SIST EN 300 019-1-8 V2.1.4:2006

• Abstract:

  The present document defines the classes of environmental conditions and their severities to which telecommunications equipment may be exposed. The severities specified are those which will have a low probability of being exceeded; generally less than 1 %. The present document applies to equipment installed for stationary use at underground locations during:; - normal operation;; - on site installation and lining up;; - repair, maintenance and restoration of functions failed.

• Status: Published
• Publication Date: 31-Jan-2006
• ICS: 19.040 - Environmental testing
• ICS: 33.050.01 - Telecommunication terminal equipment in general
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Feb-2006
• Due Date: 01-Feb-2006
• Completion Date: 01-Feb-2006
• Ref Project: ETSI EN 300 019-1-8 V2.1.4 (2003-04) - Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-8: Classification of environmental conditions; Stationary use at underground locations

SIST EN 300 019-1-8 V2.1.4:2006 is the Slovenian adoption of ETSI EN 300 019-1-8 V2.1.4. It classifies the environmental conditions for telecommunications equipment used at partly weatherprotected underground locations. Engineers, buyers, and quality teams use it to judge whether equipment and its tests match the underground site environment.

What does SIST EN 300 019-1-8 V2.1.4:2006 specify?

SIST EN 300 019-1-8 V2.1.4:2006 specifies the environmental class for stationary telecommunications equipment in underground locations, together with the severities that are expected there. The scope covers normal operation, installation and lining up, and repair, maintenance, and restoration work.

The document is organized into:

• Clause 1 - scope
• Clause 2 - references
• Clause 3 - definitions
• Clause 4 - environmental class, including class 8.1
• Clause 5 - environmental conditions for climate, biology, chemicals, mechanical exposure, and earthquakes

Clause 4 gives the class description, and Clause 5 turns that class into site conditions that can be checked against a location or test plan.

What are the key requirements of SIST EN 300 019-1-8 V2.1.4:2006?

Class 8.1 for underground locations

Clause 4.1 defines class 8.1 for partly weatherprotected underground locations. In practice, this is the class to use for places such as footway boxes, manholes, and some tunnels where equipment is normally sheltered from direct weather but still faces underground-site hazards.

Clause 4.1 also notes that the class is built by combining several IEC 60721-3-3 classes, while the climate itself is described directly in this document. That matters because users cannot rely on a generic outdoor or indoor class when they are assessing underground sites.

Climatic and biological exposure

Clause 5.1 sets the climatic envelope for class 8.1. In practice, the reader checks temperature, humidity, pressure, condensation, icing, air movement, heat radiation, and temporary water exposure against the planned installation and the equipment heat output.

Clause 5.2 covers biological conditions. The practical message is that mould, fungus, rodents, and other animal attack can be expected, so enclosure materials, cable entries, and maintenance plans need to cope with that kind of site exposure.

Chemical, dust, and mechanical conditions

Clause 5.3 covers airborne chemical substances, including salt mist and common urban or industrial pollutants. In practice, sites close to chemical emissions may need the special chemical class 3C3 for one or more substances.

Clause 5.4 covers sand and dust, and Clause 5.5 covers vibration and shock. This tells the reader to consider sealing, mounting, and protection against traffic, nearby machinery, and similar mechanical stress, and to move to special class 3M5 when shock is more severe.

Earthquake conditions

Clause 5.6 gives the earthquake case for underground equipment mounted on structures of high rigidity. It uses response-spectrum thinking, so the reader must assess how the mounting structure affects the seismic load, and not just the equipment itself.

What terms does SIST EN 300 019-1-8 V2.1.4:2006 define?

• Absolute humidity - the mass of water vapour in a cubic metre of dry air.
• Relative humidity - the ratio of water vapour pressure in moist air to the saturation pressure at the same temperature.
• Stationary use - equipment permanently placed at a certain site.
• Weatherprotected location - a location protected from direct weather influences.
• Partly weatherprotected location - a weatherprotected location where direct weather influences are not completely excluded.

Who uses SIST EN 300 019-1-8 V2.1.4:2006?

SIST EN 300 019-1-8 V2.1.4:2006 is used by telecommunications equipment designers, environmental and test engineers, installation planners, quality managers, and buyers. It is relevant when specifying or checking equipment for underground network sites, including manholes, footway boxes, and tunnels.

What changed in SIST EN 300 019-1-8 V2.1.4:2006 from the previous edition?

The document history records earlier publications of ETS 300 019-1-8, then V2.1.2, then V2.1.4. SIST EN 300 019-1-8 V2.1.4:2006 corresponds to EN 300 019-1-8 Version 2.1.4.

Which standards are used with SIST EN 300 019-1-8 V2.1.4:2006?

Standard	What it contributes
ETSI ETR 035	Environmental engineering guidance and terminology.
IEC 60721-3-3	The class combination used as the basis for class 8.1.
IEC 60068-2-27	Shock test guidance.
IEC 60721-2-6	Earthquake vibration and shock conditions in nature.
IEC 60068-3-3	Seismic test methods and response-spectrum guidance.
Part 1-0	General overview of Part 1.
Part 2	Recommended test severities and test methods for the environmental classes.

What does the SIST EN 300 019-1-8 V2.1.4:2006 document contain?

The document contains a climatogram for class 8.1, plus tables for climate, biological conditions, chemically active substances, mechanically active substances, and mechanical conditions. Clause 5.6 also gives the earthquake response-spectrum method, the ZPA formula, and a table of acceleration coordinates.

These items are used to classify a site, compare it with equipment capability, and prepare environmental tests or acceptance checks.

SLOVENSKI STANDARD
01-februar-2006
Okoljski inženiring (EE) – Okoljski pogoji in preskusi vplivov okolja na
telekomunikacijsko opremo – 1-8. del: Klasifikacija okoljskih pogojev – Fiksna
uporaba na podzemnih lokacijah
Environmental Engineering (EE); Environmental conditions and environmental tests for
telecommunications equipment; Part 1-8: Classification of environmental conditions;
Stationary use at underground locations
Ta slovenski standard je istoveten z: EN 300 019-1-8 Version 2.1.4
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
33.050.01 Telekomunikacijska Telecommunication terminal
terminalska oprema na equipment in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Environmental Engineering (EE);
Environmental conditions and environmental tests
for telecommunications equipment;
Part 1-8: Classification of environmental conditions;
Stationary use at underground locations

2 ETSI EN 300 019-1-8 V2.1.4 (2003-04)

Reference
REN/EE-01027-1-8[2]
Keywords
environment, testing, underground
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ETSI
3 ETSI EN 300 019-1-8 V2.1.4 (2003-04)
Contents
Intellectual Property Rights.4
Foreword.4
1 Scope.5
2 References.5
3 Definitions.5
4 Environmental class.6
4.1 Class 8.1: partly weatherprotected underground locations.6
5 Environmental conditions.7
5.1 Climatic conditions.7
5.2 Biological conditions.8
5.3 Chemically active substances .8
5.4 Mechanically active substances.8
5.5 Mechanical conditions.9
5.6 Earthquake conditions.9
History .11

ETSI
4 ETSI EN 300 019-1-8 V2.1.4 (2003-04)
Intellectual Property Rights
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All published ETSI deliverables shall include information which directs the reader to the above source of information.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Environmental
Engineering (EE).
The present document is part 1, sub-part 8 of a multi-part deliverable covering the classification of environmental
conditions and environmental tests for telecommunications equipment, as identified below:
Part 1: "Classification of environmental conditions";
Sub-part 0: "Introduction";
Sub-part 1: "Storage";
Sub-part 2: "Transportation";
Sub-part 3: "Stationary use at weatherprotected locations";
Sub-part 4: "Stationary use at non-weatherprotected locations";
Sub-part 5: "Ground vehicle installations";
Sub-part 6: "Ship environments";
Sub-part 7: "Portable and non-stationary use";
Sub-part 8: "Stationary use at underground locations";
Part 2: "Specification of environmental tests".
Part 1 specifies different standardized environmental classes covering climatic and biological conditions, chemically
and mechanically active substances and mechanical conditions during storage, transportation and in use.
Part 1-0 forms a general overview of part 1.
Part 2 specifies the recommended test severities and test methods for the different environmental classes.

National transposition dates
Date of latest announcement of this EN (doa): 31 July 2003
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 January 2004
Date of withdrawal of any conflicting National Standard (dow): 31 January 2004

ETSI
5 ETSI EN 300 019-1-8 V2.1.4 (2003-04)
1 Scope
The present document defines the classes of environmental conditions and their severities to which telecommunications
equipment may be exposed. The severities specified are those which will have a low probability of being exceeded;
generally less than 1 %.
The present document applies to equipment installed for stationary use at underground locations during:
- normal operation;
- on site installation and lining up;
- repair, maintenance and restoration of functions failed.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
[1] ETSI ETR 035: "Equipment Engineering (EE); Environmental engineering Guidance and
terminology".
[2] IEC 60721-3-3: "Classification of environmental conditions - Part 3: Classification of groups of
environmental parameters and their severities - Section 3: Stationary use at weatherprotected
locations".
[3] IEC 60068-2-27: "Environmental testing. Part 2: Tests. Test Ea and guidance: Shock".
[4] IEC 60721-2-6: "Classification of environmental conditions. Part 2: Environmental conditions
appearing in nature. Earthquake vibration and shock".
[5] IEC 60068-3-3: "Environmental testing. Part 3: Guidance. Seismic test methods for equipment".
3 Definitions
For the purposes of the present document, the following terms and definitions apply:
absolute humidity: mass of water vapour in grammes which is associated with one cubic metre of dry air in an
air/water vapour mixture
NOTE: It is not intended for portable use but short periods of handling during erection work, down time,
maintenance and repair at the location are accepted.
relative humidity: ratio of the partial pressure of the water vapour in moist air at a given temperature, to the partial
pressure of the water vapour in saturated air at the same temperature
stationary use: equipment permanently placed at a certain site
ETSI
6 ETSI EN 300 019-1-8 V2.1.4 (2003-04)
weatherprotected location: location at which the equipment is protected from direct weather influences
NOTE 1: Totally weatherprotected location: direct weather influences are totally excluded.
NOTE 2: Partly weatherprotected location: direct weather influences are not completely excluded.
4 Environmental class
4.1 Class 8
...