This work presents an introduction to LCA as a method for analysis of design variants for better decision-making process in infrastructural projects. Law and formal issues were analysed as a start point for this work. Current Polish law acts were compiled together with the aims pointed out by the European Commission in terms of Sustainable Public Procurement Policy. https://www.itsmajorlook.com/top-deal-Dallas-Cowboys-logo-Fan-Decals-3-75-x-5-p32366-top-mega/