114 BEKA SCHRÉDER Product Catalogue

DESIGN & CONSTRUCTION DETAILS

MATERIAL

The pole is constructed by the filament winding process

to achieve optimum results for strength and rigidity.

The filament winding process is continuously applied

with uniform tension onto a rotating mandrel, resulting

in a minimum mass glass to resin ratio of 70:30. The

surface is seamless, smooth and tapered.

FINISHING COAT

The material of the finishing coat is a gel coat that

complies to SANS 1749 and is applied to a uniform

thickness of between 250 and 500 microns, providing a

weatherproof, UV-resistant, flame-resistant and impact-

strong surface in the colour specified.

MECHANICAL PROPERTIES

A standard pole supporting a luminaire with a wind

surface of 0.20m2 may not have a pole top deflection of

more than 5% of its height above ground when subjected

to a basic wind pressure of 500 Pa. A safety factor of 2.5

times the total maximum windload is applicable.

QUALITY SYSTEM

The pole is manufactured in accordance with SANS 1749

under the ISO 9002 quality system.

ACCESS OPENING

If an access opening is required, the cut-out is covered

by an access door cover manufactured from glass filled

nylon impregnated in the same colour as that of the

surface coat. It is secured to the pole by two stainless

steel Allen head captive screws into M4 brass inserts

embedded in the pole.

CABLE ENTRY

A cable entry with a minimum diameter of 34mm is

provided at a minimum depth of 400mm below the

ground surface.

GLANDPLATE

A hot dipped galvanised glandplate, suitable for gland

no. 0 or 1, complete with terminal block and DIN rail for

a miniature circuitbreaker, is provided and is mounted to

a bolt provided in the access opening.

BASE PLATE

Poles for direct embedment in the ground can be

provided with a 300x300x1.6mm hot dipped galvanised

base plate complete with 2 x hot dipped galvanised steel

hookbolts and nuts. Base-mounted poles have a hot

dipped galvanised flange plate that can be bolted to a

foundation which is designed to withstand the forces the

pole will experience in service.