Alz Canal

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Alz Canal
Course map of the Alz Canal

Course map of the Alz Canal

Data
Water code DE : 18492, DE : 18682
location Bavaria
River system Danube
Drain over Salzach  → Inn
Branch to the left of the Alz at Trostberg -Schwarzau
48 ° 0 '56'  N , 12 ° 32 '36 "  O
Source height 487  m above sea level NHN
muzzle from left in the Salzach at Haiming -Neuhofen coordinates: 48 ° 11 '39 "  N , 12 ° 51' 46"  O 48 ° 11 '39 "  N , 12 ° 51' 46"  O
Mouth height approx.  347  m above sea level NHN
Height difference approx. 140 m
Bottom slope approx. 3.5 ‰
length together 39.8 km
Catchment area a total of 66.65 km² 
from the beginning of the canal, i.e. without the share of the Alz catchment area above that is attributable to the proportion of runoff
Alz Canal near Burghausen (B-20 bridge) towards Wacker Chemie AG during the 2016 renovation

Alz Canal near Burghausen ( B-20 bridge) towards Wacker Chemie AG during the 2016 renovation

Alz Canal near Burghausen (B-20 bridge) towards Burgkirchen during the renovation in 2016

Alz Canal near Burghausen (B-20 bridge) towards Burgkirchen during the renovation in 2016

The Alz Canal is a channel in the upper Bavarian counties Traunstein and Altötting , which three sections in the water of the Alz for power generation uses.

course

f1Georeferencing Map with all coordinates of the section History : OSM

The first section leads from Trostberg ( ⊙ ) to Tacherting ( ⊙ ). The Trostberg ( ⊙ ) and Wajon ( ⊙ ) run-of-river power plants are located here . At Tacherting, the first section of the Alz Canal joins the Alz from the left, the second section only begins about a kilometer downstream at a weir.

In this second section, the Alzwasser Canal leads from Tacherting ( ⊙ ) to Hirten . In the area of Unterneukirchen there is another hydropower plant behind a canal tunnel ( ⊙ ). At the Hirten weir, water is taken again from the Alz and added to the Alz Canal, which crosses the Alz in the form of a culvert . ( ⊙ ). From here the Alz Canal leads to the Salzach near Burghausen ( ⊙ ). In the Burghausen plant of Wacker Chemie AG , part of the canal water is used as cooling water and, after having passed the plant, falls through five pressure pipes into the Salzach Valley, 63 meters below, where it is used in the Alz works to generate energy ( ⊙ ).

history

The Trostberg – Tacherting section was built between 1908 and 1910, the Tacherting – Hirten section from 1913.

From 1916 the construction of the Alz Canal Hirten-Burghausen began, which caused inflation- related costs of 160 million marks until 1921 . The canal was commissioned on May 12, 1923. As early as 1924, the canal broke over a length of around 200 meters and was repaired immediately afterwards. Since 1938, the Alzwerke hydropower plant has been used exclusively for the adjacent industry.

Renovations

Refurbishment 2016

From August 29, 2016, the Alz Canal between Hirten and Burghausen was renovated over a length of 18 kilometers in eight weeks. To start was already on 26 August 2016 the water level lowered by more than 15 centimeters per hour and leerzufischen the Alz Canal with around 80 fishermen and thousands of fish ( river barbel , carp , grayling , whitefish and trout implement) in the Alz. Bicycles, firearms and safes were also fished out of the dry trapezoidal gutter. The last time the water was drained was in 1998. The water from the canal was diverted over the Alz during the entire construction period.

During the renovation, the walls were asphalted, whereby, among other special machines, a specially made asphalt machine from Switzerland and around 400 workers and specialists from several countries were used. The preliminary planning for the major project began in mid-2012 in order to upgrade the entire length of the eleven structures ( culverts , tunnels , power plants ). According to official information from Wacker Chemie AG, the major construction site devoured a "mid double-digit million amount". Refilling of the canal began on October 26th.

Individual evidence

  1. ^ Burghausen: Alz Canal renovation starts - office warns of boat trips. Burghauser Anzeiger from 23 August 2016
  2. ↑ 50 bikes, four safes, six weapons and much more in the Alz Canal. Burghauser Anzeiger from September 14, 2016
  3. ↑ Wacker Chemie AG - Alz Canal Rehabilitation 2016 - The Project (PDF)
  4. ↑ The Alz Canal is drained for weeks. innsalzach24.de from May 12, 2016

BayernAtlas ("BA")

  1. ↑ a b Height queried on the background layer Official map (right click).

Water directory Bavaria ("GV")

  1. ↑ Length added according to: Directory of stream and river areas in Bavaria - Inn river area of the Bavarian State Office for the Environment, as of 2016 (PDF; 2.8 MB) (pages 57 and 72)
  2. ↑ Catchment area added according to: List of brook and river areas in Bavaria - Inn river area of the Bavarian State Office for the Environment, as of 2016 (PDF; 2.8 MB) (pages 57 and 72)

literature

Web links

Commons : Alzkanal  - collection of images, videos and audio files