The Ministry of Finance has explained in what way to carry out state procurement of works on preparation of the project documentation

The electronic auction or different way of purchase under the Federal law "About Contract System in the Sphere of Purchases of Goods, Works, Services for Ensuring the State and Municipal Needs" from 4/5/2013 No. 44-FZ will be suitable for such purchases.
Architectural and construction design contains in several OKPD 2 codes, including in codes 42, 71 of classes, a subclass 41.1. The way of purchase therefore the explanation of department was required depends on a code.
Document: The letter of the Ministry of Finance of the Russian Federation from 6/9/2017 N 24-03-08/36404