Selection and installation of manhole tops and gully tops within the highway. Guide Ingestion-build-61878 BS EN ISO 15798:

BS EN ISO 15798:

This document is only applicable to safety devices for functional safety communication which are developed according to IEC 61508 and IEC 61784‑3

— ensuring that electrical emergency equipment continues to be functional until evacuation is complete (see EN 45545‑6)

Bushings for high-voltage direct current systems

Selection and installation of manhole tops and gully tops within the highway. Guide Ingestion-build-61878 BS EN ISO 15798:1 Scope This British Standard gives guidance for the selection and installation of manhole tops and gully tops conforming to BS EN 1241: 2015 to BS EN 1246: 2015 for covering gullies, manholes and inspection chambers to be used in conjunction with other components and materials to form a safe, durable, maintainable and usable installed system for highway applications.