Archive for the ‘anti-seismic law’ category

Making a new opening in an existing supporting wall according the Italian earthquake law

July 14th, 2010

In a renovation project it often occurs that you’d like to create a new opening in an existing supporting wall. In England, the USA and most countries it’s mostly sufficient to put an architrave above the opening. This architrave can be in wood, steel, reinforced concrete, bricks or a combination of bricks and reinforced concrete.

In Italy however a new opening is much more complicated and a simple architrave isn’t enough. Only for a small opening of about 90 cm, an architrave can be used. Because Italy is a country with serious risks for earthquakes they have a very rigid earthquake law, the so called “legge antisismica”. Therefore it’s necessary to place a rigid frame around the opening. This frame can be in metal or reinforced concrete.

It’s obvious that for this type of intervention next to an architect also an engineer is necessary in order to project the structural part and to calculate the reinforced concrete beam or to determine the type and dimensions of the steel profiles.

Therefore the price for realizing a new opening in Italy is higher than in countries such as England and the USA

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House prices still going down

March 4th, 2010

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In time of crisis it’s hard to sell a property. On the other way it’s a good time to buy a property because the house prices are falling down. For Tuscany this is maybe the right moment to turn back to the reality and to more normal houseprices, available for everyone.

The owners of the following properties have decided to reduce the asking price

property at Massarosa (Lucca)

Asking price from 2.000.000 euro to 1.300.000 (price reduction of 35%)

more info on  http://www.livingintuscany.eu/39/huis.php?id=39

 

 

 

 

Property at Barberino di Mugello

Price from 800.000 euro to 700.000 (reduction of  12,5%)

more info on http://www.livingintuscany.eu/89/huis.php?id=89

 

 

 

 

Property at Rignano sull’Arno

Price from 970.000 euro to 880.000 euro (Reduction of 10%)

more info on http://www.livingintuscany.eu/123/huis.php?id=123

 

 

 

 

For more properties with price reduction have a look at the property list on http://www.livingintuscany.eu

 

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How to restore a wooden floor according Italian anti-seismic law

June 13th, 2009
Different from most countries not subject to earthquakes, the Italian law obliges engineers to use specific techniques to improve the main structures of buildings such as floors, foundations, roof, walls,….
In this first part we will explain how to restore an existing wooden floor.
A typically wooden floor in Tuscan style is composed of wooden beams and joists, “cotto” floor and ceiling tiles, bedding lime/mortar
The intervention required by the anti-seismic law is to reinforce the existing floor, substituting the bedding lime/mortar with a reinforced concrete slab, creating thus a rigid structure with the underneath wooden beams and the surrounding perimeter walls.
First of all the floor tiles and the underlying mortar/lime bedding need to be removed. In case some ceiling tiles are broken and joists have an excessive deformation these need to be replaced.
Second step is to realise a concrete slab of about 5cm above the ceiling tiles. The slab will be reinforced with an electro-welded mesh, connected to the surrounding perimeter walls and the underneath wooden beams by high tensile steel rods at predetermined intervals. This method is called the “metodo legno – calcestruzzo”.
The ultimate step is to replace the floor tiles.
The advantage of this method is the fact that a composite floor has been created with excellent static characteristics without any visible aesthetical damage.

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The difference between “geometra, architetto and ingegnere”

April 19th, 2009

With the start of a new renovation project my non Italian clients almost always ask me what is the exact role of the “geometra”? I must admit that there is a lot of misunderstanding about this term. The reason is that in most countries doesn’t exist such a profession as a “geometra”. Most clients think that a geometra can do almost everything, starting from the building permission, over the architectural project and finishing with the structural project. And in fact not so long ago this was almost true.
With the always more restricting “legge antisismica” (anti seismic law) the role of “geometra”, “architetto” and “ingegnere” has become more clear.
The role of the “geometra” mostly starts with the visit to the commune (local council) registry offices and the regional land registry offices (catasto) to obtain the necessary documents required prior to the sale or prior to the renovation works.
A “geometra” can also be asked to realise small renovation projects. In this case there’s no difference between “geometra” and “architetto”. The Italian law allows both to make the project.
However when for these small interventions a structural project is needed (for example realizing a new opening for an extra window) the signature of a civil engineer is necessary!
The fact is that in Italy with the “legge antisismica” (anti seismic law) the whole territory has become seismic and almost every renovation needs a structural project, the role of the civil engineer is very important.
In theory we could say that a “geometra” can take over the job of an architect in part but the “ingegnere” can take over the job of architect and “geometra”.
The reality is that for medium and big renovations and new building projects, the role of the “geometra” exists in the survey, the visit to the “commune” and the “catasto” and eventually the follow up of the work in progress.
The architect is responsible for the architectural project and the civil engineer is responsible for the structural project.
Other limits for the “geometra” is that he can’t be responsible for new building projects in reinforced concrete and that he can’t be responsible for the “collaudo” (approval of the structures when the building process is finished). This can only be approved by architect or engineer.
Also different to many other european countries but very important is that the “geometra”, “architetto” and “ingegnere” can only put their signature on the projects by them realised and thus take the responsibility for it after being registered in the “Albo o Ordine”. The registration can only after having passed the “esame di stato”, this is an examination after having finished the studies of geometra, architect or engineer.

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