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FUNCTION
Brett Martin Underground Drainage offers a
comprehensive range of drainage systems. It
includes the Drain, Sewer, Perforated, Surface
Water and Cable Duct systems.The entire range
incorporates pipes and fittings in eight diameters
from 53.9mm to 400mm.
Brett Martin Drain and Sewer Systems are
complemented by the Brett Martin Surface Water
and Soil and Waste systems providing a complete
solution for all your drainage requirements.
AUTHORITY
Brett Martin Drainage systems satisfy the
requirements of the following:-
The
Building Regulations 1990
Building Standards (Scotland) Regulations 1990,
Part M.
The Building Regulations (Northern Ireland) 1990,
Technical Book N.
STANDARDS
Brett Martin Drainage systems are manufactured
under the following British Standards:
BS EN ISO 9001:2000 Quality Systems
BS EN 1401-1: Plastic piping systems for
1998
(SN4): non-pressure underground
drainage and sewerage
(PVCu) - Part 1: Specifications
for pipes, fittings and the
system.
BS4660 : 1989 Specification for unplasticized
PVC pipes and fittings of sizes
110mm and 160mm for
below ground drainage.
BS5481 : 1997 (1989) Specification for plasticized
PVC pipes and fittings for gravity sewers.
COMPOSITION
Extruded pipe sections and injection moulded fittings are made from
PVCu and polypropylene
compounds complying with the material
requirements of the relevant British Standards.
They contain the necessary processing additives,
stabilisers and pigments to give products excellent
appearance, durability and performance.
BIOLOGICAL AND CHEMICAL RESISTANCE
Polluted industrial atmospheres will not effect Brett Martin drainage
systems. PVC is vermin and rot proof and resistant to most commonly
occurring chemicals: notable exceptions however are solvents, including
those incorporated in most timber preservatives.
GENERAL RESISTANCES
Expected action
G - Good/Excellent resistance to attack
P - Poor resistance to attack
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SUBSTANCE |
EXPECTED
ACTION |
| Mineral Acids (Diluted) |
G |
| Mineral Acids (Concentrated) |
G |
| Alkalis |
G |
| Alcohol’s |
G |
| Ketones |
P |
| Aromatic Hydrocarbons |
P |
| Chlorinated Hydrocarbons |
P |
| Greases and Oils |
G |
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