Kirstinpuisto the iWater pilot project of Turku, Finland Tero Lehtonen / 3.3.2016

The historical urban structure of Turku 1. The historical urban structure of Turku

topography and the 7 hills of Turku brownfield belt surrounding the city center Market Square C.L. Engel´s grid plan from 1828 River Aura Baltic Sea

The strategic objectives of urban developement 2. The strategic objectives of urban developement

Future growth will be guided inwards: within the city center… …to the urban renewal areas surrounding it… …and towards the sea

Kirstinpuisto as part of the new plans 3. Kirstinpuisto as part of the new plans

LINNAKAUPUNKI (”CASTLETOWN”) PARTIAL MASTER PLAN, 25.2.2012 The Castletown area will be developed to supplement the urban structure of the City. The land use of old, unefficiently used industrial and harbour areas – so-called brownfields - shall be renewed and the efficiency increased. The overall diffuse appearance of the built surroundings will be enhanced and transformed in an urban environment. The medieval Castle and its surroundings will be highlighted as a historical site of international attractivity. The touristic functions of the ferry harbour shall be linked to the activities of the Castletown area. The implementation of the plan is scheduled for approximately 2030 – 2035. Castletown will be developed as a district for pedestrians and cycling. Sustainability shall be adapted in all detail projects on the Castletown area, in all its respects, ecological, economical and social. KIRSTINPUISTO DETAILED PLAN, 2013 onwards One of the first detailed plans to be realized within the Castletown area. Kirstinpuisto will be developed as a district oriented for pedestrians and cycling.

Kirstinpuisto: the planning zone 4. Kirstinpuisto: the planning zone

newer offices and industry vireillä oleva asemakaavan muutos ”Aakenkatu” low density old industry nursing home (2014) unbuilt land newer offices and industry reserve space for light rail, pedestrian main route and green axis low density old industry JAAKKOO-TAARA light weight industry the old city depot SAIPPUA CENTER protected industrial buildings and private real estate developement required connection housing block (ca. 1900)

aproaching the zone from the direction of the city center

Ruissalontie – the main street of the Kirstinpuisto area

old wooden housing block by the Ruissalontie street

Nuutintie and Ruissalontie crossing with the new nursing home in the background

newer office and light industrial buildings along the Ruissalontie street

Nuutintie, näkymä pohjoiseen

wide streets and inefficient land use dominate the Kirstinpuisto area

kaava-alueen länsiraja Kirstinpolku, kaava-alueen länsiraja

Site specific challenges regarding storm waters 5. Site specific challenges regarding storm waters

higher ground higher ground highest point +8,6m Flat and low terrain close to sea level, high level of groundwater Dense clay based soil with limited capacity of absorbing rain water Contamination in the soil due to past industrial activities lowest point +2,7m higher ground

Excess of hard, non-absorbing surfaces and lack of green areas Waters of the railyard area conducted through Kirstinpuisto Threat of water loads from neighbouring zones and the nearby sea Limits of the existing drainage infrastructure Risk of sea water flooding through the drainage pipes Pressure of the Kakola water treatment plant on the installations of the zone

Preliminary studies Cederqvist & Jäntti Arcitects 2013 6. Preliminary studies Cederqvist & Jäntti Arcitects 2013

Thank you!