Building Quantity Survey Standard (BSIJ, Japan)
Bills of Quantities for Japan, done in minutes
Enormous Buildings turns your dimensioned floor plans into a complete, priced Bill of Quantities (BoQ) (数量積算書) for Japan — using the Building Quantity Survey Standard (BSIJ, Japan) standard that local quantity surveyors, contractors and lenders expect, priced in JPY (¥), with every rate source-cited.
What your Japan BoQ includes
- Preliminaries
- Substructure & foundations
- Superstructure & walling
- Roofing
- Internal finishes
- Services (plumbing & electrical)
- External works
| Description | Unit | Qty |
|---|---|---|
| Foundation trench excavation | m³ | 22.0 |
| Mass concrete strip foundation, C20 | m | 46.0 |
| 230mm masonry walls, common bond | m² | 168.0 |
| Reinforced concrete lintels over openings | m | 24.0 |
| Roof trusses & covering | m² | 142.0 |
| Internal plaster & finishes | m² | 380.0 |
Rates and totals are priced in JPY when you generate your own BoQ.
How it works in Japan
Japan — frequently asked
What BoQ format is used in Japan?+
Japan uses the Building Quantity Survey Standard (BSIJ, Japan) standard. Your bill is generated in that exact format (locally known as the 数量積算書), priced in JPY.
What currency is my BoQ priced in?+
Every rate and total is priced in JPY (¥), the currency used in Japan. You can also choose any other currency at generation.
How much does it cost?+
Generating and previewing is free. Unlocking the full Bill of Quantities (BoQ) (数量積算書) costs 1% of the estimated building cost, paid in your own currency.
How long does it take?+
A typical analysis for a Japan project completes in a few minutes — versus the days or weeks a manual takeoff takes.
Can a quantity surveyor or contractor rely on it?+
The bill is grouped by trade and every unit rate carries a source, so a Japan QS or contractor can check each figure. Treat it as a fast, auditable first-pass.