GOST 12.4.021-75 PDF

Full title and description

GOST 12.4.021-75 — Система стандартов безопасности труда. Системы вентиляционные. Общие требования (System of standards for labour safety — Ventilation systems. General requirements). The standard sets out general safety and design requirements for ventilation, air‑conditioning and air‑heating systems used in industrial, storage, administrative and public buildings, specifying requirements for installation, commissioning, operation and maintenance while excluding certain specialized installations and transport environments.

Abstract

This normative document provides general provisions and safety requirements applicable to building ventilation systems (including general ventilation, air conditioning and air heating) intended to protect workers’ health and ensure safe operation. It describes the intended scope of application, exclusions (special installations and transport), and basic requirements covering design, installation, commissioning and maintenance practices that affect occupational safety and industrial hygiene.

General information

• Status: Mixed / varies by source — several standards repositories list the standard as active/valid, while some national registries record cancellations or local withdrawal notices; consult the user’s national standards body for legal applicability in your jurisdiction.
• Publication date: Original approval late 1975 (Decree of the State Committee for Standards of the Council of Ministers of the USSR dated 13 Nov 1975, No. 2849); entry into force / publication commonly cited as 01 January 1977.
• Publisher: Issued under the authority of the State Committee for Standards of the Council of Ministers of the USSR (Gosstandart) — historically the developer/publisher; later reprints and collections may be published by contemporary national standards agencies or commercial libraries.
• ICS / categories: 13.100 (Occupational safety. Industrial hygiene); 91.140.30 (Ventilation and air‑conditioning systems).
• Edition / version: Designation GOST 12.4.021-75 (original 1975 designation). Document has recorded amendments/changes (example: text changes/amendment noted in 1988). Reprints and library editions (1998, 2007 etc.) are listed by some vendors.
• Number of pages: Typically published as a short standard (commonly listed as 6–7 pages depending on issuer/format).

Scope

The standard applies to ventilation systems, air‑conditioning and air‑heating installations in production (industrial), storage, administrative and public buildings and structures. It does not set requirements for systems used in underground and open mining excavations, metro systems, transport vehicles, special‑purpose or uniquely purposed buildings, premises handling explosive substances, process‑integrated ventilation systems or pneumatic transport lines; those cases require separate, specialised rules. The document focuses on safety aspects related to design, installation, commissioning, operation and repair of ventilation systems.

Key topics and requirements

• General safety provisions for ventilation systems covering design, installation, commissioning, operation and maintenance.
• Requirements applicable to ventilation, air‑conditioning and air‑heating equipment selection and placement to ensure occupational safety and industrial hygiene.
• Procedures and responsibilities for safe commissioning and handover of ventilation systems.
• Operational and repair provisions intended to reduce risks to personnel (safe access, isolation, protective measures during maintenance).
• Exclusions and special cases where other normative documents or specialised regulations apply (mining, transport, explosive atmospheres, process ventilation).

Typical use and users

Primary users include occupational safety specialists, industrial hygienists, HVAC (ventilation and air‑conditioning) designers and engineers, building services engineers, facility managers, commissioning and maintenance teams, and regulatory/compliance personnel referencing historical or legacy USSR/GOST safety requirements. Standards libraries, technical schools and organisations maintaining conformity of industrial ventilation installations may also use this standard as a baseline or historical reference.

Related standards

GOST 12.4.021-75 is part of the broader GOST 12 (ССБТ — System of standards for labour safety) family. Documents commonly referenced alongside it include other GOST 12.x occupational safety standards and national/regional ventilation and HVAC norms (examples and related documents cited in repositories: GOST 16552‑86, GOST 24814‑81, GOST 24857‑81 and later GOST R / EN standards addressing ventilation and indoor air quality). For modern practice, compare with contemporary national or international HVAC standards and occupational safety regulations applicable in the user’s country.

Keywords

ventilation, ventilation systems, air conditioning, air heating, occupational safety, industrial hygiene, commissioning, maintenance, GOST 12, ССБТ

FAQ

Q: What is this standard?

A: GOST 12.4.021-75 is a USSR-era standard in the System of Standards for Labour Safety defining general requirements and safety provisions for building ventilation systems (ventilation, air‑conditioning and air‑heating).

Q: What does it cover?

A: It covers general provisions for design, installation, commissioning, operation and repair of ventilation systems in industrial, storage, administrative and public buildings, and specifies exclusions for specialised installations (mines, metro, transport, explosive atmospheres, process ventilation).

Q: Who typically uses it?

A: Occupational safety professionals, HVAC designers and engineers, facility managers, maintenance and commissioning teams, standards libraries and organisations working with Soviet/Russian technical documentation.

Q: Is it current or superseded?

A: Status information varies by registry: some repositories list the standard as still in force (or available as a valid normative document), while others record withdrawal or cancellation notices in specific national registers. Users should check their national standards body or official register for the legal/current status applicable in their jurisdiction.

Q: Is it part of a series?

A: Yes — it belongs to the GOST 12 series (ССБТ), the System of Standards for Labour Safety, which groups many standards on occupational safety, industrial hygiene and related technical requirements.

Q: What are the key keywords?

A: Ventilation systems, air conditioning, air heating, occupational safety, industrial hygiene, commissioning, maintenance, GOST 12.4.021-75.