From the “Green Station” to the “Blue Station”: the role of the renovation of railway stations in the ecological transition of cities. Calculation model and possible measures for mitigation and compensation of impacts.

City, Territory and Architecture

An interdisciplinary debate on project perspectives

Table 16 Evaluation of the (direct and indirect) hydric need of the Tiburtina station

Water consumption	Unit value		Quantity
Sanitation—employees	12,100.00	l/pc./year	6,479,550
Sanitation—passengers	21.43	l/pc	324,304,286
Food & beverage	0.24	l/pax	3,632,208
Cleaning—spaces open to the public	0.15	l/m²/day	2,529,226
Cleaning—spaces closed to the public	0.05	l/m²/day	266,718
Water consumption		l	337,211,988
Cleaning—detergents for crockery and cutlery	1.25	l/100 pax	189,178
Cleaning—detergents for people	0.50	l/100 pax	10,810
Cleaning—detergents for surfaces	1.00	l/ 500 m²	139,797
Detergents consumption		l	339,785
Equivalent water consumption		l	371,190,471
CO2 equivalent emissions per kWh	276.3	t/GWh	44,213.3
CO2 equivalent emissions per detergents production	5,000.0	t/Ml	1698.9
CO2 equivalent emissions		t/year	45,912.2