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• building description;
• operation description;
• building application drawings, including heat-
ing and energy calculation;
• sewage drawings and calculation;
• fire safety concept;
• site security.
In particular, German Renewable Energies Heat Act
(EEWärmeG) was considered for the design of the
building envelope, the chiller typology and the warm
water production. The regulation, in fact, stipulates
that owners of new buildings must cover a certain
quota of their heat supply with renewable energies.

Landesbauordnung and Static Proof
The building was designed and realised completely
with reinforced concrete (cast in situ). It’s a com-
mon design solution rather than prefabricated ele-
ments for such kind of application and it gives a
Fig. 3 - Quality Control room certain flexibility for the plant penetration through
with Pure Water sink the different building levels without needs of addi-
tional reinforcement.
Wirth-Kramer. The structural design, up to the issue for construc-
The permit package consists mainly of drawings tion was done by Amec Foster Wheeler in partner-
and documents with the specific purpose to co- ship with the local Architect studio.
ver all the planning and construction aspects of the The authorisation to erect every single structural
project such as: item is also subject to the release of the correspon-
• unit plot plan; dent Static Proof Report (Prüfbericht) by the Proof
• official application forms; Engineer. Through this report the Proof Engineer
• building areas and raw & net volumes with certifies the conformity with the static design re-
cost estimates; flected in the static calculations and in the related
shop drawings.
The Proof Engineer is
an independent consult-
ing company selected
and contracted by the
local authority to carry
out the review of the
static design of every
structural item. In this
respect also the steel
structures for the acces-
sibility and maintenance
for equipment as well
as structural support-
ing of piping might be
subject of his review.
Once the review is sat-
isfactorily completed,
the Proof Engineer puts
the stamp of certification
(geprüft), onto the static
calculations (Statische
Berechnung) and shop
drawings (Ausführung
Zeichnungen).
During the site construc-
tion the site legal respon-
Fig. 4 - Technical Area with AHU (Air Handling Unit) installation sibility is belonging to the

Impiantistica Italiana - Maggio - Giugno 2018 61