an approach for identifying project work elements and estimating their effort/cost based on detailed work activities, the process of creating a detailed estimate for each work component (labour and materials) and accounting for each varying cost burden, meetod projektitöö hindamiseks, kus tehakse üksikasjalik eekalkulatsioon igale töökomponendile (tööjõud ja materjalid) ja kuluarvestus igale erinevale kulule