SNiP 2.04.02-84* PDF

Full title and description

SNiP 2.04.02-84* — "Water supply. External networks and structures" (Russian: СНиП 2.04.02-84* «Водоснабжение. Наружные сети и сооружения») — a Soviet-era set of construction norms and rules that defines principles, design requirements and technical rules for external water-supply networks and associated structures (pipelines, water-intake works, pumping stations, reservoirs, fittings, trenching and protection measures).

Abstract

This document establishes design and operational rules for external water-supply systems serving settlements and industrial facilities: calculation of water demand and hydraulic parameters, layout and sizing of mains and branches, requirements for water-intake structures, pumping stations and reservoirs, material and installation requirements, frost and corrosion protection, testing and commissioning procedures, and operational/maintenance provisions. The standard was issued in the mid‑1980s and later consolidated into the modern SP (Svod pravil) series.

General information

• Status: Historically authoritative SNiP; largely superseded by consolidated rules in the SP series (SP 31.13330 — consolidated editions following 2012 and updated 2021). Portions of the original SNiP have been retained or referenced in transitional regulations.
• Publication date: Approved by Gosstroy (State Committee for Construction of the USSR) July 27, 1984; entry into force/implementation from 1985 (consolidated texts and later updates issued subsequently).
• Publisher: Approved and published under the authority of Gosstroy (USSR) — subsequently maintained and circulated in Russian normative databases and consolidated into SP publications by the Russian construction authorities.
• ICS / categories: Construction and building services — installations in buildings / water supply systems (ICS 91.140.60) and external water conveyance (related civil engineering class 93.025).
• Edition / version: Original SNiP 2.04.02-84* (1984) with later amendments/corrections recorded in official databases (amendments noted in subsequent years); consolidated into SP 31.13330 (2012), with later updates to the SP series (including the 2021 revision).
• Number of pages: Typical published PDF editions list about 131 pages for the consolidated SNiP text (page count may vary by publisher/translation and by inclusion of appendices).

Scope

SNiP 2.04.02-84* covers planning, hydraulic design, construction, testing and commissioning, and recommended operational principles for external (outdoor) potable water supply systems: source and intake design (surface and groundwater), transmission mains and distribution networks, pumping stations and categorisation of pumping facilities, storage reservoirs (elevated and ground), pipe material and jointing requirements, trenching and backfill, frost protection, corrosion protection and cathodic measures, isolation and control valves, air- and scour-valves, metering and inspection chambers, and rules for acceptance testing and handover. It is aimed at permanent municipal and industrial water-supply systems.

Key topics and requirements

• Estimation of water demand and consumption patterns for settlements and industrial users (peak, average and emergency flows).
• Hydraulic calculation methods for steady and transient conditions; rules for selecting pipe diameters and velocities.
• Design and siting of water-intake structures (open intakes, wells, galleries) and sanitary protection zones.
• Pumping-station types, categorisation (reliability categories), layout, standby power and electrical supply considerations.
• Reservoir design (capacity calculation, freeboard, compartmentation, access and ventilation requirements).
• Material selection and workmanship standards for pipes, fittings, valves, joints and protective coatings; requirements for trenching, bedding, backfill and compaction.
• Frost insulation, depth of laying in different climate zones, anti‑buoyancy and anchoring rules.
• Testing, disinfection, hydraulic and tightness tests, commissioning procedures and documentation for acceptance.
• Operational, maintenance and safety provisions, including access, inspection chambers, and environmental safeguards for intakes and discharge zones.

Typical use and users

Engineers and designers of municipal and industrial water-supply networks, utility planners, construction contractors, site supervisors, commissioners and maintenance teams, regulatory authorities reviewing design compliance, and educators referencing historical SNiP practice and its translation into modern SP rules. The document is used for design templates, technical justification of hydraulic solutions, and as a reference when older projects were designed under SNiP-era rules.

Related standards

Consolidated and related documents include the SP series that updated or replaced SNiP provisions (SP 31.13330 — consolidated water-supply rules, editions from 2012 and later updates), the companion SNiP/SP for sewerage and external sewage networks (SNiP 2.04.03-85 / SP 32.13330 series), and numerous GOST standards and technical regulations covering pipes, valves, coatings, and testing procedures referenced by the SNiP text.

Keywords

Water supply; external networks; pipelines; pumping stations; water intake; reservoirs; hydraulic calculation; trenching; frost protection; SNiP 2.04.02-84; SP 31.13330; design rules; Gosstroy.

FAQ

Q: What is this standard?

A: SNiP 2.04.02-84* is a Soviet-era construction norm titled "Water supply. External networks and structures" that set design and operational rules for outdoor potable water systems; much of its content has been carried forward or consolidated into later SP documents.

Q: What does it cover?

A: It covers hydraulic calculations, sizing and layout of mains and distribution, water-intake works, pumping stations and reservoirs, pipe materials and installation practices, frost and corrosion protection, testing and commissioning, and operation/maintenance provisions for external water-supply systems.

Q: Who typically uses it?

A: Municipal and utility water‑supply designers and engineers, contractors, commissioning teams, regulatory reviewers, and educators—especially when working on legacy projects designed under SNiP-era rules or when referencing historic normative practices.

Q: Is it current or superseded?

A: The original SNiP text (1984) is historically authoritative but has been consolidated and in practice superseded by the SP series (SP 31.13330 — consolidated rules published in 2012, with later revisions including a 2021 update). Some SNiP provisions remained in force in transitional arrangements and some sections were explicitly retained by governmental orders; users should check the current SP edition and official registers for applicable rules.

Q: Is it part of a series?

A: Yes — it belongs to the family of construction norms (SNiP) governing engineering systems; its subject matter is paired with related SNiP/SP documents for sewerage (SNiP 2.04.03-85 / SP 32.13330) and numerous GOST technical standards referenced within the text. The consolidated successor is published under the SP (Svod pravil) numbering (SP 31.13330 and later editions).

Q: What are the key keywords?

A: Water supply, external networks, reservoirs, pumping stations, water intake, hydraulic calculation, pipe materials, frost protection, commissioning, SNiP 2.04.02-84, SP 31.13330.