Cast Iron

Manhole Covers

Published by Admin on September 4, 2022

Recessed Covers Information for Drains with BIC

Recessed Drain Covers

Cast Iron

In some surfaced areas, sunken drain covers or recessed tray covers are used to conceal the presence of inspection chambers, manholes, and access fittings.

As per BIC, Recessed drain covers are essential when it comes to the field of artistic, natural, or colored stone paving, especially as compared to the utilitarian covers typically used in modern construction, find out the brief from us here.

They consist of two parts: the tray that sits inside the frame that is installed above the manhole. To blend in with the surroundings, this is covered in paving.

There are different sizes available, usually on order, but 450x600x90mm is the standard size used on patios and domestic driveways. To manageable maintain the bulk of the paved tray, the larger covers typically use two or more separate trays inside one frame.

In general, the ones used in commercial projects or public spaces are made of a galvanized steel frame and a galvanized steel tray. The plastic frame can be used for those with light use, such as driveways in homes. Due to the increased usage of plastic trays for footways and driveways.

For foot traffic, only grade “A” covers are necessary. For driveways, however, an “AA” cover and a safe operating load of at least 1.5 tons are needed. When parking vans or large 4x4s in driveways, think about utilizing class B cover. In public spaces, heavier applications must have Class B, C, or D coverings.

Many of the sunken manhole covers and recessed covers for drains used in residential areas today are constructed of plastic, as has been noticed. This has various benefits, such as lighter weight and lower manufacturing costs. Additionally, there are now fewer reports of jammed trays. On the other hand, the existence of trays and frames that are prone to deformation irks certain contractors. This in turn has an impact on the installation’s final aesthetic appeal, with a Ductile Iron Manhole Cover.

The development of “Square to Round” recess tray covers has been made possible by the transition to plastic frames. These are designed to fit over a circular or round Access Chamber (AC) or Inspection Chamber and give a rectangular or square cover (IC).

Access covers and manholes are intended to blend in with the paving’s design by using recessed tray covers or recessed drain covers. They are hardly noticeable when professionally and correctly fitted. However, if they get into the wrong hands, they can be turned into harmful weapons.

After the final fastening, it is advised to generously coat the internal sides of the frame and the tray’s outer borders with a thick, non-setting lubricant, such as petroleum jelly, to prevent jamming. By doing this, the sand particles are kept out of the space between the tray and frame. Additionally, the jelly makes it simpler to remove the tray.

So, get your drain cover fitted with our best manufacturing firm and keep safe your life along with others.



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  • what is a recessed drain
  • which material is used for the covering of drain

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