DRS 644-6: 2026, Plumbing works — Code of practice — Part 6: Fuel gas piping and firestop protection

来源：epingalert 发布时间：2026-07-28 浏览量：*

通告成员：

Rwanda

通告类型：

TBT

通告发布时间：

2026-07-28

评议截止时间：

2026-09-26

通告描述：

1.1 This Draft Rwanda Standard provides recommendations and guidelines for fuel gas piping and firestop protection.
1.2 Coverage of piping systems extends from the point of delivery to the appliance connections.
1.3 Fuel gas piping systems do not apply to the following items:

a) Portable LP-Gas appliances and equipment of all types that are not connected to a fixed fuel piping system.
b) Installation of appliances such as brooders, dehydrators, dryers, and irrigation equipment used for agricultural purposes.
c) Raw material (feedstock) applications except for piping to special atmosphere generators.
d) Oxygen-fuel gas cutting and welding systems.
e) Industrial gas applications using such gases as acetylene and acetylenic compounds, hydrogen, ammonia, carbon monoxide, oxygen, and nitrogen.
f) Petroleum refineries, pipeline compressor or pumping stations, loading terminals, compounding plants, refinery tank farms, and natural gas processing plants.
g) Large integrated chemical plants or portions of such plants where flammable or combustible liquids or gases are produced by chemical reactions or used in chemical reactions.
h) LP-Gas installations at utility gas plants.
i) Liquefied natural gas (LNG) installations.
j) Fuel gas piping in electric utility power plants.
k) Proprietary items of equipment, apparatus, or instruments such as gas-generating sets, compressors, and calorimeters.
l) LP-Gas equipment for vaporization, gas mixing, and gas manufacturing.
m) LP-Gas piping for buildings under construction or renovations that is not to become part of the permanent building piping system—that is, temporary fixed piping for building heat.
n) Installation of LP-Gas systems for railroad switch heating.
o) Installation of LP-Gas and compressed natural gas (CNG) systems on vehicles.
p) Gas piping, meters, gas pressure regulators, and other appurtenances used by the serving gas supplier in distribution of gas, other than undiluted LP-Gas.
q) Building design and construction, except as specified herein.
r) Fuel gas systems on recreational vehicles manufactured in accordance with national standards in place on fire and health safety criteria for recreational vehicles.
s) Fuel gas systems using hydrogen as a fuel.
t) Construction of appliances.

1.4 Firestop protection systems include piping penetrations of required fire-resistance-rated walls, partitions, floors, floor/ceiling assemblies, roof/ceiling assemblies, or shaft enclosures are to be protected in accordance with the requirements of the Rwanda building code.

文档编号：

G/TBT/N/RWA/1471

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ICS Code：

23.040 - Pipeline components and pipelines;91.140.60 - Water supply systems

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通告目的：

Consumer information, labelling (TBT)
Prevention of deceptive practices and consumer protection (TBT)
Protection of human health or safety (TBT)
Protection of the environment (TBT)
Quality requirements (TBT)
Reducing trade barriers and facilitating trade (TBT)
Cost saving and productivity enhancement (TBT)

DRS 644-6: 2026, Plumbing works — Code of practice — Part 6: Fuel gas piping and firestop protection

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