[en] Automatic translation: 1. Summary: The work in the third quarter of 1973 was primarily aimed at preparing all the necessary documents for the outstanding decisions on fuel assemblies and intercooling as well as for further energy company discussions. Accordingly, the activities had to be based primarily on engineering Sector for the prototype plant and the economy! Ility and potential study due to the higher urgency of the first-mentioned activities compared to the plan, although the decision of the HHT project management, the prototype system with the 2000 MWth GGA block core and without To plan intercooling, to avert the impending standstill of this work helped. The danger resulting from the extensive expansion of the above-mentioned work Not being able to compensate for the delay any longer, could by means of more targeted punctual tightening of the time planning can be countered. However, no further time reserves can be identified at the moment.