This standard specifies the model specifications, main structure and construction requirements, light-transmitting covering, greenhouse foundation, test methods, markings, packaging, transportation and storage of agricultural multi-span greenhouses. This standard applies to multi-span greenhouses for facility agriculture (hereinafter referred to as greenhouses). This standard does not apply to solar greenhouses used for sightseeing, entertainment, horticulture and scientific research.
GB/T 2410 Determination of light transmittance and haze of transparent plastics
GB/T 2680 Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors*, 2021-03-09 Update
GB/T 3091-2008 Welded steel pipes for low pressure liquid delivery