Between 1871 and 1876 lines from Zhmerynka to Volochysk and from Berdychiv to Shepetivka were added, and between 1890 and 1897, the lines from Zhmerynka to Mohyliv-Podilskyi, Kozyatyn to Uman, Khrystynivka to Shpola and Berdychiv to Zhytomyr; 1897 was also the year when the Fastiv Railways were added to the SWR.
The main offensive effort was to be delivered from the staging areas at Vinograd, Zvenigorodok, and Shpola in the direction of Uman by forces of the 27th, 52nd, 4th Guard all arms, 2nd, 5th Guard and 6th Tank armies (415 tanks and 147 SPAs), supported by the 5th Air Army.