In this month’s column, learn how the term “gaslighting” came about and how gas pressure affects gas lights. Plus, IAPMO is looking for comments on the new versions of the Water Efficiency Standard; the Uniform Solar, Hydronics and Geothermal Code; and the Uniform Swimming Pool, Spa and Hot Tub Code.

The NFPA’s 13, 13D and 13R standards spell out when fire sprinkler systems should include freeze protection. Read on to discover sources to determine an area’s minimum temperature and whether freeze protection is warranted.

Developing robust flushing plans for fire protection water supplies is crucial to remove any debris from the piping.

Inspecting water-based fire protection systems on a five-year rotation is deemed a significant value, considering the corrosion, rocks and debris found in such systems.

Proper hydraulic demand calculations are critical in the early stages of a water-based fire protection project.