CityChlor International

Congress on an area-oriented sub-surface approach

AN EDITION OF:

December 6, 2012 Jaarbeurs, Utrecht

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Bio-washing machine What did we learn?

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Technical session

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Opening Chair for the day: Henk van den Berg Department Head, Environmental Policy Implementation, Municipality of Utrecht

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Albert de Vries Sub-surface Projectleider adviser, microbiologische Departmenteffecten of Environment in de ondergrond and Mobility, Bioclear Municipality of Utrecht

Working Biologische withcapaciteit a conceptual ondergrond Site Model

“It’s a cyclical approach, for which the CSM will now provide the input to enable a scaling up, leading to an Utrecht Area Plan next year.”

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“The Bio-washing machine is a large-scale areaoriented approach, whereby sustainable urban development, sub-surface thermal energy, and higher quality ground water can all be achieved at the same time.�

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Goedele Verreydt Land and Water Management VITO (Flemish Institute for Technological Research)

Flux measurements, monitoring the future

“Flux is the total mass per time unit per unit of surface area.�

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“Measuring flux is useful in order to gain insight into subsequent exploitation of resources over the longer term.�

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Shakti Lieten Project leader, sub-surface microbiological effects Bioclear

Sub-surface biological capacity

“An important consideration is to ascertain the rate of degradation of volatile organic chlorinated compounds.�

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We have carried out tests on degradation

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Johan Valstar Senior geo-hydrologist specializing in modeling of ground water systems related to area-oriented approaches, Deltares

Flow calculations and the Utrecht sub-surface model

Modeling of clay soils

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“In Utrecht, GEOTOP will be updated with more than 90 test bores.”

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Sara Picone Deltares, specializing in the modeling of evaporation effects associated with ground water pollution

Modeling evaporation risks with the STOMP risk model

“A layer of clean ground water results in a reduction in the evaporation of fluxes equal to several orders of magnitude.�

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Ferry van der Bilt

“I think it is It is even po recover all th the land-use p implementati

Utrecht Municipal Attorney

Assumption: An area-oriented approach is not possible.

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possible. ossible to he costs in plan and the ion plan.”

“Not true. If you base it on a well-founded conceptual model it is definitely possible.

It isn’t easy, but with the right expertise, an area-oriented approach is inescapable.”

Hans Slenders Senior adviser, Arcadis

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Legal session

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Opening Chair for the day: Henk van Zoelen task manager, AgentschapNL Bodem+

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Marcel Herms Senior legal associate in the Department of Environment and Mobility, Municipality of Utrecht

CityChlor and Utrecht’s “Bio-washing machine”

“With the bio-washing machine, we will combine sustainable energy with soil decontamination and we’ll facilitate urban development by eliminating legal impediments.”

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The Biowashing machine

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Peter Kiela Ministry of Infrastructure and Environment, Office of Water and Soil, Department of Soil and Drinking Water

The future of soil legislation

“I’m very pleased to inform you that we are allowed to administer areaoriented approaches.

The proposed law has been adopted!”

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“There are no criteria for defining area borders.

They are determined on a case-by-case basis.�

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Sindy Haemels Deputy to the chief attorney at OVAM (Openbare Afvalstoffenmaatschappij voor het Vlaams Gewest / Public Waste Agency of Flanders), specialized in soil and government contracts

Flemish experience with the area-oriented sub-surface approach

“In Flanders, OVAM requires a soil certificate with every transfer. That ensures that the buyer is informed about the soil quality.�

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Flemish experience

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Peter Kiela Renée Fennis Attorney, Dagvoorzitter: administrative Henk van law Zoelen (Real taakmanager Estate), van Boekel AgentschapNL De NeréeBodem+

Area-oriented and environmental law principles De toekomstapproach van de bodemwetgeving

“The polluter is liable for the pollution resulting from his activities.”

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“Limit and prevent damaging environmental consequences at the source.�

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Who is liable for the pollution?

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Gerrit Kremers Senior adviser environmental law (specializing in soil protection law), Touw B.V.

Legislative flexibility with an area-oriented approach

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Colophon Organizers AgentschapNL/Bodem+ Municipality of Utrecht Chair for the day: Henk van Zoelen, Task manager AgentschapNL/Bodem+ Marcel Herms, Senior legal associate, Department of Environment and Mobility, Municipality of Utrecht Peter Kiela, Ministry of Infrastructure and Environment, Office of Water and Soil, Department of Soil and Drinking Water Sindy Haemels, Deputy to the chief attorney at OVAM, specialized in soil and government contracts Renée Fennis, Attorney, administrative law (Real Estate), van Boekel De Nerée Gerrit Kremers, Senior adviser environmental law (specializing in soil protection law), Touw B.V.

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Henk van de Berg, Department Head, Environmental Policy Implementation, Municipality of Utrecht Albert de Vries, Sub-surface adviser, Department of Enironment and Mobility, Municipality of Utrecht Goedele Verreydt, Land and Water Management VITO (Flemish Insitutue for Technological Research) Shakti Lieten, Project leader, sub-surface microbiological effects – Bioclear Johan Valstar, Senior geo-hydrologist specializing in modeling of ground water systems related to areaoriented approaches, Deltares Sara Picone, Deltares, specializing in the modeling of evaporation effects associated with ground water pollution

Cre-Aid Diederik Vrijhoef – Team captain Marijke Timmerman – Illustrator Karin Timmerman – Illustrator Marleen Kuipers – Photographer Sam Porskamp – Copywriter Michael Kluver – Magazine Designer Cre-Aid | Visual Minutes diederik.virjhoef@cre-aid.nl Tel: 06 300 77 675 www.cre-aid.nl

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AN EDITION OF:

06-12-2012

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