This specification stipulates the principles, installation requirements, and management requirements for outdoor signboard facilities. This specification applies to the installation and management of outdoor signboard facilities within the urban area of Hangzhou. All counties (cities) in Hangzhou City can refer to this specification for implementation.
DB3301/T 89-2018 history
2023DB3301/T 89-2023 Specifications for the management of outdoor signboards
2018DB3301/T 89-2018 Specifications for the management of outdoor signboards