Reference library

Field notes on property risk engineering.

Working notes on HPR surveys, exposure assessment, and the frameworks that shape London Market underwriting decisions — written for brokers and risk practitioners who want the reasoning, not just the definitions.

All guides

6 entries
DR–2026–014

EML vs PML: where risk engineers and underwriters talk past each other

Why the two figures diverge in practice, and how to read an EML position that looks conservative but isn't.

DR–2026–015

What actually gets flagged on an HPR survey

A working checklist of the findings that most often shift terms — and the ones brokers over-worry about.

DR–2026–017

Why hot work permits matter

A short overview of what a permit system actually protects against, plus a downloadable sample permit.

DR–2026–018

Open-top containers and sprinkler protection

Why a fully compliant sprinkler system can still fail to control a fire inside a shielded container — and what it means for MFL.

DR–2026–019

Lithium-ion battery storage in warehousing

The blind spot that isn't a BESS — why bulk-stored batteries defeat standard sprinkler assumptions, and where it gets missed.

DR–2026–016

FM Global vs LPC/NFPA: reconciling divergent sprinkler standards

Coming soon.