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preventive conservation of strong urban

Catalá Fernando Moreno
Dr. Ingeniero de Caminos, Canales y Puertos
Former Director of the Department of Works and Infrastructure
Madrid City Council


It presents a methodology to quantify the financial resources necessary to replenish the loss of quality of urban firm, with the passage of time.

Elected a set of firm or the firm in a given area of ​​the city, which can be all of it, a sign that represents an error and a certain confidence level is chosen.

Are analyzed and, more importantly, the defects have all firm comprising the selected sample, the total population extrapolating the results obtained are quantized.

The methodology set also allows scheduling of preventive conservation precise choice of the city.

It ends by establishing a Quality Index firm, to analyze the quantized variation in the quality of firm over time. In this way you can establish a mechanism for measuring the quality with which the service of conservation of our firm is provided.


Firm, strong urban, Conservation, Preventive conservation, conservation Cost, Quality conservation, quality index.

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