0.02 0.03 0.04 0.05 0.1 0.2 0.3 0.4 0.5 1.0 4

PIPE GRADE (%)

0.010.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

10

100

DIS

CHAR

GE

(Litr

es p

er s

econ

d)

0.06 0.6 0.7 0.8 0.9

DRAINAGE COEFFICIENT

50m

200mm NEXUS

160mm NEXUS

200mm NOVAFLO

160mm NOVAFLO

110mm NEXUS

110mm NOVAFLO

65mm NEXUS

65mm NOVAFLO

0.07 0.08 0.09

2

3

4

5

6

7

8

9

20

30

40

50

60

70

80

90

2 3

V = 0.5m/sec

V = 0.2m/sec

V = 1.0m/sec

AREA DRAINED (Ha)

DRAINAGE COEFFICIENT

5mm 10mm 15mm 25.4mm 40mm 50mm

70

60

50

40

35

30

25

15

20

108

6

4

2

30

20

15

10

8

6

4

2

1

1

2

4

6

8

10

15

1

2

4

6

8

10

1

2

4

6

1

2

4

6208

NEXUS ™ & NOVAFLO ™

SUBSOIL DRAINAGE PIPE FLOW CHART

NEXUS &NOVAFLO SUBSOILDRAINAGE PIPEFLOW CHART

™

™

Iplex Pipelines NZ Limted.

Call Centre - Phone: 0800 800 262 Fax: 0800 800 804Web site - www.iplex.co.nz

Offices At:

Auckland: PO Box 13772 Onehunga, Level 1, 64 Cook St, Auckland Central.Palmerston North: Private Bag 11019, 67 Malden Street.Christchurch: PO Box 16225, 22 Braeburn Drive, Sockburn.

© 2018 IPLEX PIPELINES (NZ) LIMITED. NEXUS™, IPLEX™, NOVAFLO™,

NOVATHENE™, FARMTUFF™, REDLINE™ are registered trademarks of IPLEX PIPELINES (NZ) LIMITED. The information contained in this brochure is intended to be of a general nature and should be used as a guide only. Before relying on any of the information in this brochure, you should first refer to the appropriate codes and standards and consult Iplex Pipelines and/or your local authorities. Version 2This version supersedes all previous versions or editions of this flow chart.

Iplex Pipelines NZ Limited

Rural Product Range

GREENLINE

REDLINE™

BLUELINE & POLIPLEX™

BLACKLINE

RURAL BLACK

PLASSON®

ALKATHENE™

NOVATUBE

NEXUS™

NOVAFLO™

EFFLUENT PIPE

FARMTUFF™

NEXUS™CULVERT