Notice: This blog piece was created prior to the formation of the British Precast Drainage Association.

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This Issue: Proprietary Sustainable Drainage Systems and Components

Welcome to the Spring 2013 edition of Pipelines. As we head towards a new National SuDS Standard – anticipated in April 2014 – sustainable water management is now a major consideration in construction and the design and operation of surface water drainage systems (SuDS) continues to gather momentum. CPSA members have been actively involved in the development of proprietary SuDS components and systems and CPSA has compiled useful new information and guidance. Innovation has never been stronger at CPSA and two excellent examples include circular precast base manhole systems and the award winning concrete pipe lifter. See below for important updates.

The CPSA website is continually adding helpful new material including free downloadable pdf documents on a range of topics. Recent additions include Factsheets on structural design and classification of pipes; joint integrity; a case study relating to liability when things go wrong and a case study on product design optimisation for a storm water storage and attenuation scheme. And don’t forget to keep your professional development up to date by registering for one of our free CPD seminars.

Stuart Crisp, Business Development Director, CPSA

Proprietary Sustainable Drainage Systems and Components


Sustainable drainage systems usually consist of a combination of natural and proprietary systems. Natural systems require space and can provide amenity value. Although some proprietary systems can provide amenity, they are often installed underground which enables the surface to be used for other purposes.

They are also particularly suitable for retrofit purposes.CPSA members offer a wide variety of proprietary SuDS components and systems suitable for use within a sustainable drainage system.

A new section has been added to the CPSA website and to the Technical Design Guide incorporating the latest information on SuDS components and systems. A helpful lookup table is included to help customers select an appropriate solution based on the function of the element within the Water Management Train, i.e. Collect, Treat, Re-Use, Infiltrate, Attenuate, Convey. For further details click here

Manholes Update


Demand has been brisk since the launch of CPSA member’s range of modular off-site circular precast base manhole systems. It’s hardly surprising as clients, designers and installers begin to recognise the site safety, installed cost and time efficiency benefits. Further advantages of up to 40+% reduced embodied carbon compared with traditional manhole construction and an improved, watertight joint design means that the old problem of extra energy consumed during pumping and water treatment due to infiltration can be eliminated.

Many of the water utilities and private developers have issued information bulletins to their staff and supply chain partners encouraging the use of these new systems, but despite an apparent universal acceptance of the many benefits that these manholes provide, awareness is not as strong as it could be and it is still important to spread the word.

If you have already experienced the many advantages of circular precast base manhole systems, please “spread the word. If you are yet to become part of the brigade of new circular precast manhole designers/installers/users and don’t want to be left behind, click here for more information.

Concrete Pipe Lifter Update


In the last issue of Pipelines, we mentioned the numerous industry awards won by the Concrete Pipe Lifter including the Water Industry Achievement Award for Safety, inclusion in the Construction Products Association’s prestigious Innovation and Achievement publication and finalist in the Highways Magazine Excellence Awards.

Of course, awards and public recognition is nice, but the really important thing is for the innovation to bring real, tangible benefits. The ever-increasing demand for the Concrete Pipe Lifter clearly demonstrates that the improved safety, time and cost savings achievable during the offloading, handling and installation of concrete pipes speak for themselves.

The Pipe Lifter is suitable for concrete pipes up to DN1200. Customers are keen to get their hands on the Type 2 Lifter – which is designed for larger pipes – and extend the advantages of safer, easier, faster and cheaper concrete pipe handling and installation. The Type 2 Lifter is still in development. To find out what people are saying about the Concrete Pipe Lifter and for news on Type 2 lifter availability, visit
www.concretepipelifter.co.uk

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