BIM News

Last trends of the AECO sector

How BIM is Improving BOQ/BOM Development Process

Published: 15/02/2024

In the dynamic realm of construction and project
management, efficiency is paramount. Every aspect of the project lifecycle,
from planning and design to execution and maintenance, demands meticulous
attention to detail and streamlined processes. Among the critical components of
project management is the development of Bills of Quantities (BOQ) and Bills of
Materials (BOM), essential documents that outline the quantities and
specifications of materials required for construction. Traditionally, this
process has been labor-intensive and prone to errors. However, with the advent
of Building Information Modeling (BIM), this aspect of project management is
undergoing a profound transformation, leading to enhanced accuracy, efficiency,
and cost savings.

What is a Bill of Materials (BoM)?

Imagine a recipe for a building! That's essentially
what a Bill of Materials (BoM) is. It's a detailed list of all the ingredients
(components and parts) needed to build a product, from the tiniest screw to the
biggest beam. 
Here's what makes a BoM so valuable:

  1. It's precise: Each component has its own manufacturer
    part number (MPN) and the exact quantity needed, ensuring you have everything
    to build your product accurately.
  2. It's multi-layered: Complex products often have
    smaller sub-assemblies, and the BoM can dive into each level, listing all the
    components needed for each sub-assembly.
  3. It's informative: Beyond just the part number and
    quantity, the BoM can include details like:

  • Approved manufacturers (AML): Ensures you get the
    right quality from trusted suppliers.
  • Mechanical characteristics: Understands the size,
    material, and other technical properties of each component.

  • Additional descriptors: Any other relevant information
    like color, finish, or specific function.

What is BoQ (Bill of Quantity)?

Think of the BoQ as a comprehensive, itemized list of
all the materials and labor needed to complete your construction project. It's
not just a simple list though, it's a key document that plays several crucial

  • Tendering: When you put your project out for bids, the
    BoQ helps contractors understand the scope of work and accurately estimate
    their costs. This ensures fair competition and helps you choose the best offer.
  • Contractual agreement: Once you select a contractor,
    the BoQ forms the basis of your contract, clearly outlining the expected
    deliverables and ensuring both parties are on the same page.
  • Project management: Throughout the project, the BoQ
    serves as a valuable reference point, helping you track progress, manage costs,
    and identify any potential deviations.

How BIM Transforms BOQ/BOM Development

For construction projects, accuracy and efficiency are
paramount. That's where the Bill of Quantities (BOQ) and Bill of Materials
(BOM) come in, providing a detailed breakdown of all materials and components
needed. However, traditional BOQ/BOM development can be riddled with errors,
inconsistencies, and delays. Enter Building Information Modeling (BIM), a
revolutionary technology transforming the way we build, and improving BOQ/BOM
development in several ways.

BIM: More Than Just 3D Models

BIM goes beyond creating pretty 3D models. It's a
collaborative platform housing a wealth of information about every building
component, from size and material to location and connections. This rich data
becomes the foundation for smarter BOQ/BOM development:

  • Automatic Quantity Extraction: Forget manually
    counting bricks or measuring pipes. BIM automatically extracts quantities
    directly from the model, eliminating errors and saving countless hours.
  • Enhanced Material Identification: Each element in the
    BIM model carries its specific material properties and specifications, allowing
    for precise BOM generation with accurate quantities and descriptions.
  • Clash Detection and Error Prevention: BIM identifies
    potential design clashes early in the process, preventing errors that would
    later impact BOQ/BOM accuracy and lead to costly rework.
  • Real-Time Updates and Transparency: Changes made to
    the BIM model automatically reflect in BOQ/BOM, ensuring everyone involved has
    access to the latest information and minimizing communication gaps.
  • Improved Collaboration: Shared BIM models facilitate
    collaborative BOQ/BOM development, allowing stakeholders from different
    disciplines to contribute and review data in real-time.

Benefits Beyond Efficiency

The impact of BIM on BOQ/BOM development extends
beyond just saving time and money. Here's what you can expect:

  • Reduced Costs: Accurate BOQs lead to more precise
    procurement and minimize material waste, saving money throughout the project.
  • Faster Project Delivery: Streamlined BOQ/BOM
    development accelerates the overall construction timeline.
  • Improved Decision-Making: Data-driven insights from
    the BOQ/BOM empower informed decisions about materials, procurement strategies,
    and project costs.
  • Enhanced Sustainability: Optimized material quantities
    and reduced waste contribute to a more sustainable building process.


In conclusion, Building Information Modeling (BIM) is
revolutionizing the BOQ/BOM development process, offering unparalleled
accuracy, efficiency, and cost savings. By leveraging the rich data and
visualization capabilities of BIM models, project managers can streamline
quantity takeoffs, improve collaboration, and generate more accurate cost
estimates. As BIM continues to gain traction in the construction industry, its
impact on BOQ/BOM development is poised to grow, ushering in a new era of
efficiency and productivity in construction project management.



+ Post an article
Stay updated with the latest news, events, job offers, software and much more. Sign up to our monthly Newsletter and enjoy the best of BIM for free

Thank you for subscribing to the Newsletter!