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Halcrow Group Limited


Halcrow has extensive international experience of the resolution of all forms of geo-environmental constraint. We integrate civil and infrastructure expertise with specialist geo-environmental skills, bringing enhanced value to every stage of a project. Halcrow's environmental staff have developed a corporate approach to environmental management and provides professional support to project managers both internally throughout Halcrow and externally to ensure that projects are delivered with a high level of environmental awareness in accordance with our environmental policy. We recognise that construction activities can impact the environment and we are focussed on understanding and managing this in order to improve our environmental performance. Our approach has earned us ISO14001:2004 certification for our environmental management system and covers all of our engineering activities at all of our UK office locations. We have also achieved registration under the European Union's Eco Management and Audit Scheme (EMAS), which formally recognises our environmental commitment and accountability. We are committed to being held publicly accountable for our environmental performance and publish an annual, externally verified, corporate environmental statement. We work collaboratively with our clients, other members of project teams and external stakeholders to deliver geo-environmental objectives which are: innovative and practical optimised and economical environmentally sustainable These objectives are achieved through the knowledge and worldwide experience of over 250 geo-environmental engineers and scientists assisted by state-of-the-art systems and techniques. Our staff are based at diverse locations, ensuring that they can offer world-wide experience with the benefit of local knowledge. Fundamentally, our approach is based on sound geo-environmental risk and value management. Potential changes and uncertainty in ground conditions is a major source of cost and programme risk for all civil and structural engineering projects, and the effective management of these risks requires the timely application of expert geo-environmental skills from project inception through planning stages to design, delivery and maintenance.


Stephen Box
Lyndon House 62 Hagley Road


B16 8PE

ISIS by Halcrow ...it's just got 2D!

Halcrow has released ISIS 2D.

It is a fully hydrodynamic computational engine designed to work either standalone or within the ISIS suite of products enabling dynamic interaction between ISIS Professional (1D) and ISIS 2D.

ISIS Professional is one of the leading software packages for 1D river modelling. It is used extensively throughout the world on flood forecasting, flood alleviation scheme designs, flood risk mapping, flood risk assessments and catchment management planning projects.

ISIS 2D has been developed to complement the capabilities of WBM's 2D modelling software, TUFLOW, allowing you to purchase both ISIS 2D and TUFLOW from Halcrow. It provides a licensing and pricing structure that allows you to purchase only what you need and provides the opportunity to network licences.

At the core of ISIS 2D there are two integrated numerical solvers - Alternating Direction Implicit (ADI) and Total Variation Diminishing (TVD). These have been specifically developed to tackle different types of hydraulic conditions within rivers, estuaries and floodplains.

ISIS 2D is currently available at an introductory price of £2,950 (ex. VAT) with the network licence manager and TVD solver available for an additional cost of £950 each.

Alternatively, ISIS Free can be downloaded from our website (www.halcrow.com/isis) which has all of the same features as ISIS Professional and ISIS 2D but is limited to 250 1D nodes, 2,500 2D cells and a 10MB restriction on ISIS Mapper input files.

For more information, please visit our website at www.halcrow.com/isis or contact Vijay Jain, ISIS sales and marketing manager at jainv@halcrow.com on 0845 094 7990.

For further information please email Halcrow Group Limited

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