Issued together with this Decision were the estimate costs of shifts of working machines and specialized equipment and the capacity norms of dredgers BEAVER 300 Cv, BEAVER 600 Cv, BEAVER 1600 Cv and BEAVER 3800 Cv, which shall serve as basis for setting the capital construction unit costs and elaborating the construction and installation cost estimates of investment and construction projects in the agriculture and rural development branch, and apply as from February 1st, 1999.- (Summary)