FAQ’s

TECHNICAL KNOWLEDGE CENTRE

Construction Estimating FAQs: A Definitive Technical Compendium

Authoritative answers covering quantity take-offs, BOQs, drawing requirements, measurement methodologies, deliverable formats and project-estimating procedures.

What is a construction quantity take-off?

A construction quantity take-off is a detailed measurement of the materials and work items required to complete a project. It converts architectural, structural, civil and MEP drawings into organized quantities such as areas, lengths, volumes, counts and weights. Contractors can use this information for estimating, bidding, procurement and project planning.

How can BRAND BOA’s quantity take-off service help my business?

Preparing take-offs internally can consume valuable time, particularly when you are managing several tenders or active projects. BRAND BOA measures and organizes the required quantities so that your team can concentrate on pricing, supplier negotiations and winning work. Our service helps reduce missed items, rushed measurements, material waste and the risk of submitting an under priced bid.

What types of construction projects do you cover?

We prepare quantity take-offs for residential, commercial and civil construction projects, including:

  • New houses and apartment developments
  • Renovations, extensions and refurbishments
  • Offices, retail units and commercial buildings
  • Warehouses and industrial facilities
  • Roads, drainage and external works
  • Site development and landscaping
  • Contractor tenders and subcontractor packages

Project suitability is confirmed after we review your drawings and requested scope.

Which construction trades can you measure?

Our take-offs may cover:

  • Demolition and site preparation
  • Earthworks, excavation and grading
  • Concrete and reinforcement
  • Masonry and brickwork
  • Structural steel
  • Timber and metal framing
  • Roofing and waterproofing
  • Doors, windows and building envelope
  • Drywall, ceilings and insulation
  • Flooring, tiling and painting
  • Plumbing and drainage
  • HVAC and mechanical systems
  • Electrical and low-voltage systems
  • Fencing, hardscaping and landscaping

You may request a complete project take-off or individual trade packages.

What drawings and information do you need?

For the most complete take-off, please provide:

  • Architectural drawings
  • Structural drawings
  • Civil and site drawings
  • MEP drawings
  • Project specifications
  • Door, window and finish schedules
  • Drawing revisions and addenda
  • The project location
  • The required trades and scope
  • Your preferred measurement system and file format

Dimensioned, scalable drawings produce the most reliable results.

What happens if my drawings are incomplete or conflicting?

We do not silently guess when important information is missing. Our estimators review the drawing set, identify discrepancies and prepare a clarification list where necessary. Depending on the issue, we may request additional information, state a reasonable assumption, provide a provisional quantity or exclude an item that cannot be measured reliably. All important assumptions and exclusions are recorded with the deliverable.

Which drawing file formats do you accept?

PDF is generally the preferred format because it preserves dimensions, scales and drawing layouts. We may also accept:

  • DWG and DXF
  • JPG, JPEG and PNG
  • Scanned drawings
  • Revit or IFC files by prior agreement
  • Cloud-based document links

If drawings are scanned, distorted or not to scale, we will use clearly stated dimensions where possible and may request confirmation before beginning measurement.

In which formats will I receive my take-off?

Standard deliverables can include:

  • Excel spreadsheets in XLSX format
  • Detailed PDF quantity schedules
  • Marked-up PDF drawings
  • CSV files
  • A customer-provided estimating template
  • Trade-by-trade or work-section summaries

Take-offs can be organised by trade, construction phase, bid package, CSI MasterFormat division, NRM structure or another agreed format.

How long does a quantity take-off take?

Our standard delivery period is within 10 working days after we receive the complete drawing set, confirm the scope and receive any required payment. This period allows our estimators time to measure, organise and review the work professionally.

Large, highly detailed or multi-trade projects may require additional time. The expected delivery date will be confirmed in our quotation before work begins.

How do you maintain take-off accuracy?

Our process includes checking the drawing scale, reviewing relevant plans, elevations, sections, schedules and specifications, and organising quantities by trade or work section. Marked-up drawings provide a visual record of the measured items, while an internal quality review helps identify duplicated or omitted quantities.

Take-offs remain dependent on the completeness and accuracy of the documents supplied. Concealed conditions, design omissions and unissued revisions cannot be measured unless they are shown or communicated to us.

Do your take-offs include material and labor prices?

A quantity take-off primarily identifies and measures the required materials and work items. Material, labour and equipment pricing can be added when cost-estimating services are included in the agreed scope.

Because rates vary by location, supplier, availability and market conditions, you must provide the correct project city, state or region. Pricing is an estimate and should be confirmed with current supplier and subcontractor quotations before contractual commitments are made.

Can you work with both imperial and metric measurements?

Yes. We can prepare take-offs using imperial units for US projects and metric units for UK and international projects. Deliverables may include units such as:

  • Square feet or square metres
  • Cubic yards or cubic metres
  • Linear feet or linear metres
  • Pounds, tonnes or kilograms
  • Individual item counts

The required measurement system should be confirmed before work begins.

Can you update a take-off when revised drawings are issued?

Yes. Send us the revised drawings together with the revision number, issue date and a summary of the changes. We will assess how the revisions affect the completed take-off and confirm any additional fee and delivery time before updating it.

Separating revised work from the original scope helps customers understand how design changes affect materials and project costs.

Will my drawings and project information remain confidential?

We treat customer drawings, specifications, pricing information and project documents as confidential business information. Access is limited to authorised personnel and service providers who require the information to complete the agreed work.

We can also review and sign a reasonable non-disclosure agreement before receiving particularly sensitive project information.

How do I request a quotation from BRAND BOA?

Send us your drawings, specifications, project location, required trades, preferred file format and tender deadline. We will review the documents and provide a quotation based on the project’s size, complexity and scope.

Once you approve the quotation and complete any required payment, we will confirm the project start date and expected delivery date. Your completed quantity take-off will normally be delivered within 10 working days.