JWCS delivers Equal Egressibility Strategy reports combining quantitative pedestrian-movement calculation under BS 9992 Annex A (or equivalent NUMBAT-based methods), refuge area provisioning sized for worst-case PRM presence, escape route engineering through to the place of safety, and fire and rescue service intervention-facility design (firefighting shafts, fire lifts, breathing-apparatus stages, rendezvous points) co-ordinated with London Fire Brigade.
Sub-surface premises raise the practical engineering — vertical evacuation against gravity, primary and alternative evacuation routes engineered against the available built form, and reliance on emergency-services intervention for the final phase of any incident. Each factor is engineered against the asset, not assumed.
New-build engagements design equal egressibility in from concept. Accessibility-upgrade engagements retrofit existing infrastructure to a workable PRM provision. Outputs feed into the station fire strategy and any fire strategy addendum, the Congestion Control and Evacuation Plan (CCEP) per BS 9992, the S1088-route submission where derogation is required, and the operator’s evacuation procedure annex.