Cast iron manhole covers have many designs, one of them is a recessed cast iron manhole cover. This cast iron manhole cover has a different cover design from the manhole covers in general. Generally, manhole covers have a flat design on the outside and hollow on the inside. While the recessed manhole covers have a hollow design on the outside and flat on the inside.
Specification of Recessed Cast Iron Manhole Cover
1. Unique Cover Design
The recessed cast iron manhole cover has a unique cover design. The outside has a space that we can fill with concrete to put ceramics, stones, paving, and other material. So that you can adjust the material with the material used in the area where the manhole cover installed.
2. Equipped with keyhole
To open the manhole cover you need the hook sticks which you will enter into the keyhole. Then you can easily lift the manhole cover using the hook sticks.
3. Design without hinges
A recessed manhole cover is usually designed without hinges. This is because the recessed manhole cover uses that is fitted with ceramic or stone make it heavier. If using a hinge, will most likely be broken due to heavy loads.
4. Location of use
Locations of the use of recessed manhole covers are in the pedestrian zone, building yard, and other open areas. By using recessed manhole covers people will not realize that there is a manhole cover in there.
How to Install Recessed Manhole Cover
1. Create a concrete foundation and installing the frame
Like install manhole covers in general, the first thing to do is make a foundation for the frame part. You can make the foundation from concrete material (a mixture of cement, sand, and water). After the foundation ready, you can put the frame part on the foundation.
2. Install the cover on the frame
If the frame has been installed perfectly, you can put the cover part on the frame.
3. Concrete coating on the cover part
The cover part that you have installed properly on the frame, you can then coat with concrete material. Fill the space on the cover part with concrete material.
You should not fill the space until full. Leave a space to put the tile or paving.
4. Install the tile or paving
The last one installs the tile or paving on the cover of the recessed manhole cover. You should install the tile flat on the surrounding surface. Because the flat installation of manhole cover can prevent the pedestrian from tripping over the manhole cover.
What projects have used recessed manhole cover?
The projects that use recessed cast iron manhole covers are pedestrian zone and office area. For the aesthetic function or the beauty of the office environment, then this manhole cover type can be an option other than the standard design cast iron manhole cover.
The projects that already use recessed manhole cover from Infiniferro are:
This project is a new Australia Embassy building project in Jakarta. This project using drainage components in the form of recessed cast iron manhole covers. The manhole cover consists of two designs, they are 900x900x70 mm square manhole cover and 630x630x70 mm square manhole cover.
On the drainage channels in Unilever Indonesia Ltd. also use recessed cast iron manhole cover as its cover. The recessed cast iron manhole covers which they use has a square shape and size 630x630x70 mm.
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Sanjiv Roy says
There are many features of recessed manhole cover that are different from manhole covers. You have mentioned them in very elaborated manner. i came upon a company called Crescent Foundry that has the most modern equipment and facilities when it comes to manufacturing manhole covers., so I would advise you to check them out.
Infiniferro says
Thanks for visiting infiniferro.com and thanks for your information.