Acquista:
La normativa ambientale è in continua evoluzione ed aggiornamento, con particolare riferimento alla gestione dei rifiuti. In tale contesto, la gestione delle “terre e rocce da scavo” occupa un aspetto molto rilevante, complesso e spesso controverso, ma di importanza fondamentale in un settore come quello delle Costruzioni che, più di ogni altro, può farne un’opportunità di miglioramento delle prestazioni ambientali dell’Opera da realizzare.
Management of excavated earth and rock Astaldi’s
experience
The present juridical framework of reference,
governing “excavated earth and rock”,
is substantially represented in Italy by the
Ministerial Decree on the Environment No.
161/2012 and by Law No. 98/2013, which
introduced and defined some important
concepts on such issue. The interministerial
decree is purportedly intended to improve
the use of natural resources and to prevent
the generation of wastes, determining the quantitative and qualitative requirements
to be met so that excavated material may
be classified as by-products rather than as
wastes.
The main novelties introduced concern the
extended definitions of works, thus including
infrastructure and excavation works,
the introduction of the “intermediate site”,
the provision concerning the presence of
extraneous materials (concrete, bentonite,
PVC, fibreglass, additives for mechanized
excavation, etc. ...), as well as the definition
of “common industrial practice”.
The Italian law 98/2013 governs the management
of excavated soil for construction
sites having excavated volumes of less than
6,000 cubic meters and, anyway, for all
cases which are governed by the Ministerial
Decree 161/2012.
Moreover, “self-certification” is introduced
in order to attest compliance with the four
requirements to be met.
In conclusion, the general juridical framework
provides for three alternatives for the
management of excavated earth and rock:
1)the re-use at the site;
2)the use as a by-product at a site other
than the production site
3)the recovery of the material as waste.
Excavated earth and rock represent an opportunity
rather than a problem.
Astaldi’s experience in the excavation works
for the construction of the subways of Milan
(Line 4), Warsaw (Line 2), Bucharest (Line 5).
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