3 September 2013 · Delegated - M Kallyher, Director of Planning and Building Control
Laxey River Weir Opposite, New Fire Station, Mines Road, Laxey, Isle Of Man, IM4 7nj
The proposal involves repairing a 14x9 metre eroded section of the Laxey River bed below the weir apron by levelling the scour hole and placing interlocking boulders of two sizes behind an existing concrete beam, adjoining the previously repaired area.
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The officer considered the main issues to be implications on the main river, flood risk, and impacts on the Conservation Area.
Policy L/HR/P2/3 of the Local Plan
Requires no development adversely affecting river appearance, quality or wildlife, with consultation on water integrity and surface water disposal. Officer assessed the boulder reconstruction preserves river appearance using natural materials matching existing bed, with neutral visual impact and improved flow reducing erosion risks.
General Policy 2
Permits development respecting site/surroundings in siting/scale/design, no adverse effects on landscape/townscape, habitats/water courses, amenity, flooding or erosion. Officer found proposal respects surroundings, neutral visual impact, improves river integrity, no adverse effects on flood risk or locality.
Environment Policy 10
Requires flood risk assessment and mitigation where potential flooding risk. Site in 100-year flood zone; officer noted modelling confirms reduced erosion/flooding risks via improved flow and boulder armouring.
Environment Policy 35
Permits only development preserving/enhancing Conservation Area character. Officer judged no adverse impact due to low visibility and natural boulder appearance matching river bed.
Planning Policy Statement 1/01 - Policy CA/2 (Conservation Areas)
Requires consideration of impact on Conservation Area character/setting/views. Officer assessed works not readily visible, natural methodology preserves character.
Time limit
The development hereby permitted shall commence before the expiration of four years from the date of this notice.
Approved plans
This approval for the re-construction of eroded river bed relates to the following information, date stamped 31st July 2013: Drawing No. 2013s7105-002 Sheet 1 of 1 entitled Proposed Layout; Drawing No. 2013s7105-003 Sheet 1 of 1 entitled Wall Repair and Rock Armour Details; Drawing No. NDC/2939 105 entitled Apron Extension Construction.
no objections to the planning application; recommends approval
