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Reclamation of the Mappo – Morettina tunnel ventilation system

Reclamation of the Mappo – Morettina tunnel ventilation system

Reclamation of the Mappo – Morettina tunnel ventilation system 

Our company has been involved in the reclamation and bringing up to standard of the ventilation system and the safety elements. We supplied and installed tanks for the coolant of the new fans, fire doors and security doors as well as some secondary elements. 

 

Security doors

Based on the experience obtained in various projects, we decided to develop a our own product that satisfies the current regulations on safety in tunnels.

In this case, we had to adapt some doors to some pre-existing openings. Therefore the doors had to satisfy very special executive conditions as the side of the mechanisms that exceptionally are housed to the "traffic" side.

Although it was a special execution and a new product, the result, after some corrections and improvements, has been satisfying.

Particularly interesting is the fire and EI230-SmC1 smoke resistance, experimentally verified during the tests carried out in accordance with regulations EN 1634-1: 2009, EN 1634-3: 2005, EN 1191: 2013.

Porte di sicurezza Mappo-Morettina

Fire doors

The single or double-leaf fire doors have been designed to delimit the areas of flow and outflow of air, thus having different operating pressures and a 30 minutes fire resistance. 

Tanks

The stainless steel tanks are composed of upper and lower structure made of stiffened  flat metal sheet and equipped with reinforcement framework which is the supporting structure and gives to the roof the necessary structural stability.

The walls are made of fretted metal sheet.

The elements were dimensioned and designed, then built in the workshop and assembled by welding directly on site. 

Serbatoi Mappo-Morettina

Serbatoi Mappo-Morettina

Client: Dipartimento del territorio

Engineering firm: 

ECSAN Consortium, ElettroconsulenzeSolcà SA, Anastasi SA Engineering firm

Works supervisor

ECSAN Consortium, ElettroconsulenzeSolcà SA, Anastasi SA Engineering firm

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