Development Of Design Documentation In The Scope Of: Part 1: Retrofitting Of Sections 17, 34 And 35 At The Przasnysz Station, Connection Conditions 25-G0/Wp/00262, 25-G0/Wp/00063 And 25-G0/Wp/00064. Adaptation Of P. 18 (15Kv Urania Line) And No. 31 (15Kv Przasnysz Węgierka Line) In The Przasnysz Station, Conditions 24-G0/Wp/00883, 24-G0/Wp/00537, 25-G0/Wp/00065. Part 2: Adjustments To P. 15 At The Różan Station, Conditions 25-G0/Wp/00668.