holding graz services| andreas-hofer-platz 15, 8010 graz welcome to graz
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Holding Graz Services| Andreas-Hofer-Platz 15, 8010 Graz
Welcome to Graz
Facts about Graz- Graz is the second largest city in Austria- 127,56 km²- 17 districts
- 265.000 inhabitants (Jan. 2012) - 35.000 students- 70.000 commuters
Our company
With the establishment of the Holding Graz GmbH, the Group now unites all major municipal services under one roof and thus offers its customers one-stop service.
The new roof is supported by three strong main business fields:
Business Management/ShareholdingsPublic Transport/Energy Services (municipal)
Our potential for success lies in the core business:
- public urban transport with the Holding Graz Linien and- water management (drinking water and sanitation) - waste management - public space (street- & green space maintenance)- free time (public baths, recreation areas: Schöckl, Schloßberg, Hilmteich, Rosenhain)- funeral services, the market leader in Styria
Holding Graz Services
The business field Holding Graz Services comprises the divisions “water services” (drinking water supply and waste water disposal), “waste management” and “public space” (street & green space maintenance). Its remit extends to 1.320 kilometer water pipe network, 846 kilometer channel network, 950 km streets, paths and places, 2.350.000 m² park- and recreation areas as well as 34.000 properties and public garbage collections. We are the fourth largest water supply company in Austria. Our water supplied area is about 110 km².
Water procurement
Graz draws its water exclusively from the groundwater of the quaternary gravels in the River Mur Valley.
Graz has a water demand of about 19 million cubic meters per year. To be able to meet these requirements there are 3 waterwork facilities:
Friesach, about 12 km north of Graz Andritz Waterworks St. Ilgen, the central water supply called Hochschwab Süd
GmbH (ZWHS), 60 km north of Graz
For emergencies and accidents there are the waterworks of Feldkirchen as well as the water board Umland Graz available.
Storage of water
Storage capacity in 23 reservoirs: 36.000 m³
70 % of the average daily demand
High storage capacity in the underground
Groundwater management Regulation and management of the ground water fields by
artificial groundwater recharge
Main tasks of water services Maintenance Quality management Cut-and-cover line building
KEY FIGURES2010 2011
in T€ 24.450,9 24.679,3
m³ 18.338.434 18.968.250
m³ 7.262.071 7.975.712
m³ 5.702.686 5.637.566
m³ 80.827 44.222
m³ 5.292.850 5.310.750
m³ 0 0
m³ 15.998.584 16.699.725
km 855 864
km 465 472
Qty 22 22
m³ 36.047 35.804
m³ 50.242 51.968
m³ 63.393 65.106
units 29.714 29.966
Qty 30.524 30.997Customer installations
Meters
Maximum daily supply
Average daily supply
Supplied for use
Purchased from surroundig area
Hochschwab-Süd GmbH (ZWHS)
Bezug Zentral-Wasserversorgung
Supply and conveyor pipelines
Total storage volume
Elevated tanks
Connection pipes
Sales revenue
Output of Feldkirchen waterworks
Output of Andritz waterworks
Output of Friesach waterworks
Total procured
Total
maximum delivery 1985
Quality of drinking water
Degree of hardness 16°dH (2,8 mmol) Nitrate 5 – 10 mg/l Pesticide unverifiable
Own authorified water laboratory for water quality management
no preparation no desinfection no treatment
absolute natural
Holding Graz Services| Andreas-Hofer-Platz 15, 8010 Graz
Thank you for your kind attention!