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Homepage>BS EN 12285-1:2018 Workshop fabricated steel tanks Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and nonflammable water polluting liquids other than for heating and cooling of buildings
sklademVydáno: 2019-05-07
BS EN 12285-1:2018 Workshop fabricated steel tanks Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and nonflammable water polluting liquids other than for heating and cooling of buildings

BS EN 12285-1:2018

Workshop fabricated steel tanks Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and nonflammable water polluting liquids other than for heating and cooling of buildings

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Označení normy:BS EN 12285-1:2018
Počet stran:122
Vydáno:2019-05-07
ISBN:978 0 539 04878 0
Status:Standard
DESCRIPTION

BS EN 12285-1:2018


This standard BS EN 12285-1:2018 Workshop fabricated steel tanks is classified in these ICS categories:
  • 13.300 Protection against dangerous goods
  • 23.020.10 Stationary containers and tanks

This document specifies the product characteristics and test methods for workshop fabricated cylindrical, horizontal steel tanks, single (type S) and double skin (type D) intended to be used for the underground storage of water polluting liquids (both flammable and non-flammable) and installed in industrial processes or in petrol stations at normal ambient temperature conditions (−20 °C to +50 °C) within the following limits:

  • from 800 mm up to 3 000 mm nominal diameter and;

  • up to a maximum overall length of 6 times the nominal diameter;

  • with an operating pressure (Po) of maximum 50 kPa (0,5 bar(g)) and minimum – 5 kPa (–50 mbar(g)) and;

  • for double skin tanks with a vacuum leak detection system where the kinematic viscosity does not exceed 5 × 10−3 m2/s.

Tanks designed to this standard allow for an earth cover of up to 1,5 m. If there are imposed traffic loads or a greater earth cover, calculation is expected to be carried out.

This document is not applicable to tanks used for storage and/or supply of fuel/gas for building heating/cooling systems, and of hot or cold water not intended for human consumption, nor to loads and special measures necessary in areas subject to risk of earthquakes.

Guidance on installation of tanks is presented in Annex A, which does not include special measures that might be necessary in areas subject to flooding.

This document is not applicable for the storage of liquids having dangerous goods classes listed in Table 1 because of the special dangers involved.

Table 1 — List of dangerous goods which are not covered by this standard

UN-classification Type of dangerous goods
Class 1 Explosives
Class 4.2 Substances liable to spontaneous combustion
Class 4.3 Substances which in contact with water emit flammable gases
Class 5.2 Organic peroxides
Class 6.2 Infectious substances
Class 7 Radioactive substances, hydrocyanic or hydrocyanic solvent liquids, metal carbons, hydrofluoric acid, bromide liquids

NOTE The classifications referred to are those adopted by the United Nations Committee of Experts on the Transport of Dangerous Goods (not to be interpreted as tank classes described in 6.2).