3　Engineering Architecture

3.1　General Requirements

3.1.1　The design of engineering architecture of intelligent system shall cover design grade，architecture planning，system configuration，etc.

3.1.2　The design grade of intelligent system engineering shall be established according to such comprehensive factors as the construction objective，function category，regional situation，operation and management requirements，investment scale，etc.of building.

3.1.3　For the architecture planning of intelligent system，construction design of hierarchical structure shall be carried out according to the function requirements，basic conditions，application mode，etc.of building，and the architecture form combined by several intelligent facilities shall be constituted.

3.1.4　Relevant intelligent system shall be selected for the system configuration of intelligent system engineering according to the design grade and architecture planning of intelligent system engineering.