Standard No.:	HG/T 20637.1-1998
Chinese Name:	自控专业工程设计文件的组成和编制
English Name:	Composition and preparation for engineering documents of instrumentation
Professional Classification:	P94 Metal equipment and process pipe installation engineering
Professional Classification:	HG Professional Standard - Chemistry
ICS Classification:	25.040.40 Industrial process measurement and control
Issued by:
Issued on:	1998-06-22
Implemented on:	1999-01-01
Status:	ABOLISHED
Replace By:	HG/T20637.1-2017
Replace By Date:
Language:	English
File Format:	PDF
Word Count:	27000 words
Price(USD):	810 (USD)
Delivery:	via email in 1-8 business day

1 General Provisions
1.0.1 In order to standardize and standardize documents engineering documents of instrumentation as well as meet the demands of construction projects at home and abroad, this Guide is prepared.
1.0.2 This Guide is applicable to the preparation before the design operation by instrumentation personal and the enquiry in design process, and it also my be taken as the standard for the checking of composition and details of engineering design documents.
1.0.3 Relevant standards are as follows:
HG/T 20636.6 "Task for Engineering Design of Instrumentation"
HG/T 20636.7 "Produce for engineering design of instrumentation"
HG/T 20637.2 "Symbols and identifiers for engineering design of instrumentation"
HG/T 20637.3 "Preparation of instrumentation engineering specification"
HG/T 20637.4 "Preparation of requirements for instrumentation construction and erection"
HG/T 20637.5 "Preparation of instrumentation requisition"
HG/T 20637.6 "Preparation of instrumentation specification"
HG/T 20637.7 "Materials take-off of instrumentation"
HG/T 20637.8 "Numbering of auxiliary equipment, cables and tubes"
HG/T 20638 "Specification for Details of Engineering Design of Instrumentation"
HG/T 20639.1 "Typical sheets for engineering design of instrumentation"
HG/T 20639.2 "Typical design information sheets for engineering design of instrumentation"
HG 20505 "Functional identification and symbols for process measuring and controlling instrumentation"
HG/T 20573 "Code for Distributed Control System Engineering Design"
During the implementation of this Guide, the provisions in the current relevant standards of the nation shall be complied with.

2 Composition of Design Documents
2.1 General
2.1.1 Engineering documents of instrumentation include equipment purchasing, construction and installation, configuration of DCS software as well as the required documents in instrument commission which are the design documents required in the whole project construction process.
2.1.2 In engineering design, corresponding addition or deletion may be made on the aspects of kinds and details of documents according to the demand of project abstract.
2.1.3 With view to convenience for computer operation and documentation management, codes are given for all kinds of documents according to document type and service.
Code formats are as follows: