Zp.271.20.2026 Reconstruction, Expansion And Addition Of The Existing Building Of Primary School No. 1. Henryk Sienkiewicza At Ul. Bartniaka 13A In Grodzisk Mazowiecki - Stage Ii Task Co-Financed By The Fund For The Development Of Physical Culture Of The Investment Task Under The "Sports Poland - Program For The Development Of Local Sports Infrastructure - Edition 2024" As Part Of The Implementation Of The Investment Task "Construction Of A Gymnasium At The Primary School No. 1 At Ul. Bartniaka In Grodzisk Mazowiecki."