Integrated Frame And Cover System

Published: June 30, 2018 | Last updated: July 5, 2023

What Does Integrated Frame And Cover System Mean?

An integrated frame and cover system (IFC) is a proprietary manhole system that consists of a tapered conical section that sits on top of standard manhole barrel sections, a single monolithic precast adjustment unit, and a telescopic cast iron ring-shaped frame.

The IFC system addresses the shortcomings of traditional grade rings by eliminating horizontal joints, which can eventually deteriorate and lead to water and soil infiltration.

Trenchlesspedia Explains Integrated Frame And Cover System

The IFC system is meant to be used as a replacement for standard manhole chimney sections. The grade adjustment rings, in particular, have been identified as the weakest point of the manhole structure. Freeze and thaw cycles, vehicular impact loading, and soil settlement can degrade and create openings between the rings which can lead to water infiltration and structural damage.

The IFC system uses an adjustment unit with no horizontal joints. In addition, IFC components are slotted into each other and bonded with a high-strength grout to form a monolithic structure which is resistant to water and soil infiltration.

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