In the guidelines for the implementation of the course work, the issues of the organization of the initial timber rafting on temporarily navigable rivers by two types of transport units are considered : in bundles and micro bundles , recommendations on hydrological substantiation of the possibility of conducting a forest raft, The method of calculation of the guaranteed water-removal marks of the dam , is given. dimensions of the rafts and the amount of rigging required to form them, provided the necessary reference tabular and graphic materials for the calculations, requirements for the design of course work are presented