Quantity take-off, by discipline
How a set of drawings becomes clean, countable quantities — split by CCTV, access control, cabling, and public address.
| Discipline | Device / line | Qty | Unit |
|---|---|---|---|
| ELV-CCTV | 4MP IP dome camera | 180 | EA |
| ELV-CCTV | 64-ch NVR, 30-day | 3 | EA |
| ELV-ACS | 2-door IP controller | 20 | EA |
| ELV-ACS | Card reader | 40 | EA |
| ICT-CABLE | Cat6A cabling point | 640 | EA |
| ICT-CABLE | Cat6A cable | 11,400 | m |
| ELV-PAVA | EN 54-16 amplifier | 24 | EA |
| ELV-PAVA | Ceiling speaker | 96 | EA |
A set of construction drawings becomes clean, countable quantities — organised so every discipline prices from its own tidy take-off.
Split the drawings by layer
Separate the CCTV, access-control, cabling, and PA layers first, so nothing is double-counted across systems or quietly missed.
Count devices per system
Cameras, readers, and PA speakers counted against their own system code — the quantities that drive most of the price.
Measure the linear works
Cable runs, containment, and back-boxes measured by length and count — not guessed with a round number.
Hand pricing a clean BoQ
Every quantity lands on a BoQ line tagged by system — a skeleton ready to price straight from the catalog.
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