The Municipality of Mogyoród has received a grant for the project entitled Stormwater drainage of the Mogyoród Pisokmáj settlement part, submitted in the framework of the tender entitled TOP_PLUSZ-1.2.1-21-PT1 – Liveable settlements, announced within the framework of the Territorial and Settlement Development Operational Program Plus. This follows up on a Pre-Project Study (PET), which is the foundational study for the grant application. In the document, we have prepared a presentation of the fulfilment of the objectives set out in the call, the development rationale with the presentation of the frequency and analysis of previous damages. For the peer review of the application, we provided the basic information, which included an analysis of the existing situation, a presentation of the planned interventions, the delimitation of the affected area and compliance with the specific requirements of the call. In addition to the professional justification and soundness, the assumption of horizontal expectations relevant to the project and the implementation of the mitigation of the negative effects caused by climate change were presented.