Guides to BOQs, BIM and quantity checks
Guides to model data, drawing-based completion and professional BOQ review. Yaakov’s service pages and price list remain on the business website.
AiN and model-data workflows
What is BIM? From a 3D model to information and a bill of quantities
AI in quantity takeoff: suggestions and professional checks
PDF and DWG measurements alongside a model
AI assistance in mapping and checking a BOQ
Visual model checks alongside the BOQ
Mapping model data to BOQ items
Organising the BOQ: chapters, lines and sources
Managing BIM model versions and sources
BOQ export to Excel: checking the workbook
Manual completion in a model-linked BOQ
Reading model data before quantity calculation
From a BOQ line back to model elements
Analysing quantities by level, category and source
Quality checks for BOQ data
Documenting the source of a quantity
From Revit data to a checkable BOQ
Comparing calculated quantities with Revit data
Preparing a Revit model for quantity tools
Room and finish areas: measurement basis and checks
From quantities to progress records and cost control
Language, units and item structure in the BOQ
From the BOQ to resources and construction planning
AiN: from model to table, review and Excel
Further professional guides
AutoCAD quantity takeoff: from drawing geometry to a checkable BOQ
Bill of quantities: how to read it, check it and compare quotes
BIM model enrichment: how much it helps, and what goes into the model to run a BOQ on it
BOQ preparation: what to prepare and how to define the work
Sample bill of quantities: see what a professional BOQ looks like before you order
Construction BOQ: work breakdown, sources and scope
Construction cost estimate: understand the scope behind the total
Construction inputs: how to break a m² of plaster or a m³ of column into hours, material and waste
Construction procurement: why data and quantities set the price
Construction quantity surveyor in the BIM era: Revit model quantities you can check
Construction resources: from BOQ quantities to crews, durations and a Gantt chart
Construction schedule: from quantities to outputs, from durations to a Gantt chart and the critical path
Construction variations: what changed, by how much, and what remains undecided
Consultants' bills of quantities: sources, scope and coordination
Structural frame price per m²: how contractors on site price it, and how to calculate the m²
Demolition BOQ: what goes in, what is marked as missing, and why zero is the costly mistake
Earthworks quantities: volume in the ground, volume in the truck, soil from a pile bore, and the swell factor
Finishes quantity takeoff: plaster, paint, tiling and waterproofing in wet rooms
General Specification chapter 81: what it requires from a bill of quantities taken from the model
Methods of measurement: define and check the basis of each BOQ item
Model quantity takeoff: which elements are measured, in which unit, and how to make sure the number is right
Navisworks quantity takeoff: from combined models to a checkable BOQ
Interim payment applications in construction: cumulative quantities, index linkage, retention, variations and VAT
The Acrobat measuring tool: how I take quantities off a PDF drawing, and where I check
Construction price list vs market price: why a general price list is not accurate for your project
Private house construction budget: from the BOQ to a budget you can follow
Professional bill of quantities: what should be clear at handover?
Quantity calculation file: trace the BOQ back to its sources
Quantity cross-check: what to compare and how to record a gap
Quantity surveying: the field, the methods and the tools
Quantity takeoff for construction: what is measured and how the result is checked
Three quantities for the same work: measurement, BOQ and order
Technical specification: connect requirements to quantities
Revit quantity takeoff: from schedules to a checkable BOQ
Site overheads and company overheads: what goes in, how to calculate them from the schedule, and what they do to the price
General Specification vs commercial price list: where they conflict, and what to write in the BOQ
Submitting variation claims as a contractor: how to identify, document, price and submit work that was not agreed
Quantity takeoff software: how I work with Acrobat Pro, AutoCAD, Revit, Navisworks, Autodesk Takeoff and AiN Engine