goes beyond creating a logo and a catchy slogan.

It involves defining essential elements that will make a business stand out for years to come.

By showcasing uniqueness and leveraging values, stories, brand promises, and other assets, businesses can differentiate themselves in a crowded market.

Additionally, investing in consistent branding efforts makes a brand more memorable, fostering trust and influencing customer buying decisions.

Brand recognition also affects how customers engage with content, emails, and advertisements.

The importance of Conquas in ensuring construction workmanship quality

Conquas, the Construction Quality Assessment System developed by the Building and Construction Authority (BCA) of Singapore, plays a crucial role in ensuring the quality of construction workmanship in buildings.

Over the past six years, Conquas has been used in numerous projects by companies like Woh Hup to assess and measure the quality of constructed works.

This system helps identify areas for improvement, providing valuable feedback to contractors and developers.

With the upcoming changes to the Conquas assessment criteria in 2022, it is important for industry professionals to stay updated and make informed decisions regarding the quality of their projects.

By adhering to Conquas standards, construction companies can enhance the liveability and sustainability of buildings, ultimately benefiting both residents and the wider community.

Overall, branding and Conquas are key elements that businesses and the construction industry should prioritize to achieve success and ensure the highest level of quality.

By investing in branding efforts and following the Conquas assessment standards, businesses can differentiate themselves, gain customer trust, and deliver exceptional workmanship in construction projects.

Frequently Asked Questions

What is conquas?

Conquas is a construction quality assessment system that evaluates and assesses the workmanship quality of building projects, specifically focusing on private residential projects. It was first introduced in 1989 and has since been widely used in the construction industry.

How does conquas work?

conquas uses a construction quality banding system to assess the quality of construction workmanship. The system assigns a band to a project based on its workmanship quality, with Band 1 representing the highest level of quality. The assessment is carried out by trained conquas supervisors.

What are the benefits of conquas?

conquas provides several benefits to the construction industry. Firstly, it helps to ensure that construction workmanship standards are maintained at a high level, thus enhancing the overall quality of buildings. Secondly, conquas allows real estate developers and construction personnel to make informed decisions about the quality of projects and tenders. Lastly, conquas has also been adopted in countries like Malaysia and Hong Kong SAR, giving local construction companies a competitive edge in these markets.

How is conquas used in the construction industry?

conquas is used primarily in the assessment of private residential projects. It evaluates the workmanship quality of various aspects of construction, including basic mechanical and electrical (M&E) installations, tiling installations, roofing, and external works. The assessment is done by conquas supervisors who are trained in the banding system and the course content.

What is the conquas supervisor and manager scheme?

The conquas supervisor and manager schemes are training programs offered by SCAL Academy to equip construction professionals with the necessary skills to become conquas supervisors or managers. These schemes help individuals understand the conquas banding system and learn how to effectively assess and manage construction workmanship quality.

How can I improve the conquas banding of my construction project?

To improve the conquas banding of your construction project, it is important to focus on maintaining high workmanship standards throughout the construction process. This includes ensuring proper installation of M&E systems, meticulous tiling and fitting works, and excellent quality in roofing and external works. Regular monitoring and supervision by a qualified conquas supervisor can also help identify and rectify any deficiencies early on.

How can I access conquas assessment reports?

conquas assessment reports can be accessed through the Quality Housing Portal, a platform provided by the Building and Construction Authority (BCA). The portal allows stakeholders in the construction industry to retrieve and review conquas assessment reports for past and ongoing projects.

What is the significance of achieving a Band 1 conquas banding?

Achieving a Band 1 conquas banding signifies that the construction project has achieved the highest level of workmanship quality according to the conquas assessment system. This can be a testament to the competence and professionalism of the construction team involved, and it can also be an important factor for potential buyers or investors in evaluating the quality of a development.

Who can I contact for more information about conquas?

For more information about conquas, you can contact the Executive of Industry Development at the Building and Construction Authority (BCA). They can provide you with further details about the conquas system, training programs, and any other inquiries you may have.

When was the conquas banding system introduced?

The conquas banding system was first introduced in 1989 and has been in use for over three decades. It has since become a widely recognized and trusted assessment system in the construction industry.

How often are conquas assessments conducted?

conquas assessments are typically conducted on an ongoing basis for construction projects. The frequency of assessments may vary depending on the duration of the project, but regular assessments are carried out to monitor and ensure the workmanship quality throughout the construction process.

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