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How to build the Perfect Sealed Manhole CPM Group Ltd
CPM's Redi-Rock modular wall system is an ingenious, space saving solution for the retention of earth, and for a wide range of retaining, force protection, landscaping and flood protection applications. The 'big block' system has the appearance of stone and is versatile enough to achieve height without compromising strength. Each one tonne block interlocks with the next and is dry laid, resulting in extremely fast installation times and cost savings. CPM offers a full design and installation service if required. CPM Group Ltd
The available space to build a driveway to this property was very tight. By using Redi-Rock retaining walls, the contractor was able to build tall gravity walls within the tight parameters without using geogrid and without encroaching on the neighboring property lines. See how Redi-Rock retaining walls solved this project's issues here! Redi-Rock made this site usuable, despite the narrow access road of the property. CPM Group Ltd
See how this Redi-Rock Cobblestone wall allowed a Washington county to double the width of a roadway but minimize right of way requirements! How did they do it? By choosing the Redi-Rock gravity system which relies on massive blocks instead of costly geogrid. CPM Group Ltd
See why this Redi-Rock gravity wall was a better solution for this failing creek wall than other retaining wall options. The massive size of each retaining wall block allowed the structure to be built without requiring geogrid or tiebacks, which allowed the property owner to replace the failing wall without disturbing the pool. CPM Group Ltd
In very simple terms, the Redi-Rock PC System utilizes a 1540 lb. concrete blocks with a vertical core slot cast through the center, allowing us to wrap a 12 in. wide strip of geogrid through the block. Because the geogrid wraps through the block, there is virtually no way for the geogrid to pull out at the connection. There is also no friction component to the connection; it is weight independent. Put another way, as you move towards the top of the wall where the weight on the connection drops off, you maintain full connection strength with the PC System. The elegance of the PC System is its simplicity. There are only two components: the block and the geogrid strip. There are no fiberglass pins, rods, connectors, or other parts and pieces which can be accidentally left out during construction. One of the benefits of the PC System is unparalleled connection strength at the top of a wall. This is extremely important when designing walls with seismic loads, high live loads, tiered structures, or other applications which require significant connection strength near the top of the wall. CPM Group Ltd
CPM's bespoke sealed manhole system offers a monolithic base unit that requires no concrete surround. It is a watertight system that offers fast and safe installation with perfect hydraulics and comes with a minimum 120 year design life and can save up to 40% in GHG emissions. CPM Group Ltd
CPM's Redi-Rock Positive Connection walling has been used at the £10.5 Million Rhyl Harbour development. The Redi-Rock modular reinforced walling is used in conjunction with a geogrid or positive connection that has been rigorous tested and is used when either an increased load or height is required. CPM's Redi-Rock modular reinforced walling can improve the overall aesthetic look with a variety of standard face textures and colour options, and delivers an attractive, cost effective, high performance retaining wall structure and due to the massive size of each block, using them reduces time and money spent on installation. The Redi-Rock Positive Connection walling can be seen here at Rhyl during the tidal surges that happened in December 2013 when the country was rocked by storms. CPM Group Ltd
CPM's modular Redi-Rock retaining walling offers less disruption to service through quick and economical installation in any weather. With it's proven strength and earth retaining capabilities Redi-Rock modular walling keeps both the train and track safe. CPM Group Ltd
JBA Bentley designed and installed CPM's Redi-Rock modular walling at the Yellow Dam in the Lake District for the downstream spillway. CPM Group Ltd
CPM offer a Redi-Rock hostile vehicle mitigation system that is a fast, effective, re-usable solution to perimeter hostile vehicle attack. Tested to PAS 68:2007 by the Transport Research Laboratory - this video shows part of the test being carried out. CPM Group Ltd
Fit a Pipe Lifter to your excavator and you can lay concrete pipes in around half the time with less cost and less hassle – but with greater safety.
The CPM Group has supplied the UK’s largest circular precast weir wall chamber to the prestigious Erith Park development, as part of the £60m phase 2 programme of drainage and enabling works.
Marshalls CPM has introduced a Perfect Seal that is a cost and time saving solution for fitting lateral (or branch) pipes into larger concrete pipes, manholes, junctions, catchpits or other concrete structures.