Royal Free Hospital — 240 RPZ retrofits in 8 weeks

How a live-site maintenance window was used to bring HU outlets into AIM.

How a live-site maintenance window was used to bring HU outlets into AIM.

A planned isolation window plus prefabricated RPZ cabinets is faster than piecemeal live-site swaps. Test cocks and strainers have to be in the kit, not an afterthought.

Related Regulation Guides

Related Tools

Share this article

Continue reading

Related articles

Insight

Missing test cocks, inverted relief valves, and isolation that makes annual AIM testing impossible.

Insight

Closed heating and chilled circuits are Category 4. A double check on the filling point is not enough.

Insight

When a mechanical device cannot replace a Type A air gap — and how to dimension the weir.