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Stegermatt leisure pool in Offenburg

Location

The new Steger­matt leisure pool is situated in the Offen­burg ‘Bürger­park and has a lot on offer.  It is now a combi­na­tion of an open air and indoor pool complex with a sepa­rate well­ness and sauna area. In the summer of 2017 this new leisure centre complex replaced the sepa­rate indoor and outdoor pools which had been on this property since 1937.  The ‘Bürger­park’ is situated close to Offenburg’s inner city. The Steger­matt leisure pool is in the western part of the expan­sive park area and creates a bridge between city and park. The two storey pool entrance creates a widely visible land­mark for any visi­tors arri­ving through the park. Old trees which have been preserved help blend the pool buil­ding with the natural land­scape of the park. On the south side the leisure complex is bordered with a train­line.

Architecture

The archi­tec­tural design of the Steger­matt leisure pool is divided into three areas: leisure, sport and well­ness. These areas seam­lessly flow into each other along the eastern side of the leisure centre and blend into the park­land. The entrance is found at the Northwest end of the complex with its open spaces and plenty of available parking. The outside of the complex is high­lighted by its impres­sive, canti­lever roof with panels set in oppo­site direc­tions from each other. The indoor pool hall welcomes visi­tors from the road with a canti­le­vered roofed porch, which is mirrored by the pool hall itself. This mirro­ring of the roofs opens up the view to the Black Forest. Visi­tors are welcomed by the trans­pa­rent two storey entrance hall which leads them to the swim­ming pools, the sepa­rate and well shielded sauna area and in the summer months to the open air swim­ming pool.

Swimming area

The swim­ming area of Steger­matt leisure pool is divided into three diffe­rent zones for leisure swim­ming, trai­ning and water based fitness classes.  The leisure zone offers a multi-use pool with a river rapids channel, a children’s area and a rubber ring slide, provi­ding fun for the whole family.  In the trai­ning zone there is a 25‑m pool, a lear­ning pool and a diving pool with two sized diving boards (3m and 5m) with lots of space for ambi­tious water sports enthu­si­asts. The pool for water based fitness classes is found between the leisure and trai­ning swim­ming pools. Trans­pa­rent glass panels offer an un-inter­rupted view of the parallel ongoing acti­vi­ties and offer a balanced view of the swim­ming areas. The pool for water based fitness classes features an adjus­table floor provi­ding varying water depths, giving great flexi­bi­lity to the needs of the classes being held here. Curr­ently the expan­sive program at the Steger­matt leisure centre offers the follo­wing classes; Aqua cycling, Power Cycling, Abdo­minal Trai­ning, Ai Chi and Aqua Surprise.  The swim­ming pools have an eye catching curved wood lami­nate ceiling, which has a smooth wave effect casting the eye towards the land­scape outside, giving the buil­ding a touch of glamour and a gene­rous open air atmo­sphere.

Layout and support

A compact, two storey buil­ding tract supports the swim­ming areas. This is where the chan­ging rooms and sani­tary faci­li­ties for swim­ming and sauna visi­tors are. The offices and staff rooms are found on the first floor along­side student chan­ging rooms. A roof terrace can be found at the roof cross point between the swim­ming pools.  A place where visi­tors can take in the stun­ning views of the Black Forest in a quiet and rela­xing atmo­sphere. The layout of inter­con­nec­ting spaces in the Steger­matt leisure pool outdoor area have been well thought out so that the areas compli­ment each other very well.  Just outside the family swim­ming pool is a paddling pool and play pool. There is a 50m pool a short distance away from the trai­ning swim­ming pool. With its varying water depths (1.35m & 2m) it is not suitable for trai­ning and sports but enhances the outdoor leisure pool by provi­ding a pool for non-swim­mers with a wide wave slide.

Sauna

The sauna area of Steger­matt leisure pool sits in its own wing of the buil­ding in the south part of the leisure complex. This wing gene­rously opens up to the south and west and is bordered by the train­line. The well­ness program includes a steam room, saunas and saline inha­la­tion, a cold water area with expe­ri­ence showers and plunge pool, as well as a sepa­rate quiet zone.  A further high­light of the well­ness zone is an outdoor sauna area with a large sauna garden.  This offers sauna visi­tors a special retreat area set in its own buil­ding and over­loo­king the beau­tiful park land­scape.

Construction & supporting structure

The cellar, ground floor as well as the chan­ging rooms and sauna wing of Steger­matt leisure pool were built using rein­forced compo­site concrete buil­ding tech­ni­ques with steel compo­site supports and rein­forced concrete flat roof panels. As far as possible the roof panels were erected free­stan­ding with economic spans and supported by sheer walls and support beams. The swim­ming pool roof was erected in situ with a steel frame cons­tructed from pre-fabri­cated steel beams and supports. It is held up by supporting steel beams along the glass facade as well as round steel supports in the swim­ming pools. The number of steel supports used is depen­dent on the usage of the indi­vi­dual pool halls. The large pools in the sports­hall require larger areas of support and ther­e­fore there are only three tree like and shaped steel beams posi­tioned in this hall. However, in the leisure pool hall there are signi­fi­cantly more steel support beams giving support over shorter distances allo­wing for a smaller quan­tity of mate­rials being used in the cons­truc­tion of the roof.

 Facades and conclusion

A calm indoor atmo­sphere in harmony with the outside land­scape is created by exten­sive glass façade panels, exposed concrete, wood, steel, discreet tiles and a mini­ma­li­stic colour scheme. The surroun­ding natural land­scape is also the guiding force in the design of the outside areas of the outdoor leisure area; white metal clad­ding, celling parts in white varnished wood, white support beams and a white outside slide with a combi­na­tion of a glass fron­tage and wood cladded facades, which all lead to a restrained and light feel despite the impres­sive volume of levels and design features.

The Steger­matt leisure pool offers an exten­sive program for all possible users, is excep­tio­nally well orga­nised and every small detail has been considered with safety and its useful­ness in mind. The leisure centre sits beau­tifully in its surroun­ding land­scape. To offer more is almost impos­sible.

Project data

Architect

4a Archi­tekten GmbH
Hall­straße 25
D‑70376 Stutt­gart

Team

Ida Ertelt, Sebas­tian Gollmer, Peter Meschen­dörfer, Andreas Ditschuneit (Projekt­lei­tung) Ausschrei­bung und Vergabe: Susanne Burgard, Izabella Hüttig, Patricia Löw, Nadine Mebes, Jan Voll­stedt Baulei­tung: Anil Gülpinar, Stefan Schweizer, Achim Zumpfe (Projekt­lei­tung)

User

Stadt Offen­burg und Tech­ni­sche Betriebe Offen­burg
Kinzig­straße 3
D‑77652 Offen­burg

Opening

2017

Author

4a Archi­tekten GmbH

Address

Frei­zeitbad Steger­matt
Steger­matt­straße 11
D‑77652 Offen­burg

Aerial view

Thank you, Google!

Sauna & Wellness

KLAFS GmbH & Co. KG
Erich-Klafs-Straße 1–3
D‑74523 Schwä­bisch Hall

Photograph

Uwe Ditz

Images of the pool area

Images of the wellness area

Plans

Videos

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