MAINSTREAMهندسة السلامة من الحريق

2026-11-02 · Regulation

On gaseous suppression the agent has become the long-lead item

Two Gulf authorities moved in October. One raised how much suppression a factory must install, the other put the agent that fills it under import permit and quota. Agent selection is now a design decision with a regulatory variable in it.

A gaseous suppression system has two regulators in the Gulf, and only one of them reviews your drawings. The civil defence authority decides whether the system is required and how it must perform. An environmental authority decides whether the agent that fills it can enter the country at all, in what quantity, and for how many more years.

Most project compliance registers track the first and ignore the second. In October both moved, in different countries, on the same system.

What Oman did

On 11 October Oman’s Environment Authority published Decision No. 173/2026, the Regulation on the Protection of the Ozone Layer, which took effect the following day and replaces the 2013 regulation. Reporting on the decision places fire-extinguishing equipment among the controlled equipment categories, alongside refrigeration and air conditioning. The scope extends past ozone-depleting substances to the substances used as their alternatives.

The obligations are the familiar trade-control set: prior authorisation to import, export or re-export; annual import quotas; permit fees; annual reporting and documentation of material sources; container labelling; a ban on importing used equipment that depends on controlled substances; and prior approval before a controlled substance, or equipment holding one, can be disposed of or destroyed. Fines double for repeat violations.

A fire protection scope should read three facts out of that. The agent is a licensed commodity, not a catalogue line. The quota is national and annual, so a refill after a discharge competes with every other application in the country that year. And the end of the system’s life is permitted too, which removes the quiet option of venting a bank and replacing it.

The UAE is not an exception to this

None of it is peculiar to Oman. The UAE has regulated hydrofluorocarbons since Ministerial Decree No. 138 of 2023, which requires a ministry permit to manufacture, import, export, re-export or transit HFCs, including recycled and reclaimed material, and requires registration, annual and quarterly reporting, and prior consent before waste HFCs or equipment containing them are disposed of. It applies across the country, free zones included. The phase-down follows the quotas and timelines agreed by the Montreal Protocol parties, with a stated goal of full elimination by 2040.

If the clean agent in a specification is an HFC, its availability has a policy expiry date rather than a stock position. That is a different kind of risk from a supplier going quiet.

The demand side moved in the same month

Ten days later Qatar’s General Directorate of Civil Defence presented updates to the third edition of its Civil Defence Technical Requirements Guide. The reported changes include automatic sprinklers in medium-risk warehouses and factories above 1,115 sq m, with all spaces beneath a single roof counting towards the threshold; new provisions for single-staircase layouts in several occupancies and for basement levels; conditions under which adjacent structures may be treated as separate buildings, one example being a partition wall with a two-hour fire-resistance rating and no openings; and direction that modifications to previously approved buildings be assessed on the nature of the change.

The aggregation rule deserves a second reading. Internal partitioning does not bring a building under the area threshold if the roof above it is continuous. Facilities that were assessed as a set of rooms may be assessed as one floor area.

So within three weeks, one authority increased the quantity of fixed protection a facility must install, and another placed the material that fills part of it under permit and quota. Two ministries, two countries, two compliance paths, and in most organisations two different people, neither of whom is told what the other one found.

Why this belongs in the design decision

Agent selection used to be a closed trade: enclosure integrity and achievable hold time, toxicity limits in occupied space, cylinder count and floor area, and cost. Regulatory availability over the service life is now a fifth variable, and it is the only one that gets worse with time rather than staying fixed at handover.

Inert gas systems using nitrogen, argon or blends, carbon dioxide where occupancy permits it, and water mist all use media that are not fluorinated and fall outside both the ozone and the HFC regimes. They are not a free substitution. They need more cylinder volume and more floor space, they load the enclosure differently on discharge, and the enclosure integrity and hold-time case has to be made again. That is a genuine engineering trade with costs on both sides. The change is that one side of it now carries a variable that used to be treated as a constant.

There is a contractual edge to this as well. A supply agreement that identifies the agent by trade designation and nothing else leaves the import permit unowned. On a free zone project the importer of record is frequently not the contractor who specified the system, and the entity that will file the quarterly report is often identified only after a shipment is already held. That is a schedule risk created entirely by a gap in a document.

What to check

  • For each gaseous suppression system you own or are specifying in the Gulf, establish the agent’s chemical family and whether it falls under an ozone or HFC control regime in the jurisdiction where the plant will run, not where it was designed.
  • Name the importer of record and the permit holder in the contract, and name the entity responsible for periodic reporting.
  • Ask the supplier in writing what the refill lead time is after a discharge, on the assumption that the national quota for the year is already allocated.
  • For any system whose agent sits on a phase-down path, find out now whether the enclosure could accept an inert gas or water mist design and what it would cost in space and civil work. That figure is the price of the option, and it is cheaper to hold than to discover during a refill.
  • If you operate or are building in Qatar, re-check the sprinkler scope for warehouse and factory areas against the continuous-roof aggregation rule before the next approval submission.

The pattern worth taking from October is not that one regulation changed. It is that fire protection media are now traded commodities under environmental control, and the authority that writes those rules has never read your fire strategy.

Sources

Mainstream Petrochemical Instruments FZE provides fire safety engineering for high-hazard industrial facilities. This article is general technical commentary and is not a design recommendation for any specific facility.

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