إجراء مقترح من رواندا: الأنابيب ولوازمها، التركيبات الصحية والتدفئة

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…