D0: To enable the civil work designer to pre-size the structures, perform seismic analysis, calculate differential displacement and determine foundation dimensions.
D0：为使土建工程设计方能预先确定结构的尺寸、进行地震分析、计算位移差并决定基础尺寸
D0 drawings shall:
D0图纸应：
– Include definition and overall dimensions for the positioning of structures and equipment, rough and finished floor levels (within 5 cm) and personnel and equipment access ways.
包括结构和设备定位、粗糙和磨光地板标高（5cm以内）以及人员和设备进出通道的确定和外形尺寸。
– show main passages and openings larger than 2 m2
标示出2m2以上的主通道和开孔
– show the location of heavy equipment,
标示出大型设备的位置
– show the location of areas needed for equipment (20t or more) disassembly and main component laydown, and handling load points,
标示出设备（20吨或以上）解体和主要部件搁置所需的区域的位置和装卸载荷点。
– specify the type of handling and transport equipment weighing 20t or more and its location,
规定重20吨或以上的装卸和运输设备的型号及其位置。
– show the location and capacity of personnel and freight elevators,
标示出载人电梯和货物电梯的位置和容量。
– contain information concerning the nature of roofing and wall cladding.
包含有关屋顶和墙面包层板的性能的信息
– indicate the following preliminary estimated loads:
说明下列初步估算载荷：
? concentrated loads of 20 tones or more such as rails, heavy handling equipment (including conveyors), structural steel work supporting the main equipment, and loads from main piping,
20吨或以上的集中载荷（如钢轨、大型搬运设备，包括皮带传送装置），主设备的钢结构支承和来自主管道的载荷。
? distributed loads.
分散载荷
Note: Concentrated loads of less than 20 tons shall be included in the distributed loads. Concentrated loads of 20 tons or more shall be located in the drawings with a tolerance of 50 cm.
注：小于20吨的集中载荷应包含在分散载荷中。图中所示的20吨或以上的集中载荷应留有50cm的裕度。
Beijing Chinese Subtitling Translation Service Agency has translated many technical documents about Seismic analysis calculation displacement difference.
华译网上海翻译公司曾经翻译过大量有关地震分析、计算位移差的资料文件。
Loads shall be broken down as follows:
应将载荷进行如下分类：
– permanent loads (static loading of equipment, taking into account the different operating situations when applicable),
永久载荷（设备的静载荷，考虑不同运行情况（如适用））；
– overloading due to erection of main equipment, 20 tons or more,
因安装主设备（20吨或以上）引起的过载；
– service overloading
运行过载
– dynamic loading during operation
运行过程中的动态载荷
– accidental overloading
事故过载
– seismic loading.
地震载荷
