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Quantity Surveying › BIM-Based QTO
BIM-Based Quantity Takeoff

Quantities Pulled
From the Model —
Not the Markup.

JF India's QS team extracts precise quantities directly from your BIM model using Autodesk Revit and CostX — delivering faster, more accurate takeoffs with full traceability to every element in the model.

Get a Free Sample QTO All QS Services
Accuracy comparison — typical QTO methods
BIM-based QTO
95%
2D digital takeoff
65%
Manual measurement
45%
60%
Faster than manual
16+
QS professionals
10
Mega projects
8
Countries served
Used on projects for
CPB Contractors Acciona Hochtief UK Leighton Asia Flatiron Dragados CPBJH JV
What Is It

BIM-Based QTO —
Quantities From the Model, Not the Drawing

Traditional quantity takeoff requires a QS to manually measure from 2D drawings — a slow, error-prone process where every revision means starting again. BIM-Based Quantity Takeoff (QTO) replaces that entirely.

Instead of measuring from drawings, our team works directly inside your 3D BIM model using Autodesk Revit and CostX. Every element — column, beam, wall, slab, pipe, duct — already has geometry and properties embedded. We extract quantities from these elements automatically, classify them to your preferred measurement code, and output a clean, structured BOQ.

The result: faster delivery, significantly fewer errors, and complete traceability — every quantity line links back to a specific element in the model. When the design changes, quantities update. When you need to query a number, you can point to exactly which element it came from.

Because JF India's QS and BIM teams sit under the same roof, this integration is seamless — no file transfer headaches, no version mismatches.

01
Receive BIM Model or Drawings
We accept Revit (.rvt), IFC, NWD, DWG or PDF drawings. Secure transfer via email or shared drive.
Revit · IFC · DWG
02
Model Audit & Classification
We audit model quality, classify elements to measurement code, and flag any missing or ambiguous geometry.
Revit · Navisworks
03
Quantity Extraction
Automated extraction of dimensions, areas, volumes and counts from every model element. Linked and traceable.
CostX · Revit QTO
04
QA Review & Structuring
Senior QS checks quantities against drawings. Structured into trade-wise, elemental or work section format.
MS Excel · CostX
05
Delivery
Excel, PDF, or tender portal format. Full revision support included for design changes.
Excel · PDF · CSV
Deliverables

What You Receive

Every BIM QTO engagement from JF India includes a structured, ready-to-use set of deliverables — in your preferred format and to your measurement standard.

Structured BOQ / QTO Schedule
Trade-by-trade or elemental breakdown in Excel or PDF — structured to your measurement code (NRM, CESMM4, DSR, Australian SMM, or custom). Every line traceable to a model element.
Model-Linked Quantity Report
A CostX or Revit schedule showing which model elements generated each quantity — enabling rapid verification and full audit trail for clients, lenders, or dispute resolution.
Element Count & Area Schedule
Automated schedules of counts, areas, lengths, and volumes by element type — ready for procurement planning, subcontract packaging, and cost reporting.
Elemental Cost Plan (Optional)
BIM quantities combined with live market rates to produce a priced elemental cost plan — giving you a fully costed model at any design stage, from concept through to RIBA Stage 4.
Model Audit Notes
A clear report of any model quality issues found during takeoff — missing elements, geometry gaps, overlapping components, or unclassified objects — so your BIM team can resolve them.
Revision Updates
When the design changes, we update the QTO from the revised model — not from scratch. Delta reports show exactly what changed between revisions, saving you time and cost.
Comparison

Traditional Takeoff vs
BIM-Based QTO

The difference is not just speed. BIM QTO changes the entire relationship between design and cost — making quantity data a live, connected layer of your project rather than a one-time document.

Traditional / Manual Takeoff
Measured from 2D drawings — every revision is a restart from scratch
High risk of human error — different QS may produce different numbers from the same drawings
No traceability — impossible to verify where a quantity came from without re-measuring
Slow — large projects can take weeks; urgent revisions are difficult
Disconnected from design — cost data is always behind the current model state
Difficult to defend in disputes — no clear audit trail between drawing and quantity
VS
JF India BIM-Based QTO
Extracted directly from the 3D model — design revisions produce updated quantities automatically
Consistent, repeatable results — model geometry is the single source of truth for all quantities
Full traceability — every quantity links to a specific element; click a line, see exactly what generated it
Up to 60% faster than manual — more time for cost analysis, value engineering, and client review
Live cost intelligence — quantities update with the model so your cost plan always reflects current design
Legally defensible — model-linked audit trail supported in claims, arbitration, and forensic review
Scope of Works

What We Measure —
Every Trade, Every Element

Our BIM QTO covers all disciplines, whether you need a single trade package or a complete multi-discipline takeoff across the entire model.

Structural & Civil
Concrete — foundations, columns, beams, slabs, walls
Reinforcement steel — bars, mesh, stirrups by element
Structural steel — sections, connections, plates
Earthworks — cut, fill, compaction, disposal
Piling, retaining walls, and substructure
Roads, pavements, drainage, and civil infrastructure
Architectural
Masonry — blockwork, brickwork, partitions
Finishes — flooring, wall cladding, ceilings, tiling
Doors, windows, curtain wall, glazing
Roof coverings, waterproofing, insulation
Joinery, fittings, and fixtures
External works, landscaping, boundary treatment
Mechanical (HVAC)
Ductwork — supply, return, exhaust by size and type
AHUs, FCUs, chillers, and equipment counts
Insulation — duct and pipe lagging by area
Grilles, diffusers, dampers, and accessories
Pipework — hot and chilled water, condensate
Electrical, Plumbing & Fire
Electrical — cable trays, conduit, panels, light fittings
LV/MV cable lengths by type and size
Plumbing — pipework by diameter, fittings, fixtures
Drainage — above and below ground
Fire protection — sprinkler pipework, heads, suppression
Technology

Software We Use

Our team is certified and proficient in the leading BIM QTO platforms — and delivers outputs that slot directly into your existing cost management workflow.

CostX
Primary QTO platform — 2D and BIM model takeoff, linked schedules, and revision tracking
Autodesk Revit
Native model environment — schedules, element properties, and quantity extraction from Revit models
Civil 3D
Infrastructure and earthworks QTO — road alignments, cut/fill volumes, drainage networks
Navisworks
Model audit and coordination review — clash detection, element classification, and model fedration
Bluebeam Revu
2D PDF takeoff for elements not yet modelled — markups, measurement, and quantity export
MS Excel
Final BOQ structuring, pricing templates, and client-ready output in any format required
AutoCAD
2D drawing interpretation for projects without a BIM model — hybrid takeoff methodology
IFC / Open BIM
We work with IFC-format models from any authoring tool — not restricted to Autodesk only
Measurement Standards

We Work to Your
Measurement Code

Our QS team is experienced in all major international and Indian measurement standards — your BOQ will be structured exactly as required for your contract and jurisdiction.

NRM 1 — RICS Cost Estimating
NRM 2 — Detailed Measurement
CESMM4 — Civil Engineering
ARM4 — Structural Steelwork
POMI — Process Industries
Australian SMM
QSMM — Queensland
SMM7 (Legacy UK)
IS 1200 — Indian Standard
CPWD — Schedule of Rates
DSR — Delhi Schedule of Rates
SOR — State Schedule of Rates
Why Choose Us

Why JF India for
BIM-Based QTO

Six reasons why EPC contractors, developers, and international firms choose JF India over standalone QS firms for BIM quantity takeoff.

01
QS + BIM Under One Roof
Our QS and BIM teams work in the same office. No file transfers, no version confusion — just seamless coordination between model and cost data that standalone QS firms cannot replicate.
02
Senior QS Review on Every Job
BIM extraction is fast — but interpretation still needs an experienced QS. Every takeoff is reviewed by a senior professional who understands construction method, not just model geometry.
03
Multi-Discipline in One Pass
Structural, architectural, and MEPF in a single federated model takeoff — no need to coordinate between separate QS firms for different trades. One deliverable, fully coordinated.
04
Proven on Mega Projects
We have delivered BIM-linked quantity takeoffs on projects worth over AUD 12Bn — including West Gate Tunnel, Surrey Langley Skytrain, and Western Sydney Airport. Scale is not a barrier.
05
Time Zone Advantage
For UK, Australian, and Gulf clients — our IST working hours overlap with your business day and our off-hours deliver results overnight, cutting your project turnaround time significantly.
06
Revision-Proof Deliverables
When the design changes, we update from the revised model. Delta reports show exactly what changed between versions — you never pay to re-measure what has not changed.
Sectors

BIM QTO Across
All Construction Sectors

Our BIM QTO experience spans every major construction type — from small residential developments through to multi-billion dollar infrastructure programmes.

Infrastructure — Roads, Tunnels, Bridges
Metro & Rail
Residential — High Rise & Villa
Commercial & Mixed Use
Airports & Ports
Industrial & Manufacturing
Healthcare & Institutional
MEPF — Mechanical, Electrical, Plumbing
International Projects
Related Services

BIM QTO Works Best
Alongside These Services

BIM-based QTO is most powerful when combined with our broader QS and BIM capabilities — giving you a fully integrated cost and design workflow.

Full QS Services
All QS from BOQ to final account
Tender BOQ Preparation
Pre-bid BOQ to CPWD, DSR, NRM
Estimating & Planning
Cost plans, estimates, life cycle costing
BIM Services
Modelling, coordination, clash detection
Detailed BOQs
Construction-phase BOQ for procurement
Forensic QS
BIM-enhanced audit & dispute support
FAQ

Common Questions About
BIM-Based QTO

No. We regularly work with partially modelled projects. Elements that are not in the BIM model are measured from 2D drawings using a hybrid approach — CostX handles both model-linked and PDF takeoff in the same schedule. We flag clearly which quantities came from the model and which from drawings so you always know the source.
We accept Revit (.rvt), IFC (any version), Navisworks (.nwc / .nwd), DWG, DXF, and PDF. We are not restricted to Autodesk formats — if your model was authored in ArchiCAD, Tekla, Bentley MicroStation, or any other BIM tool, export to IFC and we can work with it.
When you send a revised model, we update the takeoff and produce a delta report — a clear comparison showing what quantities increased, decreased, or were added and removed. You only pay for a revision update, not a full re-takeoff. This is one of the biggest cost advantages of BIM QTO over manual measurement.
A well-structured Revit model for a medium-sized building (5,000–15,000 sqm) typically takes 3–7 business days for a full multi-discipline takeoff. Infrastructure packages vary widely depending on scope. We quote a firm turnaround time after reviewing your model during the free scoping call — we do not give estimates without seeing the files.
Yes — and this is one of BIM QTO's most significant advantages over manual takeoff. Because every quantity links to a specific model element, the audit trail is unambiguous. Our Forensic QS team regularly uses BIM-linked quantities as the basis for claims analysis and arbitration expert reports.
Yes. For new clients, we offer a free sample QTO on a defined section of your model or drawings — typically one trade or one floor — so you can assess our quality and format before committing to a full engagement. Use the form below to request your free sample and we will come back within one business day.
Get a Free Sample

Try BIM QTO Before
You Commit

Send us a section of your model or drawings and we will return a sample quantity takeoff — free, no obligation. See our quality and format before you decide.