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MCU14/0056 Response to SARA - Consulting Report
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Log in to see the plans as drawnEN 858-1:2002 (E)
6.2.6 Coatings/inings
6.2.6.1 General
{f there are coating/lining applied to the surfaces of the separator system for protection against the effects of the
influent (for internal surfaces), and ground conditions (for external surfaces), they shall be in accordance with the
following requirements. .
6.2.6.2 Technical documentation
The supplier of the coating materials shall provide full technical documentation to ensure that:
a) the complete and correct identification and application of the material supplied, and
b) the possibility and limitations of a repair to the coating
are determined.
6.2.6.3. Preparation, application and curing
6.2.6.3.1 Surface preparation
Rolled steel surfaces shall be grit blasted to achieve a degree of cleanliness of at least Sa 2,5 and the roughness
profile, Ra, shall be between 10 ym and 20 um in accordance with ISO 8501-1.
Concrete surfaces shall be rough, clean and free from cement skin prior to coating. This can be achieved by grit
blasting with non-metallic abrasives, flame blasting or by using pressurized water devices.
6.2.6.3.2 Application and curing
The application and curing shall be carried out in accordance with the supplier's written instructions.
6.2.6.4 Properties
a) Dry film thickness — to be stated by the manufacturer of the separator system.
b) Adhesion ~at feast 6 N/mm? on steel and at least 2 N/mm? on concrete in accordance
with ISO 4624.
c) Impact resistance —at least 4 Nm in accordance with ISO 6272.
da) Scratch resistance — at least 50 N in accordance with ISO 1518.
e) Porosity — the coating shall have no pores when tested in accordance with 8.1.3.2.5.
6.2.7 Chemical resistance
6.2.7.1 Internal surface
6.2.7.1.1 General
All materials referred to-in 6.2 in contact with the influent shall be resistant to mineral oils, fuels (i. e. diesel oil),
petrol, gasoline, detergents and their decomposing products or protected accordingly. When tested in accordance
with 8.1.4 the following requirements shall be met.
6.2.7.1.2 Concrete
F) When uncoated and/or coated concrete is tested in accordance with 8.1.4.1, it shall comply with the
requirements given in 6.2.2.
This is a licensed reproduction produced by SAI Global Ltd, an authorized distributor of British Standards 41
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