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Manhole Shutters

Manhole Shutters are designed to support a nominal concrete surround of 150mm to the outside of standard precast manhole rings. Three modular panels widths (A, B and C) enable a range of diameters to be accommodated up to a maximum internal precast ring diameter of 3.0m. The panels are joined together using a simple pin and wedge assembly system.

  • Available in steel
  • Panel height of 1800mm
  • Three panel widths will configure shuttering for most pre-cast manhole rings
  • Nominal concrete surround of 150mm (see table)
  • Rapid and re-usable. No special tools required
  • Pre-curved steel construction

Specification

Panel Height (mm)

1800 Steel

Panel Reference

A

B

C

Perimeter Length (mm)

1520

600

250

Weight (kg)

60

35

25

The following table details the panel combinations for each manhole ring size along with volume of concrete required to provide a nominal 150mm surround.

Internal
Diameter
of Manhole (m)

1800 Steel

A

B

C

Surround Volume
(m³)

675

2

1

  

0.98

900

2

2

  

1.05

1050

3

  

1

1.24

1200

3

1

1

1.50

1350

3

2

  

1.40

1500

4

  

1

1.61

1800

4

2

  

1.77

2100

5

1

1

2.42

2400

6

1

  

3.38

2700

6

2

1

3.28

3000

7

1

1

3.23

Shoring Equipment

Technical Library

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