Cover and frame installation (Telephone chamber)

A manhole cover or maintenance hole cover/Inlet cover, telephone chamber cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe.
Telephone Chamber (Etisalat)
Frame
Cover
Waterproofing
Shuttering
Concrete work
See video for detail,
Give your suggestions in comments

[@JP-sf5ti]

Thank you Sir

[@florageneralmaintenancecon7255]

Non lockable Frame & covers

[@Dan.space24]

How much concrete needed to Install frame in one chamber ?

[@shahidkiani9170]

Dear it's different for each chamber. Depth of concrete 15cm to 25cm,, width of wall 20 cm to 25 cm..... As per design