The International Association of Dredging Companies (IADC) is the global umbrella organisation for contractors in the private dredging industry: an industry that makes the world a safer, better and more sustainable place to live. IADC is driven to help that industry move forward with a variety of activities and publications, all of which can be found on this website.

News

Postponed − Conference Financing Sustainable Marine and Freshwater Infrastructure

IADC conference ‘Financing Sustainable Marine and Freshwater Infrastructure’ postponed.

17 January

Out now: Terra et Aqua #165

The winter issue includes the winners of IADC’s Safety Awards 2021, as well as articles on the responsible project: a view on social licence, the valuation of externalities in maritime infrastructure projects and the impact and costs of Building with Nature projects.

21 December

Conference: Financing Sustainable Marine and Freshwater Infrastructure

IADC conference ‘Financing Sustainable Marine and Freshwater Infrastructure’ held on Thursday 17 March 2022 in Dubai, UAE.

14 December

More news

CORPORATE VIDEO

Watch IADC's corporate video.

Seminars & Courses

To optimise the chances of the successful completion of a project, contracting parties should, from the start, fully understand the requirements of a dredging project. IADC’s seminar strives to provide an understanding of the basics of dredging through lectures and workshops which are given by industry experts in a classroom setting for a hands-on experience.

Publications

Dredging in Figures 2020

Dredging in Figures is an annual review of the global dredging market.

DOWNLOAD PDF Document | 2,5 MB

Annual Report 2020

In this “Annual Report” the Board gives an overview of the state of affairs of IADC and its activities in 2020. The report highlights various projects that the Association has undertaken for the year.

DOWNLOAD PDF Document | 8,34 MB

MEMBERS

IADC has over a hundred main and associated members.

Latest issue

Terra et Aqua is a quarterly publication which aims to disseminate knowledge accrued by global dredging professionals as well as solutions to issues facing the industry. Issues of Terra et Aqua feature articles covering dredging projects as well as the topics of safety, socio-economics, technical innovations and the environment.

 

165
Published December 2021
Editorial (Winter 2021)

Frank Verhoeven, President of IADC, shares his thoughts on todays’ issues related to the dredging industry and introduces the articles in this issue of Terra et Aqua.

The responsible project: A view on social licence

In today’s world, expectations for sustainable practices are fast becoming the norm. Countries, the public and communities are requesting transparency, the application of higher environmental standards and involvement in decision-making processes when new developments in a marine environment are proposed. Marine infrastructure projects not only require environmental permits and works licences to be in place, they also need a Social Licence to Operate (SLO). This article describes the social licence in this fast-changing context of information and technology, and explores tools that can be used to develop a ‘responsible project’ and provide a successful and sustainable outcome for society and the environment.

The valuation of externalities in maritime infrastructure projects

Climate change and increasing environmental damage are demonstrating the urgency of transformation to a sustainable global economic model. The implementation of the sustainable development concept tends to narrow to integrating environmental, social, and economic concerns in the decision making. In economics, the definition of such concerns is an externality that represents the divergence between social and private costs. This study investigates the available sustainable asset valuation methods that can include the externalities materialised in maritime infrastructure projects and compares them based on economic, social and environmental criteria.

Jan De Nul crew invents innovative bollard step

During marine transfers, it is essential to achieve a maximum level of control. With the bollard step, Jan De Nul has designed a simple solution to enhance safety during transfers of crew and visitors. This innovative idea came from the crew of the multicat DN46 and was picked up during an Operational Control meeting, where an advisory board discusses suggestions that improve the safety and efficiency of the company’s operations. ‘We stimulate all possible innovative ideas within our company’, says Quinten Schaumont, Area QHSSE advisor. ‘At all levels, at all times.’

Keppel Offshore & Marine’s Safety Plus Programme

IADC’s Safety Committee and Board of Directors awarded the very first Safety Award to a supply chain organisation active in the dredging industry to Keppel FELS. The company was praised by the committee for the results of its safety programme and commitment to safety onsite. Anchored in Keppel Offshore & Marine’s Safety Plus Programme and Singapore’s National WSH Vision 2028, Keppel FELS continues to consistently improve and enhance its existing Health, Safety and Environment (HSE) management systems.

The impact and costs of Building with Nature projects

The use of nature and natural processes is an innovative way to increase water safety and create added value through nature development and recreation. This exploratory study provides an initial inventory of the impact and costs of existing Building with Nature projects in the Netherlands. It also includes an analysis of the decision-making process in choosing this type of project and identifies success factors. Building with Nature projects deliver added value but often also involve additional costs compared to traditional reinforcements. These costs give an indication of what we as a society are prepared to pay for the development of nature and recreation as part of hydraulic engineering projects.

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