Preparation Of A Design For The Selection And Installation Of An Independent Heat Source System With The Necessary Accompanying Devices And Security Measures, Including Fire Protection. To Power The Existing Central Heating Installation In The Building. Outside The Heating Season, Including The Necessary Water And Sewage Installations. And Control For Buildings. X-3 Inventory No. 1049/0180 At Mesko S.A. Branch In Pionki, Ul. Amunicji 4, 26-670 Pionki.