BS EN ISO 23386:2020
Revit Guides
Data Management
Building information modelling and other digital processes used in construction
Methodology to describe, author and maintain properties in interconnected data dictionaries
Dictionary
Organizational Information Requirements (OIR)
ELI5-S1: BIM Basics E7: OIR explained information requirements in relation
2022-07-24
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Blog
BS8519 awareness of the changes
An email debate on whether BS 8519’s “dedicated cable support” rules really apply to central battery emergency lighting. We unpack the scope of BS 8519 vs BS 5266-1 and BS 7671, and what that means for segregation, containment and life-safety wiring on real projects.
2025-11-14
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How To
How to size cable tray
A tray can pass on width and still be wrong. Table 4C1 gives four different grouping factors for four different arrangements of the same six circuits; the fault force on the cleats is set by the current at the tray and its peak factor, not the device rating; and every run on a multi-service bracket lands on the same two rods. The four checks to BS 7671:2018+A4:2026, BS EN 61914 and BS 8519:2020, worked.
2026-08-12
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