Ducting Systems Introduction

Question 1

What colour duct is used for water service?

Answer 1

blue

Question 2

Coiled twinwall duct comes complete with what?

Answer 2

Drawstring & 1 coupler

Question 3

What diameters is General Purpose duct available in?

Answer 3

2”, 3”, 4”, 6” & 8”

Question 4

What colour duct is used for BT applications?

Answer 4

Grey

Question 5

What are the outside diameters of the duct available for BT applications?

Answer 5

54mm & 96.5mm

Question 6

Does all twinwall duct comply with ENATS 12/24 ?

Answer 6

No

Question 7

Which twinwall products comply with ENATS 12/24

Answer 7

Polypipe Ridgiduct & Naylor Class 2 twinwall duct

Question 8

What colour duct is used for gas service?

Answer 8

Yellow

Question 9

What diameters of duct are available in coils (outside dia)

Answer 9

40, 50, 63, 90, 110, 160mm

Question 10

Perforated yellow coils of duct are available in what outside diameters?

Answer 10

60mm, 80mm, 100mm, 160mm

Question 11

What is the purpose of split duct?

Answer 11

Repairing already installed damaged duct or for ducting existing cables

Question 12

What colour ducting would you use for Motorway communications?

Answer 12

Purple

Question 13

Who manufactures twinwall ducting?

Answer 13

Naylors & Polypipe Civils

Question 14

Who manufactures Pvc Power ducting?

Answer 14

Emtelle

Question 15

If asked to supply Class 1 power ducting what material is it made from?

Answer 15

uPVC

Question 16

Can General purpose duct be installed under roads?

Answer 16

No

Question 17

Polypipe Ridgiduct is available in what diameters (inside diameter) ?

Answer 17

100mm, 125mm, 150mm

Question 18

(Generally ) The twinwall duct in stock is made to what standard?

Answer 18

BSEN50086-2-4

Question 19

What material is twinwall duct made from?

Answer 19

HDPE

Question 20

What is HDPE and abbreviation of?

Answer 20

High density polyethelene

Question 21

What is UPVC an abbreviation of?

Answer 21

unplasticised polyvinyl chloride

Question 22

63mm & 110mm coiled duct comes in what length coil?

Answer 22

50mtr

Question 23

160mm coiled duct comes in what length coils?

Answer 23

25mtr & 50mtr

Question 24

What is the inside diameter of 110mm twinwall duct?

Answer 24

94mm

Question 25

Twinwall duct comes in coils & lengths - how long are the lengths?

Answer 25

6mtr

Question 26

What is the inside diameter of 63mm twinwall duct?

Answer 26

50mm

Question 27

Perforated yellow coils of duct are manufactured to what standard?

Answer 27

BS4962

Question 28

What length is a roll of detectable marker tape ?

Answer 28

100mtr

Question 29

What length is a roll of normal (nondetectable) marker tape?

Answer 29

365mtr