CRV: index of the transformation of the forestry sector

Categoria: Amazonia

Publicado em: 15/03/2018

The Volumetric Yield Coefficient, known as CRV, is the raw material utilization index. In the forest-based sector, the CRV represents the utilization index in the process of transformation of the wood into logs in sawn wood, being determined by the relation between the volume of the log processed and the obtained volume of duly sawn wood.
Regulated by Resolution number 474/2016, of the National Environment Council (Conama), the previously 45% index was reduced to 35%, which according to sector members does not match the productive reality and increases the production of waste. Amendment in the resolution was adopted in February this year.
Aiming to heal disagreements over the index, it was proposed that companies conduct Volumetric Yield Studies, which will be delivered to the environmental agency, showing how much it can produce. With the study, the environmental agency conducts the analysis and an inspection at the company to determine if the proposed index is real. If the study is complied with, the proposed index is maintained and if it is refused, the company operates at the rate of 35%. The amendment also provides that after the study is approved in a previous analysis the company can operate at the rate of 45% until the survey is made and issued final opinion.
Volumetric Yield Study
The Volumetric Yield Studies can be implemented by any company that has in its activity the unfolding of the wood. It can be done by group of species or individual by species. As for the number of logs, the recommended number is at least five of each species in the case of group analysis. In the case of individual analysis, the recommended minimum is ten logs.
Uniconsult, an environmental consultancy group of the Unifloresta group, works with forestry and environmental engineering professionals to carry out these studies and is available to solve any doubts. Contact us!

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