The most modern winter sports centre in Europe

The pitch with a running track, which is part of the Lower Silesian Centre Polana Jakuszycka, primarily serves the function of training for athletes and recreation for guests of the resort #NaPolana. The dimensions of the pitch and the running track allow competitions for primary school pupils. Appropriate functions required by FIS and IBU regulations for all cross-country and biathlon competitions have been located first.
The stadium, running track and field were built in accordance with the stipulations of the local and state administrations regarding the location near the Krkonoše National Park. We used state-of-the-art materials with low environmental impact for the construction of the stadium.

Running track description The DCS facility on the Jakuszycka Glade is implemented as a winter sports centre. Running on a 25- or 50-metre treadmill does not count as a winter sport. Appropriate functions required by FIS and IBU regulations for all cross-country and biathlon competitions have been located first. The other sports and recreational functions are auxiliary, training or leisure functions.

The car park in the basement of the Lower Silesian Sports Centre on Jakuszycka Glade has 200 parking spaces. The capacity has been calculated in proportion to the accommodation of the facility and adjusted to the potential number of cars in the event of international sports competitions. The car parks of the Piast Race Association, with a capacity of 800, are located nearby. The best way to reach the DCS Polana Jakuszycka from Wrocław is by train on the Lower Silesian Railway. Polana Jakuszycka is the highest located railway station in Poland. It is located at 886 metres above sea level.

Heating/cooling
The main source of heat for the building are three heat pumps with a total capacity of 633kW and a COP of 4.7 (coefficient expressing the ratio of the amount of heat supplied to the amount of electricity consumed by the pump). The heat pumps are supplied by a bottom source, which consists of three independent circuits of 38 boreholes and a depth of approximately 100m each. The heat pump system is supported by an oil-fired boiler, which provides a backup and peak source.

During the summer, the heat pumps have the option of operating in active cooling and domestic hot water production functions. It is also possible to operate the pump system in a passive cooling function. This enables the building to be cooled almost cost-free.

The heat source covers the demand for central heating, process heat (for ventilation and swimming pool technology) and domestic hot water.

In the warm season, the heat pumps both heat the domestic hot water and are also used to cool the building.


Ventilation
All rooms have been equipped with mechanical or gravity ventilation.

Separate ventilation systems with heat recovery were used for all important functions. High-efficiency heat exchangers enable heat recovery from the exhaust air with an efficiency of more than 80%.

For kitchen systems, glycol heat exchangers were used with additional high-efficiency air filtration in the canopies, which makes it possible to recover more than 200kW of heat from the kitchen hoods.

The units are equipped with automation allowing maximum optimisation of energy consumption depending on the demand for air volume in the building, the required air parameters and the atmospheric conditions outside.

An air volume control system, equipped with VAV variable flow controllers, was used on some ventilation systems. This makes it possible to optimise the amount of supply and extract air to parts of the rooms with variable demand. At the same time, this reduces both electricity and heat consumption in the building.