Projektforslag - Naturstyrelsen

Faunapassage ved Stampemøllen i Ribe Side 2
Projektforslag Marts 2011
INDHOLDSFORTEGNELSE
1. BAGGRUND OG FORMÅL.............................................................................................4
1.1 GENERELT ...................................................................................................................4
1.2 OPRINDELIGT DISPOSITIONSFORSLAG ..........................................................................5
1.3 DESIGN AF STRYG........................................................................................................6
2. EKSISTERENDE FORHOLD..........................................................................................7
2.1 PROJEKTOMRÅDET.......................................................................................................7
2.2 EJERFORHOLD..............................................................................................................8
2.3 PLANBINDINGER ..........................................................................................................8
2.4 REGULATIVMÆSSIGE FORHOLD .................................................................................10
2.5 AFSTRØMNING OG VANDSTANDE...............................................................................15
2.5.1 Afstrømning..........................................................................................................15
2.5.2 Vandstandsforhold ...............................................................................................19
2.6 BIOLOGISKE FORHOLD...............................................................................................22
2.7 GEOTEKNISKE FORHOLD............................................................................................23
2.8 TEKNISKE ANLÆG, LEDNINGER OG DRÆN ..................................................................23
2.8.1 Ledningsanlæg .....................................................................................................24
2.8.2 Broer ....................................................................................................................25
2.8.3 Parallelle vejanlæg (Damvej) ..............................................................................27
2.8.4 Stampemøllen.......................................................................................................28
2.8.5 Spildevandspumpestation nedstrøms Stampemøllen ............................................29
2.8.6 Betonindfatninger opstrøms Stampemøllen..........................................................30
2.8.7 Private anlæg nær eller i det regulativmæssige vandløbsprofil...........................31
2.9 KULTURHISTORISKE FORHOLD ..................................................................................33
3. PROJEKTFORSLAG......................................................................................................35
3.1 DESIGNKRITERIER .....................................................................................................35
3.2 OPTIMAL FAUNAPASSAGE..........................................................................................36
3.3 FYSISKE BINDINGER FOR FAUNAPASSAGE I RIBE .......................................................38
3.4 DESIGN AF FAUNAPASSAGE .......................................................................................44
3.4.1 Den øvre del (station 850 – 963)..........................................................................44
3.4.2 Spuns/nordlige løb ...............................................................................................45
3.4.3 Sydligt løb ............................................................................................................46
3.4.4 Nedre del (st. 963 til 1225) ..................................................................................47
3.5 MATERIALEVALG OG UDFØRELSE..............................................................................47
3.6 AFVÆRGEFORANSTALTNINGER OG HENSYN TIL NÆRLIGGENDE ANLÆG ....................48
3.7 DRIFT OG VEDLIGEHOLD............................................................................................49
3.8 INDRETNING AF ARBEJDSPLADS OG FORHOLD UNDER ETABLERINGEN .......................50
4. KONSEKVENSVURDERINGER ..................................................................................52
4.1 TEKNISKE ANLÆG......................................................................................................52
4.2 HYDRAULISK KARAKTERISTIK...................................................................................52
4.2.1 Vandføring ...........................................................................................................52
4.2.2 Vandstand og vandhastighed ...............................................................................53
4.2.3 Bundbredde ..........................................................................................................60
C:\documents and settings\hjm\desktop\Projektforslag_4.doc