International Organization for Standardization (ISO)
Latest
ISO 5894:2018
Scope
This document specifies requirements for watertight and oiltight manholes of the current types with bolted covers, for general shipboard use other than for pressure vessels.
It specifies the dimensions for the holes in the plating and the number, size and position of the fasteners.
It is applicable to manholes of raised coaming, surface mounted or recessed cover types.
The details of the manholes are at the discretion of the manufacturer.
ISO 5894:2018 Referenced Document
ISO 262 ISO general purpose metric screw threads — Selected sizes for bolts, screws, studs and nuts*, 2023-04-01 Update
ISO 5894:2018 history
2018ISO 5894:2018 Ships and marine technology — Manholes with bolted covers
1999ISO 5894:1999 Ships and marine technology - Manholes with bolted covers
1978ISO 5894:1978 Shipbuilding; Manholes with bolted covers