This standard applies to drawings drawn by the following drawing methods: 1. Manual drawing; 2. Computer drawing. This standard is applicable to the following engineering drawings for HVAC majors: 1 Design drawings and as-built drawings of each stage of new construction, reconstruction and expansion projects; 2 Actual survey drawings of original buildings and structures; 3 General design drawings and standard design drawings.
GB/T 50114-2001 history
2010GB/T 50114-2010 Standard for heating,ventilation and air conditioning drawings
2001GB/T 50114-2001 Standard for heating,ventilation and air conditioning drawings