Standard No.:	GB/T 44693.4-2026
English Name:	Process stability of hazardous chemical enterprises—Part 4: Management specification for start-up process
Chinese Name:	危险化学品企业工艺平稳性 第4部分：开工过程管理规范
Chinese Classification:	E09    Hygiene, safety and labor protection
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2026-02-27
Implemented on:	2026-6-1
Status:	to be valid
Target Language:	English
File Format:	PDF
Word Count:	12500 words
Translation Price(USD):	375.0
Delivery:	via email in 1~5 business day

GB/T 44693.4-2026 Process stability of hazardous chemical enterprises—Part 4: Management specification for start-up process English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS CCS National Standard of the People's Republic of China ‌GB/T 44693.4-2026 Process stability of hazardous chemical enterprises - Part 4: Management specification for start-up process 危险化学品企业工艺平稳性 第4部分：开工过程管理规范 Issue date: 2026-02-27 Implementation date: 2026-09-01 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China the Standardization Administration of the People's Republic of China Contents Foreword Introduction 1 Scope 2 Normative References 3 Terms and Definitions 4 Abbreviations 5 Basic Requirements 6 Management of Startup for New, Rebuilt or Expanded Units 6.1 Preparation Work 6.2 Interlinked Commissioning 6.3 Prestartup Safety Review 6.4 Feedstock Commissioning 6.5 Commissioning Summary 6.6 Production Assessment 7 Management of Startup for Overhauled Units 7.1 Preparation Work 7.2 Unit Startup 7.3 Startup Summary 8 Auxiliary Technologies for Unit Startup Annex A (Informative) Example of a Prestartup Safety Checklist Bibliography Process stability of hazardous chemical enterprises — Part 4: Specification for startup process management 1 Scope This document specifies the basic requirements for the startup process management of units in hazardous chemical production enterprises, the management of startup for new, rebuilt or expanded units, the management of startup for overhauled units, and auxiliary technologies for unit startup. This document applies to the startup management of new, rebuilt and expanded units and units after overhaul in hazardous chemical production enterprises. 2 Normative references The contents of the following documents constitute essential provisions of this document through normative reference. For dated references, only the edition cited applies. For undated references, the latest edition (including all amendments) applies. GB/T 44693.1 Process stability of hazardous chemical enterprises — Part 1: Management guidelines GB/T 44693.2 Process stability of hazardous chemical enterprises — Part 2: Technical specification for control loop performance assessment and optimisation 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 44693.1, GB/T 44693.2 and the following apply. 3.1 startup A series of activities that transition a unit from a stopped state to a normal production state and produce target products. NOTE: To better align with customary terminology in hazardous chemical production enterprises and to avoid semantic ambiguity, "startup" is expressed as "kāi chē" in the Chinese version of this document, with both terms having equivalent meanings. 4 Abbreviations The following abbreviations apply to this document. DCS: Distributed Control System HAZOP: Hazard and Operability Study PSSR: Prestartup Safety Review SDS: Safety Data Sheet 5 Basic requirements The startup of hazardous chemical production units shall meet the following requirements: a)Startup shall avoid extreme weather conditions such as severe cold (daily minimum temperature below the minimum design temperature of the unit), extreme heat (daily maximum temperature reaching 40 °C), typhoons, etc.; b)A startup plan shall be prepared before startup; c)A prestartup safety review shall be conducted to confirm that the conditions for startup are met; d) During the startup process, environmental protection facilities shall be started first; e) During the startup process, exposed process, equipment, safety, environmental and other issues shall be addressed promptly; f) Records shall be kept during the startup process, and key and difficult issues shall be summarised. 6 Management of startup for new, rebuilt or expanded units 6.1 Preparation work 6.1.1 Organisational preparation shall include the following content: a)Hazardous chemical production enterprises (hereinafter referred to as "enterprises") shall establish an organisational management structure for the trial production phase, clarifying the person in charge, departments and relevant personnel for the trial production phase, as well as their work responsibilities; b) Enterprises shall organise the formulation of corresponding management systems, including various work safety responsibility systems, work safety management systems, process management systems, equipment management systems, etc.; c) Enterprises shall establish a unit startup organisational structure primarily composed of the enterprise itself, with the participation of the general contractor, technology provider, design unit, supervision unit and construction unit, and shall define the management scope and responsibilities of the relevant parties. 6.1.2 Personnel preparation shall include the following content: a)The principal responsible person, work safety management personnel and special operations personnel of the enterprise shall obtain safety qualification certificates, special operation certificates and operation qualification certificates as required before they can assume their positions or work on site. b)Enterprises shall determine the number and responsibilities of personnel for each position based on the unit scale and production requirements, and shall equip management personnel, technical personnel, operating personnel, etc. Key technical personnel shall have 5 years or more of production practice and new unit startup experience; operating personnel in key positions shall have 3 years or more of production practice experience. c) Enterprises shall provide training for personnel involved in unit startup on professional knowledge, rules and regulations, operating procedures, accident cases, safety emergency response, simulated practical operation, etc., and such personnel shall only carry out corresponding work after passing examinations. 6.1.3 Technical preparation shall include the following content: a)Enterprises shall review the purging, cleaning, pressure testing and singlemachine commissioning plans during the project construction phase. b) Enterprises shall prepare documents such as operating procedures, process flow diagrams, startup and shutdown plans, work instructions, prestartup safety checklists, process cards, safety data sheets (SDS), training materials, etc., during the project construction phase. c) Enterprises shall prepare emergency response plans during the project construction phase. d) Enterprises shall prepare interlinked commissioning plans during the project construction phase, and shall complete the approval process. The interlinked commissioning plan shall include the following content: Commissioning organisation and command system; Conditions that should be met for commissioning; Commissioning procedure and schedule;