MCU14/0056 Response to SARA - Consulting Report

EN 858-1:2002 (E)

6.2.7.1.3 Plastics materials

The test specimens from the test in 8.1.4.2 shall retain the following tensile strength, flexural strength, modulas and
Izod impact resistance when compared with the control specimen:

— atleast 80 % for glass reinforced plastics;
— atleast 70 % for polyethylene
6.2.7.1.4 Sealing materials

F) When sealing materials others than those in 6.2.5 tested in accordance with 8.1.4.3, the test pieces shall not
show any signs which may affect their fitness for use.

6.2.7.1.5 Coatings

When tested in accordance with 8.1.4.4 the following requirements shall be met:

— Degree of blistering : not worse than degree 2, class 2 gradation in accordance with
ISO 4628-2.
— Degree of rusting : Re 0 in accordance with ISO 4628-3.
— Width of coating detachment : not greater than 1mm along the surface scratch in accordance with
ISO 1518.
— Degree of Buchholz : not more than 25 % indentation in accordance with ISO 2815.

6.2.7.2 External surfaces for underground conditions

When external coatings are required to steel or concrete and tested in accordance with 8.1.5 the following
requirements shall be met:

— Degree of blistering : not worse than degree 2, class 2 gradation in accordance with
ISO 4628-2.

— Degree of rusting : Re Qin accordance with ISO 4628-3

— Width of coating detachment : not greater than 1mm along the surface scratch in accordance with
ISO 1518.

6.2.8 Reaction to fire

Where subject to regulatory requirements, the reaction to fire of separator systems for light liquids shall be declared
in accordance with the provisions of 8.4.

NOTE It is recommended that the National Foreword (or a National Annex) to this document states whether regulation for
reaction to fire of wastewater engineering products exist in that country.

6.3 Design requirements

6.3.1 Area of the separator or sludge trap

The area up to 40 mm above the maximum operational liquid level shall be considered as part of the separator or
sludge trap.

42 This is a licensed reproduction produced by SAt Global Ltd, an authorized distributor of British Standards