SIST EN 13742-2:2005

• Abstract:

  This document provides a document to check and test, the proper operation and performance of a solid set irrigation system installed according to relevant design documents specified in EN 13742-1.

• Status: Published
• Publication Date: 31-Dec-2004
• ICS: 65.060.35 - Irrigation and drainage equipment
• Technical Committee: IMKG - Machinery for agriculture and forestry
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2005
• Due Date: 01-Jan-2005
• Completion Date: 01-Jan-2005
• Ref Project: EN 13742-2:2004 - Irrigation techniques - Solid set sprinkler systems - Part 2: Test methods

• Refers: SIST EN 12877-1:2001 - Colouring materials in plastics - Determination of colour stability to heat during processing of colouring materials in plastics - Part 1: General introduction
• Effective Date: 28-Jan-2026
• Refers: SIST EN 13742-1:2005 - Irrigation Techniques - Solid set sprinkler systems - Part 1: Selection, design, planning and installation
• Effective Date: 28-Jan-2026

SIST EN 13742-2:2005 is the Slovenian standard based on EN 13742-2:2004, published by SIST. It specifies test methods for solid set sprinkler systems and shows how to check that an installed system operates and performs according to the design documents used in EN 13742-1. In practice, it is the document to use when verifying an irrigation installation before start-up and recording the test results.

What does SIST EN 13742-2:2005 specify?

SIST EN 13742-2:2005 specifies inspection and test methods for solid set sprinkler systems installed according to the relevant design documents in EN 13742-1. It focuses on checking the installed system in the field, with procedures for inspection before pressurization, checks at start-up, and presentation of the results.

The document is organized into six clauses:

• Scope
• Normative references
• Terms and definitions
• Inspection and testing before pressurization
• Inspection and testing at start-up
• Presentation of test results

That structure matters because it takes the reader from document review to现场 checks and then to the report that records what was found.

What are the key requirements of SIST EN 13742-2:2005?

Inspection and start-up checks

Clause 4 requires an inspection of the installed material and its location against the bill of materials and the supplied plans. For a project team, this is the first check that the site matches the design before water is introduced.

Clause 5.1 recommends flushing all pipes before pressurization to remove dirt that may have collected during installation. This helps prevent blocked sprinklers and avoids confusing dirt-related problems with system defects.

Clause 5.2 requires main-lines and sub-mains to be pressurized to 1.5 times operating pressure before trenches are filled, with no visible leak or damage. In practice, this is a basic integrity test for buried pipework.

Visual and hydraulic checks

Clause 5.3 requires the system to be pressurized at normal operating conditions and checked for watertightness, leaks between components, sprinkler rotation, vertical and stable risers, valve operation, and installation in line with manufacturer instructions. These checks confirm that the system can run as intended, not just that the pipes are in place.

Clause 5.4 then requires hydraulic measurements at the system inlet and of total flow, which shall correspond to the project flow within 5%. It also requires pressure measurements at the most and least pressurized sprinklers on a sub-unit, with pressure variation not exceeding 20% of the design layout plan pressure. This shows whether the network is hydraulically balanced enough for uniform irrigation.

Distribution uniformity testing and reporting

Clause 5.5 requires distribution uniformity tests to be performed according to ISO 7749-2 to verify performance against the original design layout plan. The test area must match the sprinkler and lateral spacing, and each irrigation sub-unit must include at least two representative test areas, one in the most pressurized zone and one in the least pressurized zone.

The clause also sets practical test conditions: the collectors must be suitable in shape and placement, wind and weather must be monitored, pressure at the sprinkler inlet must stay constant within ±20 kPa, and the test duration must be at least 1 hour. Clause 6 then requires the report to include the inspection results, visual inspection results, hydraulic measurements, and the Christiansen uniformity distribution coefficient for each tested area.

What terms does SIST EN 13742-2:2005 define?

SIST EN 13742-2:2005 uses the terms and definitions from EN 13742-1:2004. The key terms in this document are used as follows:

• Solid set sprinkler system - a fixed irrigation installation with sprinklers installed in place for field operation.
• Main-lines - the main pipes that carry water through the system.
• Sub-mains - secondary pipes that distribute water from the main-lines to parts of the installation.
• Design layout plan - the project arrangement used to set sprinkler spacing, pressures, and test locations.
• Distribution uniformity - the measure of how evenly water is applied across the test area.
• Christiansen uniformity coefficient - the percentage coefficient calculated from collector readings to express distribution uniformity.
• Risers - vertical components that support and connect sprinklers in the installed system.

Who uses SIST EN 13742-2:2005?

SIST EN 13742-2:2005 is used by irrigation designers, installers, commissioning teams, inspectors, and test laboratories working on solid set sprinkler systems. Quality managers and buyers use it when they need evidence that an installed system matches the design and performs acceptably at start-up. It is also useful for contractors preparing handover reports and for project teams comparing field performance with the planned layout.

Which standards are used with SIST EN 13742-2:2005?

The document cites these standards as necessary companions:

• EN 13742-1:2004 - provides the selection, design, planning and installation basis, and supplies the terms and definitions used here.
• ISO 7749-1:1995 - gives design and operational requirements for rotating sprinklers and the wind limit used during uniformity testing.
• ISO 7749-2:1990 - gives the uniformity of distribution test methods and the collector spacing used for the field test.

What does the SIST EN 13742-2:2005 document contain?

SIST EN 13742-2:2005 contains a practical field test procedure for installed solid set sprinkler systems. It includes the pre-pressurization inspection, the start-up checks, the hydraulic measurements, and the distribution uniformity test method. The document also provides a catch-can layout figure for square sprinkler spacing and a formula for calculating the Christiansen uniformity coefficient from collector readings.

The final section on test results tells the reader exactly what needs to be reported, so the document supports both on-site checking and formal handover records.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PHWRGHBewässerungsverfahren - Ortsfest installierte Beregnungssysteme - Teil 2: PrüfverfahrenTechniques d'irrigation - Installations de couverture intégrale par asperseurs - Partie 2 : Méthodes d'essaiIrrigation techniques - Solid set sprinkler systems - Part 2: Test methods65.060.35Namakalna in drenažna opremaIrrigation and drainage equipmentICS:Ta slovenski standard je istoveten z:EN 13742-2:2004SIST EN 13742-2:2005en01-januar-2005SIST EN 13742-2:2005SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13742-2November 2004ICS 65.060.35 English versionIrrigation techniques - Solid set sprinkler systems - Part 2: TestmethodsTechniques d'irrigation - Installations de couvertureintégrale par asperseurs - Partie 2 : Méthodes d'essaiBewässerungsverfahren - Ortsfest installierteBeregnungssysteme - Teil 2: PrüfverfahrenThis European Standard was approved by CEN on 2 September 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13742-2:2004: ESIST EN 13742-2:2005
...