Manhole Covers: Types & Sizes

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Manhole Covers Types Sizes
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Introduction

• Manhole cover is a removable plate forming the
  lid over the opening of a manhole.
• It is also called maintenance hole cover.
• It is designed to prevent anyone or anything from
  falling in, and to keep out unauthorized persons
  and material.
• Manhole covers are often made out of cast iron,
  concrete or a combination of the two.

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Types of Manhole Covers

• As per BS EN 1242015, three main types of
  Manhole Covers
• Ductile Iron Manhole Cover
• Solid Top Manhole Cover
• Recessed or Screed Manhole Cover

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Ductile Iron Manhole Cover

• The most common type of Manhole Cover
• Solid Reliable
• Highly Brittle in Nature
• Compared to cast iron cover, ductile iron cover
  is much stronger

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Solid Top Manhole Cover

• This is a galvanized steel Manhole Cover
• Light in Weight
• These covers has a fitting flush at a ground
  level has inset grab handles.
• Employed for lighter use

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Recessed or Screed Manhole Cover

• Special Manhole Covers for decorative finish
• Provision to lay paving block or screed
• Mainly used in driveways or to hide manhole

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