A typical challenge for Amsterdam: house boats made energy efficient

Many people living in the typical houseboats on the Amsterdam canals and surrounding waters seem to have an above average interest in sustainable living. A great number of them have turned their homes in super energy-efficient floating houses.

To inspire others living on the water in Amsterdam and share their knowledge and experience, Amsterdam Smart City organised a special evening on the 14th of November, bringing together more than 65 energy experts, experts by experience and people who are involved in renovating houseboats to exchange knowledge, experience and practical tips.

Sustainability as selling point

During this evening we learned that every ship in combination with its berth has specific challenges and solutions. Sustainability and energy efficiency is becoming a selling point for the specialised docks in the North of the Netherlands. (the houseboats return to Amsterdam after the works). The docks allow houseboat owners to do parts of the work themselves and bespoke solutions and technical innovations are common practise. A lesson the on shore building industry can learn from!

Expert tips:
• Airtightness which is a returning topic when renovation traditional homes on shore, is something that is hardly a problem on a steel ship. On the contrary, allowing air flow is much more of a challenge. As this has to be done mechanically anyway, heat recovery is a logical option.

• The large decks double as sun terrace, for day light access and also are the ideal place for PV panels and solar collectors.

• Many house boats, especially sailing ships, use diesel or oil for heating rooms and tap water. A connection to a district heating network is not the first option. So looking for individual all-electric alternatives seems more logical. Also wood pellet boilers are in high demand.

• The depth and flow of the water below the boat define the opportunities to use water-water heat pumps for heating and comfort cooling. Every berth has a different potential.

• In the Netherlands a shore sewer connection for houseboats is compulsory from 2017 onwards. This significantly increases the water quality of the canals.

• The options for finance and support for houseboat owners are limited. The City-zen subsidy is a very interesting option for this target group.

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AMS Institute, Re-inventing the city (urban innovation) at AMS Institute, posted Apr 16th

Do you want to learn from and network with the best researchers and scientists working to tackle pressing urban challenges?

AMS Institute, is organizing the AMS Scientific Conference from April 23-25 at the Marineterrein, Amsterdam, to address pressing urban challenges. The event is organized in collaboration with the City of Amsterdam.

The conference brings together leading institutions in urban research and innovation, thought leaders, municipalities, researchers, and practitioners to explore innovative solutions for sustainable development in Amsterdam and other global cities.

Keynotes, research workshops, learning tracks, and special sessions will explore the latest papers in the fields of mobility, circularity, energy transition, climate adaptation, urban food systems, digitization, diversity, inclusion, living labs experimentation, and transdisciplinary research.

Attendees can expect to gain valuable insights into cutting-edge research and engage in meaningful discussions with leading experts in their field. You can see the full program and all available sessions here.

This year's theme is 'Blueprints for messy cities? Navigating the interplay of order and messiness'.

The program

Day 1: The good, the bad, and the ugly
Keynotes by Paul Behrens of Leiden University and Elin Andersdotter Fabre of UN-Habitat will be followed by a city panel including climate activist Hannah Prins. The first day concludes with a dinner at the Koepelkerk in Amsterdam: you're welcome to join our three-course meal with a 50 euro ticket.

Day 2️: Amazing discoveries
Keynotes by Carlo Ratti of MIT and Sacha Stolp of the Municipality of Amsterdam discuss innovation and research in cities. Corinne Vigreux, co-founder of TomTom, and Erik Versnel from Rabobank will participate in the city panel.

Day 3️: We are the city
Keynotes by Paul Chatterton of Leeds University and Victor Neequaye Kotey Deputy Director of the Waste Management Department of the Accra Metropolitan Assembly, Ghana. They discuss how we shape the future of our cities together. This will be followed by a city panel including Ria Braaf-Fränkel of WomenMakeTheCity and prof. dr. Aleid Brouwer of the Rijksuniversiteit Groningen.

To buy tickets: You can secure your conference tickets through our website.
Dinner tickets: On April 23 we’re hosting a dinner at the Koepelkerk in Amsterdam. Tickets for this can be added to your conference pass or bought separately.

Rihards Dzelme, Inclusive Cities & AI / Trained Architect and Urbanist , posted Apr 15th

We hebben uiteenlopende en interessante reacties ontvangen van stedenbouwkundigen, architecten en gemeenten. Als u wilt weten wat andere professionals denken, vul dan deze enquête in met uw e-mailadres en wij delen de inzichten met u.

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Herman van den Bosch, professor in management development , posted Apr 14th

A previous post made it clear that a 15-minute city ideally consists of a 5-minute walking zone, a 15-minute walking zone, also a 5-minute cycling zone and a the 15-minute cycling zone. These three types of neighbourhoods and districts should be developed in conjunction, with employment accessibility also playing an important role.

In the plans for 15-minute cities in many places around the world, these types of zones intertwine, and often it is not even clear which type of zone is meant. In Paris too, I miss clear choices in this regard.

The city of Melbourne aims to give a local lifestyle a dominant place among all residents. Therefore, everyone should live within at most 10 minutes' walking distance to and from all daily amenities. For this reason, it is referred to as a 20-minute city, whereas in most examples of a 15-minute city, such as Paris, it is only about the round trip. The policy in Melbourne has received strong support from the health sector, which highlights the negative effects of traffic and air pollution.

In Vancouver, there is talk of a 5-minute city. The idea is for neighbourhoods to become more distinct parts of the city. Each neighbourhood should have several locally owned shops as well as public facilities such as parks, schools, community centres, childcare and libraries. High on the agenda is the push for greater diversity of residents and housing types. Especially in inner-city neighbourhoods, this is accompanied by high densities and high-rise buildings. Confronting this idea with reality yields a pattern of about 120 such geographical units (see map above).

Many other cities picked up the idea of the 15-minute city. Among them: Barcelona, London, Milan, Ottawa, Detroit and Portland. The organisation of world cities C40 (now consisting of 96 cities) elevated the idea to the main policy goal in the post-Covid period.

All these cities advocate a reversal of mainstream urbanisation policies. In recent decades, many billions have been invested in building roads with the aim of improving accessibility. This means increasing the distance you can travel in a given time. As a result, facilities were scaled up and concentrated in increasingly distant places. This in turn led to increased congestion that negated improvements in accessibility. The response was further expansion of the road network. This phenomenon is known as the 'mobility trap' or the Marchetti constant.

Instead of increasing accessibility, the 15-minute city aims to expand the number of urban functions you can access within a certain amount of time. This includes employment opportunities. The possibility of working from home has reduced the relevance of the distance between home and workplace. In contrast, the importance of a pleasant living environment has increased. A modified version of the 15-minute city, the 'walkable city' then throws high hopes. That, among other things, is the subject of my next post.